$ hg init a
$ mkdir a/d1
$ mkdir a/d1/d2
$ echo line 1 > a/a
$ echo line 1 > a/d1/d2/a
$ hg --cwd a ci -Ama
adding a
adding d1/d2/a
$ echo line 2 >> a/a
$ hg --cwd a ci -u someone -d '1 0' -m'second change'
import with no args:
$ hg --cwd a import
abort: need at least one patch to import
[255]
generate patches for the test
$ hg --cwd a export tip > exported-tip.patch
$ hg --cwd a diff -r0:1 > diffed-tip.patch
import exported patch
$ hg clone -r0 a b
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg --cwd b import ../exported-tip.patch
applying ../exported-tip.patch
message and committer should be same
$ hg --cwd b tip
changeset: 1:1d4bd90af0e4
tag: tip
user: someone
date: Thu Jan 01 00:00:01 1970 +0000
summary: second change
$ rm -r b
import exported patch with external patcher
$ cat > dummypatch.py <<EOF
> print 'patching file a'
> file('a', 'wb').write('line2\n')
> EOF
$ hg clone -r0 a b
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg --config ui.patch='python ../dummypatch.py' --cwd b import ../exported-tip.patch
applying ../exported-tip.patch
$ cat b/a
line2
$ rm -r b
import of plain diff should fail without message
$ hg clone -r0 a b
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg --cwd b import ../diffed-tip.patch
applying ../diffed-tip.patch
abort: empty commit message
[255]
$ rm -r b
import of plain diff should be ok with message
$ hg clone -r0 a b
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg --cwd b import -mpatch ../diffed-tip.patch
applying ../diffed-tip.patch
$ rm -r b
import of plain diff with specific date and user
$ hg clone -r0 a b
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg --cwd b import -mpatch -d '1 0' -u 'user@nowhere.net' ../diffed-tip.patch
applying ../diffed-tip.patch
$ hg -R b tip -pv
changeset: 1:ca68f19f3a40
tag: tip
user: user@nowhere.net
date: Thu Jan 01 00:00:01 1970 +0000
files: a
description:
patch
diff -r 80971e65b431 -r ca68f19f3a40 a
--- a/a Thu Jan 01 00:00:00 1970 +0000
+++ b/a Thu Jan 01 00:00:01 1970 +0000
@@ -1,1 +1,2 @@
line 1
+line 2
$ rm -r b
import of plain diff should be ok with --no-commit
$ hg clone -r0 a b
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg --cwd b import --no-commit ../diffed-tip.patch
applying ../diffed-tip.patch
$ hg --cwd b diff --nodates
diff -r 80971e65b431 a
--- a/a
+++ b/a
@@ -1,1 +1,2 @@
line 1
+line 2
$ rm -r b
import of malformed plain diff should fail
$ hg clone -r0 a b
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ sed 's/1,1/foo/' < diffed-tip.patch > broken.patch
$ hg --cwd b import -mpatch ../broken.patch
applying ../broken.patch
abort: bad hunk #1
[255]
$ rm -r b
hg -R repo import
put the clone in a subdir - having a directory named "a"
used to hide a bug.
$ mkdir dir
$ hg clone -r0 a dir/b
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd dir
$ hg -R b import ../exported-tip.patch
applying ../exported-tip.patch
$ cd ..
