set_work_tree: use chdir_notify
[gitweb.git] / wt-status.c
index 94e5ebaf8b11840383edfdae9624d34ae283061a..66f4234af1149618b47786f3b623916be7c02c74 100644 (file)
@@ -136,6 +136,7 @@ void wt_status_prepare(struct wt_status *s)
        s->ignored.strdup_strings = 1;
        s->show_branch = -1;  /* unspecified */
        s->show_stash = 0;
+       s->ahead_behind_flags = AHEAD_BEHIND_UNSPECIFIED;
        s->display_comment_prefix = 0;
 }
 
@@ -360,8 +361,6 @@ static void wt_longstatus_print_change_data(struct wt_status *s,
        switch (change_type) {
        case WT_STATUS_UPDATED:
                status = d->index_status;
-               if (d->head_path)
-                       one_name = d->head_path;
                break;
        case WT_STATUS_CHANGED:
                if (d->new_submodule_commits || d->dirty_submodule) {
@@ -382,6 +381,14 @@ static void wt_longstatus_print_change_data(struct wt_status *s,
                    change_type);
        }
 
+       /*
+        * Only pick up the rename it's relevant. If the rename is for
+        * the changed section and we're printing the updated section,
+        * ignore it.
+        */
+       if (d->rename_status == status)
+               one_name = d->rename_source;
+
        one = quote_path(one_name, s->prefix, &onebuf);
        two = quote_path(two_name, s->prefix, &twobuf);
 
@@ -391,7 +398,7 @@ static void wt_longstatus_print_change_data(struct wt_status *s,
                die("BUG: unhandled diff status %c", status);
        len = label_width - utf8_strwidth(what);
        assert(len >= 0);
-       if (status == DIFF_STATUS_COPIED || status == DIFF_STATUS_RENAMED)
+       if (one_name != two_name)
                status_printf_more(s, c, "%s%.*s%s -> %s",
                                   what, len, padding, one, two);
        else
@@ -406,7 +413,8 @@ static void wt_longstatus_print_change_data(struct wt_status *s,
        strbuf_release(&twobuf);
 }
 
-static char short_submodule_status(struct wt_status_change_data *d) {
+static char short_submodule_status(struct wt_status_change_data *d)
+{
        if (d->new_submodule_commits)
                return 'M';
        if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
@@ -432,7 +440,7 @@ static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
                struct wt_status_change_data *d;
 
                p = q->queue[i];
-               it = string_list_insert(&s->change, p->one->path);
+               it = string_list_insert(&s->change, p->two->path);
                d = it->util;
                if (!d) {
                        d = xcalloc(1, sizeof(*d));
@@ -459,6 +467,14 @@ static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
                        /* mode_worktree is zero for a delete. */
                        break;
 
+               case DIFF_STATUS_COPIED:
+               case DIFF_STATUS_RENAMED:
+                       if (d->rename_status)
+                               die("BUG: multiple renames on the same target? how?");
+                       d->rename_source = xstrdup(p->one->path);
+                       d->rename_score = p->score * 100 / MAX_SCORE;
+                       d->rename_status = p->status;
+                       /* fallthru */
                case DIFF_STATUS_MODIFIED:
                case DIFF_STATUS_TYPE_CHANGED:
                case DIFF_STATUS_UNMERGED:
@@ -467,8 +483,8 @@ static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
                        oidcpy(&d->oid_index, &p->one->oid);
                        break;
 
-               case DIFF_STATUS_UNKNOWN:
-                       die("BUG: worktree status unknown???");
+               default:
+                       die("BUG: unhandled diff-files status '%c'", p->status);
                        break;
                }
 
@@ -530,8 +546,11 @@ static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
 
                case DIFF_STATUS_COPIED:
                case DIFF_STATUS_RENAMED:
-                       d->head_path = xstrdup(p->one->path);
-                       d->score = p->score * 100 / MAX_SCORE;
+                       if (d->rename_status)
+                               die("BUG: multiple renames on the same target? how?");
+                       d->rename_source = xstrdup(p->one->path);
+                       d->rename_score = p->score * 100 / MAX_SCORE;
+                       d->rename_status = p->status;
                        /* fallthru */
                case DIFF_STATUS_MODIFIED:
                case DIFF_STATUS_TYPE_CHANGED:
@@ -548,6 +567,10 @@ static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
                         * values in these fields.
                         */
                        break;
+
+               default:
+                       die("BUG: unhandled diff-index status '%c'", p->status);
+                       break;
                }
        }
 }
@@ -559,12 +582,12 @@ static void wt_status_collect_changes_worktree(struct wt_status *s)
        init_revisions(&rev, NULL);
        setup_revisions(0, NULL, &rev, NULL);
        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
-       DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
+       rev.diffopt.flags.dirty_submodules = 1;
        rev.diffopt.ita_invisible_in_index = 1;
        if (!s->show_untracked_files)
-               DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
+               rev.diffopt.flags.ignore_untracked_in_submodules = 1;
        if (s->ignore_submodule_arg) {
-               DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
+               rev.diffopt.flags.override_submodule_config = 1;
                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
        }
        rev.diffopt.format_callback = wt_status_collect_changed_cb;
@@ -583,7 +606,7 @@ static void wt_status_collect_changes_index(struct wt_status *s)
        opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
        setup_revisions(0, NULL, &rev, &opt);
 
