stat_opt: check extra strlen call

diff --git a/builtin/merge.c b/builtin/merge.c
index 02a69c14e6abfc51413b397a93180e0890285e2a..428ca247bd17e0f18776b46d40a09282b0b955de 100644 (file)
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -63,7 +63,7 @@ static int verbosity;
 static int allow_rerere_auto;
 static int abort_current_merge;
 static int show_progress = -1;
-static int default_to_upstream;
+static int default_to_upstream = 1;
 static const char *sign_commit;
 
 static struct strategy all_strategy[] = {
@@ -186,13 +186,6 @@ static int option_parse_n(const struct option *opt,
        return 0;
 }
 
-static int option_parse_ff_only(const struct option *opt,
-                         const char *arg, int unset)
-{
-       fast_forward = FF_ONLY;
-       return 0;
-}
-
 static struct option builtin_merge_options[] = {
        { OPTION_CALLBACK, 'n', NULL, NULL, NULL,
                N_("do not show a diffstat at the end of the merge"),
@@ -210,9 +203,9 @@ static struct option builtin_merge_options[] = {
        OPT_BOOL('e', "edit", &option_edit,
                N_("edit message before committing")),
        OPT_SET_INT(0, "ff", &fast_forward, N_("allow fast-forward (default)"), FF_ALLOW),
-       { OPTION_CALLBACK, 0, "ff-only", NULL, NULL,
+       { OPTION_SET_INT, 0, "ff-only", &fast_forward, NULL,
                N_("abort if fast-forward is not possible"),
-               PARSE_OPT_NOARG | PARSE_OPT_NONEG, option_parse_ff_only },
+               PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, FF_ONLY },
        OPT_RERERE_AUTOUPDATE(&allow_rerere_auto),
        OPT_BOOL(0, "verify-signatures", &verify_signatures,
                N_("Verify that the named commit has a valid GPG signature")),
@@ -227,7 +220,7 @@ static struct option builtin_merge_options[] = {
        OPT_BOOL(0, "abort", &abort_current_merge,
                N_("abort the current in-progress merge")),
        OPT_SET_INT(0, "progress", &show_progress, N_("force progress reporting"), 1),
-       { OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key id"),
+       { OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key-id"),
          N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
        OPT_BOOL(0, "overwrite-ignore", &overwrite_ignore, N_("update ignored files (default)")),
        OPT_END()
@@ -374,7 +367,7 @@ static void squash_message(struct commit *commit, struct commit_list *remotehead
                        sha1_to_hex(commit->object.sha1));
                pretty_print_commit(&ctx, commit, &out);
        }
-       if (write(fd, out.buf, out.len) < 0)
+       if (write_in_full(fd, out.buf, out.len) != out.len)
                die_errno(_("Writing SQUASH_MSG"));
        if (close(fd))
                die_errno(_("Finishing SQUASH_MSG"));
@@ -405,7 +398,7 @@ static void finish(struct commit *head_commit,
                        const char *argv_gc_auto[] = { "gc", "--auto", NULL };
                        update_ref(reflog_message.buf, "HEAD",
                                new_head, head, 0,
-                               DIE_ON_ERR);
+                               UPDATE_REFS_DIE_ON_ERR);
                        /*
                         * We ignore errors in 'gc --auto', since the
                         * user should see them.
@@ -428,7 +421,7 @@ static void finish(struct commit *head_commit,
        }
 
