diff options
| -rw-r--r-- | builtin-update-index.c | 3 | ||||
| -rw-r--r-- | cache.h | 1 | ||||
| -rw-r--r-- | lockfile.c | 16 |
3 files changed, 17 insertions, 3 deletions
diff --git a/builtin-update-index.c b/builtin-update-index.c index 65d5775..daca0f7 100644 --- a/builtin-update-index.c +++ b/builtin-update-index.c @@ -742,8 +742,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) if (newfd < 0) { if (refresh_flags & REFRESH_QUIET) exit(128); - die("unable to create '%s.lock': %s", - get_index_file(), strerror(lock_error)); + unable_to_lock_index_die(get_index_file(), lock_error); } if (write_cache(newfd, active_cache, active_nr) || commit_locked_index(lock_file)) @@ -484,6 +484,7 @@ struct lock_file { }; #define LOCK_DIE_ON_ERROR 1 #define LOCK_NODEREF 2 +extern NORETURN void unable_to_lock_index_die(const char *path, int err); extern int hold_lock_file_for_update(struct lock_file *, const char *path, int); extern int hold_lock_file_for_append(struct lock_file *, const char *path, int); extern int commit_lock_file(struct lock_file *); @@ -158,11 +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; } |