Documentation: Grammar correction, wording fixes and cleanup
[gitweb.git] / wt-status.c
index 889e50f89fc24984f700d14f7033600fa9fdf642..9f4e0ba9c17120ca2903b30b95b6d8fbcc62cd9c 100644 (file)
@@ -1,6 +1,5 @@
 #include "cache.h"
 #include "wt-status.h"
-#include "color.h"
 #include "object.h"
 #include "dir.h"
 #include "commit.h"
 #include "quote.h"
 #include "run-command.h"
 #include "remote.h"
-
-int wt_status_relative_paths = 1;
-int wt_status_use_color = -1;
-int wt_status_submodule_summary;
-static char wt_status_colors[][COLOR_MAXLEN] = {
-       "",         /* WT_STATUS_HEADER: normal */
-       "\033[32m", /* WT_STATUS_UPDATED: green */
-       "\033[31m", /* WT_STATUS_CHANGED: red */
-       "\033[31m", /* WT_STATUS_UNTRACKED: red */
-       "\033[31m", /* WT_STATUS_NOBRANCH: red */
+#include "refs.h"
+#include "submodule.h"
+
+static char default_wt_status_colors[][COLOR_MAXLEN] = {
+       GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
+       GIT_COLOR_GREEN,  /* WT_STATUS_UPDATED */
+       GIT_COLOR_RED,    /* WT_STATUS_CHANGED */
+       GIT_COLOR_RED,    /* WT_STATUS_UNTRACKED */
+       GIT_COLOR_RED,    /* WT_STATUS_NOBRANCH */
+       GIT_COLOR_RED,    /* WT_STATUS_UNMERGED */
+       GIT_COLOR_GREEN,  /* WT_STATUS_LOCAL_BRANCH */
+       GIT_COLOR_RED,    /* WT_STATUS_REMOTE_BRANCH */
+       GIT_COLOR_NIL,    /* WT_STATUS_ONBRANCH */
 };
 
-static const char use_add_msg[] =
-"use \"git add <file>...\" to update what will be committed";
-static const char use_add_rm_msg[] =
-"use \"git add/rm <file>...\" to update what will be committed";
-static const char use_add_to_include_msg[] =
-"use \"git add <file>...\" to include in what will be committed";
-enum untracked_status_type show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
+static const char *color(int slot, struct wt_status *s)
+{
+       const char *c = s->use_color > 0 ? s->color_palette[slot] : "";
+       if (slot == WT_STATUS_ONBRANCH && color_is_nil(c))
+               c = s->color_palette[WT_STATUS_HEADER];
+       return c;
+}
 
-static int parse_status_slot(const char *var, int offset)
+static void status_vprintf(struct wt_status *s, int at_bol, const char *color,
+               const char *fmt, va_list ap, const char *trail)
 {
-       if (!strcasecmp(var+offset, "header"))
-               return WT_STATUS_HEADER;
-       if (!strcasecmp(var+offset, "updated")
-               || !strcasecmp(var+offset, "added"))
-               return WT_STATUS_UPDATED;
-       if (!strcasecmp(var+offset, "changed"))
-               return WT_STATUS_CHANGED;
-       if (!strcasecmp(var+offset, "untracked"))
-               return WT_STATUS_UNTRACKED;
-       if (!strcasecmp(var+offset, "nobranch"))
-               return WT_STATUS_NOBRANCH;
-       die("bad config variable '%s'", var);
+       struct strbuf sb = STRBUF_INIT;
+       struct strbuf linebuf = STRBUF_INIT;
+       const char *line, *eol;
+
+       strbuf_vaddf(&sb, fmt, ap);
+       if (!sb.len) {
+               strbuf_addch(&sb, '#');
+               if (!trail)
+                       strbuf_addch(&sb, ' ');
+               color_print_strbuf(s->fp, color, &sb);
+               if (trail)
+                       fprintf(s->fp, "%s", trail);
+               strbuf_release(&sb);
+               return;
+       }
+       for (line = sb.buf; *line; line = eol + 1) {
+               eol = strchr(line, '\n');
+
+               strbuf_reset(&linebuf);
+               if (at_bol) {
+                       strbuf_addch(&linebuf, '#');
+                       if (*line != '\n' && *line != '\t')
+                               strbuf_addch(&linebuf, ' ');
+               }
+               if (eol)
+                       strbuf_add(&linebuf, line, eol - line);
+               else
+                       strbuf_addstr(&linebuf, line);
+               color_print_strbuf(s->fp, color, &linebuf);
+               if (eol)
+                       fprintf(s->fp, "\n");
+               else
+                       break;
+               at_bol = 1;
+       }
+       if (trail)
+               fprintf(s->fp, "%s", trail);
+       strbuf_release(&linebuf);
+       strbuf_release(&sb);
 }
 