        /* Run a post-merge hook */
-       run_hook(NULL, "post-merge", squash ? "1" : "0", NULL);
+       run_hook_le(NULL, "post-merge", squash ? "1" : "0", NULL);
 
        strbuf_release(&reflog_message);
 }
@@ -453,17 +446,17 @@ static void merge_name(const char *remote, struct strbuf *msg)
                die(_("'%s' does not point to a commit"), remote);
 
        if (dwim_ref(remote, strlen(remote), branch_head, &found_ref) > 0) {
-               if (!prefixcmp(found_ref, "refs/heads/")) {
+               if (starts_with(found_ref, "refs/heads/")) {
                        strbuf_addf(msg, "%s\t\tbranch '%s' of .\n",
                                    sha1_to_hex(branch_head), remote);
                        goto cleanup;
                }
-               if (!prefixcmp(found_ref, "refs/tags/")) {
+               if (starts_with(found_ref, "refs/tags/")) {
                        strbuf_addf(msg, "%s\t\ttag '%s' of .\n",
                                    sha1_to_hex(branch_head), remote);
                        goto cleanup;
                }
-               if (!prefixcmp(found_ref, "refs/remotes/")) {
+               if (starts_with(found_ref, "refs/remotes/")) {
                        strbuf_addf(msg, "%s\t\tremote-tracking branch '%s' of .\n",
                                    sha1_to_hex(branch_head), remote);
                        goto cleanup;
@@ -577,8 +570,8 @@ static int git_merge_config(const char *k, const char *v, void *cb)
 {
        int status;
 
-       if (branch && !prefixcmp(k, "branch.") &&
-               !prefixcmp(k + 7, branch) &&
+       if (branch && starts_with(k, "branch.") &&
+               starts_with(k + 7, branch) &&
                !strcmp(k + 7 + strlen(branch), ".mergeoptions")) {
                free(branch_mergeoptions);
                branch_mergeoptions = xstrdup(v);
@@ -604,6 +597,9 @@ static int git_merge_config(const char *k, const char *v, void *cb)
        } else if (!strcmp(k, "merge.defaulttoupstream")) {
                default_to_upstream = git_config_bool(k, v);
                return 0;
+       } else if (!strcmp(k, "commit.gpgsign")) {
+               sign_commit = git_config_bool(k, v) ? "" : NULL;
+               return 0;
        }
 
        status = fmt_merge_msg_config(k, v, cb);
@@ -828,8 +824,8 @@ static void prepare_to_commit(struct commit_list *remoteheads)
        if (0 < option_edit)
                strbuf_commented_addf(&msg, _(merge_editor_comment), comment_line_char);
        write_merge_msg(&msg);
-       if (run_hook(get_index_file(), "prepare-commit-msg",
-                    git_path("MERGE_MSG"), "merge", NULL, NULL))
+       if (run_commit_hook(0 < option_edit, get_index_file(), "prepare-commit-msg",
+                           git_path("MERGE_MSG"), "merge", NULL))
                abort_commit(remoteheads, NULL);
        if (0 < option_edit) {
                if (launch_editor(git_path("MERGE_MSG"), NULL, NULL))
@@ -1113,7 +1109,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
         * current branch.
         */
        branch = branch_to_free = resolve_refdup("HEAD", head_sha1, 0, &flag);
-       if (branch && !prefixcmp(branch, "refs/heads/"))
+       if (branch && starts_with(branch, "refs/heads/"))
                branch += 11;
        if (!branch || is_null_sha1(head_sha1))
                head_commit = NULL;
@@ -1226,7 +1222,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
                        die(_("%s - not something we can merge"), argv[0]);
                read_empty(remote_head->object.sha1, 0);
                update_ref("initial pull", "HEAD", remote_head->object.sha1,
-                          NULL, 0, DIE_ON_ERR);
+                          NULL, 0, UPDATE_REFS_DIE_ON_ERR);
                goto done;
        } else {
                struct strbuf merge_names = STRBUF_INIT;
@@ -1343,7 +1339,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
        }
 
        update_ref("updating ORIG_HEAD", "ORIG_HEAD", head_commit->object.sha1,
-                  NULL, 0, DIE_ON_ERR);
+                  NULL, 0, UPDATE_REFS_DIE_ON_ERR);
 
        if (remoteheads && !common)
                ; /* No common ancestors found. We need a real merge. */