Define gitfo_exists to determine file presence

When scanning the pack directory we need to see if the path
name is present for ".idx" when we discover a ".pack" file.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/fileops.c b/src/fileops.c
index 0867c7b57..16b9dc520 100644
--- a/src/fileops.c
+++ b/src/fileops.c
@@ -53,6 +53,12 @@ int gitfo_write(git_file fd, void *buf, size_t cnt)
 	return GIT_SUCCESS;
 }
 
+int gitfo_exists(const char *path)
+{
+	struct stat sb;
+	return stat(path, &sb);
+}
+
 off_t gitfo_size(git_file fd)
 {
 	struct stat sb;