author | Simon Sapin <simon.sapin@octobus.net> |
Fri, 07 Jan 2022 14:40:21 +0100 | |
changeset 48546 | e91aa800ae5b |
parent 48543 | 0a4ac916673e |
child 49092 | d200ecb76c72 |
permissions | -rw-r--r-- |
46033
88e741bf2d93
rust: use NodePrefix::from_hex instead of hex::decode directly
Simon Sapin <simon-commits@exyr.org>
parents:
45602
diff
changeset
|
1 |
use std::convert::TryInto; |
45601
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
2 |
use std::ops::Deref; |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
3 |
|
45531
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45526
diff
changeset
|
4 |
use byteorder::{BigEndian, ByteOrder}; |
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45526
diff
changeset
|
5 |
|
46443
43d63979a75e
rust: use HgError in RevlogError and Vfs
Simon Sapin <simon.sapin@octobus.net>
parents:
46090
diff
changeset
|
6 |
use crate::errors::HgError; |
46033
88e741bf2d93
rust: use NodePrefix::from_hex instead of hex::decode directly
Simon Sapin <simon-commits@exyr.org>
parents:
45602
diff
changeset
|
7 |
use crate::revlog::node::Node; |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
8 |
use crate::revlog::{Revision, NULL_REVISION}; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
9 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
10 |
pub const INDEX_ENTRY_SIZE: usize = 64; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
11 |
|
48457
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
12 |
pub struct IndexHeader { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
13 |
header_bytes: [u8; 4], |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
14 |
} |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
15 |
|
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
16 |
#[derive(Copy, Clone)] |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
17 |
pub struct IndexHeaderFlags { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
18 |
flags: u16, |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
19 |
} |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
20 |
|
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
21 |
/// Corresponds to the high bits of `_format_flags` in python |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
22 |
impl IndexHeaderFlags { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
23 |
/// Corresponds to FLAG_INLINE_DATA in python |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
24 |
pub fn is_inline(self) -> bool { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
25 |
return self.flags & 1 != 0; |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
26 |
} |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
27 |
/// Corresponds to FLAG_GENERALDELTA in python |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
28 |
pub fn uses_generaldelta(self) -> bool { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
29 |
return self.flags & 2 != 0; |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
30 |
} |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
31 |
} |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
32 |
|
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
33 |
/// Corresponds to the INDEX_HEADER structure, |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
34 |
/// which is parsed as a `header` variable in `_loadindex` in `revlog.py` |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
35 |
impl IndexHeader { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
36 |
fn format_flags(&self) -> IndexHeaderFlags { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
37 |
// No "unknown flags" check here, unlike in python. Maybe there should |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
38 |
// be. |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
39 |
return IndexHeaderFlags { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
40 |
flags: BigEndian::read_u16(&self.header_bytes[0..2]), |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
41 |
}; |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
42 |
} |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
43 |
|
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
44 |
/// The only revlog version currently supported by rhg. |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
45 |
const REVLOGV1: u16 = 1; |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
46 |
|
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
47 |
/// Corresponds to `_format_version` in Python. |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
48 |
fn format_version(&self) -> u16 { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
49 |
return BigEndian::read_u16(&self.header_bytes[2..4]); |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
50 |
} |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
51 |
|
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
52 |
const EMPTY_INDEX_HEADER: IndexHeader = IndexHeader { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
53 |
// We treat an empty file as a valid index with no entries. |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
54 |
// Here we make an arbitrary choice of what we assume the format of the |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
55 |
// index to be (V1, using generaldelta). |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
56 |
// This doesn't matter too much, since we're only doing read-only |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
57 |
// access. but the value corresponds to the `new_header` variable in |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
58 |
// `revlog.py`, `_loadindex` |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
59 |
header_bytes: [0, 3, 0, 1], |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
60 |
}; |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
61 |
|
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
62 |
fn parse(index_bytes: &[u8]) -> Result<IndexHeader, HgError> { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
63 |
if index_bytes.len() == 0 { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
64 |
return Ok(IndexHeader::EMPTY_INDEX_HEADER); |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
65 |
} |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
66 |
if index_bytes.len() < 4 { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
67 |
return Err(HgError::corrupted( |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
68 |
"corrupted revlog: can't read the index format header", |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
69 |
)); |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
70 |
} |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
71 |
return Ok(IndexHeader { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
72 |
header_bytes: { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
73 |
