Documentation/git-read-tree: clarify 2-tree merge
[gitweb.git] / builtin-fetch.c
index 8654fa7a2dbe2c1ca76a493a4322447de5219b99..b059d652c6c04cc1d09395698b7d00ed793872cb 100644 (file)
@@ -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);
@@ -784,13 +793,19 @@ 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[] = { "fetch", NULL, NULL, NULL, NULL, NULL, NULL };
-       int argc = 1;
+       const char *argv[11] = { "fetch", "--append" };
+       int argc = 2;
 
        if (dry_run)
                argv[argc++] = "--dry-run";
        if (prune)
                argv[argc++] = "--prune";
+       if (update_head_ok)
+               argv[argc++] = "--update-head-ok";
+       if (force)
+               argv[argc++] = "--force";
+       if (keep)
+               argv[argc++] = "--keep";
        if (verbosity >= 2)
                argv[argc++] = "-v";
        if (verbosity >= 1)
@@ -798,9 +813,16 @@ 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;
+               argv[argc + 1] = NULL;
                if (verbosity >= 0)
                        printf("Fetching %s\n", name);
                if (run_command_v_opt(argv, RUN_GIT_CMD)) {