Merge branch 'jt/send-email-validate-hook'
[gitweb.git] / builtin / am.c
index 8dfe8f84fa461dd37850fecebcfe5a6943f789b3..0f63dcab1610f111f19b513eea47089132c1c702 100644 (file)
@@ -134,17 +134,15 @@ struct am_state {
 };
 
 /**
- * Initializes am_state with the default values. The state directory is set to
- * dir.
+ * Initializes am_state with the default values.
  */
-static void am_state_init(struct am_state *state, const char *dir)
+static void am_state_init(struct am_state *state)
 {
        int gpgsign;
 
        memset(state, 0, sizeof(*state));
 
-       assert(dir);
-       state->dir = xstrdup(dir);
+       state->dir = git_pathdup("rebase-apply");
 
        state->prec = 4;
 
@@ -762,14 +760,18 @@ static int split_mail_conv(mail_conv_fn fn, struct am_state *state,
                mail = mkpath("%s/%0*d", state->dir, state->prec, i + 1);
 
                out = fopen(mail, "w");
-               if (!out)
+               if (!out) {
+                       if (in != stdin)
+                               fclose(in);
                        return error_errno(_("could not open '%s' for writing"),
                                           mail);
+               }
 
                ret = fn(out, in, keep_cr);
 
                fclose(out);
-               fclose(in);
+               if (in != stdin)
+                       fclose(in);
 
                if (ret)
                        return error(_("could not parse patch '%s'"), *paths);
@@ -877,12 +879,12 @@ static int hg_patch_to_mail(FILE *out, FILE *in, int keep_cr)
                if (skip_prefix(sb.buf, "# User ", &str))
                        fprintf(out, "From: %s\n", str);
                else if (skip_prefix(sb.buf, "# Date ", &str)) {
-                       unsigned long timestamp;
+                       timestamp_t timestamp;
                        long tz, tz2;
                        char *end;
 
                        errno = 0;
-                       timestamp = strtoul(str, &end, 10);
+                       timestamp = parse_timestamp(str, &end, 10);
                        if (errno)
                                return error(_("invalid timestamp"));
 
@@ -1049,7 +1051,7 @@ static void am_setup(struct am_state *state, enum patch_format patch_format,
        } else {
                write_state_text(state, "abort-safety", "");
                if (!state->rebasing)
-                       delete_ref("ORIG_HEAD", NULL, 0);
+                       delete_ref(NULL, "ORIG_HEAD", NULL, 0);
        }
 
        /*
@@ -1119,7 +1121,7 @@ static void refresh_and_write_cache(void)
 {
        struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
 
-       hold_locked_index(lock_file, 1);
+       hold_locked_index(lock_file, LOCK_DIE_ON_ERROR);
        refresh_cache(REFRESH_QUIET);
        if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
                die(_("unable to write index file"));
@@ -1143,7 +1145,7 @@ static int index_has_changes(struct strbuf *sb)
                DIFF_OPT_SET(&opt, EXIT_WITH_STATUS);
                if (!sb)
                        DIFF_OPT_SET(&opt, QUICK);
-               do_diff_cache(head.hash, &opt);
+               do_diff_cache(&head, &opt);
                diffcore_std(&opt);
                for (i = 0; sb && i < diff_queued_diff.nr; i++) {
                        if (i)
@@ -1181,42 +1183,39 @@ static void NORETURN die_user_resolve(const struct am_state *state)
        exit(128);
 }
 
-static void am_signoff(struct strbuf *sb)
+/**
+ * Appends signoff to the "msg" field of the am_state.
+ */
+static void am_append_signoff(struct am_state *state)
 {
        char *cp;
        struct strbuf mine = STRBUF_INIT;
+       struct strbuf sb = STRBUF_INIT;
+
+       strbuf_attach(&sb, state->msg, state->msg_len, state->msg_len);
 
-       /* Does it end with our own sign-off? */
+       /* our sign-off */
        strbuf_addf(&mine, "\n%s%s\n",
                    sign_off_header,
                    fmt_name(getenv("GIT_COMMITTER_NAME"),
                             getenv("GIT_COMMITTER_EMAIL")));
-       if (mine.len < sb->len &&
-           !strcmp(mine.buf, sb->buf + sb->len - mine.len))
+
+       /* Does sb end with it already? */
+       if (mine.len < sb.len &&
+           !strcmp(mine.buf, sb.buf + sb.len - mine.len))
                goto exit; /* no need to duplicate */
 
        /* Does it have any Signed-off-by: in the text */
-       for (cp = sb->buf;
+       for (cp = sb.buf;
             cp && *cp && (cp = strstr(cp, sign_off_header)) != NULL;
             cp = strchr(cp, '\n')) {
-               if (sb->buf == cp || cp[-1] == '\n')
+               if (sb.buf == cp || cp[-1] == '\n')
                        break;
        }
 
