From 0bb0ca215830c19220a2cc78ca7c5a3b16b6f1df Mon Sep 17 00:00:00 2001
From: Johannes Sixt <johannes.sixt@telecom.at>
Date: Mon, 8 Jan 2007 11:33:35 +0100
Subject: [PATCH] Windows cannot unlink() a file that is read-only.

---
 builtin-prune-packed.c | 10 ++++++++--
 index-pack.c           |  4 ++++
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/builtin-prune-packed.c b/builtin-prune-packed.c
index 977730064b..639fbed2fc 100644
--- a/builtin-prune-packed.c
+++ b/builtin-prune-packed.c
@@ -25,8 +25,14 @@ static void prune_dir(int i, DIR *dir, char *pathname, int len, int opts)
 		memcpy(pathname + len, de->d_name, 38);
 		if (opts & DRY_RUN)
 			printf("rm -f %s\n", pathname);
-		else if (unlink(pathname) < 0)
-			error("unable to unlink %s", pathname);
+		else {
+#ifdef __MINGW32__
+			/* read-only files cannot be removed */
+			chmod(pathname, 0666);
+#endif
+			if (unlink(pathname) < 0)
+				error("unable to unlink %s", pathname);
+		}
 	}
 	pathname[len] = 0;
 	rmdir(pathname);
diff --git a/index-pack.c b/index-pack.c
index 72e0962415..040957c016 100644
--- a/index-pack.c
+++ b/index-pack.c
@@ -700,6 +700,10 @@ static const char *write_index_file(const char *index_name, unsigned char *sha1)
 		fd = mkstemp(tmpfile);
 		index_name = xstrdup(tmpfile);
 	} else {
+#ifdef __MINGW32__
+		/* read-only files cannot be removed */
+		chmod(index_name, 0666);
+#endif
 		unlink(index_name);
 		fd = open(index_name, O_CREAT|O_EXCL|O_WRONLY, 0600);
 	}
-- 
2.11.4.GIT