let bytes: [u8; 4] = |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
74 |
index_bytes[0..4].try_into().expect("impossible"); |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
75 |
bytes |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
76 |
}, |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
77 |
}); |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
78 |
} |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
79 |
} |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
80 |
|
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
81 |
/// A Revlog index |
45601
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
82 |
pub struct Index { |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
83 |
bytes: Box<dyn Deref<Target = [u8]> + Send>, |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
84 |
/// Offsets of starts of index blocks. |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
85 |
/// Only needed when the index is interleaved with data. |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
86 |
offsets: Option<Vec<usize>>, |
48458
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
87 |
uses_generaldelta: bool, |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
88 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
89 |
|
45601
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
90 |
impl Index { |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
91 |
/// Create an index from bytes. |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
92 |
/// Calculate the start of each entry when is_inline is true. |
45602
1cef583541c0
hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents:
45601
diff
changeset
|
93 |
pub fn new( |
1cef583541c0
hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents:
45601
diff
changeset
|
94 |
bytes: Box<dyn Deref<Target = [u8]> + Send>, |
47963
001d747c2baf
rust: Return HgError instead of RevlogError in revlog constructors
Simon Sapin <simon.sapin@octobus.net>
parents:
46887
diff
changeset
|
95 |
) -> Result<Self, HgError> { |
48457
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
96 |
let header = IndexHeader::parse(bytes.as_ref())?; |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
97 |
|
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
98 |
if header.format_version() != IndexHeader::REVLOGV1 { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
99 |
// A proper new version should have had a repo/store |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
100 |
// requirement. |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
101 |
return Err(HgError::corrupted("unsupported revlog version")); |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
102 |
} |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
103 |
|
48458
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
104 |
// This is only correct because we know version is REVLOGV1. |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
105 |
// In v2 we always use generaldelta, while in v0 we never use |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
106 |
// generaldelta. Similar for [is_inline] (it's only used in v1). |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
107 |
let uses_generaldelta = header.format_flags().uses_generaldelta(); |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
108 |
|
48457
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
109 |
if header.format_flags().is_inline() { |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
110 |
let mut offset: usize = 0; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
111 |
let mut offsets = Vec::new(); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
112 |
|
45590
11f3c3f408fd
hg-core: minor code style change (D8958#inline-14993 followup)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45536
diff
changeset
|
113 |
while offset + INDEX_ENTRY_SIZE <= bytes.len() { |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
114 |
offsets.push(offset); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
115 |
let end = offset + INDEX_ENTRY_SIZE; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
116 |
let entry = IndexEntry { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
117 |
bytes: &bytes[offset..end], |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
118 |
offset_override: None, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
119 |
}; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
120 |
|
48543
0a4ac916673e
rhg: RevlogEntry::uncompressed_len is signed
Simon Sapin <simon.sapin@octobus.net>
parents:
48458
diff
changeset
|
121 |
offset += INDEX_ENTRY_SIZE + entry.compressed_len() as usize; |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
122 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
123 |
|
45602
1cef583541c0
hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents:
45601
diff
changeset
|
124 |
if offset == bytes.len() { |
1cef583541c0
hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents:
45601
diff
changeset
|
125 |
Ok(Self { |
1cef583541c0
hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents:
45601
diff
changeset
|
126 |
bytes, |
1cef583541c0
hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents:
45601
diff
changeset
|
127 |
offsets: Some(offsets), |
48458
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
128 |
uses_generaldelta, |
45602
1cef583541c0
hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents:
45601
diff
changeset
|
129 |
}) |
1cef583541c0
hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents:
45601
diff
changeset
|
130 |
} else { |
46443
43d63979a75e
rust: use HgError in RevlogError and Vfs
Simon Sapin <simon.sapin@octobus.net>
parents:
46090
diff
changeset
|
131 |
Err(HgError::corrupted("unexpected inline revlog length") |
43d63979a75e
rust: use HgError in RevlogError and Vfs
Simon Sapin <simon.sapin@octobus.net>
parents:
46090
diff
changeset
|
132 |
.into()) |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
133 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
134 |
} else { |
45602
1cef583541c0
hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents:
45601
diff
changeset
|
135 |
Ok(Self { |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
136 |
bytes, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
137 |
offsets: None, |
48458
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
138 |
uses_generaldelta, |
45602
1cef583541c0
hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents:
45601
diff
changeset
|
139 |
}) |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
140 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
141 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
142 |
|
48458
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
143 |
pub fn uses_generaldelta(&self) -> bool { |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
