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git-apply --directory: make --root more similar to GNU diff

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Applying a patch in the directory that is different from what the patch
records is done with --directory option in GNU diff.  The --root option we
introduced previously does the same, and we can call it the same way to
give users more familiar feel.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2008-07-06 18:36:01 -07:00
parent 8ee4a6c2ec
commit f556388747
3 changed files with 12 additions and 8 deletions
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8
Documentation/git-apply.txt
View file

@ -14,7 +14,7 @@ SYNOPSIS
[--allow-binary-replacement | --binary] [--reject] [-z]
[-pNUM] [-CNUM] [--inaccurate-eof] [--cached]
[--whitespace=<nowarn|warn|fix|error|error-all>]
[--exclude=PATH] [--root=<root>] [--verbose] [<patch>...]
[--exclude=PATH] [--directory=<root>] [--verbose] [<patch>...]
DESCRIPTION
-----------
@ -177,9 +177,13 @@ behavior:
current patch being applied will be printed. This option will cause
additional information to be reported.
--root=<root>::
--directory=<root>::
Prepend <root> to all filenames. If a "-p" argument was passed, too,
it is applied before prepending the new root.
+
For example, a patch that talks about updating `a/git-gui.sh` to `b/git-gui.sh`
can be applied to the file in the working tree `modules/git-gui/git-gui.sh` by
running `git apply --directory=modules/git-gui`.
Configuration
-------------

4
builtin-apply.c
View file

@ -3130,8 +3130,8 @@ int cmd_apply(int argc, const char **argv, const char *unused_prefix)
inaccurate_eof = 1;
continue;
}
if (!prefixcmp(arg, "--root=")) {
arg += strlen("--root=");
if (!prefixcmp(arg, "--directory=")) {
arg += strlen("--directory=");
root_len = strlen(arg);
if (root_len && arg[root_len - 1] != '/') {
char *new_root;

8
t/t4128-apply-root.sh
View file

@ -23,18 +23,18 @@ diff a/bla/blub/dir/file b/bla/blub/dir/file
+Bello
EOF
test_expect_success 'apply --root -p (1)' '
test_expect_success 'apply --directory -p (1)' '
git apply --root=some/sub -p3 --index patch &&
git apply --directory=some/sub -p3 --index patch &&
test Bello = $(git show :some/sub/dir/file) &&
test Bello = $(cat some/sub/dir/file)
'
test_expect_success 'apply --root -p (2) ' '
test_expect_success 'apply --directory -p (2) ' '
git reset --hard initial &&
git apply --root=some/sub/ -p3 --index patch &&
git apply --directory=some/sub/ -p3 --index patch &&
test Bello = $(git show :some/sub/dir/file) &&
test Bello = $(cat some/sub/dir/file)