1 files changed, 1192 insertions, 169 deletions

diff --git a/wt-status.c b/wt-status.c
index 38eb24536b..33452f169d 100644
--- a/wt-status.c
+++ b/wt-status.c
@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "pathspec.h"
 #include "wt-status.h"
 #include "object.h"
 #include "dir.h"
@@ -8,7 +9,16 @@
 #include "diffcore.h"
 #include "quote.h"
 #include "run-command.h"
+#include "argv-array.h"
 #include "remote.h"
+#include "refs.h"
+#include "submodule.h"
+#include "column.h"
+#include "strbuf.h"
+#include "utf8.h"
+
+static const char cut_line[] =
+"------------------------ >8 ------------------------\n";
 
 static char default_wt_status_colors[][COLOR_MAXLEN] = {
 	GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
@@ -17,17 +27,100 @@ static char default_wt_status_colors[][COLOR_MAXLEN] = {
 	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 *color(int slot, struct wt_status *s)
 {
-	return s->use_color > 0 ? s->color_palette[slot] : "";
+	const char *c = "";
+	if (want_color(s->use_color))
+		c = s->color_palette[slot];
+	if (slot == WT_STATUS_ONBRANCH && color_is_nil(c))
+		c = s->color_palette[WT_STATUS_HEADER];
+	return c;
+}
+
+static void status_vprintf(struct wt_status *s, int at_bol, const char *color,
+		const char *fmt, va_list ap, const char *trail)
+{
+	struct strbuf sb = STRBUF_INIT;
+	struct strbuf linebuf = STRBUF_INIT;
+	const char *line, *eol;
+
+	strbuf_vaddf(&sb, fmt, ap);
+	if (!sb.len) {
+		if (s->display_comment_prefix) {
+			strbuf_addch(&sb, comment_line_char);
+			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 && s->display_comment_prefix) {
+			strbuf_addch(&linebuf, comment_line_char);
+			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);
+}
+
+void status_printf_ln(struct wt_status *s, const char *color,
+			const char *fmt, ...)
+{
+	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);
+}
+
+static 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)
 {
 	unsigned char sha1[20];
-	const char *head;
 
 	memset(s, 0, sizeof(*s));
 	memcpy(s->color_palette, default_wt_status_colors,
@@ -35,95 +128,206 @@ void wt_status_prepare(struct wt_status *s)
 	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->branch = resolve_refdup("HEAD", 0, sha1, 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;
+	s->show_branch = -1;  /* unspecified */
+	s->display_comment_prefix = 0;
 }
 
 static void wt_status_print_unmerged_header(struct wt_status *s)
 {
+	int i;
+	int del_mod_conflict = 0;
+	int both_deleted = 0;
+	int not_deleted = 0;
 	const char *c = color(WT_STATUS_HEADER, s);
-	color_fprintf_ln(s->fp, c, "# Unmerged paths:");
-	if (!advice_status_hints)
+
+	status_printf_ln(s, c, _("Unmerged paths:"));
+
+	for (i = 0; i < s->change.nr; i++) {
+		struct string_list_item *it = &(s->change.items[i]);
+		struct wt_status_change_data *d = it->util;
+
+		switch (d->stagemask) {
+		case 0:
+			break;
+		case 1:
+			both_deleted = 1;
+			break;
+		case 3:
+		case 5:
+			del_mod_conflict = 1;
+			break;
+		default:
+			not_deleted = 1;
+			break;
+		}
+	}
+
+	if (!s->hints)
 		return;
-	if (!s->is_initial)
-		color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
+	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
-		color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
-	color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to mark resolution)");
-	color_fprintf_ln(s->fp, c, "#");
+		status_printf_ln(s, c, _("  (use \"git rm --cached <file>...\" to unstage)"));
+
+	if (!both_deleted) {
+		if (!del_mod_conflict)
+			status_printf_ln(s, c, _("  (use \"git add <file>...\" to mark resolution)"));
+		else
+			status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
+	} else if (!del_mod_conflict && !not_deleted) {
+		status_printf_ln(s, c, _("  (use \"git rm <file>...\" to mark resolution)"));
+	} else {
+		status_printf_ln(s, c, _("  (use \"git add/rm <file>...\" as appropriate to mark resolution)"));
+	}
+	status_printf_ln(s, c, "%s", "");
 }
 
 static void wt_status_print_cached_header(struct wt_status *s)
 {
 	const char *c = color(WT_STATUS_HEADER, s);
-	color_fprintf_ln(s->fp, c, "# Changes to be committed:");
-	if (!advice_status_hints)
+
+	status_printf_ln(s, c, _("Changes to be committed:"));
+	if (!s->hints)
 		return;
-	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, "#");
+	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, "%s", "");
 }
 
 static void wt_status_print_dirty_header(struct wt_status *s,
-					 int has_deleted)
+					 int has_deleted,
+					 int has_dirty_submodules)
 {
 	const char *c = color(WT_STATUS_HEADER, s);
-	color_fprintf_ln(s->fp, c, "# Changed but not updated:");
-	if (!advice_status_hints)
+
+	status_printf_ln(s, c, _("Changes not staged for commit:"));
+	if (!s->hints)
 		return;
 	if (!has_deleted)
-		color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to update what will be committed)");
+		status_printf_ln(s, c, _("  (use \"git add <file>...\" to update what will be committed)"));
 	else
-		color_fprintf_ln(s->fp, c, "#   (use \"git add/rm <file>...\" to update what will be committed)");
-	color_fprintf_ln(s->fp, c, "#   (use \"git checkout -- <file>...\" to discard changes in working directory)");
-	color_fprintf_ln(s->fp, c, "#");
+		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, "%s", "");
 }
 