144 |
self.uses_generaldelta |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
145 |
} |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
146 |
|
45601
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
147 |
/// Value of the inline flag. |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
148 |
pub fn is_inline(&self) -> bool { |
48226
5e77bdc29d56
rhg: do not try to open a nodemap for an inline index
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48198
diff
changeset
|
149 |
self.offsets.is_some() |
45601
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
150 |
} |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
151 |
|
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
152 |
/// Return a slice of bytes if `revlog` is inline. Panic if not. |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
153 |
pub fn data(&self, start: usize, end: usize) -> &[u8] { |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
154 |
if !self.is_inline() { |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
155 |
panic!("tried to access data in the index of a revlog that is not inline"); |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
156 |
} |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
157 |
&self.bytes[start..end] |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
158 |
} |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
159 |
|
45536
639f33f22faf
hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45531
diff
changeset
|
160 |
/// Return number of entries of the revlog index. |
639f33f22faf
hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45531
diff
changeset
|
161 |
pub fn len(&self) -> usize { |
639f33f22faf
hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45531
diff
changeset
|
162 |
if let Some(offsets) = &self.offsets { |
639f33f22faf
hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45531
diff
changeset
|
163 |
offsets.len() |
639f33f22faf
hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45531
diff
changeset
|
164 |
} else { |
639f33f22faf
hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45531
diff
changeset
|
165 |
self.bytes.len() / INDEX_ENTRY_SIZE |
639f33f22faf
hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45531
diff
changeset
|
166 |
} |
639f33f22faf
hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45531
diff
changeset
|
167 |
} |
639f33f22faf
hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45531
diff
changeset
|
168 |
|
639f33f22faf
hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45531
diff
changeset
|
169 |
/// Returns `true` if the `Index` has zero `entries`. |
639f33f22faf
hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45531
diff
changeset
|
170 |
pub fn is_empty(&self) -> bool { |
639f33f22faf
hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45531
diff
changeset
|
171 |
self.len() == 0 |
639f33f22faf
hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45531
diff
changeset
|
172 |
} |
639f33f22faf
hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45531
diff
changeset
|
173 |
|
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
174 |
/// Return the index entry corresponding to the given revision if it |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
175 |
/// exists. |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
176 |
pub fn get_entry(&self, rev: Revision) -> Option<IndexEntry> { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
177 |
if rev == NULL_REVISION { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
178 |
return None; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
179 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
180 |
if let Some(offsets) = &self.offsets { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
181 |
self.get_entry_inline(rev, offsets) |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
182 |
} else { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
183 |
self.get_entry_separated(rev) |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
184 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
185 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
186 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
187 |
fn get_entry_inline( |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
188 |
&self, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
189 |
rev: Revision, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
190 |
offsets: &[usize], |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
191 |
) -> Option<IndexEntry> { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
192 |
let start = *offsets.get(rev as usize)?; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
193 |
let end = start.checked_add(INDEX_ENTRY_SIZE)?; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
194 |
let bytes = &self.bytes[start..end]; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
195 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
196 |
// See IndexEntry for an explanation of this override. |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
197 |
let offset_override = Some(end); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
198 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
199 |
Some(IndexEntry { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
200 |
bytes, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
201 |
offset_override, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
202 |
}) |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
203 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
204 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
205 |
fn get_entry_separated(&self, rev: Revision) -> Option<IndexEntry> { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
206 |
let max_rev = self.bytes.len() / INDEX_ENTRY_SIZE; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
207 |
if rev as usize >= max_rev { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
208 |
return None; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
209 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
210 |
let start = rev as usize * INDEX_ENTRY_SIZE; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
211 |
let end = start + INDEX_ENTRY_SIZE; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
212 |
let bytes = &self.bytes[start..end]; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
213 |
|
45591
f38adf8b0711
hg-core: Explain offset override of first revision
Antoine cezar<acezar@chwitlabs.fr>
parents:
45590
diff
changeset
|
214 |
// Override the offset of the first revision as its bytes are used |
f38adf8b0711
hg-core: Explain offset override of first revision
Antoine cezar<acezar@chwitlabs.fr>
parents:
45590
diff
changeset
|
215 |
// for the index's metadata (saving space because it is always 0) |
45592
a886ffd2ffc6