-static const char* color(int slot)
+void status_printf_ln(struct wt_status *s, const char *color,
+                       const char *fmt, ...)
 {
-       return wt_status_use_color > 0 ? wt_status_colors[slot] : "";
+       va_list ap;
+
+       va_start(ap, fmt);
+       status_vprintf(s, 1, color, fmt, ap, "\n");
+       va_end(ap);
+}
+
+void status_printf(struct wt_status *s, const char *color,
+                       const char *fmt, ...)
+{
+       va_list ap;
+
+       va_start(ap, fmt);
+       status_vprintf(s, 1, color, fmt, ap, NULL);
+       va_end(ap);
+}
+
+void status_printf_more(struct wt_status *s, const char *color,
+                       const char *fmt, ...)
+{
+       va_list ap;
+
+       va_start(ap, fmt);
+       status_vprintf(s, 0, color, fmt, ap, NULL);
+       va_end(ap);
 }
 
 void wt_status_prepare(struct wt_status *s)
@@ -57,194 +112,516 @@ void wt_status_prepare(struct wt_status *s)
        const char *head;
 
        memset(s, 0, sizeof(*s));
+       memcpy(s->color_palette, default_wt_status_colors,
+              sizeof(default_wt_status_colors));
+       s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
+       s->use_color = -1;
+       s->relative_paths = 1;
        head = resolve_ref("HEAD", sha1, 0, NULL);
        s->branch = head ? xstrdup(head) : NULL;
        s->reference = "HEAD";
        s->fp = stdout;
        s->index_file = get_index_file();
+       s->change.strdup_strings = 1;
+       s->untracked.strdup_strings = 1;
+       s->ignored.strdup_strings = 1;
+}
+
+static void wt_status_print_unmerged_header(struct wt_status *s)
+{
+       const char *c = color(WT_STATUS_HEADER, s);
+
+       status_printf_ln(s, c, _("Unmerged paths:"));
+       if (!advice_status_hints)
+               return;
+       if (s->whence != FROM_COMMIT)
+               ;
+       else if (!s->is_initial)
+               status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
+       else
+               status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
+       status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
+       status_printf_ln(s, c, "");
 }
 
 static void wt_status_print_cached_header(struct wt_status *s)
 {
-       const char *c = color(WT_STATUS_HEADER);
-       color_fprintf_ln(s->fp, c, "# Changes to be committed:");
-       if (!s->is_initial) {
-               color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
-       } else {
-               color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
-       }
-       color_fprintf_ln(s->fp, c, "#");
+       const char *c = color(WT_STATUS_HEADER, s);
+
+       status_printf_ln(s, c, _("Changes to be committed:"));
+       if (!advice_status_hints)
+               return;
+       if (s->whence != FROM_COMMIT)
+               ; /* NEEDSWORK: use "git reset --unresolve"??? */
+       else if (!s->is_initial)
+               status_printf_ln(s, c, _("  (use \"git reset %s <file>...\" to unstage)"), s->reference);
+       else
+               status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
+       status_printf_ln(s, c, "");
+}
+
+static void wt_status_print_dirty_header(struct wt_status *s,
+                                        int has_deleted,
+                                        int has_dirty_submodules)
+{
+       const char *c = color(WT_STATUS_HEADER, s);
+
+       status_printf_ln(s, c, _("Changes not staged for commit:"));
+       if (!advice_status_hints)
+               return;
+       if (!has_deleted)
+               status_printf_ln(s, c, _("  (use \"git add <file>...\" to update what will be committed)"));
+       else
+               status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" to update what will be committed)"));
+       status_printf_ln(s, c, _("  (use \"git checkout -- <file>...\" to discard changes in working directory)"));
+       if (has_dirty_submodules)
+               status_printf_ln(s, c, _("  (commit or discard the untracked or modified content in submodules)"));
+       status_printf_ln(s, c, "");
 }
 
-static void wt_status_print_header(struct wt_status *s,
-                                  const char *main, const char *sub)
+static void wt_status_print_other_header(struct wt_status *s,
+                                        const char *what,
+                                        const char *how)
 {
-       const char *c = color(WT_STATUS_HEADER);
-       color_fprintf_ln(s->fp, c, "# %s:", main);
-       color_fprintf_ln(s->fp, c, "#   (%s)", sub);
-       color_fprintf_ln(s->fp, c, "#");
+       const char *c = color(WT_STATUS_HEADER, s);
+       status_printf_ln(s, c, _("%s files:"), what);
+       if (!advice_status_hints)
+               return;
+       status_printf_ln(s, c, _("  (use \"git %s <file>...\" to include in what will be committed)"), how);
+       status_printf_ln(s, c, "");
 }
 
 static void wt_status_print_trailer(struct wt_status *s)
 {
-       color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
+       status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
 }
 
