29 

    29 

    30 /// Append to an existing data file if the amount of unreachable data (not used

    30 /// Append to an existing data file if the amount of unreachable data (not used

    31 /// anymore) is less than this fraction of the total amount of existing data.

    31 /// anymore) is less than this fraction of the total amount of existing data.

    32 const ACCEPTABLE_UNREACHABLE_BYTES_RATIO: f32 = 0.5;

    32 const ACCEPTABLE_UNREACHABLE_BYTES_RATIO: f32 = 0.5;

    33 

    33 

    34 #[derive(Debug)]

    41 #[derive(Debug)]

    35 pub struct DirstateMap<'on_disk> {

    42 pub struct DirstateMap<'on_disk> {

    36     /// Contents of the `.hg/dirstate` file

    43     /// Contents of the `.hg/dirstate` file

    37     pub(super) on_disk: &'on_disk [u8],

    44     pub(super) on_disk: &'on_disk [u8],

    38 

    45 

    52     pub(super) unreachable_bytes: u32,

    59     pub(super) unreachable_bytes: u32,

    53 

    60 

    54     /// Size of the data used to first load this `DirstateMap`. Used in case

    61     /// Size of the data used to first load this `DirstateMap`. Used in case

    55     /// we need to write some new metadata, but no new data on disk.

    62     /// we need to write some new metadata, but no new data on disk.

    56     pub(super) old_data_size: usize,

    63     pub(super) old_data_size: usize,

    57 }

    66 }

    58 

    67 

    59 /// Using a plain `HgPathBuf` of the full path from the repository root as a

    68 /// Using a plain `HgPathBuf` of the full path from the repository root as a

    60 /// map key would also work: all paths in a given map have the same parent

    69 /// map key would also work: all paths in a given map have the same parent

    61 /// path, so comparing full paths gives the same result as comparing base

    70 /// path, so comparing full paths gives the same result as comparing base

   439             nodes_with_entry_count: 0,

   448             nodes_with_entry_count: 0,

   440             nodes_with_copy_source_count: 0,

   449             nodes_with_copy_source_count: 0,

   441             ignore_patterns_hash: [0; on_disk::IGNORE_PATTERNS_HASH_LEN],

   450             ignore_patterns_hash: [0; on_disk::IGNORE_PATTERNS_HASH_LEN],

   442             unreachable_bytes: 0,

   451             unreachable_bytes: 0,

   443             old_data_size: 0,

   452             old_data_size: 0,

   444         }

   454         }

   445     }

   455     }

   446 

   456 

   447     #[timed]

   457     #[timed]

   448     pub fn new_v2(

   458     pub fn new_v2(