-       DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
+       rev.diffopt.flags.override_submodule_config = 1;
        rev.diffopt.ita_invisible_in_index = 1;
        if (s->ignore_submodule_arg) {
                handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
@@ -602,7 +625,7 @@ static void wt_status_collect_changes_index(struct wt_status *s)
        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
        rev.diffopt.format_callback = wt_status_collect_updated_cb;
        rev.diffopt.format_callback_data = s;
-       rev.diffopt.detect_rename = 1;
+       rev.diffopt.detect_rename = DIFF_DETECT_RENAME;
        rev.diffopt.rename_limit = 200;
        rev.diffopt.break_opt = 0;
        copy_pathspec(&rev.prune_data, &s->pathspec);
@@ -658,10 +681,15 @@ static void wt_status_collect_untracked(struct wt_status *s)
        if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
                dir.flags |=
                        DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
-       if (s->show_ignored_files)
+       if (s->show_ignored_mode) {
                dir.flags |= DIR_SHOW_IGNORED_TOO;
-       else
+
+               if (s->show_ignored_mode == SHOW_MATCHING_IGNORED)
+                       dir.flags |= DIR_SHOW_IGNORED_TOO_MODE_MATCHING;
+       } else {
                dir.untracked = the_index.untracked;
+       }
+
        setup_standard_excludes(&dir);
 
        fill_directory(&dir, &the_index, &s->pathspec);
@@ -949,7 +977,7 @@ static void wt_longstatus_print_verbose(struct wt_status *s)
        const char *c = color(WT_STATUS_HEADER, s);
 
        init_revisions(&rev, NULL);
-       DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
+       rev.diffopt.flags.allow_textconv = 1;
        rev.diffopt.ita_invisible_in_index = 1;
 
        memset(&opt, 0, sizeof(opt));
@@ -957,7 +985,7 @@ static void wt_longstatus_print_verbose(struct wt_status *s)
        setup_revisions(0, NULL, &rev, &opt);
 
        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
-       rev.diffopt.detect_rename = 1;
+       rev.diffopt.detect_rename = DIFF_DETECT_RENAME;
        rev.diffopt.file = s->fp;
        rev.diffopt.close_file = 0;
        /*
@@ -1005,7 +1033,7 @@ static void wt_longstatus_print_tracking(struct wt_status *s)
        if (!skip_prefix(s->branch, "refs/heads/", &branch_name))
                return;
        branch = branch_get(branch_name);
-       if (!format_tracking_info(branch, &sb))
+       if (!format_tracking_info(branch, &sb, s->ahead_behind_flags))
                return;
 
        i = 0;
@@ -1449,7 +1477,7 @@ static void wt_status_get_detached_from(struct wt_status_state *state)
                return;
        }
 
-       if (dwim_ref(cb.buf.buf, cb.buf.len, oid.hash, &ref) == 1 &&
+       if (dwim_ref(cb.buf.buf, cb.buf.len, &oid, &ref) == 1 &&
            /* sha1 is a commit? match without further lookup */
            (!oidcmp(&cb.noid, &oid) ||
             /* perhaps sha1 is a tag, try to dereference to a commit */
@@ -1619,7 +1647,7 @@ static void wt_longstatus_print(struct wt_status *s)
        }
        if (s->show_untracked_files) {
                wt_longstatus_print_other(s, &s->untracked, _("Untracked files"), "add");
-               if (s->show_ignored_files)
+               if (s->show_ignored_mode)
                        wt_longstatus_print_other(s, &s->ignored, _("Ignored files"), "add -f");
                if (advice_status_u_option && 2000 < s->untracked_in_ms) {
                        status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
@@ -1714,13 +1742,14 @@ static void wt_shortstatus_status(struct string_list_item *it,
        putchar(' ');
        if (s->null_termination) {
                fprintf(stdout, "%s%c", it->string, 0);
-               if (d->head_path)
-                       fprintf(stdout, "%s%c", d->head_path, 0);
+               if (d->rename_source)
+                       fprintf(stdout, "%s%c", d->rename_source, 0);
        } else {
                struct strbuf onebuf = STRBUF_INIT;
                const char *one;
-               if (d->head_path) {
-                       one = quote_path(d->head_path, s->prefix, &onebuf);
+
+               if (d->rename_source) {
+                       one = quote_path(d->rename_source, s->prefix, &onebuf);
                        if (*one != '"' && strchr(one, ' ') != NULL) {
                                putchar('"');
                                strbuf_addch(&onebuf, '"');
@@ -1765,7 +1794,7 @@ static void wt_shortstatus_print_tracking(struct wt_status *s)
        const char *base;
        char *short_base;
        const char *branch_name;
-       int num_ours, num_theirs;
+       int num_ours, num_theirs, sti;
        int upstream_is_gone = 0;
 
