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move create_symref() past log_ref_write()

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This doesn't change the code at all.  It is done to make the next patch
more obvious.

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 17:26:09 -05:00 committed by Junio C Hamano
parent e1dde3d06c
commit 41b625b047
1 changed files with 47 additions and 47 deletions
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94
refs.c
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@ -309,53 +309,6 @@ const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *
return ref; return ref;
} }
int create_symref(const char *ref_target, const char *refs_heads_master)
{
const char *lockpath;
char ref[1000];
int fd, len, written;
const char *git_HEAD = git_path("%s", ref_target);
#ifndef NO_SYMLINK_HEAD
if (prefer_symlink_refs) {
unlink(git_HEAD);
if (!symlink(refs_heads_master, git_HEAD))
return 0;
fprintf(stderr, "no symlink - falling back to symbolic ref\n");
}
#endif
len = snprintf(ref, sizeof(ref), "ref: %s\n", refs_heads_master);
if (sizeof(ref) <= len) {
error("refname too long: %s", refs_heads_master);
return -1;
}
lockpath = mkpath("%s.lock", git_HEAD);
fd = open(lockpath, O_CREAT | O_EXCL | O_WRONLY, 0666);
if (fd < 0) {
error("Unable to open %s for writing", lockpath);
return -5;
}
written = write_in_full(fd, ref, len);
close(fd);
if (written != len) {
unlink(lockpath);
error("Unable to write to %s", lockpath);
return -2;
}
if (rename(lockpath, git_HEAD) < 0) {
unlink(lockpath);
error("Unable to create %s", git_HEAD);
return -3;
}
if (adjust_shared_perm(git_HEAD)) {
unlink(lockpath);
error("Unable to fix permissions on %s", lockpath);
return -4;
}
return 0;
}
int read_ref(const char *ref, unsigned char *sha1) int read_ref(const char *ref, unsigned char *sha1)
{ {
if (resolve_ref(ref, sha1, 1, NULL)) if (resolve_ref(ref, sha1, 1, NULL))
@ -1033,6 +986,53 @@ int write_ref_sha1(struct ref_lock *lock,
return 0; return 0;
} }
int create_symref(const char *ref_target, const char *refs_heads_master)
{
const char *lockpath;
char ref[1000];
int fd, len, written;
const char *git_HEAD = git_path("%s", ref_target);
#ifndef NO_SYMLINK_HEAD
if (prefer_symlink_refs) {
unlink(git_HEAD);
if (!symlink(refs_heads_master, git_HEAD))
return 0;
fprintf(stderr, "no symlink - falling back to symbolic ref\n");
}
#endif
len = snprintf(ref, sizeof(ref), "ref: %s\n", refs_heads_master);
if (sizeof(ref) <= len) {
error("refname too long: %s", refs_heads_master);
return -1;
}
lockpath = mkpath("%s.lock", git_HEAD);
fd = open(lockpath, O_CREAT | O_EXCL | O_WRONLY, 0666);
if (fd < 0) {
error("Unable to open %s for writing", lockpath);
return -5;
}
written = write_in_full(fd, ref, len);
close(fd);
if (written != len) {
unlink(lockpath);
error("Unable to write to %s", lockpath);
return -2;
}
if (rename(lockpath, git_HEAD) < 0) {
unlink(lockpath);
error("Unable to create %s", git_HEAD);
return -3;
}
if (adjust_shared_perm(git_HEAD)) {
unlink(lockpath);
error("Unable to fix permissions on %s", lockpath);
return -4;
}
return 0;
}
static char *ref_msg(const char *line, const char *endp) static char *ref_msg(const char *line, const char *endp)
{ {
const char *ep; const char *ep;