$ rm -r dir
import from stdin
$ hg clone -r0 a b
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg --cwd b import - < exported-tip.patch
applying patch from stdin
$ rm -r b
import two patches in one stream
$ hg init b
$ hg --cwd a export 0:tip | hg --cwd b import -
applying patch from stdin
$ hg --cwd a id
1d4bd90af0e4 tip
$ hg --cwd b id
1d4bd90af0e4 tip
$ rm -r b
override commit message
$ hg clone -r0 a b
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg --cwd b import -m 'override' - < exported-tip.patch
applying patch from stdin
$ hg --cwd b tip | grep override
summary: override
$ rm -r b
$ cat > mkmsg.py <<EOF
> import email.Message, sys
> msg = email.Message.Message()
> patch = open(sys.argv[1], 'rb').read()
> msg.set_payload('email commit message\n' + patch)
> msg['Subject'] = 'email patch'
> msg['From'] = 'email patcher'
> file(sys.argv[2], 'wb').write(msg.as_string())
> EOF
plain diff in email, subject, message body
$ hg clone -r0 a b
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ python mkmsg.py diffed-tip.patch msg.patch
$ hg --cwd b import ../msg.patch
applying ../msg.patch
$ hg --cwd b tip | grep email
user: email patcher
summary: email patch
$ rm -r b
plain diff in email, no subject, message body
$ hg clone -r0 a b
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ grep -v '^Subject:' msg.patch | hg --cwd b import -
applying patch from stdin
$ rm -r b
plain diff in email, subject, no message body
$ hg clone -r0 a b
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ grep -v '^email ' msg.patch | hg --cwd b import -
applying patch from stdin
$ rm -r b
plain diff in email, no subject, no message body, should fail
$ hg clone -r0 a b
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ egrep -v '^(Subject|email)' msg.patch | hg --cwd b import -
applying patch from stdin
abort: empty commit message
[255]
$ rm -r b
hg export in email, should use patch header
$ hg clone -r0 a b
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ python mkmsg.py exported-tip.patch msg.patch
$ cat msg.patch | hg --cwd b import -
applying patch from stdin
$ hg --cwd b tip | grep second
summary: second change
$ rm -r b
subject: duplicate detection, removal of [PATCH]
The '---' tests the gitsendmail handling without proper mail headers
$ cat > mkmsg2.py <<EOF
> import email.Message, sys
> msg = email.Message.Message()
> patch = open(sys.argv[1], 'rb').read()
> msg.set_payload('email patch\n\nnext line\n---\n' + patch)
> msg['Subject'] = '[PATCH] email patch'
> msg['From'] = 'email patcher'
> file(sys.argv[2], 'wb').write(msg.as_string())
> EOF
plain diff in email, [PATCH] subject, message body with subject
$ hg clone -r0 a b
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ python mkmsg2.py diffed-tip.patch msg.patch
$ cat msg.patch | hg --cwd b import -
applying patch from stdin
$ hg --cwd b tip --template '{desc}\n'
email patch
next line
---
$ rm -r b
Issue963: Parent of working dir incorrect after import of multiple
patches and rollback
We weren't backing up the correct dirstate file when importing many
patches: import patch1 patch2; rollback
$ echo line 3 >> a/a
$ hg --cwd a ci -m'third change'
$ hg --cwd a export -o '../patch%R' 1 2
$ hg clone -qr0 a b
$ hg --cwd b parents --template 'parent: {rev}\n'
parent: 0
$ hg --cwd b import -v ../patch1 ../patch2
applying ../patch1
patching file a
a
created 1d4bd90af0e4
applying ../patch2
patching file a
a
created 6d019af21222
$ hg --cwd b rollback
repository tip rolled back to revision 0 (undo import)
working directory now based on revision 0
$ hg --cwd b parents --template 'parent: {rev}\n'
parent: 0
$ rm -r b
importing a patch in a subdirectory failed at the commit stage
$ echo line 2 >> a/d1/d2/a
$ hg --cwd a ci -u someoneelse -d '1 0' -m'subdir change'
hg import in a subdirectory
$ hg clone -r0 a b
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg --cwd a export tip > tmp
$ sed -e 's/d1\/d2\///' < tmp > subdir-tip.patch
$ dir=`pwd`
$ cd b/d1/d2 2>&1 > /dev/null
$ hg import ../../../subdir-tip.patch
applying ../../../subdir-tip.patch
$ cd "$dir"
message should be 'subdir change'
committer should be 'someoneelse'
$ hg --cwd b tip
changeset: 1:3577f5aea227
tag: tip
user: someoneelse
date: Thu Jan 01 00:00:01 1970 +0000
summary: subdir change
should be empty
$ hg --cwd b status
Test fuzziness (ambiguous patch location, fuzz=2)
$ hg init fuzzy
$ cd fuzzy
$ echo line1 > a
$ echo line0 >> a
$ echo line3 >> a
$ hg ci -Am adda
adding a
$ echo line1 > a
$ echo line2 >> a
$ echo line0 >> a
$ echo line3 >> a
$ hg ci -m change a
$ hg export tip > fuzzy-tip.patch
$ hg up -C 0
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo line1 > a
$ echo line0 >> a
$ echo line1 >> a
$ echo line0 >> a
$ hg ci -m brancha
created new head
$ hg import --no-commit -v fuzzy-tip.patch
applying fuzzy-tip.patch
patching file a
Hunk #1 succeeded at 2 with fuzz 1 (offset 0 lines).
