[PATCH] Make the 'lock file exists' error more informative

[John Tapsell <johnflux@gmail.com>]

It looks like someone did 90% of the work, then forgot to actually use
the function
---
 lockfile.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lockfile.c b/lockfile.c
index 1db1a2f..3dbb2d1 100644
--- a/lockfile.c
+++ b/lockfile.c
@@ -158,7 +158,7 @@ static int lock_file(struct lock_file *lk, const char *path, int flags)
 
 NORETURN void unable_to_lock_index_die(const char *path, int err)
 {
-	if (errno == EEXIST) {
+	if (err == 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"
@@ -184,7 +184,7 @@ int hold_lock_file_for_append(struct lock_file *lk, const char *path, int flags)
 	fd = lock_file(lk, path, flags);
 	if (fd < 0) {
 		if (flags & LOCK_DIE_ON_ERROR)
-			die("unable to create '%s.lock': %s", path, strerror(errno));
+			unable_to_lock_index_die(path, errno);
 		return fd;
 	}
 
-- 
1.6.2.rc2.23.g77740