hg-core: minor code style change (D8958#inline-14986 followup)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45591
diff
changeset
|
216 |
let offset_override = if rev == 0 { Some(0) } else { None }; |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
217 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
218 |
Some(IndexEntry { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
219 |
bytes, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
220 |
offset_override, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
221 |
}) |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
222 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
223 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
224 |
|
46090
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46033
diff
changeset
|
225 |
impl super::RevlogIndex for Index { |
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46033
diff
changeset
|
226 |
fn len(&self) -> usize { |
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46033
diff
changeset
|
227 |
self.len() |
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46033
diff
changeset
|
228 |
} |
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46033
diff
changeset
|
229 |
|
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46033
diff
changeset
|
230 |
fn node(&self, rev: Revision) -> Option<&Node> { |
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46033
diff
changeset
|
231 |
self.get_entry(rev).map(|entry| entry.hash()) |
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46033
diff
changeset
|
232 |
} |
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46033
diff
changeset
|
233 |
} |
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46033
diff
changeset
|
234 |
|
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
235 |
#[derive(Debug)] |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
236 |
pub struct IndexEntry<'a> { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
237 |
bytes: &'a [u8], |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
238 |
/// Allows to override the offset value of the entry. |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
239 |
/// |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
240 |
/// For interleaved index and data, the offset stored in the index |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
241 |
/// corresponds to the separated data offset. |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
242 |
/// It has to be overridden with the actual offset in the interleaved |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
243 |
/// index which is just after the index block. |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
244 |
/// |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
245 |
/// For separated index and data, the offset stored in the first index |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
246 |
/// entry is mixed with the index headers. |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
247 |
/// It has to be overridden with 0. |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
248 |
offset_override: Option<usize>, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
249 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
250 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
251 |
impl<'a> IndexEntry<'a> { |
45593
da30e4b553c3
hg-core: minor docstring update (D8958#inline-14991 followup)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45592
diff
changeset
|
252 |
/// Return the offset of the data. |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
253 |
pub fn offset(&self) -> usize { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
254 |
if let Some(offset_override) = self.offset_override { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
255 |
offset_override |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
256 |
} else { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
257 |
let mut bytes = [0; 8]; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
258 |
bytes[2..8].copy_from_slice(&self.bytes[0..=5]); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
259 |
BigEndian::read_u64(&bytes[..]) as usize |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
260 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
261 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
262 |
|
48546
e91aa800ae5b
rhg: desambiguate status without decompressing filelog if possible
Simon Sapin <simon.sapin@octobus.net>
parents:
48543
diff
changeset
|
263 |
pub fn flags(&self) -> u16 { |
e91aa800ae5b
rhg: desambiguate status without decompressing filelog if possible
Simon Sapin <simon.sapin@octobus.net>
parents:
48543
diff
changeset
|
264 |
BigEndian::read_u16(&self.bytes[6..=7]) |
e91aa800ae5b
rhg: desambiguate status without decompressing filelog if possible
Simon Sapin <simon.sapin@octobus.net>
parents:
48543
diff
changeset
|
265 |
} |
e91aa800ae5b
rhg: desambiguate status without decompressing filelog if possible
Simon Sapin <simon.sapin@octobus.net>
parents:
48543
diff
changeset
|
266 |
|
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
267 |
/// Return the compressed length of the data. |
48543
0a4ac916673e
rhg: RevlogEntry::uncompressed_len is signed
Simon Sapin <simon.sapin@octobus.net>
parents:
48458
diff
changeset
|
268 |
pub fn compressed_len(&self) -> u32 { |
0a4ac916673e
rhg: RevlogEntry::uncompressed_len is signed
Simon Sapin <simon.sapin@octobus.net>
parents:
48458
diff
changeset
|
269 |
BigEndian::read_u32(&self.bytes[8..=11]) |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
270 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
271 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
272 |
/// Return the uncompressed length of the data. |
48543
0a4ac916673e
rhg: RevlogEntry::uncompressed_len is signed
Simon Sapin <simon.sapin@octobus.net>
parents:
48458
diff
changeset
|
273 |
pub fn uncompressed_len(&self) -> i32 { |
0a4ac916673e
rhg: RevlogEntry::uncompressed_len is signed
Simon Sapin <simon.sapin@octobus.net>
parents:
48458
diff
changeset
|
274 |
BigEndian::read_i32(&self.bytes[12..=15]) |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
275 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
276 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
277 |
/// Return the revision upon which the data has been derived. |
48458
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
278 |
pub fn base_revision_or_base_of_delta_chain(&self) -> Revision { |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
279 |
// TODO Maybe return an Option when base_revision == rev? |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
280 |
// Requires to add rev to IndexEntry |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
281 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
282 |
BigEndian::read_i32(&self.bytes[16..]) |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