applied to working directory
$ hg revert -a
reverting a
import with --no-commit should have written .hg/last-message.txt
$ cat .hg/last-message.txt
change (no-eol)
test fuzziness with eol=auto
$ hg --config patch.eol=auto import --no-commit -v fuzzy-tip.patch
applying fuzzy-tip.patch
patching file a
Hunk #1 succeeded at 2 with fuzz 1 (offset 0 lines).
applied to working directory
$ cd ..
Test hunk touching empty files (issue906)
$ hg init empty
$ cd empty
$ touch a
$ touch b1
$ touch c1
$ echo d > d
$ hg ci -Am init
adding a
adding b1
adding c1
adding d
$ echo a > a
$ echo b > b1
$ hg mv b1 b2
$ echo c > c1
$ hg copy c1 c2
$ rm d
$ touch d
$ hg diff --git
diff --git a/a b/a
--- a/a
+++ b/a
@@ -0,0 +1,1 @@
+a
diff --git a/b1 b/b2
rename from b1
rename to b2
--- a/b1
+++ b/b2
@@ -0,0 +1,1 @@
+b
diff --git a/c1 b/c1
--- a/c1
+++ b/c1
@@ -0,0 +1,1 @@
+c
diff --git a/c1 b/c2
copy from c1
copy to c2
--- a/c1
+++ b/c2
@@ -0,0 +1,1 @@
+c
diff --git a/d b/d
--- a/d
+++ b/d
@@ -1,1 +0,0 @@
-d
$ hg ci -m empty
$ hg export --git tip > empty.diff
$ hg up -C 0
4 files updated, 0 files merged, 2 files removed, 0 files unresolved
$ hg import empty.diff
applying empty.diff
$ for name in a b1 b2 c1 c2 d; do
> echo % $name file
> test -f $name && cat $name
> done
% a file
a
% b1 file
% b2 file
b
% c1 file
c
% c2 file
c
% d file
$ cd ..
Test importing a patch ending with a binary file removal
$ hg init binaryremoval
$ cd binaryremoval
$ echo a > a
$ python -c "file('b', 'wb').write('a\x00b')"
$ hg ci -Am addall
adding a
adding b
$ hg rm a
$ hg rm b
$ hg st
R a
R b
$ hg ci -m remove
$ hg export --git . > remove.diff
$ cat remove.diff | grep git
diff --git a/a b/a
diff --git a/b b/b
$ hg up -C 0
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg import remove.diff
applying remove.diff
$ hg manifest
$ cd ..
Issue927: test update+rename with common name
$ hg init t
$ cd t
$ touch a
$ hg ci -Am t
adding a
$ echo a > a
Here, bfile.startswith(afile)
$ hg copy a a2
$ hg ci -m copya
$ hg export --git tip > copy.diff
$ hg up -C 0
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg import copy.diff
applying copy.diff
a should contain an 'a'
$ cat a
a
and a2 should have duplicated it
$ cat a2
a
$ cd ..
test -p0
$ hg init p0
$ cd p0
$ echo a > a
$ hg ci -Am t
adding a
$ hg import -p0 - << EOF
> foobar
> --- a Sat Apr 12 22:43:58 2008 -0400
> +++ a Sat Apr 12 22:44:05 2008 -0400
> @@ -1,1 +1,1 @@
> -a
> +bb
> EOF
applying patch from stdin
$ hg status
$ cat a
bb
$ cd ..
test paths outside repo root
$ mkdir outside
$ touch outside/foo
$ hg init inside
$ cd inside
$ hg import - <<EOF
> diff --git a/a b/b
> rename from ../outside/foo
> rename to bar
> EOF
applying patch from stdin
abort: path contains illegal component: ../outside/foo (glob)
[255]
$ cd ..
test import with similarity and git and strip (issue295 et al.)