-       strbuf_addstr(sb, mine.buf + !!cp);
+       strbuf_addstr(&sb, mine.buf + !!cp);
 exit:
        strbuf_release(&mine);
-}
-
-/**
- * Appends signoff to the "msg" field of the am_state.
- */
-static void am_append_signoff(struct am_state *state)
-{
-       struct strbuf sb = STRBUF_INIT;
-
-       strbuf_attach(&sb, state->msg, state->msg_len, state->msg_len);
-       am_signoff(&sb);
        state->msg = strbuf_detach(&sb, &state->msg_len);
 }
 
@@ -1313,7 +1312,7 @@ static int parse_mail(struct am_state *state, const char *mail)
        }
 
        if (is_empty_file(am_path(state, "patch"))) {
-               printf_ln(_("Patch is empty. Was it split wrong?"));
+               printf_ln(_("Patch is empty."));
                die_user_resolve(state);
        }
 
@@ -1321,9 +1320,6 @@ static int parse_mail(struct am_state *state, const char *mail)
        strbuf_addbuf(&msg, &mi.log_message);
        strbuf_stripspace(&msg, 0);
 
-       if (state->signoff)
-               am_signoff(&msg);
-
        assert(!state->author_name);
        state->author_name = strbuf_detach(&author_name, NULL);
 
@@ -1355,19 +1351,16 @@ static int get_mail_commit_oid(struct object_id *commit_id, const char *mail)
        struct strbuf sb = STRBUF_INIT;
        FILE *fp = xfopen(mail, "r");
        const char *x;
+       int ret = 0;
 
-       if (strbuf_getline_lf(&sb, fp))
-               return -1;
-
-       if (!skip_prefix(sb.buf, "From ", &x))
-               return -1;
-
-       if (get_oid_hex(x, commit_id) < 0)
-               return -1;
+       if (strbuf_getline_lf(&sb, fp) ||
+           !skip_prefix(sb.buf, "From ", &x) ||
+           get_oid_hex(x, commit_id) < 0)
+               ret = -1;
 
        strbuf_release(&sb);
        fclose(fp);
-       return 0;
+       return ret;
 }
 
 /**
@@ -1376,40 +1369,33 @@ static int get_mail_commit_oid(struct object_id *commit_id, const char *mail)
  */
 static void get_commit_info(struct am_state *state, struct commit *commit)
 {
-       const char *buffer, *ident_line, *author_date, *msg;
+       const char *buffer, *ident_line, *msg;
        size_t ident_len;
-       struct ident_split ident_split;
-       struct strbuf sb = STRBUF_INIT;
+       struct ident_split id;
 
        buffer = logmsg_reencode(commit, NULL, get_commit_output_encoding());
 
        ident_line = find_commit_header(buffer, "author", &ident_len);
 
-       if (split_ident_line(&ident_split, ident_line, ident_len) < 0) {
-               strbuf_add(&sb, ident_line, ident_len);
-               die(_("invalid ident line: %s"), sb.buf);
-       }
+       if (split_ident_line(&id, ident_line, ident_len) < 0)
+               die(_("invalid ident line: %.*s"), (int)ident_len, ident_line);
 
        assert(!state->author_name);
-       if (ident_split.name_begin) {
-               strbuf_add(&sb, ident_split.name_begin,
-                       ident_split.name_end - ident_split.name_begin);
-               state->author_name = strbuf_detach(&sb, NULL);
-       } else
+       if (id.name_begin)
+               state->author_name =
+                       xmemdupz(id.name_begin, id.name_end - id.name_begin);
+       else
                state->author_name = xstrdup("");
 
        assert(!state->author_email);
-       if (ident_split.mail_begin) {
-               strbuf_add(&sb, ident_split.mail_begin,
-                       ident_split.mail_end - ident_split.mail_begin);
-               state->author_email = strbuf_detach(&sb, NULL);
-       } else
+       if (id.mail_begin)
+               state->author_email =
+                       xmemdupz(id.mail_begin, id.mail_end - id.mail_begin);
+       else
                state->author_email = xstrdup("");
 
-       author_date = show_ident_date(&ident_split, DATE_MODE(NORMAL));
-       strbuf_addstr(&sb, author_date);
        assert(!state->author_date);
-       state->author_date = strbuf_detach(&sb, NULL);
+       state->author_date = xstrdup(show_ident_date(&id, DATE_MODE(NORMAL)));
 
        assert(!state->msg);
        msg = strstr(buffer, "\n\n");
@@ -1458,9 +1444,9 @@ static void write_index_patch(const struct am_state *state)
        FILE *fp;
 
        if (!get_sha1_tree("HEAD", head.hash))
-               tree = lookup_tree(head.hash);
+               tree = lookup_tree(&head);
        else
-               tree = lookup_tree(EMPTY_TREE_SHA1_BIN);
+               tree = lookup_tree(&empty_tree_oid);
 
        fp = xfopen(am_path(state, "patch"), "w");
        init_revisions(&rev_info, NULL);
@@ -1493,7 +1479,7 @@ static int parse_mail_rebase(struct am_state *state, const char *mail)
        if (get_mail_commit_oid(&commit_oid, mail) < 0)
                die(_("could not parse %s"), mail);
 