 #define quote_path quote_path_relative
 
-static void wt_status_print_filepair(struct wt_status *s,
-                                    int t, struct diff_filepair *p)
+static void wt_status_print_unmerged_data(struct wt_status *s,
+                                         struct string_list_item *it)
 {
-       const char *c = color(t);
+       const char *c = color(WT_STATUS_UNMERGED, s);
+       struct wt_status_change_data *d = it->util;
+       struct strbuf onebuf = STRBUF_INIT;
+       const char *one, *how = _("bug");
+
+       one = quote_path(it->string, -1, &onebuf, s->prefix);
+       status_printf(s, color(WT_STATUS_HEADER, s), "\t");
+       switch (d->stagemask) {
+       case 1: how = _("both deleted:"); break;
+       case 2: how = _("added by us:"); break;
+       case 3: how = _("deleted by them:"); break;
+       case 4: how = _("added by them:"); break;
+       case 5: how = _("deleted by us:"); break;
+       case 6: how = _("both added:"); break;
+       case 7: how = _("both modified:"); break;
+       }
+       status_printf_more(s, c, "%-20s%s\n", how, one);
+       strbuf_release(&onebuf);
+}
+
+static void wt_status_print_change_data(struct wt_status *s,
+                                       int change_type,
+                                       struct string_list_item *it)
+{
+       struct wt_status_change_data *d = it->util;
+       const char *c = color(change_type, s);
+       int status = status;
+       char *one_name;
+       char *two_name;
        const char *one, *two;
-       struct strbuf onebuf, twobuf;
+       struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
+       struct strbuf extra = STRBUF_INIT;
+
+       one_name = two_name = it->string;
+       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) {
+                       strbuf_addstr(&extra, " (");
+                       if (d->new_submodule_commits)
+                               strbuf_addf(&extra, _("new commits, "));
+                       if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
+                               strbuf_addf(&extra, _("modified content, "));
+                       if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
+                               strbuf_addf(&extra, _("untracked content, "));
+                       strbuf_setlen(&extra, extra.len - 2);
+                       strbuf_addch(&extra, ')');
+               }
+               status = d->worktree_status;
+               break;
+       }
 
-       strbuf_init(&onebuf, 0);
-       strbuf_init(&twobuf, 0);
-       one = quote_path(p->one->path, -1, &onebuf, s->prefix);
-       two = quote_path(p->two->path, -1, &twobuf, s->prefix);
+       one = quote_path(one_name, -1, &onebuf, s->prefix);
+       two = quote_path(two_name, -1, &twobuf, s->prefix);
 
-       color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
-       switch (p->status) {
+       status_printf(s, color(WT_STATUS_HEADER, s), "\t");
+       switch (status) {
        case DIFF_STATUS_ADDED:
-               color_fprintf(s->fp, c, "new file:   %s", one);
+               status_printf_more(s, c, _("new file:   %s"), one);
                break;
        case DIFF_STATUS_COPIED:
-               color_fprintf(s->fp, c, "copied:     %s -> %s", one, two);
+               status_printf_more(s, c, _("copied:     %s -> %s"), one, two);
                break;
        case DIFF_STATUS_DELETED:
-               color_fprintf(s->fp, c, "deleted:    %s", one);
+               status_printf_more(s, c, _("deleted:    %s"), one);
                break;
        case DIFF_STATUS_MODIFIED:
-               color_fprintf(s->fp, c, "modified:   %s", one);
+               status_printf_more(s, c, _("modified:   %s"), one);
                break;
        case DIFF_STATUS_RENAMED:
-               color_fprintf(s->fp, c, "renamed:    %s -> %s", one, two);
+               status_printf_more(s, c, _("renamed:    %s -> %s"), one, two);
                break;
        case DIFF_STATUS_TYPE_CHANGED:
-               color_fprintf(s->fp, c, "typechange: %s", one);
+               status_printf_more(s, c, _("typechange: %s"), one);
                break;
        case DIFF_STATUS_UNKNOWN:
-               color_fprintf(s->fp, c, "unknown:    %s", one);
+               status_printf_more(s, c, _("unknown:    %s"), one);
                break;
        case DIFF_STATUS_UNMERGED:
-               color_fprintf(s->fp, c, "unmerged:   %s", one);
+               status_printf_more(s, c, _("unmerged:   %s"), one);
                break;
        default:
-               die("bug: unhandled diff status %c", p->status);
+               die(_("bug: unhandled diff status %c"), status);
+       }
+       if (extra.len) {
+               status_printf_more(s, color(WT_STATUS_HEADER, s), "%s", extra.buf);
+               strbuf_release(&extra);
        }
-       fprintf(s->fp, "\n");
+       status_printf_more(s, GIT_COLOR_NORMAL, "\n");
        strbuf_release(&onebuf);
        strbuf_release(&twobuf);
 }
 
-static void wt_status_print_updated_cb(struct diff_queue_struct *q,
-               struct diff_options *options,
-               void *data)
+static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
+                                        struct diff_options *options,
+                                        void *data)
 {
        struct wt_status *s = data;
-       int shown_header = 0;
        int i;
+
+       if (!q->nr)
+               return;
+       s->workdir_dirty = 1;
        for (i = 0; i < q->nr; i++) {
-               if (q->queue[i]->status == 'U')
-                       continue;
-               if (!shown_header) {
-                       wt_status_print_cached_header(s);
-                       s->commitable = 1;
-                       shown_header = 1;
+               struct diff_filepair *p;
+               struct string_list_item *it;
+               struct wt_status_change_data *d;
+
+               p = q->queue[i];
+               it = string_list_insert(&s->change, p->one->path);
+               d = it->util;
+               if (!d) {
+                       d = xcalloc(1, sizeof(*d));
+                       it->util = d;
                }
-               wt_status_print_filepair(s, WT_STATUS_UPDATED, q->queue[i]);
+               if (!d->worktree_status)
+                       d->worktree_status = p->status;
+               d->dirty_submodule = p->two->dirty_submodule;
+               if (S_ISGITLINK(p->two->mode))
+                       d->new_submodule_commits = !!hashcmp(p->one->sha1, p->two->sha1);
        }
-       if (shown_header)
-               wt_status_print_trailer(s);
 }
 