        color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
@@ -1791,7 +1820,9 @@ static void wt_shortstatus_print_tracking(struct wt_status *s)
 
        color_fprintf(s->fp, branch_color_local, "%s", branch_name);
 
-       if (stat_tracking_info(branch, &num_ours, &num_theirs, &base) < 0) {
+       sti = stat_tracking_info(branch, &num_ours, &num_theirs, &base,
+                                s->ahead_behind_flags);
+       if (sti < 0) {
                if (!base)
                        goto conclude;
 
@@ -1803,12 +1834,14 @@ static void wt_shortstatus_print_tracking(struct wt_status *s)
        color_fprintf(s->fp, branch_color_remote, "%s", short_base);
        free(short_base);
 
-       if (!upstream_is_gone && !num_ours && !num_theirs)
+       if (!upstream_is_gone && !sti)
                goto conclude;
 
        color_fprintf(s->fp, header_color, " [");
        if (upstream_is_gone) {
                color_fprintf(s->fp, header_color, LABEL(N_("gone")));
+       } else if (s->ahead_behind_flags == AHEAD_BEHIND_QUICK) {
+               color_fprintf(s->fp, header_color, LABEL(N_("different")));
        } else if (!num_ours) {
                color_fprintf(s->fp, header_color, LABEL(N_("behind ")));
                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
@@ -1877,18 +1910,19 @@ static void wt_porcelain_print(struct wt_status *s)
  *
  *    <upstream> ::= the upstream branch name, when set.
  *
- *       <ahead> ::= integer ahead value, when upstream set
- *                   and the commit is present (not gone).
- *
- *      <behind> ::= integer behind value, when upstream set
- *                   and commit is present.
+ *       <ahead> ::= integer ahead value or '?'.
  *
+ *      <behind> ::= integer behind value or '?'.
  *
  * The end-of-line is defined by the -z flag.
  *
  *                 <eol> ::= NUL when -z,
  *                           LF when NOT -z.
  *
+ * When an upstream is set and present, the 'branch.ab' line will
+ * be printed with the ahead/behind counts for the branch and the
+ * upstream.  When AHEAD_BEHIND_QUICK is requested and the branches
+ * are different, '?' will be substituted for the actual count.
  */
 static void wt_porcelain_v2_print_tracking(struct wt_status *s)
 {
@@ -1928,14 +1962,25 @@ static void wt_porcelain_v2_print_tracking(struct wt_status *s)
                /* Lookup stats on the upstream tracking branch, if set. */
                branch = branch_get(branch_name);
                base = NULL;
-               ab_info = (stat_tracking_info(branch, &nr_ahead, &nr_behind, &base) == 0);
+               ab_info = stat_tracking_info(branch, &nr_ahead, &nr_behind,
+                                            &base, s->ahead_behind_flags);
                if (base) {
                        base = shorten_unambiguous_ref(base, 0);
                        fprintf(s->fp, "# branch.upstream %s%c", base, eol);
                        free((char *)base);
 
-                       if (ab_info)
-                               fprintf(s->fp, "# branch.ab +%d -%d%c", nr_ahead, nr_behind, eol);
+                       if (ab_info > 0) {
+                               /* different */
+                               if (nr_ahead || nr_behind)
+                                       fprintf(s->fp, "# branch.ab +%d -%d%c",
+                                               nr_ahead, nr_behind, eol);
+                               else
+                                       fprintf(s->fp, "# branch.ab +? -?%c",
+                                               eol);
+                       } else if (!ab_info) {
+                               /* same */
+                               fprintf(s->fp, "# branch.ab +0 -0%c", eol);
+                       }
                }
        }
 