$ hg init sim
$ cd sim
$ echo 'this is a test' > a
$ hg ci -Ama
adding a
$ cat > ../rename.diff <<EOF
> diff --git a/foo/a b/foo/a
> deleted file mode 100644
> --- a/foo/a
> +++ /dev/null
> @@ -1,1 +0,0 @@
> -this is a test
> diff --git a/foo/b b/foo/b
> new file mode 100644
> --- /dev/null
> +++ b/foo/b
> @@ -0,0 +1,2 @@
> +this is a test
> +foo
> EOF
$ hg import --no-commit -v -s 1 ../rename.diff -p2
applying ../rename.diff
patching file a
patching file b
adding b
recording removal of a as rename to b (88% similar)
applied to working directory
$ hg st -C
A b
a
R a
$ hg revert -a
undeleting a
forgetting b
$ rm b
$ hg import --no-commit -v -s 100 ../rename.diff -p2
applying ../rename.diff
patching file a
patching file b
adding b
applied to working directory
$ hg st -C
A b
R a
$ cd ..
Issue1495: add empty file from the end of patch
$ hg init addemptyend
$ cd addemptyend
$ touch a
$ hg addremove
adding a
$ hg ci -m "commit"
$ cat > a.patch <<EOF
> add a, b
> diff --git a/a b/a
> --- a/a
> +++ b/a
> @@ -0,0 +1,1 @@
> +a
> diff --git a/b b/b
> new file mode 100644
> EOF
$ hg import --no-commit a.patch
applying a.patch
apply a good patch followed by an empty patch (mainly to ensure
that dirstate is *not* updated when import crashes)
$ hg update -q -C .
$ rm b
$ touch empty.patch
$ hg import a.patch empty.patch
applying a.patch
applying empty.patch
transaction abort!
rollback completed
abort: empty.patch: no diffs found
[255]
$ hg tip --template '{rev} {desc|firstline}\n'
0 commit
$ hg -q status
M a
$ cd ..
create file when source is not /dev/null
$ cat > create.patch <<EOF
> diff -Naur proj-orig/foo proj-new/foo
> --- proj-orig/foo 1969-12-31 16:00:00.000000000 -0800
> +++ proj-new/foo 2009-07-17 16:50:45.801368000 -0700
> @@ -0,0 +1,1 @@
> +a
> EOF
some people have patches like the following too
$ cat > create2.patch <<EOF
> diff -Naur proj-orig/foo proj-new/foo
> --- proj-orig/foo.orig 1969-12-31 16:00:00.000000000 -0800
> +++ proj-new/foo 2009-07-17 16:50:45.801368000 -0700
> @@ -0,0 +1,1 @@
> +a
> EOF
$ hg init oddcreate
$ cd oddcreate
$ hg import --no-commit ../create.patch
applying ../create.patch
$ cat foo
a
$ rm foo
$ hg revert foo
$ hg import --no-commit ../create2.patch
applying ../create2.patch
$ cat foo
a
Issue1859: first line mistaken for email headers
$ hg init emailconfusion
$ cd emailconfusion
$ cat > a.patch <<EOF
> module: summary
>
> description
>
>
> diff -r 000000000000 -r 9b4c1e343b55 test.txt
> --- /dev/null
> +++ b/a
> @@ -0,0 +1,1 @@
> +a
> EOF
$ hg import -d '0 0' a.patch
applying a.patch
$ hg parents -v
changeset: 0:5a681217c0ad
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
files: a
description:
module: summary
description
$ cd ..
--- in commit message
$ hg init commitconfusion
$ cd commitconfusion
$ cat > a.patch <<EOF
> module: summary
>
> --- description
>
> diff --git a/a b/a
> new file mode 100644
> --- /dev/null
> +++ b/a
> @@ -0,0 +1,1 @@
> +a
> EOF
> hg import -d '0 0' a.patch
> hg parents -v
> cd ..
>
> echo '% tricky header splitting'
> cat > trickyheaders.patch <<EOF
> From: User A <user@a>
> Subject: [PATCH] from: tricky!
