X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=read-tree.c;h=e3b9c0d9fa1cb5a03d1a3a08f992074293285904;hb=104f3e03c03a83617bac9d120b5e536c5f29d9ef;hp=5fdf58d240e68f2c4b332dbdd02be357641127f8;hpb=79a9d8ea0d88a3667ad19be8e705405ab5d896f1;p=git.git

diff --git a/read-tree.c b/read-tree.c
index 5fdf58d2..e3b9c0d9 100644
--- a/read-tree.c
+++ b/read-tree.c
@@ -237,6 +237,35 @@ static void reject_merge(struct cache_entry *ce)
 	    ce->name);
 }
 
+/* Unlink the last component and attempt to remove leading
+ * directories, in case this unlink is the removal of the
+ * last entry in the directory -- empty directories are removed.
+ */
+static void unlink_entry(char *name)
+{
+	char *cp, *prev;
+
+	if (unlink(name))
+		return;
+	prev = NULL;
+	while (1) {
+		int status;
+		cp = strrchr(name, '/');
+		if (prev)
+			*prev = '/';
+		if (!cp)
+			break;
+
+		*cp = 0;
+		status = rmdir(name);
+		if (status) {
+			*cp = '/';
+			break;
+		}
+		prev = cp;
+	}
+}
+
 static void check_updates(struct cache_entry **src, int nr)
 {
 	static struct checkout state = {
@@ -250,7 +279,7 @@ static void check_updates(struct cache_entry **src, int nr)
 		struct cache_entry *ce = *src++;
 		if (!ce->ce_mode) {
 			if (update)
-				unlink(ce->name);
+				unlink_entry(ce->name);
 			continue;
 		}
 		if (ce->ce_flags & mask) {
@@ -600,10 +629,14 @@ int main(int argc, char **argv)
 	unsigned char sha1[20];
 	merge_fn_t fn = NULL;
 
+	setup_git_directory();
+
 	newfd = hold_index_file_for_update(&cache_file, get_index_file());
 	if (newfd < 0)
 		die("unable to create new cachefile");
 
+	git_config(git_default_config);
+
 	merge = 0;
 	reset = 0;
 	for (i = 1; i < argc; i++) {