@@ -2025,10 +2070,10 @@ static void wt_porcelain_v2_print_changed_entry(
        struct wt_status *s)
 {
        struct wt_status_change_data *d = it->util;
-       struct strbuf buf_index = STRBUF_INIT;
-       struct strbuf buf_head = STRBUF_INIT;
-       const char *path_index = NULL;
-       const char *path_head = NULL;
+       struct strbuf buf = STRBUF_INIT;
+       struct strbuf buf_from = STRBUF_INIT;
+       const char *path = NULL;
+       const char *path_from = NULL;
        char key[3];
        char submodule_token[5];
        char sep_char, eol_char;
@@ -2047,8 +2092,8 @@ static void wt_porcelain_v2_print_changed_entry(
                 */
                sep_char = '\0';
                eol_char = '\0';
-               path_index = it->string;
-               path_head = d->head_path;
+               path = it->string;
+               path_from = d->rename_source;
        } else {
                /*
                 * Path(s) are C-quoted if necessary. Current path is ALWAYS first.
@@ -2058,27 +2103,27 @@ static void wt_porcelain_v2_print_changed_entry(
                 */
                sep_char = '\t';
                eol_char = '\n';
-               path_index = quote_path(it->string, s->prefix, &buf_index);
-               if (d->head_path)
-                       path_head = quote_path(d->head_path, s->prefix, &buf_head);
+               path = quote_path(it->string, s->prefix, &buf);
+               if (d->rename_source)
+                       path_from = quote_path(d->rename_source, s->prefix, &buf_from);
        }
 
-       if (path_head)
+       if (path_from)
                fprintf(s->fp, "2 %s %s %06o %06o %06o %s %s %c%d %s%c%s%c",
                                key, submodule_token,
                                d->mode_head, d->mode_index, d->mode_worktree,
                                oid_to_hex(&d->oid_head), oid_to_hex(&d->oid_index),
-                               key[0], d->score,
-                               path_index, sep_char, path_head, eol_char);
+                               d->rename_status, d->rename_score,
+                               path, sep_char, path_from, eol_char);
        else
                fprintf(s->fp, "1 %s %s %06o %06o %06o %s %s %s%c",
                                key, submodule_token,
                                d->mode_head, d->mode_index, d->mode_worktree,
                                oid_to_hex(&d->oid_head), oid_to_hex(&d->oid_index),
-                               path_index, eol_char);
+                               path, eol_char);
 
-       strbuf_release(&buf_index);
-       strbuf_release(&buf_head);
+       strbuf_release(&buf);
+       strbuf_release(&buf_from);
 }
 
 /*
@@ -2263,10 +2308,10 @@ int has_unstaged_changes(int ignore_submodules)
 
        init_revisions(&rev_info, NULL);
        if (ignore_submodules) {
-               DIFF_OPT_SET(&rev_info.diffopt, IGNORE_SUBMODULES);
-               DIFF_OPT_SET(&rev_info.diffopt, OVERRIDE_SUBMODULE_CONFIG);
+               rev_info.diffopt.flags.ignore_submodules = 1;
+               rev_info.diffopt.flags.override_submodule_config = 1;
        }
-       DIFF_OPT_SET(&rev_info.diffopt, QUICK);
+       rev_info.diffopt.flags.quick = 1;
        diff_setup_done(&rev_info.diffopt);
        result = run_diff_files(&rev_info, 0);
        return diff_result_code(&rev_info.diffopt, result);
@@ -2285,8 +2330,8 @@ int has_uncommitted_changes(int ignore_submodules)
 
        init_revisions(&rev_info, NULL);
        if (ignore_submodules)
-               DIFF_OPT_SET(&rev_info.diffopt, IGNORE_SUBMODULES);
-       DIFF_OPT_SET(&rev_info.diffopt, QUICK);
+               rev_info.diffopt.flags.ignore_submodules = 1;
+       rev_info.diffopt.flags.quick = 1;
        add_head_to_pending(&rev_info);
        diff_setup_done(&rev_info.diffopt);
        result = run_diff_index(&rev_info, 1);
@@ -2299,14 +2344,14 @@ int has_uncommitted_changes(int ignore_submodules)
  */
 int require_clean_work_tree(const char *action, const char *hint, int ignore_submodules, int gently)
 {
-       struct lock_file *lock_file = xcalloc(1, sizeof(*lock_file));
+       struct lock_file lock_file = LOCK_INIT;
        int err = 0, fd;
 
-       fd = hold_locked_index(lock_file, 0);
+       fd = hold_locked_index(&lock_file, 0);
        refresh_cache(REFRESH_QUIET);
        if (0 <= fd)
-               update_index_if_able(&the_index, lock_file);
-       rollback_lock_file(lock_file);
+               update_index_if_able(&the_index, &lock_file);
+       rollback_lock_file(&lock_file);
 
        if (has_unstaged_changes(ignore_submodules)) {
                /* TRANSLATORS: the action is e.g. "pull with rebase" */