>
> # HG changeset patch
> # User User B
> # Date 1266264441 18000
> # Branch stable
> # Node ID f2be6a1170ac83bf31cb4ae0bad00d7678115bc0
> # Parent 0000000000000000000000000000000000000000
> from: tricky!
>
> That is not a header.
>
> diff -r 000000000000 -r f2be6a1170ac foo
> --- /dev/null
> +++ b/foo
> @@ -0,0 +1,1 @@
> +foo
> EOF
applying a.patch
changeset: 0:f34d9187897d
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
files: a
description:
module: summary
% tricky header splitting
$ hg init trickyheaders
$ cd trickyheaders
$ hg import -d '0 0' ../trickyheaders.patch
applying ../trickyheaders.patch
$ hg export --git tip
# HG changeset patch
# User User B
# Date 0 0
# Node ID eb56ab91903632294ac504838508cb370c0901d2
# Parent 0000000000000000000000000000000000000000
from: tricky!
That is not a header.
diff --git a/foo b/foo
new file mode 100644
--- /dev/null
+++ b/foo
@@ -0,0 +1,1 @@
+foo
$ cd ..
Issue2102: hg export and hg import speak different languages
$ hg init issue2102
$ cd issue2102
$ mkdir -p src/cmd/gc
$ touch src/cmd/gc/mksys.bash
$ hg ci -Am init
adding src/cmd/gc/mksys.bash
$ hg import - <<EOF
> # HG changeset patch
> # User Rob Pike
> # Date 1216685449 25200
> # Node ID 03aa2b206f499ad6eb50e6e207b9e710d6409c98
> # Parent 93d10138ad8df586827ca90b4ddb5033e21a3a84
> help management of empty pkg and lib directories in perforce
>
> R=gri
> DELTA=4 (4 added, 0 deleted, 0 changed)
> OCL=13328
> CL=13328
>
> diff --git a/lib/place-holder b/lib/place-holder
> new file mode 100644
> --- /dev/null
> +++ b/lib/place-holder
> @@ -0,0 +1,2 @@
> +perforce does not maintain empty directories.
> +this file helps.
> diff --git a/pkg/place-holder b/pkg/place-holder
> new file mode 100644
> --- /dev/null
> +++ b/pkg/place-holder
> @@ -0,0 +1,2 @@
> +perforce does not maintain empty directories.
> +this file helps.
> diff --git a/src/cmd/gc/mksys.bash b/src/cmd/gc/mksys.bash
> old mode 100644
> new mode 100755
> EOF
applying patch from stdin
#if execbit
$ hg sum
parent: 1:d59915696727 tip
help management of empty pkg and lib directories in perforce
branch: default
commit: (clean)
update: (current)
$ hg diff --git -c tip
diff --git a/lib/place-holder b/lib/place-holder
new file mode 100644
--- /dev/null
+++ b/lib/place-holder
@@ -0,0 +1,2 @@
+perforce does not maintain empty directories.
+this file helps.
diff --git a/pkg/place-holder b/pkg/place-holder
new file mode 100644
--- /dev/null
+++ b/pkg/place-holder
@@ -0,0 +1,2 @@
+perforce does not maintain empty directories.
+this file helps.
diff --git a/src/cmd/gc/mksys.bash b/src/cmd/gc/mksys.bash
old mode 100644
new mode 100755
#else
$ hg sum
parent: 1:28f089cc9ccc tip
help management of empty pkg and lib directories in perforce
branch: default
commit: (clean)
update: (current)
$ hg diff --git -c tip
diff --git a/lib/place-holder b/lib/place-holder
new file mode 100644
--- /dev/null
+++ b/lib/place-holder
@@ -0,0 +1,2 @@
+perforce does not maintain empty directories.
+this file helps.
diff --git a/pkg/place-holder b/pkg/place-holder
new file mode 100644
--- /dev/null
+++ b/pkg/place-holder
@@ -0,0 +1,2 @@
+perforce does not maintain empty directories.
+this file helps.
