Merge branch 'jk/path-name-safety-2.6' into jk/path-name-safety-2.7

diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index bcb624bc054833cd8f4d15e47ee96b31fa79f754..c8e32b297c4be68bb0d33a6a88c15470821ae4ea 100644 (file)
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -195,9 +195,6 @@ static int receive_pack_config(const char *var, const char *value, void *cb)
 
 static void show_ref(const char *path, const unsigned char *sha1)
 {
-       if (ref_is_hidden(path))
-               return;
-
        if (sent_capabilities) {
                packet_write(1, "%s %s\n", sha1_to_hex(sha1), path);
        } else {
@@ -219,9 +216,14 @@ static void show_ref(const char *path, const unsigned char *sha1)
        }
 }
 
-static int show_ref_cb(const char *path, const struct object_id *oid, int flag, void *unused)
+static int show_ref_cb(const char *path_full, const struct object_id *oid,
+                      int flag, void *unused)
 {
-       path = strip_namespace(path);
+       const char *path = strip_namespace(path_full);
+
+       if (ref_is_hidden(path, path_full))
+               return 0;
+
        /*
         * Advertise refs outside our current namespace as ".have"
         * refs, so that the client can use them to minimize data
@@ -244,7 +246,7 @@ static void show_one_alternate_sha1(const unsigned char sha1[20], void *unused)
 static void collect_one_alternate_ref(const struct ref *ref, void *data)
 {
        struct sha1_array *sa = data;
-       sha1_array_append(sa, ref->old_sha1);
+       sha1_array_append(sa, ref->old_oid.hash);
 }
 
 static void write_head_info(void)
@@ -1029,7 +1031,6 @@ static void run_update_post_hook(struct command *commands)
 {
        struct command *cmd;
        int argc;
-       const char **argv;
        struct child_process proc = CHILD_PROCESS_INIT;
        const char *hook;
 
@@ -1042,21 +1043,16 @@ static void run_update_post_hook(struct command *commands)
        if (!argc || !hook)
                return;
 
-       argv = xmalloc(sizeof(*argv) * (2 + argc));
-       argv[0] = hook;
-
-       for (argc = 1, cmd = commands; cmd; cmd = cmd->next) {
+       argv_array_push(&proc.args, hook);
+       for (cmd = commands; cmd; cmd = cmd->next) {
                if (cmd->error_string || cmd->did_not_exist)
                        continue;
-               argv[argc] = xstrdup(cmd->ref_name);
-               argc++;
+               argv_array_push(&proc.args, cmd->ref_name);
        }
-       argv[argc] = NULL;
 
        proc.no_stdin = 1;
        proc.stdout_to_stderr = 1;
        proc.err = use_sideband ? -1 : 0;
-       proc.argv = argv;
 
        if (!start_command(&proc)) {
                if (use_sideband)
@@ -1195,16 +1191,29 @@ static int iterate_receive_command_list(void *cb_data, unsigned char sha1[20])
 
 static void reject_updates_to_hidden(struct command *commands)
 {
+       struct strbuf refname_full = STRBUF_INIT;
+       size_t prefix_len;
        struct command *cmd;
 
+       strbuf_addstr(&refname_full, get_git_namespace());
+       prefix_len = refname_full.len;
+
        for (cmd = commands; cmd; cmd = cmd->next) {
-               if (cmd->error_string || !ref_is_hidden(cmd->ref_name))
+               if (cmd->error_string)
+                       continue;
+
+               strbuf_setlen(&refname_full, prefix_len);
+               strbuf_addstr(&refname_full, cmd->ref_name);
+
+               if (!ref_is_hidden(cmd->ref_name, refname_full.buf))
                        continue;
                if (is_null_sha1(cmd->new_sha1))
                        cmd->error_string = "deny deleting a hidden ref";
                else
                        cmd->error_string = "deny updating a hidden ref";
        }
+
+       strbuf_release(&refname_full);
 }
 
 static int should_process_cmd(struct command *cmd)
@@ -1363,7 +1372,7 @@ static struct command **queue_command(struct command **tail,
 
        refname = line + 82;
        reflen = linelen - 82;
-       cmd = xcalloc(1, sizeof(struct command) + reflen + 1);
+       cmd = xcalloc(1, st_add3(sizeof(struct command), reflen, 1));
        hashcpy(cmd->old_sha1, old_sha1);
        hashcpy(cmd->new_sha1, new_sha1);
        memcpy(cmd->ref_name, refname, reflen);
@@ -1582,8 +1591,7 @@ static void prepare_shallow_update(struct command *commands,
 {
        int i, j, k, bitmap_size = (si->ref->nr + 31) / 32;
 
-       si->used_shallow = xmalloc(sizeof(*si->used_shallow) *
-                                  si->shallow->nr);
+       ALLOC_ARRAY(si->used_shallow, si->shallow->nr);
        assign_shallow_commits_to_refs(si, si->used_shallow, NULL);
 
        si->need_reachability_test =
@@ -1603,7 +1611,7 @@ static void prepare_shallow_update(struct command *commands,
                                continue;
                        si->need_reachability_test[i]++;
                        for (k = 0; k < 32; k++)
-                               if (si->used_shallow[i][j] & (1 << k))
+                               if (si->used_shallow[i][j] & (1U << k))
                                        si->shallow_ref[j * 32 + k]++;
                }
 
@@ -1649,7 +1657,7 @@ static void update_shallow_info(struct command *commands,
                return;
        }
 
-       ref_status = xmalloc(sizeof(*ref_status) * ref->nr);
+       ALLOC_ARRAY(ref_status, ref->nr);
        assign_shallow_commits_to_refs(si, NULL, ref_status);
        for (cmd = commands; cmd; cmd = cmd->next) {
                if (is_null_sha1(cmd->new_sha1))
@@ -1781,6 +1789,7 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
                                "gc", "--auto", "--quiet", NULL,
                        };
                        int opt = RUN_GIT_CMD | RUN_COMMAND_STDOUT_TO_STDERR;
+                       close_all_packs();
                        run_command_v_opt(argv_gc_auto, opt);
                }
                if (auto_update_server_info)