[PATCH] rehabilitate 'git index-pack' inside the object store

From

Nicolas Pitre <nico@cam.org>

Date

Oct 21, 2008, 01:17 UTC

Message-ID

<alpine.LFD.2.00.0810202110380.26244@xanadu.home>

Signed-off-by: Nicolas Pitre <nico@cam.org>
---

diff --git a/index-pack.c b/index-pack.c
index 0a917d7..79f6fd6 100644
--- a/index-pack.c
+++ b/index-pack.c
@@ -878,10 +877,26 @@ int main(int argc, char **argv)
 	char *index_name_buf = NULL, *keep_name_buf = NULL;
 	struct pack_idx_entry **idx_objects;
 	unsigned char pack_sha1[20];
-	int nongit = 0;
 
-	setup_git_directory_gently(&nongit);
-	git_config(git_index_pack_config, NULL);
+	/*
+	 * We wish to read the repository's config file if any, and
+	 * for that it is necessary to call setup_git_directory_gently().
+	 * However if the cwd was inside .git/objects/pack/ then we need
+	 * to go back there or all the pack name arguments will be wrong.
+	 * And in that case we cannot rely on any prefix returned by 
+	 * setup_git_directory_gently() either.
+	 */
+	{
+		char cwd[PATH_MAX+1];
+		int nongit;
+
+		if (!getcwd(cwd, sizeof(cwd)-1))
+			die("Unable to get current working directory");
+		setup_git_directory_gently(&nongit);
+		git_config(git_index_pack_config, NULL);
+		if (chdir(cwd))
+			die("Cannot come back to cwd");
+	}
 
 	for (i = 1; i < argc; i++) {
 		char *arg = argv[i];