merge-file: handle freopen() failure

[git.git] / builtin-fetch.c

diff --git a/builtin-fetch.c b/builtin-fetch.c
index ee93d3a93da0267caa485fa552c29d779aecfdf7..7568163af24df630c215e05b6082ed764150a315 100644 (file)
--- a/builtin-fetch.c
+++ b/builtin-fetch.c
@@ -22,7 +22,7 @@ enum {
        TAGS_SET = 2
 };
 
-static int append, force, keep, update_head_ok, verbose, quiet;
+static int append, force, keep, update_head_ok, verbosity;
 static int tags = TAGS_DEFAULT;
 static const char *depth;
 static const char *upload_pack;
@@ -30,8 +30,7 @@ static struct strbuf default_rla = STRBUF_INIT;
 static struct transport *transport;
 
 static struct option builtin_fetch_options[] = {
-       OPT__QUIET(&quiet),
-       OPT__VERBOSE(&verbose),
+       OPT__VERBOSITY(&verbosity),
        OPT_BOOLEAN('a', "append", &append,
                    "append to .git/FETCH_HEAD instead of overwriting"),
        OPT_STRING(0, "upload-pack", &upload_pack, "PATH",
@@ -192,7 +191,6 @@ static int s_update_ref(const char *action,
 
 static int update_local_ref(struct ref *ref,
                            const char *remote,
-                           int verbose,
                            char *display)
 {
        struct commit *current = NULL, *updated;
@@ -210,7 +208,7 @@ static int update_local_ref(struct ref *ref,
                die("object %s not found", sha1_to_hex(ref->new_sha1));
 
        if (!hashcmp(ref->old_sha1, ref->new_sha1)) {
-               if (verbose)
+               if (verbosity > 0)
                        sprintf(display, "= %-*s %-*s -> %s", SUMMARY_WIDTH,
                                "[up to date]", REFCOL_WIDTH, remote,
                                pretty_ref);
@@ -366,18 +364,19 @@ static int store_updated_refs(const char *url, const char *remote_name,
                        note);
 
                if (ref)
-                       rc |= update_local_ref(ref, what, verbose, note);
+                       rc |= update_local_ref(ref, what, note);
                else
                        sprintf(note, "* %-*s %-*s -> FETCH_HEAD",
                                SUMMARY_WIDTH, *kind ? kind : "branch",
                                 REFCOL_WIDTH, *what ? what : "HEAD");
                if (*note) {
-                       if (!shown_url) {
+                       if (verbosity >= 0 && !shown_url) {
                                fprintf(stderr, "From %.*s\n",
                                                url_len, url);
                                shown_url = 1;
                        }
-                       fprintf(stderr, " %s\n", note);
+                       if (verbosity >= 0)
+                               fprintf(stderr, " %s\n", note);
                }
        }
        fclose(fp);
@@ -521,8 +520,8 @@ static void find_non_local_tags(struct transport *transport,
                     will_fetch(head, ref->old_sha1))) {
                        string_list_insert(ref_name, &new_refs);
 
-                       rm = alloc_ref_from_str(ref_name);
-                       rm->peer_ref = alloc_ref_from_str(ref_name);
+                       rm = alloc_ref(ref_name);
+                       rm->peer_ref = alloc_ref(ref_name);
                        hashcpy(rm->old_sha1, ref_sha1);
 
                        **tail = rm;
@@ -534,6 +533,19 @@ static void find_non_local_tags(struct transport *transport,
        string_list_clear(&new_refs, 0);
 }
 
+static void check_not_current_branch(struct ref *ref_map)
+{
+       struct branch *current_branch = branch_get(NULL);
+
+       if (is_bare_repository() || !current_branch)
+               return;
+
+       for (; ref_map; ref_map = ref_map->next)
+               if (ref_map->peer_ref && !strcmp(current_branch->refname,
+                                       ref_map->peer_ref->name))
+                       die("Refusing to fetch into current branch");
+}
+
 static int do_fetch(struct transport *transport,
                    struct refspec *refs, int ref_count)
 {
@@ -558,6 +570,8 @@ static int do_fetch(struct transport *transport,
        }
 
        ref_map = get_ref_map(transport, refs, ref_count, tags, &autotags);
+       if (!update_head_ok)
+               check_not_current_branch(ref_map);
 
        for (rm = ref_map; rm; rm = rm->next) {
                if (rm->peer_ref)
@@ -622,9 +636,9 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
                remote = remote_get(argv[0]);
 
        transport = transport_get(remote, remote->url[0]);
-       if (verbose >= 2)
+       if (verbosity >= 2)
                transport->verbose = 1;
-       if (quiet)
+       if (verbosity < 0)
                transport->verbose = -1;
        if (upload_pack)
                set_option(TRANS_OPT_UPLOADPACK, upload_pack);