283 |
} |
45531
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45526
diff
changeset
|
284 |
|
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45526
diff
changeset
|
285 |
pub fn p1(&self) -> Revision { |
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45526
diff
changeset
|
286 |
BigEndian::read_i32(&self.bytes[24..]) |
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45526
diff
changeset
|
287 |
} |
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45526
diff
changeset
|
288 |
|
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45526
diff
changeset
|
289 |
pub fn p2(&self) -> Revision { |
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45526
diff
changeset
|
290 |
BigEndian::read_i32(&self.bytes[28..]) |
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45526
diff
changeset
|
291 |
} |
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45526
diff
changeset
|
292 |
|
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45526
diff
changeset
|
293 |
/// Return the hash of revision's full text. |
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45526
diff
changeset
|
294 |
/// |
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45526
diff
changeset
|
295 |
/// Currently, SHA-1 is used and only the first 20 bytes of this field |
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45526
diff
changeset
|
296 |
/// are used. |
46090
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46033
diff
changeset
|
297 |
pub fn hash(&self) -> &'a Node { |
46033
88e741bf2d93
rust: use NodePrefix::from_hex instead of hex::decode directly
Simon Sapin <simon-commits@exyr.org>
parents:
45602
diff
changeset
|
298 |
(&self.bytes[32..52]).try_into().unwrap() |
45531
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45526
diff
changeset
|
299 |
} |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
300 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
301 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
302 |
#[cfg(test)] |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
303 |
mod tests { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
304 |
use super::*; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
305 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
306 |
#[cfg(test)] |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
307 |
#[derive(Debug, Copy, Clone)] |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
308 |
pub struct IndexEntryBuilder { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
309 |
is_first: bool, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
310 |
is_inline: bool, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
311 |
is_general_delta: bool, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
312 |
version: u16, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
313 |
offset: usize, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
314 |
compressed_len: usize, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
315 |
uncompressed_len: usize, |
48458
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
316 |
base_revision_or_base_of_delta_chain: Revision, |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
317 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
318 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
319 |
#[cfg(test)] |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
320 |
impl IndexEntryBuilder { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
321 |
pub fn new() -> Self { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
322 |
Self { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
323 |
is_first: false, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
324 |
is_inline: false, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
325 |
is_general_delta: true, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
326 |
version: 2, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
327 |
offset: 0, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
328 |
compressed_len: 0, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
329 |
uncompressed_len: 0, |
48458
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
330 |
base_revision_or_base_of_delta_chain: 0, |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
331 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
332 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
333 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
334 |
pub fn is_first(&mut self, value: bool) -> &mut Self { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
335 |
self.is_first = value; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
336 |
self |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
337 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
338 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
339 |
pub fn with_inline(&mut self, value: bool) -> &mut Self { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
340 |
self.is_inline = value; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
341 |
self |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
342 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
343 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
344 |
pub fn with_general_delta(&mut self, value: bool) -> &mut Self { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
345 |
self.is_general_delta = value; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
346 |
self |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
347 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
348 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
349 |
pub fn with_version(&mut self, value: u16) -> &mut Self { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
350 |
self.version = value; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
351 |
self |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
352 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
353 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
354 |
pub fn with_offset(&mut self, value: usize) -> &mut Self { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
355 |
self.offset = value; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
356 |
self |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
357 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
358 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
359 |
pub fn with_compressed_len(&mut self, value: usize) -> &mut Self { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
360 |
self.compressed_len = value; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
361 |
self |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
362 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
363 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
364 |
pub fn with_uncompressed_len(&mut self, value: usize) -> &mut Self { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