-static void wt_status_print_changed_cb(struct diff_queue_struct *q,
-                        struct diff_options *options,
-                        void *data)
+static int unmerged_mask(const char *path)
 {
-       struct wt_status *s = data;
-       int i;
-       if (q->nr) {
-               const char *msg = use_add_msg;
-               s->workdir_dirty = 1;
-               for (i = 0; i < q->nr; i++)
-                       if (q->queue[i]->status == DIFF_STATUS_DELETED) {
-                               msg = use_add_rm_msg;
-                               break;
-                       }
-               wt_status_print_header(s, "Changed but not updated", msg);
+       int pos, mask;
+       struct cache_entry *ce;
+
+       pos = cache_name_pos(path, strlen(path));
+       if (0 <= pos)
+               return 0;
+
+       mask = 0;
+       pos = -pos-1;
+       while (pos < active_nr) {
+               ce = active_cache[pos++];
+               if (strcmp(ce->name, path) || !ce_stage(ce))
+                       break;
+               mask |= (1 << (ce_stage(ce) - 1));
        }
-       for (i = 0; i < q->nr; i++)
-               wt_status_print_filepair(s, WT_STATUS_CHANGED, q->queue[i]);
-       if (q->nr)
-               wt_status_print_trailer(s);
+       return mask;
 }
 
-static void wt_status_print_initial(struct wt_status *s)
+static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
+                                        struct diff_options *options,
+                                        void *data)
 {
+       struct wt_status *s = data;
        int i;
-       struct strbuf buf;
 
-       strbuf_init(&buf, 0);
-       if (active_nr) {
-               s->commitable = 1;
-               wt_status_print_cached_header(s);
-       }
-       for (i = 0; i < active_nr; i++) {
-               color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
-               color_fprintf_ln(s->fp, color(WT_STATUS_UPDATED), "new file: %s",
-                               quote_path(active_cache[i]->name, -1,
-                                          &buf, s->prefix));
+       for (i = 0; i < q->nr; i++) {
+               struct diff_filepair *p;
+               struct string_list_item *it;
+               struct wt_status_change_data *d;
+
+               p = q->queue[i];
+               it = string_list_insert(&s->change, p->two->path);
+               d = it->util;
+               if (!d) {
+                       d = xcalloc(1, sizeof(*d));
+                       it->util = d;
+               }
+               if (!d->index_status)
+                       d->index_status = p->status;
+               switch (p->status) {
+               case DIFF_STATUS_COPIED:
+               case DIFF_STATUS_RENAMED:
+                       d->head_path = xstrdup(p->one->path);
+                       break;
+               case DIFF_STATUS_UNMERGED:
+                       d->stagemask = unmerged_mask(p->two->path);
+                       break;
+               }
        }
-       if (active_nr)
-               wt_status_print_trailer(s);
-       strbuf_release(&buf);
 }
 
-static void wt_status_print_updated(struct wt_status *s)
+static void wt_status_collect_changes_worktree(struct wt_status *s)
 {
        struct rev_info rev;
+
        init_revisions(&rev, NULL);
-       setup_revisions(0, NULL, &rev, s->reference);
+       setup_revisions(0, NULL, &rev, NULL);
        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
-       rev.diffopt.format_callback = wt_status_print_updated_cb;
+       DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
+       if (!s->show_untracked_files)
+               DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
+       if (s->ignore_submodule_arg) {
+               DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
+               handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
+    }
+       rev.diffopt.format_callback = wt_status_collect_changed_cb;
+       rev.diffopt.format_callback_data = s;
+       init_pathspec(&rev.prune_data, s->pathspec);
+       run_diff_files(&rev, 0);
+}
+
+static void wt_status_collect_changes_index(struct wt_status *s)
+{
+       struct rev_info rev;
+       struct setup_revision_opt opt;
+
+       init_revisions(&rev, NULL);
+       memset(&opt, 0, sizeof(opt));
+       opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
+       setup_revisions(0, NULL, &rev, &opt);
+
+       if (s->ignore_submodule_arg) {
+               DIFF_OPT_SET(&rev.diffopt, OVERRIDE_SUBMODULE_CONFIG);
+               handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
+       }
+
+       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.rename_limit = 200;
        rev.diffopt.break_opt = 0;
+       init_pathspec(&rev.prune_data, s->pathspec);
        run_diff_index(&rev, 1);
 }
 
