Add branch --set-upstream

diff --git a/archive.c b/archive.c
index 55b273246e006ad55c51d3e5cb6bed3153ae8cf4..5b88507374f08e118a83fe7479766e078c5616ca 100644 (file)
--- a/archive.c
+++ b/archive.c
@@ -211,10 +211,33 @@ static const struct archiver *lookup_archiver(const char *name)
        return NULL;
 }
 
+static int reject_entry(const unsigned char *sha1, const char *base,
+                       int baselen, const char *filename, unsigned mode,
+                       int stage, void *context)
+{
+       return -1;
+}
+
+static int path_exists(struct tree *tree, const char *path)
+{
+       const char *pathspec[] = { path, NULL };
+
+       if (read_tree_recursive(tree, "", 0, 0, pathspec, reject_entry, NULL))
+               return 1;
+       return 0;
+}
+
 static void parse_pathspec_arg(const char **pathspec,
                struct archiver_args *ar_args)
 {
-       ar_args->pathspec = get_pathspec("", pathspec);
+       ar_args->pathspec = pathspec = get_pathspec("", pathspec);
+       if (pathspec) {
+               while (*pathspec) {
+                       if (!path_exists(ar_args->tree, *pathspec))
+                               die("path not found: %s", *pathspec);
+                       pathspec++;
+               }
+       }
 }
 
 static void parse_treeish_arg(const char **argv,