commit, merge: initialize static strbuf

[git.git] / builtin-fetch.c

diff --git a/builtin-fetch.c b/builtin-fetch.c
index e81ee2d02b588c83f9ac355d20559271be73871d..7eec4a0e43ad5760f1060a7d5bcf2a5083015130 100644 (file)
--- a/builtin-fetch.c
+++ b/builtin-fetch.c
@@ -5,14 +5,14 @@
 #include "refs.h"
 #include "commit.h"
 #include "builtin.h"
-#include "path-list.h"
+#include "string-list.h"
 #include "remote.h"
 #include "transport.h"
 #include "run-command.h"
 #include "parse-options.h"
 
 static const char * const builtin_fetch_usage[] = {
-       "git-fetch [options] [<repository> <refspec>...]",
+       "git fetch [options] [<repository> <refspec>...]",
        NULL
 };
 
@@ -181,9 +181,9 @@ static int s_update_ref(const char *action,
        lock = lock_any_ref_for_update(ref->name,
                                       check_old ? ref->old_sha1 : NULL, 0);
        if (!lock)
-               return 1;
+               return 2;
        if (write_ref_sha1(lock, ref->new_sha1, msg) < 0)
-               return 1;
+               return 2;
        return 0;
 }
 
@@ -233,10 +233,12 @@ static int update_local_ref(struct ref *ref,
 
        if (!is_null_sha1(ref->old_sha1) &&
            !prefixcmp(ref->name, "refs/tags/")) {
-               sprintf(display, "- %-*s %-*s -> %s",
+               int r;
+               r = s_update_ref("updating tag", ref, 0);
+               sprintf(display, "%c %-*s %-*s -> %s%s", r ? '!' : '-',
                        SUMMARY_WIDTH, "[tag update]", REFCOL_WIDTH, remote,
-                       pretty_ref);
-               return s_update_ref("updating tag", ref, 0);
+                       pretty_ref, r ? "  (unable to update local ref)" : "");
+               return r;
        }
 
        current = lookup_commit_reference_gently(ref->old_sha1, 1);
@@ -244,6 +246,7 @@ static int update_local_ref(struct ref *ref,
        if (!current || !updated) {
                const char *msg;
                const char *what;
+               int r;
                if (!strncmp(ref->name, "refs/tags/", 10)) {
                        msg = "storing tag";
                        what = "[new tag]";
@@ -253,27 +256,36 @@ static int update_local_ref(struct ref *ref,
                        what = "[new branch]";
                }
 
-               sprintf(display, "* %-*s %-*s -> %s", SUMMARY_WIDTH, what,
-                       REFCOL_WIDTH, remote, pretty_ref);
-               return s_update_ref(msg, ref, 0);
+               r = s_update_ref(msg, ref, 0);
+               sprintf(display, "%c %-*s %-*s -> %s%s", r ? '!' : '*',
+                       SUMMARY_WIDTH, what, REFCOL_WIDTH, remote, pretty_ref,
+                       r ? "  (unable to update local ref)" : "");
+               return r;
        }
 
        if (in_merge_bases(current, &updated, 1)) {
                char quickref[83];
+               int r;
                strcpy(quickref, find_unique_abbrev(current->object.sha1, DEFAULT_ABBREV));
                strcat(quickref, "..");
                strcat(quickref, find_unique_abbrev(ref->new_sha1, DEFAULT_ABBREV));
-               sprintf(display, "  %-*s %-*s -> %s", SUMMARY_WIDTH, quickref,
-                       REFCOL_WIDTH, remote, pretty_ref);
-               return s_update_ref("fast forward", ref, 1);
+               r = s_update_ref("fast forward", ref, 1);
+               sprintf(display, "%c %-*s %-*s -> %s%s", r ? '!' : ' ',
+                       SUMMARY_WIDTH, quickref, REFCOL_WIDTH, remote,
+                       pretty_ref, r ? "  (unable to update local ref)" : "");
+               return r;
        } else if (force || ref->force) {
                char quickref[84];
+               int r;
                strcpy(quickref, find_unique_abbrev(current->object.sha1, DEFAULT_ABBREV));
                strcat(quickref, "...");
                strcat(quickref, find_unique_abbrev(ref->new_sha1, DEFAULT_ABBREV));
-               sprintf(display, "+ %-*s %-*s -> %s  (forced update)",
-                       SUMMARY_WIDTH, quickref, REFCOL_WIDTH, remote, pretty_ref);
-               return s_update_ref("forced-update", ref, 1);
+               r = s_update_ref("forced-update", ref, 1);
+               sprintf(display, "%c %-*s %-*s -> %s  (%s)", r ? '!' : '+',
+                       SUMMARY_WIDTH, quickref, REFCOL_WIDTH, remote,
+                       pretty_ref,
+                       r ? "unable to update local ref" : "forced update");
+               return r;
        } else {
                sprintf(display, "! %-*s %-*s -> %s  (non fast forward)",
                        SUMMARY_WIDTH, "[rejected]", REFCOL_WIDTH, remote,
@@ -282,7 +294,8 @@ static int update_local_ref(struct ref *ref,
        }
 }
 
