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merge(3p/git): Merge git subtree at v2.29.2

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This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because
there is some breakage in the git build related to the netrc
credentials helper which someone has taken care of in nixpkgs.

The stable channel is not used for anything other than git, so this
should be fine.

Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb
This commit is contained in:
Vincent Ambo 2020-11-21 19:20:35 +01:00
parent 082c006c04
commit f4609b896f
1485 changed files with 241535 additions and 109418 deletions
Download patch file Download diff file Expand all files Collapse all files

18
third_party/git/lockfile.c vendored
View file

@ -70,7 +70,8 @@ static void resolve_symlink(struct strbuf *path)
}
/* Make sure errno contains a meaningful value on error */
static int lock_file(struct lock_file *lk, const char *path, int flags)
static int lock_file(struct lock_file *lk, const char *path, int flags,
int mode)
{
struct strbuf filename = STRBUF_INIT;
@ -79,7 +80,7 @@ static int lock_file(struct lock_file *lk, const char *path, int flags)
resolve_symlink(&filename);
strbuf_addstr(&filename, LOCK_SUFFIX);
lk->tempfile = create_tempfile(filename.buf);
lk->tempfile = create_tempfile_mode(filename.buf, mode);
strbuf_release(&filename);
return lk->tempfile ? lk->tempfile->fd : -1;
}
@ -99,7 +100,7 @@ static int lock_file(struct lock_file *lk, const char *path, int flags)
* exactly once. If timeout_ms is -1, try indefinitely.
*/
static int lock_file_timeout(struct lock_file *lk, const char *path,
int flags, long timeout_ms)
int flags, long timeout_ms, int mode)
{
int n = 1;
int multiplier = 1;
@ -107,7 +108,7 @@ static int lock_file_timeout(struct lock_file *lk, const char *path,
static int random_initialized = 0;
if (timeout_ms == 0)
return lock_file(lk, path, flags);
return lock_file(lk, path, flags, mode);
if (!random_initialized) {
srand((unsigned int)getpid());
@ -121,7 +122,7 @@ static int lock_file_timeout(struct lock_file *lk, const char *path,
long backoff_ms, wait_ms;
int fd;
fd = lock_file(lk, path, flags);
fd = lock_file(lk, path, flags, mode);
if (fd >= 0)
return fd; /* success */
@ -169,10 +170,11 @@ NORETURN void unable_to_lock_die(const char *path, int err)
}
/* This should return a meaningful errno on failure */
int hold_lock_file_for_update_timeout(struct lock_file *lk, const char *path,
int flags, long timeout_ms)
int hold_lock_file_for_update_timeout_mode(struct lock_file *lk,
const char *path, int flags,
long timeout_ms, int mode)
{
int fd = lock_file_timeout(lk, path, flags, timeout_ms);
int fd = lock_file_timeout(lk, path, flags, timeout_ms, mode);
if (fd < 0) {
if (flags & LOCK_DIE_ON_ERROR)
unable_to_lock_die(path, errno);