Merge branch 'cc/bisect' (early part)

[git.git] / http-push.c

diff --git a/http-push.c b/http-push.c
index 5138224cc372482fb60afd350fa40e37d019f367..c25c4f9176ec266741b4c018558d02ab6b06bebe 100644 (file)
--- a/http-push.c
+++ b/http-push.c
@@ -315,9 +315,9 @@ static void start_fetch_loose(struct transfer_request *request)
                 "%s.temp", filename);
 
        snprintf(prevfile, sizeof(prevfile), "%s.prev", request->filename);
-       unlink(prevfile);
+       unlink_or_warn(prevfile);
        rename(request->tmpfile, prevfile);
-       unlink(request->tmpfile);
+       unlink_or_warn(request->tmpfile);
 
        if (request->local_fileno != -1)
                error("fd leakage in start: %d", request->local_fileno);
@@ -372,7 +372,7 @@ static void start_fetch_loose(struct transfer_request *request)
                } while (prev_read > 0);
                close(prevlocal);
        }
-       unlink(prevfile);
+       unlink_or_warn(prevfile);
 
        /* Reset inflate/SHA1 if there was an error reading the previous temp
           file; also rewind to the beginning of the local file. */
@@ -724,9 +724,11 @@ static void finish_request(struct transfer_request *request)
        struct stat st;
        struct packed_git *target;
        struct packed_git **lst;
+       struct active_request_slot *slot;
 
        request->curl_result = request->slot->curl_result;
        request->http_code = request->slot->http_code;
+       slot = request->slot;
        request->slot = NULL;
 
        /* Keep locks active */
@@ -784,7 +786,7 @@ static void finish_request(struct transfer_request *request)
                    request->http_code != 416) {
                        if (stat(request->tmpfile, &st) == 0) {
                                if (st.st_size == 0)
-                                       unlink(request->tmpfile);
+                                       unlink_or_warn(request->tmpfile);
                        }
                } else {
                        if (request->http_code == 416)
@@ -793,9 +795,9 @@ static void finish_request(struct transfer_request *request)
                        git_inflate_end(&request->stream);
                        git_SHA1_Final(request->real_sha1, &request->c);
                        if (request->zret != Z_STREAM_END) {
-                               unlink(request->tmpfile);
+                               unlink_or_warn(request->tmpfile);
                        } else if (hashcmp(request->obj->sha1, request->real_sha1)) {
-                               unlink(request->tmpfile);
+                               unlink_or_warn(request->tmpfile);
                        } else {
                                request->rename =
                                        move_temp_to_file(
@@ -823,6 +825,7 @@ static void finish_request(struct transfer_request *request)
 
                        fclose(request->local_stream);
                        request->local_stream = NULL;
+                       slot->local = NULL;
                        if (!move_temp_to_file(request->tmpfile,
                                               request->filename)) {
                                target = (struct packed_git *)request->userData;
@@ -1024,17 +1027,20 @@ static int fetch_index(unsigned char *sha1)
                if (results.curl_result != CURLE_OK) {
                        free(url);
                        fclose(indexfile);
+                       slot->local = NULL;
                        return error("Unable to get pack index %s\n%s", url,
                                     curl_errorstr);
                }
        } else {
                free(url);
                fclose(indexfile);
+               slot->local = NULL;
                return error("Unable to start request");
        }
 
        free(url);
        fclose(indexfile);
+       slot->local = NULL;
 
        return move_temp_to_file(tmpfile, filename);
 }
@@ -1415,8 +1421,9 @@ static void remove_locks(void)
 
        fprintf(stderr, "Removing remote locks...\n");
        while (lock) {
+               struct remote_lock *next = lock->next;
                unlock_remote(lock);
-               lock = lock->next;
+               lock = next;
        }
 }
 
@@ -1843,7 +1850,7 @@ static int update_remote(unsigned char *sha1, struct remote_lock *lock)
        return 1;
 }
 
-static struct ref *remote_refs, **remote_tail;
+static struct ref *remote_refs;
 
 static void one_remote_ref(char *refname)
 {
@@ -1873,27 +1880,15 @@ static void one_remote_ref(char *refname)
                }
        }
 