+static void wt_status_collect_changes_initial(struct wt_status *s)
+{
+       struct pathspec pathspec;
+       int i;
+
+       init_pathspec(&pathspec, s->pathspec);
+       for (i = 0; i < active_nr; i++) {
+               struct string_list_item *it;
+               struct wt_status_change_data *d;
+               struct cache_entry *ce = active_cache[i];
+
+               if (!ce_path_match(ce, &pathspec))
+                       continue;
+               it = string_list_insert(&s->change, ce->name);
+               d = it->util;
+               if (!d) {
+                       d = xcalloc(1, sizeof(*d));
+                       it->util = d;
+               }
+               if (ce_stage(ce)) {
+                       d->index_status = DIFF_STATUS_UNMERGED;
+                       d->stagemask |= (1 << (ce_stage(ce) - 1));
+               }
+               else
+                       d->index_status = DIFF_STATUS_ADDED;
+       }
+       free_pathspec(&pathspec);
+}
+
+static void wt_status_collect_untracked(struct wt_status *s)
+{
+       int i;
+       struct dir_struct dir;
+
+       if (!s->show_untracked_files)
+               return;
+       memset(&dir, 0, sizeof(dir));
+       if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
+               dir.flags |=
+                       DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
+       setup_standard_excludes(&dir);
+
+       fill_directory(&dir, s->pathspec);
+       for (i = 0; i < dir.nr; i++) {
+               struct dir_entry *ent = dir.entries[i];
+               if (cache_name_is_other(ent->name, ent->len) &&
+                   match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
+                       string_list_insert(&s->untracked, ent->name);
+               free(ent);
+       }
+
+       if (s->show_ignored_files) {
+               dir.nr = 0;
+               dir.flags = DIR_SHOW_IGNORED | DIR_SHOW_OTHER_DIRECTORIES;
+               fill_directory(&dir, s->pathspec);
+               for (i = 0; i < dir.nr; i++) {
+                       struct dir_entry *ent = dir.entries[i];
+                       if (cache_name_is_other(ent->name, ent->len) &&
+                           match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
+                               string_list_insert(&s->ignored, ent->name);
+                       free(ent);
+               }
+       }
+
+       free(dir.entries);
+}
+
+void wt_status_collect(struct wt_status *s)
+{
+       wt_status_collect_changes_worktree(s);
+
+       if (s->is_initial)
+               wt_status_collect_changes_initial(s);
+       else
+               wt_status_collect_changes_index(s);
+       wt_status_collect_untracked(s);
+}
+
+static void wt_status_print_unmerged(struct wt_status *s)
+{
+       int shown_header = 0;
+       int i;
+
+       for (i = 0; i < s->change.nr; i++) {
+               struct wt_status_change_data *d;
+               struct string_list_item *it;
+               it = &(s->change.items[i]);
+               d = it->util;
+               if (!d->stagemask)
+                       continue;
+               if (!shown_header) {
+                       wt_status_print_unmerged_header(s);
+                       shown_header = 1;
+               }
+               wt_status_print_unmerged_data(s, it);
+       }
+       if (shown_header)
+               wt_status_print_trailer(s);
+
+}
+
+static void wt_status_print_updated(struct wt_status *s)
+{
+       int shown_header = 0;
+       int i;
+
+       for (i = 0; i < s->change.nr; i++) {
+               struct wt_status_change_data *d;
+               struct string_list_item *it;
+               it = &(s->change.items[i]);
+               d = it->util;
+               if (!d->index_status ||
+                   d->index_status == DIFF_STATUS_UNMERGED)
+                       continue;
+               if (!shown_header) {
+                       wt_status_print_cached_header(s);
+                       s->commitable = 1;
+                       shown_header = 1;
+               }
+               wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
+       }
+       if (shown_header)
+               wt_status_print_trailer(s);
+}
+
+/*
+ * -1 : has delete
+ *  0 : no change
+ *  1 : some change but no delete
+ */
+static int wt_status_check_worktree_changes(struct wt_status *s,
+                                            int *dirty_submodules)
+{
+       int i;
+       int changes = 0;
+
+       *dirty_submodules = 0;
+
+       for (i = 0; i < s->change.nr; i++) {
+               struct wt_status_change_data *d;
+               d = s->change.items[i].util;
+               if (!d->worktree_status ||
+                   d->worktree_status == DIFF_STATUS_UNMERGED)
+                       continue;
+               if (!changes)
+                       changes = 1;
+               if (d->dirty_submodule)
+                       *dirty_submodules = 1;
+               if (d->worktree_status == DIFF_STATUS_DELETED)
+                       changes = -1;
+       }
+       return changes;
+}
+
 static void wt_status_print_changed(struct wt_status *s)
 {
-       struct rev_info rev;
-       init_revisions(&rev, "");
-       setup_revisions(0, NULL, &rev, NULL);
-       rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
-       rev.diffopt.format_callback = wt_status_print_changed_cb;
-       rev.diffopt.format_callback_data = s;
-       run_diff_files(&rev, 0);
+       int i, dirty_submodules;
+       int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
+
+       if (!worktree_changes)
+               return;
+
+       wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
+
+       for (i = 0; i < s->change.nr; i++) {
+               struct wt_status_change_data *d;
+               struct string_list_item *it;
+               it = &(s->change.items[i]);
+               d = it->util;
+               if (!d->worktree_status ||
+                   d->worktree_status == DIFF_STATUS_UNMERGED)
+                       continue;
+               wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
+       }
+       wt_status_print_trailer(s);
 }
 
-static void wt_status_print_submodule_summary(struct wt_status *s)
+static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 {
        struct child_process sm_summary;
        char summary_limit[64];
        char index[PATH_MAX];
-       const char *env[] = { index, NULL };
-       const char *argv[] = {
-               "submodule",
-               "summary",
-               "--cached",
-               "--for-status",
-               "--summary-limit",
-               summary_limit,
-               s->amend ? "HEAD^" : "HEAD",
-               NULL
-       };
-
-       sprintf(summary_limit, "%d", wt_status_submodule_summary);
+       const char *env[] = { NULL, NULL };
+       const char *argv[8];
+
+       env[0] =        index;
+       argv[0] =       "submodule";
+       argv[1] =       "summary";
+       argv[2] =       uncommitted ? "--files" : "--cached";
+       argv[3] =       "--for-status";
+       argv[4] =       "--summary-limit";
+       argv[5] =       summary_limit;
+       argv[6] =       uncommitted ? NULL : (s->amend ? "HEAD^" : "HEAD");
+       argv[7] =       NULL;
+
+       sprintf(summary_limit, "%d", s->submodule_summary);
        snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 
        memset(&sm_summary, 0, sizeof(sm_summary));
@@ -257,48 +634,26 @@ static void wt_status_print_submodule_summary(struct wt_status *s)
        run_command(&sm_summary);
 }
 
