diff options
| -rw-r--r-- | lockfile.c | 12 | ||||
| -rw-r--r-- | lockfile.h | 8 | ||||
| -rw-r--r-- | merge.c | 2 |
3 files changed, 18 insertions, 4 deletions
diff --git a/lockfile.c b/lockfile.c index 9268cdf32..aa69210d8 100644 --- a/lockfile.c +++ b/lockfile.c @@ -174,8 +174,16 @@ int hold_lock_file_for_update_timeout(struct lock_file *lk, const char *path, int flags, long timeout_ms) { int fd = lock_file_timeout(lk, path, flags, timeout_ms); - if (fd < 0 && (flags & LOCK_DIE_ON_ERROR)) - unable_to_lock_die(path, errno); + if (fd < 0) { + if (flags & LOCK_DIE_ON_ERROR) + unable_to_lock_die(path, errno); + if (flags & LOCK_REPORT_ON_ERROR) { + struct strbuf buf = STRBUF_INIT; + unable_to_lock_message(path, errno, &buf); + error("%s", buf.buf); + strbuf_release(&buf); + } + } return fd; } diff --git a/lockfile.h b/lockfile.h index d26ad27b2..16775a7d7 100644 --- a/lockfile.h +++ b/lockfile.h @@ -129,11 +129,17 @@ struct lock_file { /* * If a lock is already taken for the file, `die()` with an error * message. If this flag is not specified, trying to lock a file that - * is already locked returns -1 to the caller. + * is already locked silently returns -1 to the caller, or ... */ #define LOCK_DIE_ON_ERROR 1 /* + * ... this flag can be passed instead to return -1 and give the usual + * error message upon an error. + */ +#define LOCK_REPORT_ON_ERROR 2 + +/* * Usually symbolic links in the destination path are resolved. This * means that (1) the lockfile is created by adding ".lock" to the * resolved path, and (2) upon commit, the resolved path is @@ -57,7 +57,7 @@ int checkout_fast_forward(const unsigned char *head, refresh_cache(REFRESH_QUIET); - if (hold_locked_index(lock_file, 0) < 0) + if (hold_locked_index(lock_file, LOCK_REPORT_ON_ERROR) < 0) return -1; memset(&trees, 0, sizeof(trees)); |