pull --rebase: exit early when the working directory is dirty

diff --git a/http-push.c b/http-push.c
index e3e34decd2d4bf3443a00026a5c63c9f93f38802..42727c8a45c7b50e8e6b2b04a0799c9ba85a0114 100644 (file)
--- a/http-push.c
+++ b/http-push.c
@@ -664,8 +664,7 @@ static void release_request(struct transfer_request *request)
                close(request->local_fileno);
        if (request->local_stream)
                fclose(request->local_stream);
-       if (request->url != NULL)
-               free(request->url);
+       free(request->url);
        free(request);
 }
 
@@ -1283,10 +1282,8 @@ static struct remote_lock *lock_remote(const char *path, long timeout)
        strbuf_release(&in_buffer);
 
        if (lock->token == NULL || lock->timeout <= 0) {
-               if (lock->token != NULL)
-                       free(lock->token);
-               if (lock->owner != NULL)
-                       free(lock->owner);
+               free(lock->token);
+               free(lock->owner);
                free(url);
                free(lock);
                lock = NULL;
@@ -1344,8 +1341,7 @@ static int unlock_remote(struct remote_lock *lock)
                        prev->next = prev->next->next;
        }
 
-       if (lock->owner != NULL)
-               free(lock->owner);
+       free(lock->owner);
        free(lock->url);
        free(lock->token);
        free(lock);
@@ -1763,15 +1759,15 @@ static int one_local_ref(const char *refname, const unsigned char *sha1, int fla
 static void one_remote_ref(char *refname)
 {
        struct ref *ref;
-       unsigned char remote_sha1[20];
        struct object *obj;
-       int len = strlen(refname) + 1;
 
-       if (http_fetch_ref(remote->url, refname + 5 /* "refs/" */,
-                          remote_sha1) != 0) {
+       ref = alloc_ref_from_str(refname);
+
+       if (http_fetch_ref(remote->url, ref) != 0) {
                fprintf(stderr,
                        "Unable to fetch ref %s from %s\n",
                        refname, remote->url);
+               free(ref);
                return;
        }
 
@@ -1779,18 +1775,15 @@ static void one_remote_ref(char *refname)
         * Fetch a copy of the object if it doesn't exist locally - it
         * may be required for updating server info later.
         */
-       if (remote->can_update_info_refs && !has_sha1_file(remote_sha1)) {
-               obj = lookup_unknown_object(remote_sha1);
+       if (remote->can_update_info_refs && !has_sha1_file(ref->old_sha1)) {
+               obj = lookup_unknown_object(ref->old_sha1);
                if (obj) {
                        fprintf(stderr, "  fetch %s for %s\n",
-                               sha1_to_hex(remote_sha1), refname);
+                               sha1_to_hex(ref->old_sha1), refname);
                        add_fetch_request(obj);
                }
        }
 
-       ref = xcalloc(1, sizeof(*ref) + len);
-       hashcpy(ref->old_sha1, remote_sha1);
-       memcpy(ref->name, refname, len);
        *remote_tail = ref;
        remote_tail = &ref->next;
 }
@@ -1895,33 +1888,36 @@ static void mark_edges_uninteresting(struct commit_list *list)
 static void add_remote_info_ref(struct remote_ls_ctx *ls)
 {
        struct strbuf *buf = (struct strbuf *)ls->userData;
-       unsigned char remote_sha1[20];
        struct object *o;
        int len;
        char *ref_info;
+       struct ref *ref;
+
+       ref = alloc_ref_from_str(ls->dentry_name);
 
-       if (http_fetch_ref(remote->url, ls->dentry_name + 5 /* "refs/" */,
-                          remote_sha1) != 0) {
+       if (http_fetch_ref(remote->url, ref) != 0) {
                fprintf(stderr,
                        "Unable to fetch ref %s from %s\n",
                        ls->dentry_name, remote->url);
                aborted = 1;
+               free(ref);
                return;
        }
 
-       o = parse_object(remote_sha1);
+       o = parse_object(ref->old_sha1);
        if (!o) {
                fprintf(stderr,
                        "Unable to parse object %s for remote ref %s\n",
-                       sha1_to_hex(remote_sha1), ls->dentry_name);
+                       sha1_to_hex(ref->old_sha1), ls->dentry_name);
                aborted = 1;
+               free(ref);
                return;
        }
 
        len = strlen(ls->dentry_name) + 42;
        ref_info = xcalloc(len + 1, 1);
        sprintf(ref_info, "%s   %s\n",
-               sha1_to_hex(remote_sha1), ls->dentry_name);
+               sha1_to_hex(ref->old_sha1), ls->dentry_name);
        fwrite_buffer(ref_info, 1, len, buf);
        free(ref_info);
 
@@ -1936,6 +1932,7 @@ static void add_remote_info_ref(struct remote_ls_ctx *ls)
                        free(ref_info);
                }
        }
+       free(ref);
 }
 
 static void update_remote_info_refs(struct remote_lock *lock)
@@ -2035,8 +2032,7 @@ static void fetch_symref(const char *path, char **symref, unsigned char *sha1)
        }
        free(url);
 
-       if (*symref != NULL)
-               free(*symref);
+       free(*symref);
        *symref = NULL;
        hashclr(sha1);
 
@@ -2138,6 +2134,8 @@ static int delete_remote_branch(char *pattern, int force)
 
        /* Send delete request */
        fprintf(stderr, "Removing remote branch '%s'\n", remote_ref->name);
+       if (dry_run)
+               return 0;
        url = xmalloc(strlen(remote->url) + strlen(remote_ref->name) + 1);
        sprintf(url, "%s%s", remote->url, remote_ref->name);
        slot = get_active_slot();
@@ -2311,6 +2309,16 @@ int main(int argc, char **argv)
 
                if (!ref->peer_ref)
                        continue;
+
+               if (is_zero_sha1(ref->peer_ref->new_sha1)) {
+                       if (delete_remote_branch(ref->name, 1) == -1) {
+                               error("Could not remove %s", ref->name);
+                               rc = -4;
+                       }
+                       new_refs++;
+                       continue;
+               }
+
                if (!hashcmp(ref->old_sha1, ref->peer_ref->new_sha1)) {
                        if (push_verbosely || 1)
                                fprintf(stderr, "'%s': up-to-date\n", ref->name);
@@ -2342,11 +2350,6 @@ int main(int argc, char **argv)
                        }
                }
                hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
-               if (is_zero_sha1(ref->new_sha1)) {
-                       error("cannot happen anymore");
-                       rc = -3;
-                       continue;
-               }
                new_refs++;
                strcpy(old_hex, sha1_to_hex(ref->old_sha1));
                new_hex = sha1_to_hex(ref->new_sha1);
@@ -2390,7 +2393,8 @@ int main(int argc, char **argv)
 
                /* Generate a list of objects that need to be pushed */
                pushing = 0;
-               prepare_revision_walk(&revs);
+               if (prepare_revision_walk(&revs))
+                       die("revision walk setup failed");
                mark_edges_uninteresting(revs.commits);
                objects_to_send = get_delta(&revs, ref_lock);
                finish_all_active_slots();
@@ -2434,8 +2438,7 @@ int main(int argc, char **argv)
        }
 
  cleanup:
-       if (rewritten_url)
-               free(rewritten_url);
+       free(rewritten_url);
        if (info_ref_lock)
                unlock_remote(info_ref_lock);
        free(remote);