-static void wt_status_print_untracked(struct wt_status *s)
+static void wt_status_print_other(struct wt_status *s,
+                                 struct string_list *l,
+                                 const char *what,
+                                 const char *how)
 {
-       struct dir_struct dir;
        int i;
-       int shown_header = 0;
-       struct strbuf buf;
+       struct strbuf buf = STRBUF_INIT;
 
-       strbuf_init(&buf, 0);
-       memset(&dir, 0, sizeof(dir));
+       if (!s->untracked.nr)
+               return;
 
-       if (!s->untracked) {
-               dir.show_other_directories = 1;
-               dir.hide_empty_directories = 1;
-       }
-       setup_standard_excludes(&dir);
+       wt_status_print_other_header(s, what, how);
 
-       read_directory(&dir, ".", "", 0, NULL);
-       for(i = 0; i < dir.nr; i++) {
-               /* check for matching entry, which is unmerged; lifted from
-                * builtin-ls-files:show_other_files */
-               struct dir_entry *ent = dir.entries[i];
-               int pos = cache_name_pos(ent->name, ent->len);
-               struct cache_entry *ce;
-               if (0 <= pos)
-                       die("bug in wt_status_print_untracked");
-               pos = -pos - 1;
-               if (pos < active_nr) {
-                       ce = active_cache[pos];
-                       if (ce_namelen(ce) == ent->len &&
-                           !memcmp(ce->name, ent->name, ent->len))
-                               continue;
-               }
-               if (!shown_header) {
-                       s->workdir_untracked = 1;
-                       wt_status_print_header(s, "Untracked files",
-                                              use_add_to_include_msg);
-                       shown_header = 1;
-               }
-               color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
-               color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED), "%s",
-                               quote_path(ent->name, ent->len,
-                                       &buf, s->prefix));
+       for (i = 0; i < l->nr; i++) {
+               struct string_list_item *it;
+               it = &(l->items[i]);
+               status_printf(s, color(WT_STATUS_HEADER, s), "\t");
+               status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
+                       "%s\n", quote_path(it->string, strlen(it->string),
+                                           &buf, s->prefix));
        }
        strbuf_release(&buf);
 }
@@ -306,13 +661,27 @@ static void wt_status_print_untracked(struct wt_status *s)
 static void wt_status_print_verbose(struct wt_status *s)
 {
        struct rev_info rev;
+       struct setup_revision_opt opt;
 
        init_revisions(&rev, NULL);
-       setup_revisions(0, NULL, &rev, s->reference);
+       DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
+
+       memset(&opt, 0, sizeof(opt));
+       opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
+       setup_revisions(0, NULL, &rev, &opt);
+
        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
        rev.diffopt.detect_rename = 1;
        rev.diffopt.file = s->fp;
        rev.diffopt.close_file = 0;
+       /*
+        * If we're not going to stdout, then we definitely don't
+        * want color, since we are going to the commit message
+        * file (and even the "auto" setting won't work, since it
+        * will have checked isatty on stdout).
+        */
+       if (s->fp != stdout)
+               DIFF_OPT_CLR(&rev.diffopt, COLOR_DIFF);
        run_diff_index(&rev, 1);
 }
 
@@ -330,107 +699,260 @@ static void wt_status_print_tracking(struct wt_status *s)
                return;
 
        for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
-               color_fprintf_ln(s->fp, color(WT_STATUS_HEADER),
+               color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
                                 "# %.*s", (int)(ep - cp), cp);
-       color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
+       color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 }
 
 void wt_status_print(struct wt_status *s)
 {
-       unsigned char sha1[20];
-       const char *branch_color = color(WT_STATUS_HEADER);
+       const char *branch_color = color(WT_STATUS_ONBRANCH, s);
+       const char *branch_status_color = color(WT_STATUS_HEADER, s);
 
-       s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
        if (s->branch) {
-               const char *on_what = "On branch ";
+               const char *on_what = _("On branch ");
                const char *branch_name = s->branch;
                if (!prefixcmp(branch_name, "refs/heads/"))
                        branch_name += 11;
                else if (!strcmp(branch_name, "HEAD")) {
                        branch_name = "";
-                       branch_color = color(WT_STATUS_NOBRANCH);
-                       on_what = "Not currently on any branch.";
+                       branch_status_color = color(WT_STATUS_NOBRANCH, s);
+                       on_what = _("Not currently on any branch.");
                }
-               color_fprintf(s->fp, color(WT_STATUS_HEADER), "# ");
-               color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name);
+               status_printf(s, color(WT_STATUS_HEADER, s), "");
+               status_printf_more(s, branch_status_color, "%s", on_what);
+               status_printf_more(s, branch_color, "%s\n", branch_name);
                if (!s->is_initial)
                        wt_status_print_tracking(s);
        }
 
        if (s->is_initial) {
-               color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
-               color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "# Initial commit");
-               color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
-               wt_status_print_initial(s);
-       }
-       else {
-               wt_status_print_updated(s);
+               status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
+               status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));
+               status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
        }
 
