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[PATCH] Operations on refs

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This patch adds code to read a hash out of a specified file under
{GIT_DIR}/refs/, and to write such files atomically and optionally with an
compare and lock.

Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Daniel Barkalow
2005-06-06 16:31:29 -04:00
committed by Linus Torvalds
parent 451322512f
commit 95fc75129a
5 changed files with 207 additions and 2 deletions
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11
sha1_file.c
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@ -58,7 +58,7 @@ static int get_sha1_file(const char *path, unsigned char *result)
return get_sha1_hex(buffer, result);
}
static char *git_dir, *git_object_dir, *git_index_file;
static char *git_dir, *git_object_dir, *git_index_file, *git_refs_dir;
static void setup_git_env(void)
{
git_dir = gitenv(GIT_DIR_ENVIRONMENT);
@ -69,6 +69,8 @@ static void setup_git_env(void)
git_object_dir = xmalloc(strlen(git_dir) + 9);
sprintf(git_object_dir, "%s/objects", git_dir);
}
git_refs_dir = xmalloc(strlen(git_dir) + 6);
sprintf(git_refs_dir, "%s/refs", git_dir);
git_index_file = gitenv(INDEX_ENVIRONMENT);
if (!git_index_file) {
git_index_file = xmalloc(strlen(git_dir) + 7);
@ -83,6 +85,13 @@ char *get_object_directory(void)
return git_object_dir;
}
char *get_refs_directory(void)
{
if (!git_refs_dir)
setup_git_env();
return git_refs_dir;
}
char *get_index_file(void)
{
if (!git_index_file)