365 |
self.uncompressed_len = value; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
366 |
self |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
367 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
368 |
|
48458
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
369 |
pub fn with_base_revision_or_base_of_delta_chain( |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
370 |
&mut self, |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
371 |
value: Revision, |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
372 |
) -> &mut Self { |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
373 |
self.base_revision_or_base_of_delta_chain = value; |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
374 |
self |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
375 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
376 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
377 |
pub fn build(&self) -> Vec<u8> { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
378 |
let mut bytes = Vec::with_capacity(INDEX_ENTRY_SIZE); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
379 |
if self.is_first { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
380 |
bytes.extend(&match (self.is_general_delta, self.is_inline) { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
381 |
(false, false) => [0u8, 0], |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
382 |
(false, true) => [0u8, 1], |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
383 |
(true, false) => [0u8, 2], |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
384 |
(true, true) => [0u8, 3], |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
385 |
}); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
386 |
bytes.extend(&self.version.to_be_bytes()); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
387 |
// Remaining offset bytes. |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
388 |
bytes.extend(&[0u8; 2]); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
389 |
} else { |
46887
6d5a26e94d9e
unit-tests: Fix `cargo test` on 32-bit platforms
Simon Sapin <simon.sapin@octobus.net>
parents:
46443
diff
changeset
|
390 |
// Offset stored on 48 bits (6 bytes) |
6d5a26e94d9e
unit-tests: Fix `cargo test` on 32-bit platforms
Simon Sapin <simon.sapin@octobus.net>
parents:
46443
diff
changeset
|
391 |
bytes.extend(&(self.offset as u64).to_be_bytes()[2..]); |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
392 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
393 |
bytes.extend(&[0u8; 2]); // Revision flags. |
46887
6d5a26e94d9e
unit-tests: Fix `cargo test` on 32-bit platforms
Simon Sapin <simon.sapin@octobus.net>
parents:
46443
diff
changeset
|
394 |
bytes.extend(&(self.compressed_len as u32).to_be_bytes()); |
6d5a26e94d9e
unit-tests: Fix `cargo test` on 32-bit platforms
Simon Sapin <simon.sapin@octobus.net>
parents:
46443
diff
changeset
|
395 |
bytes.extend(&(self.uncompressed_len as u32).to_be_bytes()); |
48458
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
396 |
bytes.extend( |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
397 |
&self.base_revision_or_base_of_delta_chain.to_be_bytes(), |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
398 |
); |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
399 |
bytes |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
400 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
401 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
402 |
|
48457
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
403 |
pub fn is_inline(index_bytes: &[u8]) -> bool { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
404 |
IndexHeader::parse(index_bytes) |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
405 |
.expect("too short") |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
406 |
.format_flags() |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
407 |
.is_inline() |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
408 |
} |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
409 |
|
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
410 |
pub fn uses_generaldelta(index_bytes: &[u8]) -> bool { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
411 |
IndexHeader::parse(index_bytes) |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
412 |
.expect("too short") |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
413 |
.format_flags() |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
414 |
.uses_generaldelta() |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
415 |
} |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
416 |
|
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
417 |
pub fn get_version(index_bytes: &[u8]) -> u16 { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
418 |
IndexHeader::parse(index_bytes) |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
419 |
.expect("too short") |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
420 |
.format_version() |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
421 |
} |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
422 |
|
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
423 |
#[test] |
48457
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
424 |
fn flags_when_no_inline_flag_test() { |
45601
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
425 |
let bytes = IndexEntryBuilder::new() |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
426 |
.is_first(true) |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
427 |
.with_general_delta(false) |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
428 |
.with_inline(false) |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
429 |
.build(); |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
430 |
|
48457
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
431 |
assert_eq!(is_inline(&bytes), false); |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
432 |
assert_eq!(uses_generaldelta(&bytes), false); |
45601
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
433 |
} |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
434 |
|
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
435 |
#[test] |
48457
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
436 |
fn flags_when_inline_flag_test() { |
45601
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
437 |
let bytes = IndexEntryBuilder::new() |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
438 |
.is_first(true) |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
439 |
.with_general_delta(false) |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
440 |
.with_inline(true) |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
441 |
.build(); |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
442 |
|
48457
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