+       wt_status_print_updated(s);
+       wt_status_print_unmerged(s);
        wt_status_print_changed(s);
-       if (wt_status_submodule_summary)
-               wt_status_print_submodule_summary(s);
-       if (show_untracked_files)
-               wt_status_print_untracked(s);
-       else if (s->commitable)
-                fprintf(s->fp, "# Untracked files not listed (use -u option to show untracked files)\n");
-
-       if (s->verbose && !s->is_initial)
+       if (s->submodule_summary &&
+           (!s->ignore_submodule_arg ||
+            strcmp(s->ignore_submodule_arg, "all"))) {
+               wt_status_print_submodule_summary(s, 0);  /* staged */
+               wt_status_print_submodule_summary(s, 1);  /* unstaged */
+       }
+       if (s->show_untracked_files) {
+               wt_status_print_other(s, &s->untracked, _("Untracked"), "add");
+               if (s->show_ignored_files)
+                       wt_status_print_other(s, &s->ignored, _("Ignored"), "add -f");
+       } else if (s->commitable)
+               status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
+                       advice_status_hints
+                       ? _(" (use -u option to show untracked files)") : "");
+
+       if (s->verbose)
                wt_status_print_verbose(s);
        if (!s->commitable) {
                if (s->amend)
-                       fprintf(s->fp, "# No changes\n");
+                       status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes"));
                else if (s->nowarn)
                        ; /* nothing */
                else if (s->workdir_dirty)
-                       printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
-               else if (s->workdir_untracked)
-                       printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
+                       printf(_("no changes added to commit%s\n"),
+                               advice_status_hints
+                               ? _(" (use \"git add\" and/or \"git commit -a\")") : "");
+               else if (s->untracked.nr)
+                       printf(_("nothing added to commit but untracked files present%s\n"),
+                               advice_status_hints
+                               ? _(" (use \"git add\" to track)") : "");
                else if (s->is_initial)
-                       printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
-               else if (!show_untracked_files)
-                       printf("nothing to commit (use -u to show untracked files)\n");
+                       printf(_("nothing to commit%s\n"), advice_status_hints
+                               ? _(" (create/copy files and use \"git add\" to track)") : "");
+               else if (!s->show_untracked_files)
+                       printf(_("nothing to commit%s\n"), advice_status_hints
+                               ? _(" (use -u to show untracked files)") : "");
                else
-                       printf("nothing to commit (working directory clean)\n");
+                       printf(_("nothing to commit%s\n"), advice_status_hints
+                               ? _(" (working directory clean)") : "");
        }
 }
 