-       *remote_tail = ref;
-       remote_tail = &ref->next;
+       ref->next = remote_refs;
+       remote_refs = ref;
 }
 
 static void get_dav_remote_heads(void)
 {
-       remote_tail = &remote_refs;
        remote_ls("refs/", (PROCESS_FILES | PROCESS_DIRS | RECURSIVE), process_ls_ref, NULL);
 }
 
-static int is_zero_sha1(const unsigned char *sha1)
-{
-       int i;
-
-       for (i = 0; i < 20; i++) {
-               if (*sha1++)
-                       return 0;
-       }
-       return 1;
-}
-
 static void add_remote_info_ref(struct remote_ls_ctx *ls)
 {
        struct strbuf *buf = (struct strbuf *)ls->userData;
@@ -2119,13 +2114,13 @@ static int delete_remote_branch(char *pattern, int force)
                /* Remote HEAD must resolve to a known object */
                if (symref)
                        return error("Remote HEAD symrefs too deep");
-               if (is_zero_sha1(head_sha1))
+               if (is_null_sha1(head_sha1))
                        return error("Unable to resolve remote HEAD");
                if (!has_sha1_file(head_sha1))
                        return error("Remote HEAD resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", sha1_to_hex(head_sha1));
 
                /* Remote branch must resolve to a known object */
-               if (is_zero_sha1(remote_ref->old_sha1))
+               if (is_null_sha1(remote_ref->old_sha1))
                        return error("Unable to resolve remote branch %s",
                                     remote_ref->name);
                if (!has_sha1_file(remote_ref->old_sha1))
@@ -2310,9 +2305,7 @@ int main(int argc, char **argv)
        }
 
        /* match them up */
-       if (!remote_tail)
-               remote_tail = &remote_refs;
-       if (match_refs(local_refs, remote_refs, &remote_tail,
+       if (match_refs(local_refs, &remote_refs,
                       nr_refspec, (const char **) refspec, push_all)) {
                rc = -1;
                goto cleanup;
@@ -2326,14 +2319,14 @@ int main(int argc, char **argv)
        new_refs = 0;
        for (ref = remote_refs; ref; ref = ref->next) {
                char old_hex[60], *new_hex;
-               const char *commit_argv[4];
+               const char *commit_argv[5];
                int commit_argc;
                char *new_sha1_hex, *old_sha1_hex;
 
                if (!ref->peer_ref)
                        continue;
 
-               if (is_zero_sha1(ref->peer_ref->new_sha1)) {
+               if (is_null_sha1(ref->peer_ref->new_sha1)) {
                        if (delete_remote_branch(ref->name, 1) == -1) {
                                error("Could not remove %s", ref->name);
                                rc = -4;
@@ -2349,7 +2342,7 @@ int main(int argc, char **argv)
                }
 
                if (!force_all &&
-                   !is_zero_sha1(ref->old_sha1) &&
+                   !is_null_sha1(ref->old_sha1) &&
                    !ref->force) {
                        if (!has_sha1_file(ref->old_sha1) ||
                            !ref_newer(ref->peer_ref->new_sha1,
@@ -2399,13 +2392,14 @@ int main(int argc, char **argv)
                old_sha1_hex = NULL;
                commit_argv[1] = "--objects";
                commit_argv[2] = new_sha1_hex;
-               if (!push_all && !is_zero_sha1(ref->old_sha1)) {
+               if (!push_all && !is_null_sha1(ref->old_sha1)) {
                        old_sha1_hex = xmalloc(42);
                        sprintf(old_sha1_hex, "^%s",
                                sha1_to_hex(ref->old_sha1));
                        commit_argv[3] = old_sha1_hex;
                        commit_argc++;
                }
+               commit_argv[commit_argc] = NULL;
                init_revisions(&revs, setup_git_directory());
                setup_revisions(commit_argc, commit_argv, &revs, NULL);
                revs.edge_hint = 0; /* just in case */