X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=lockfile.c;h=3dbb2d1ff9407a7417be294adedc5312e7421a96;hb=2e2e91d6b27f522707322835a1f8c4a5e18a2419;hp=021c3375c10711027269ee58bb9a201bc69c519a;hpb=74b11bc3beca489502d0840e4c558a5fcc44e145;p=git.git

diff --git a/lockfile.c b/lockfile.c
index 021c3375c..3dbb2d1ff 100644
--- a/lockfile.c
+++ b/lockfile.c
@@ -155,11 +155,25 @@ 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 (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"
+		    "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;
 }
 
@@ -170,7 +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;
 	}