-int git_status_config(const char *k, const char *v, void *cb)
+static void wt_shortstatus_unmerged(int null_termination, struct string_list_item *it,
+                          struct wt_status *s)
 {
-       if (!strcmp(k, "status.submodulesummary")) {
-               int is_bool;
-               wt_status_submodule_summary = git_config_bool_or_int(k, v, &is_bool);
-               if (is_bool && wt_status_submodule_summary)
-                       wt_status_submodule_summary = -1;
-               return 0;
+       struct wt_status_change_data *d = it->util;
+       const char *how = "??";
+
+       switch (d->stagemask) {
+       case 1: how = "DD"; break; /* both deleted */
+       case 2: how = "AU"; break; /* added by us */
+       case 3: how = "UD"; break; /* deleted by them */
+       case 4: how = "UA"; break; /* added by them */
+       case 5: how = "DU"; break; /* deleted by us */
+       case 6: how = "AA"; break; /* both added */
+       case 7: how = "UU"; break; /* both modified */
        }
-       if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
-               wt_status_use_color = git_config_colorbool(k, v, -1);
-               return 0;
+       color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
+       if (null_termination) {
+               fprintf(stdout, " %s%c", it->string, 0);
+       } else {
+               struct strbuf onebuf = STRBUF_INIT;
+               const char *one;
+               one = quote_path(it->string, -1, &onebuf, s->prefix);
+               printf(" %s\n", one);
+               strbuf_release(&onebuf);
        }
-       if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) {
-               int slot = parse_status_slot(k, 13);
-               if (!v)
-                       return config_error_nonbool(k);
-               color_parse(v, k, wt_status_colors[slot]);
-               return 0;
+}
+
+static void wt_shortstatus_status(int null_termination, struct string_list_item *it,
+                        struct wt_status *s)
+{
+       struct wt_status_change_data *d = it->util;
+
+       if (d->index_status)
+               color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
+       else
+               putchar(' ');
+       if (d->worktree_status)
+               color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
+       else
+               putchar(' ');
+       putchar(' ');
+       if (null_termination) {
+               fprintf(stdout, "%s%c", it->string, 0);
+               if (d->head_path)
+                       fprintf(stdout, "%s%c", d->head_path, 0);
+       } else {
+               struct strbuf onebuf = STRBUF_INIT;
+               const char *one;
+               if (d->head_path) {
+                       one = quote_path(d->head_path, -1, &onebuf, s->prefix);
+                       if (*one != '"' && strchr(one, ' ') != NULL) {
+                               putchar('"');
+                               strbuf_addch(&onebuf, '"');
+                               one = onebuf.buf;
+                       }
+                       printf("%s -> ", one);
+                       strbuf_release(&onebuf);
+               }
+               one = quote_path(it->string, -1, &onebuf, s->prefix);
+               if (*one != '"' && strchr(one, ' ') != NULL) {
+                       putchar('"');
+                       strbuf_addch(&onebuf, '"');
+                       one = onebuf.buf;
+               }
+               printf("%s\n", one);
+               strbuf_release(&onebuf);
        }
-       if (!strcmp(k, "status.relativepaths")) {
-               wt_status_relative_paths = git_config_bool(k, v);
-               return 0;
+}
+
+static void wt_shortstatus_other(int null_termination, struct string_list_item *it,
+                                struct wt_status *s, const char *sign)
+{
+       if (null_termination) {
+               fprintf(stdout, "%s %s%c", sign, it->string, 0);
+       } else {
+               struct strbuf onebuf = STRBUF_INIT;
+               const char *one;
+               one = quote_path(it->string, -1, &onebuf, s->prefix);
+               color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
+               printf(" %s\n", one);
+               strbuf_release(&onebuf);
        }
-       if (!strcmp(k, "status.showuntrackedfiles")) {
-               if (!v)
-                       return config_error_nonbool(k);
-               else if (!strcmp(v, "no"))
-                       show_untracked_files = SHOW_NO_UNTRACKED_FILES;
-               else if (!strcmp(v, "normal"))
-                       show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
-               else if (!strcmp(v, "all"))
-                       show_untracked_files = SHOW_ALL_UNTRACKED_FILES;
+}
+
+static void wt_shortstatus_print_tracking(struct wt_status *s)
+{
+       struct branch *branch;
+       const char *header_color = color(WT_STATUS_HEADER, s);
+       const char *branch_color_local = color(WT_STATUS_LOCAL_BRANCH, s);
+       const char *branch_color_remote = color(WT_STATUS_REMOTE_BRANCH, s);
+
+       const char *base;
+       const char *branch_name;
+       int num_ours, num_theirs;
+
+       color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
+
+       if (!s->branch)
+               return;
+       branch_name = s->branch;
+
+       if (!prefixcmp(branch_name, "refs/heads/"))
+               branch_name += 11;
+       else if (!strcmp(branch_name, "HEAD")) {
+               branch_name = _("HEAD (no branch)");
+               branch_color_local = color(WT_STATUS_NOBRANCH, s);
+       }
+
+       branch = branch_get(s->branch + 11);
+       if (s->is_initial)
+               color_fprintf(s->fp, header_color, _("Initial commit on "));
+       if (!stat_tracking_info(branch, &num_ours, &num_theirs)) {
+               color_fprintf_ln(s->fp, branch_color_local,
+                       "%s", branch_name);
+               return;
+       }
+
+       base = branch->merge[0]->dst;
+       base = shorten_unambiguous_ref(base, 0);
+       color_fprintf(s->fp, branch_color_local, "%s", branch_name);
+       color_fprintf(s->fp, header_color, "...");
+       color_fprintf(s->fp, branch_color_remote, "%s", base);
+
+       color_fprintf(s->fp, header_color, " [");
+       if (!num_ours) {
+               color_fprintf(s->fp, header_color, _("behind "));
+               color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
+       } else if (!num_theirs) {
+               color_fprintf(s->fp, header_color, _("ahead "));
+               color_fprintf(s->fp, branch_color_local, "%d", num_ours);
+       } else {
+               color_fprintf(s->fp, header_color, _("ahead "));
+               color_fprintf(s->fp, branch_color_local, "%d", num_ours);
+               color_fprintf(s->fp, header_color, _(", behind "));
+               color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
+       }
+
+       color_fprintf_ln(s->fp, header_color, "]");
+}
+
+void wt_shortstatus_print(struct wt_status *s, int null_termination, int show_branch)
+{
+       int i;
+
+       if (show_branch)
+               wt_shortstatus_print_tracking(s);
+
+       for (i = 0; i < s->change.nr; i++) {
+               struct wt_status_change_data *d;
+               struct string_list_item *it;
+
+               it = &(s->change.items[i]);
+               d = it->util;
+               if (d->stagemask)
+                       wt_shortstatus_unmerged(null_termination, it, s);
                else
-                       return error("Invalid untracked files mode '%s'", v);
-               return 0;
+                       wt_shortstatus_status(null_termination, it, s);
        }
-       return git_color_default_config(k, v, cb);
+       for (i = 0; i < s->untracked.nr; i++) {
+               struct string_list_item *it;
+
+               it = &(s->untracked.items[i]);
+               wt_shortstatus_other(null_termination, it, s, "??");
+       }
+       for (i = 0; i < s->ignored.nr; i++) {
+               struct string_list_item *it;
+
+               it = &(s->ignored.items[i]);
+               wt_shortstatus_other(null_termination, it, s, "!!");
+       }
+}
+
+void wt_porcelain_print(struct wt_status *s, int null_termination)
+{
+       s->use_color = 0;
+       s->relative_paths = 0;
+       s->prefix = NULL;
+       wt_shortstatus_print(s, null_termination, 0);
 }