fetch --all/--multiple: keep all the fetched branch information

diff --git a/builtin-fetch.c b/builtin-fetch.c
index 61b2e4060c0802492520cf94f23d2063e24de684..b059d652c6c04cc1d09395698b7d00ed793872cb 100644 (file)
--- a/builtin-fetch.c
+++ b/builtin-fetch.c
@@ -651,6 +651,17 @@ static void check_not_current_branch(struct ref *ref_map)
                            "of non-bare repository", current_branch->refname);
 }
 
+static int truncate_fetch_head(void)
+{
+       char *filename = git_path("FETCH_HEAD");
+       FILE *fp = fopen(filename, "w");
+
+       if (!fp)
+               return error("cannot open %s: %s\n", filename, strerror(errno));
+       fclose(fp);
+       return 0;
+}
+
 static int do_fetch(struct transport *transport,
                    struct refspec *refs, int ref_count)
 {
@@ -672,11 +683,9 @@ static int do_fetch(struct transport *transport,
 
        /* if not appending, truncate FETCH_HEAD */
        if (!append && !dry_run) {
-               char *filename = git_path("FETCH_HEAD");
-               FILE *fp = fopen(filename, "w");
-               if (!fp)
-                       return error("cannot open %s: %s\n", filename, strerror(errno));
-               fclose(fp);
+               int errcode = truncate_fetch_head();
+               if (errcode)
+                       return errcode;
        }
 
        ref_map = get_ref_map(transport, refs, ref_count, tags, &autotags);
@@ -784,8 +793,8 @@ static int add_remote_or_group(const char *name, struct string_list *list)
 static int fetch_multiple(struct string_list *list)
 {
        int i, result = 0;
-       const char *argv[10] = { "fetch" };
-       int argc = 1;
+       const char *argv[11] = { "fetch", "--append" };
+       int argc = 2;
 
        if (dry_run)
                argv[argc++] = "--dry-run";
@@ -804,6 +813,12 @@ static int fetch_multiple(struct string_list *list)
        else if (verbosity < 0)
                argv[argc++] = "-q";
 
+       if (!append && !dry_run) {
+               int errcode = truncate_fetch_head();
+               if (errcode)
+                       return errcode;
+       }
+
        for (i = 0; i < list->nr; i++) {
                const char *name = list->items[i].string;
                argv[argc] = name;