diff options
Diffstat (limited to 'lockfile.c')
| -rw-r--r-- | lockfile.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/lockfile.c b/lockfile.c index 6d75608693..8e556ff8c9 100644 --- a/lockfile.c +++ b/lockfile.c @@ -140,6 +140,7 @@ static int lock_file(struct lock_file *lk, const char *path, int flags) signal(SIGHUP, remove_lock_file_on_signal); signal(SIGTERM, remove_lock_file_on_signal); signal(SIGQUIT, remove_lock_file_on_signal); + signal(SIGPIPE, remove_lock_file_on_signal); atexit(remove_lock_file); } lk->owner = getpid(); @@ -157,11 +158,25 @@ static int lock_file(struct lock_file *lk, const char *path, int flags) return lk->fd; } + +NORETURN void unable_to_lock_index_die(const char *path, int err) +{ + if (errno == EEXIST) { + die("Unable to create '%s.lock': %s.\n\n" + "If no other git process is currently running, this probably means a\n" + "git process crashed in this repository earlier. Make sure no other git\n" + "process is running and remove the file manually to continue.", + path, strerror(err)); + } else { + die("Unable to create '%s.lock': %s", path, strerror(err)); + } +} + int hold_lock_file_for_update(struct lock_file *lk, const char *path, int flags) { int fd = lock_file(lk, path, flags); if (fd < 0 && (flags & LOCK_DIE_ON_ERROR)) - die("unable to create '%s.lock': %s", path, strerror(errno)); + unable_to_lock_index_die(path, errno); return fd; } |