-static int store_updated_refs(const char *url, struct ref *ref_map)
+static int store_updated_refs(const char *url, const char *remote_name,
+               struct ref *ref_map)
 {
        FILE *fp;
        struct commit *commit;
@@ -368,6 +381,10 @@ static int store_updated_refs(const char *url, struct ref *ref_map)
                }
        }
        fclose(fp);
+       if (rc & 2)
+               error("some local refs could not be updated; try running\n"
+                     " 'git remote prune %s' to remove any old, conflicting "
+                     "branches", remote_name);
        return rc;
 }
 
@@ -438,7 +455,9 @@ static int fetch_refs(struct transport *transport, struct ref *ref_map)
        if (ret)
                ret = transport_fetch_refs(transport, ref_map);
        if (!ret)
-               ret |= store_updated_refs(transport->url, ref_map);
+               ret |= store_updated_refs(transport->url,
+                               transport->remote->name,
+                               ref_map);
        transport_unlock_pack(transport);
        return ret;
 }
@@ -446,8 +465,8 @@ static int fetch_refs(struct transport *transport, struct ref *ref_map)
 static int add_existing(const char *refname, const unsigned char *sha1,
                        int flag, void *cbdata)
 {
-       struct path_list *list = (struct path_list *)cbdata;
-       path_list_insert(refname, list);
+       struct string_list *list = (struct string_list *)cbdata;
+       string_list_insert(refname, list);
        return 0;
 }
 
@@ -466,8 +485,8 @@ static void find_non_local_tags(struct transport *transport,
                        struct ref **head,
                        struct ref ***tail)
 {
-       struct path_list existing_refs = { NULL, 0, 0, 0 };
-       struct path_list new_refs = { NULL, 0, 0, 1 };
+       struct string_list existing_refs = { NULL, 0, 0, 0 };
+       struct string_list new_refs = { NULL, 0, 0, 1 };
        char *ref_name;
        int ref_name_len;
        const unsigned char *ref_sha1;
@@ -496,11 +515,11 @@ static void find_non_local_tags(struct transport *transport,
                        }
                }
 
-               if (!path_list_has_path(&existing_refs, ref_name) &&
-                   !path_list_has_path(&new_refs, ref_name) &&
+               if (!string_list_has_string(&existing_refs, ref_name) &&
+                   !string_list_has_string(&new_refs, ref_name) &&
                    (has_sha1_file(ref->old_sha1) ||
                     will_fetch(head, ref->old_sha1))) {
-                       path_list_insert(ref_name, &new_refs);
+                       string_list_insert(ref_name, &new_refs);
 
                        rm = alloc_ref_from_str(ref_name);
                        rm->peer_ref = alloc_ref_from_str(ref_name);
@@ -511,8 +530,8 @@ static void find_non_local_tags(struct transport *transport,
                }
                free(ref_name);
        }
-       path_list_clear(&existing_refs, 0);
-       path_list_clear(&new_refs, 0);
+       string_list_clear(&existing_refs, 0);
+       string_list_clear(&new_refs, 0);
 }
 
 static int do_fetch(struct transport *transport,