/* The mode change for mksys.bash is missing here, because on platforms */
/* that don't support execbits, mode changes in patches are ignored when */
/* they are imported. This is obviously also the reason for why the hash */
/* in the created changeset is different to the one you see above the */
/* #else clause */
#endif
$ cd ..
diff lines looking like headers
$ hg init difflineslikeheaders
$ cd difflineslikeheaders
$ echo a >a
$ echo b >b
$ echo c >c
$ hg ci -Am1
adding a
adding b
adding c
$ echo "key: value" >>a
$ echo "key: value" >>b
$ echo "foo" >>c
$ hg ci -m2
$ hg up -C 0
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg diff --git -c1 >want
$ hg diff -c1 | hg import --no-commit -
applying patch from stdin
$ hg diff --git >have
$ diff want have
$ cd ..
import a unified diff with no lines of context (diff -U0)
$ hg init diffzero
$ cd diffzero
$ cat > f << EOF
> c2
> c4
> c5
> EOF
$ hg commit -Am0
adding f
$ hg import --no-commit - << EOF
> # HG changeset patch
> # User test
> # Date 0 0
> # Node ID f4974ab632f3dee767567b0576c0ec9a4508575c
> # Parent 8679a12a975b819fae5f7ad3853a2886d143d794
> 1
> diff -r 8679a12a975b -r f4974ab632f3 f
> --- a/f Thu Jan 01 00:00:00 1970 +0000
> +++ b/f Thu Jan 01 00:00:00 1970 +0000
> @@ -0,0 +1,1 @@
> +c1
> @@ -1,0 +3,1 @@
> +c3
> @@ -3,1 +4,0 @@
> -c5
> EOF
applying patch from stdin
$ cat f
c1
c2
c3
c4
no segfault while importing a unified diff which start line is zero but chunk
size is non-zero
$ hg init startlinezero
$ cd startlinezero
$ echo foo > foo
$ hg commit -Amfoo
adding foo
$ hg import --no-commit - << EOF
> diff a/foo b/foo
> --- a/foo
> +++ b/foo
> @@ -0,1 +0,1 @@
> foo
> EOF
applying patch from stdin
$ cd ..
Test corner case involving fuzz and skew
$ hg init morecornercases
$ cd morecornercases
$ cat > 01-no-context-beginning-of-file.diff <<EOF
> diff --git a/a b/a
> --- a/a
> +++ b/a
> @@ -1,0 +1,1 @@
> +line
> EOF
$ cat > 02-no-context-middle-of-file.diff <<EOF
> diff --git a/a b/a
> --- a/a
> +++ b/a
> @@ -1,1 +1,1 @@
> -2
> +add some skew
> @@ -2,0 +2,1 @@
> +line
> EOF
$ cat > 03-no-context-end-of-file.diff <<EOF
> diff --git a/a b/a
> --- a/a
> +++ b/a
> @@ -10,0 +10,1 @@
> +line
> EOF
$ cat > 04-middle-of-file-completely-fuzzed.diff <<EOF
> diff --git a/a b/a
> --- a/a
> +++ b/a
> @@ -1,1 +1,1 @@
> -2
> +add some skew
> @@ -2,2 +2,3 @@
> not matching, should fuzz
> ... a bit
> +line
> EOF
$ cat > a <<EOF
> 1
> 2
> 3
> 4
> EOF
$ hg ci -Am adda a
$ for p in *.diff; do
> hg import -v --no-commit $p
> cat a
> hg revert -aqC a
> # patch -p1 < $p
> # cat a
> # hg revert -aC a
> done
applying 01-no-context-beginning-of-file.diff
patching file a
applied to working directory
1
line
2
3
4
applying 02-no-context-middle-of-file.diff
patching file a
Hunk #1 succeeded at 2 (offset 1 lines).
Hunk #2 succeeded at 4 (offset 1 lines).
applied to working directory
1
add some skew
3
line
4
applying 03-no-context-end-of-file.diff
patching file a
Hunk #1 succeeded at 5 (offset -6 lines).
applied to working directory
1
2
3
4
line
applying 04-middle-of-file-completely-fuzzed.diff
patching file a
Hunk #1 succeeded at 2 (offset 1 lines).
Hunk #2 succeeded at 5 with fuzz 2 (offset 1 lines).
applied to working directory
1
add some skew
3
4
line