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add logref support to git-symbolic-ref

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Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Nicolas Pitre
2007-01-26 17:26:10 -05:00
committed by Junio C Hamano
parent 41b625b047
commit 8b5157e407
6 changed files with 35 additions and 8 deletions
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14
refs.c
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@ -986,18 +986,23 @@ int write_ref_sha1(struct ref_lock *lock,
return 0;
}
int create_symref(const char *ref_target, const char *refs_heads_master)
int create_symref(const char *ref_target, const char *refs_heads_master,
const char *logmsg)
{
const char *lockpath;
char ref[1000];
int fd, len, written;
const char *git_HEAD = git_path("%s", ref_target);
unsigned char old_sha1[20], new_sha1[20];
if (logmsg && read_ref(ref_target, old_sha1))
hashclr(old_sha1);
#ifndef NO_SYMLINK_HEAD
if (prefer_symlink_refs) {
unlink(git_HEAD);
if (!symlink(refs_heads_master, git_HEAD))
return 0;
goto done;
fprintf(stderr, "no symlink - falling back to symbolic ref\n");
}
#endif
@ -1030,6 +1035,11 @@ int create_symref(const char *ref_target, const char *refs_heads_master)
error("Unable to fix permissions on %s", lockpath);
return -4;
}
done:
if (logmsg && !read_ref(refs_heads_master, new_sha1))
log_ref_write(ref_target, old_sha1, new_sha1, logmsg);
return 0;
}