-       commit = lookup_commit_or_die(commit_oid.hash, mail);
+       commit = lookup_commit_or_die(&commit_oid, mail);
 
        get_commit_info(state, commit);
 
@@ -1623,7 +1609,7 @@ static int fall_back_threeway(const struct am_state *state, const char *index_pa
                init_revisions(&rev_info, NULL);
                rev_info.diffopt.output_format = DIFF_FORMAT_NAME_STATUS;
                diff_opt_parse(&rev_info.diffopt, &diff_filter_str, 1, rev_info.prefix);
-               add_pending_sha1(&rev_info, "HEAD", our_tree.hash, 0);
+               add_pending_oid(&rev_info, "HEAD", &our_tree, 0);
                diff_setup_done(&rev_info.diffopt);
                run_diff_index(&rev_info, 1);
        }
@@ -1688,7 +1674,7 @@ static void do_commit(const struct am_state *state)
 
        if (!get_sha1_commit("HEAD", parent.hash)) {
                old_oid = &parent;
-               commit_list_insert(lookup_commit(parent.hash), &parents);
+               commit_list_insert(lookup_commit(&parent), &parents);
        } else {
                old_oid = NULL;
                say(state, stderr, _("applying to an empty history"));
@@ -1849,6 +1835,9 @@ static void am_run(struct am_state *state, int resume)
                        if (skip)
                                goto next; /* mail should be skipped */
 
+                       if (state->signoff)
+                               am_append_signoff(state);
+
                        write_author_script(state);
                        write_commit_msg(state);
                }
@@ -1942,7 +1931,8 @@ static void am_resolve(struct am_state *state)
 
        if (unmerged_cache()) {
                printf_ln(_("You still have unmerged paths in your index.\n"
-                       "Did you forget to use 'git add'?"));
+                       "You should 'git add' each file with resolved conflicts to mark them as such.\n"
+                       "You might run `git rm` on a file to accept \"deleted by them\" for it."));
                die_user_resolve(state);
        }
 
@@ -1977,7 +1967,7 @@ static int fast_forward_to(struct tree *head, struct tree *remote, int reset)
                return -1;
 
        lock_file = xcalloc(1, sizeof(struct lock_file));
-       hold_locked_index(lock_file, 1);
+       hold_locked_index(lock_file, LOCK_DIE_ON_ERROR);
 
        refresh_cache(REFRESH_QUIET);
 
@@ -2017,7 +2007,7 @@ static int merge_tree(struct tree *tree)
                return -1;
 
        lock_file = xcalloc(1, sizeof(struct lock_file));
-       hold_locked_index(lock_file, 1);
+       hold_locked_index(lock_file, LOCK_DIE_ON_ERROR);
 
        memset(&opts, 0, sizeof(opts));
        opts.head_idx = 1;
@@ -2047,11 +2037,11 @@ static int clean_index(const struct object_id *head, const struct object_id *rem
        struct tree *head_tree, *remote_tree, *index_tree;
        struct object_id index;
 
-       head_tree = parse_tree_indirect(head->hash);
+       head_tree = parse_tree_indirect(head);
        if (!head_tree)
                return error(_("Could not parse object '%s'."), oid_to_hex(head));
 
-       remote_tree = parse_tree_indirect(remote->hash);
+       remote_tree = parse_tree_indirect(remote);
        if (!remote_tree)
                return error(_("Could not parse object '%s'."), oid_to_hex(remote));
 
@@ -2063,7 +2053,7 @@ static int clean_index(const struct object_id *head, const struct object_id *rem
        if (write_cache_as_tree(index.hash, 0, NULL))
                return -1;
 
-       index_tree = parse_tree_indirect(index.hash);
+       index_tree = parse_tree_indirect(&index);
        if (!index_tree)
                return error(_("Could not parse object '%s'."), oid_to_hex(&index));
 
@@ -2158,7 +2148,7 @@ static void am_abort(struct am_state *state)
        am_rerere_clear();
 
        curr_branch = resolve_refdup("HEAD", 0, curr_head.hash, NULL);
-       has_curr_head = !is_null_oid(&curr_head);
+       has_curr_head = curr_branch && !is_null_oid(&curr_head);
        if (!has_curr_head)
                hashcpy(curr_head.hash, EMPTY_TREE_SHA1_BIN);
 
@@ -2173,7 +2163,7 @@ static void am_abort(struct am_state *state)
                                has_curr_head ? &curr_head : NULL, 0,
                                UPDATE_REFS_DIE_ON_ERR);
        else if (curr_branch)
-               delete_ref(curr_branch, NULL, REF_NODEREF);
+               delete_ref(NULL, curr_branch, NULL, REF_NODEREF);
 
        free(curr_branch);
        am_destroy(state);
@@ -2323,7 +2313,7 @@ int cmd_am(int argc, const char **argv, const char *prefix)
 
        git_config(git_am_config, NULL);
 
-       am_state_init(&state, git_path("rebase-apply"));
+       am_state_init(&state);
 
        in_progress = am_in_progress(&state);
        if (in_progress)