443 |
assert_eq!(is_inline(&bytes), true); |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
444 |
assert_eq!(uses_generaldelta(&bytes), false); |
45601
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
445 |
} |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
446 |
|
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
447 |
#[test] |
48457
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
448 |
fn flags_when_inline_and_generaldelta_flags_test() { |
45601
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
449 |
let bytes = IndexEntryBuilder::new() |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
450 |
.is_first(true) |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
451 |
.with_general_delta(true) |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
452 |
.with_inline(true) |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
453 |
.build(); |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
454 |
|
48457
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
455 |
assert_eq!(is_inline(&bytes), true); |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
456 |
assert_eq!(uses_generaldelta(&bytes), true); |
45601
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
457 |
} |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
458 |
|
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
459 |
#[test] |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
460 |
fn test_offset() { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
461 |
let bytes = IndexEntryBuilder::new().with_offset(1).build(); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
462 |
let entry = IndexEntry { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
463 |
bytes: &bytes, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
464 |
offset_override: None, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
465 |
}; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
466 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
467 |
assert_eq!(entry.offset(), 1) |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
468 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
469 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
470 |
#[test] |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
471 |
fn test_with_overridden_offset() { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
472 |
let bytes = IndexEntryBuilder::new().with_offset(1).build(); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
473 |
let entry = IndexEntry { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
474 |
bytes: &bytes, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
475 |
offset_override: Some(2), |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
476 |
}; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
477 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
478 |
assert_eq!(entry.offset(), 2) |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
479 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
480 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
481 |
#[test] |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
482 |
fn test_compressed_len() { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
483 |
let bytes = IndexEntryBuilder::new().with_compressed_len(1).build(); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
484 |
let entry = IndexEntry { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
485 |
bytes: &bytes, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
486 |
offset_override: None, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
487 |
}; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
488 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
489 |
assert_eq!(entry.compressed_len(), 1) |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
490 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
491 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
492 |
#[test] |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
493 |
fn test_uncompressed_len() { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
494 |
let bytes = IndexEntryBuilder::new().with_uncompressed_len(1).build(); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
495 |
let entry = IndexEntry { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
496 |
bytes: &bytes, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
497 |
offset_override: None, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
498 |
}; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
499 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
500 |
assert_eq!(entry.uncompressed_len(), 1) |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
501 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
502 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
503 |
#[test] |
48458
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
504 |
fn test_base_revision_or_base_of_delta_chain() { |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
505 |
let bytes = IndexEntryBuilder::new() |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
506 |
.with_base_revision_or_base_of_delta_chain(1) |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
507 |
.build(); |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
508 |
let entry = IndexEntry { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
509 |
bytes: &bytes, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
510 |
offset_override: None, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
511 |
}; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
512 |
|
48458
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48457
diff
changeset
|
513 |
assert_eq!(entry.base_revision_or_base_of_delta_chain(), 1) |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
514 |
} |
48457
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
515 |
|
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
516 |
#[test] |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
517 |
fn version_test() { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
518 |
let bytes = IndexEntryBuilder::new() |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
519 |
.is_first(true) |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
520 |
.with_version(1) |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
521 |
.build(); |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
522 |
|
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
523 |
assert_eq!(get_version(&bytes), 1) |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48226
diff
changeset
|
524 |
} |
45526
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
525 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
526 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
527 |
#[cfg(test)] |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
528 |
pub use tests::IndexEntryBuilder; |