-static void wt_status_print_untracked_header(struct wt_status *s)
+static void wt_status_print_other_header(struct wt_status *s,
+					 const char *what,
+					 const char *how)
 {
 	const char *c = color(WT_STATUS_HEADER, s);
-	color_fprintf_ln(s->fp, c, "# Untracked files:");
-	if (!advice_status_hints)
+	status_printf_ln(s, c, "%s:", what);
+	if (!s->hints)
 		return;
-	color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to include in what will be committed)");
-	color_fprintf_ln(s->fp, c, "#");
+	status_printf_ln(s, c, _("  (use \"git %s <file>...\" to include in what will be committed)"), how);
+	status_printf_ln(s, c, "%s", "");
 }
 
 static void wt_status_print_trailer(struct wt_status *s)
 {
-	color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
+	status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
 }
 
 #define quote_path quote_path_relative
 
+static const char *wt_status_unmerged_status_string(int stagemask)
+{
+	switch (stagemask) {
+	case 1:
+		return _("both deleted:");
+	case 2:
+		return _("added by us:");
+	case 3:
+		return _("deleted by them:");
+	case 4:
+		return _("added by them:");
+	case 5:
+		return _("deleted by us:");
+	case 6:
+		return _("both added:");
+	case 7:
+		return _("both modified:");
+	default:
+		die(_("bug: unhandled unmerged status %x"), stagemask);
+	}
+}
+
+static const char *wt_status_diff_status_string(int status)
+{
+	switch (status) {
+	case DIFF_STATUS_ADDED:
+		return _("new file:");
+	case DIFF_STATUS_COPIED:
+		return _("copied:");
+	case DIFF_STATUS_DELETED:
+		return _("deleted:");
+	case DIFF_STATUS_MODIFIED:
+		return _("modified:");
+	case DIFF_STATUS_RENAMED:
+		return _("renamed:");
+	case DIFF_STATUS_TYPE_CHANGED:
+		return _("typechange:");
+	case DIFF_STATUS_UNKNOWN:
+		return _("unknown:");
+	case DIFF_STATUS_UNMERGED:
+		return _("unmerged:");
+	default:
+		return NULL;
+	}
+}
+
+static int maxwidth(const char *(*label)(int), int minval, int maxval)
+{
+	int result = 0, i;
+
+	for (i = minval; i <= maxval; i++) {
+		const char *s = label(i);
+		int len = s ? utf8_strwidth(s) : 0;
+		if (len > result)
+			result = len;
+	}
+	return result;
+}
+
 static void wt_status_print_unmerged_data(struct wt_status *s,
 					  struct string_list_item *it)
 {
 	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";
+	static char *padding;
+	static int label_width;
+	const char *one, *how;
+	int len;
+
+	if (!padding) {
+		label_width = maxwidth(wt_status_unmerged_status_string, 1, 7);
+		label_width += strlen(" ");
+		padding = xmallocz(label_width);
+		memset(padding, ' ', label_width);
+	}
 
-	one = quote_path(it->string, -1, &onebuf, s->prefix);
-	color_fprintf(s->fp, 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;
-	}
-	color_fprintf(s->fp, c, "%-20s%s\n", how, one);
+	one = quote_path(it->string, s->prefix, &onebuf);
+	status_printf(s, color(WT_STATUS_HEADER, s), "\t");
+
+	how = wt_status_unmerged_status_string(d->stagemask);
+	len = label_width - utf8_strwidth(how);
+	status_printf_more(s, c, "%s%.*s%s\n", how, len, padding, one);
 	strbuf_release(&onebuf);
 }
 
@@ -133,11 +337,24 @@ static void wt_status_print_change_data(struct wt_status *s,
 {
 	struct wt_status_change_data *d = it->util;
 	const char *c = color(change_type, s);
-	int status = status;
+	int status;
 	char *one_name;
 	char *two_name;
 	const char *one, *two;
 	struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
+	struct strbuf extra = STRBUF_INIT;
+	static char *padding;
+	static int label_width;
+	const char *what;
+	int len;
+
+	if (!padding) {
+		/* If DIFF_STATUS_* uses outside the range [A..Z], we're in trouble */
+		label_width = maxwidth(wt_status_diff_status_string, 'A', 'Z');
+		label_width += strlen(" ");
+		padding = xmallocz(label_width);
+		memset(padding, ' ', label_width);
+	}
 
 	one_name = two_name = it->string;
 	switch (change_type) {
@@ -147,43 +364,44 @@ static void wt_status_print_change_data(struct wt_status *s,
 			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;
+	default:
+		die("BUG: unhandled change_type %d in wt_status_print_change_data",
+		    change_type);
 	}
 
-	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, s), "#\t");
-	switch (status) {
-	case DIFF_STATUS_ADDED:
-		color_fprintf(s->fp, c, "new file:   %s", one);
-		break;
-	case DIFF_STATUS_COPIED:
-		color_fprintf(s->fp, c, "copied:     %s -> %s", one, two);
-		break;
-	case DIFF_STATUS_DELETED:
-		color_fprintf(s->fp, c, "deleted:    %s", one);
-		break;
-	case DIFF_STATUS_MODIFIED:
-		color_fprintf(s->fp, c, "modified:   %s", one);
-		break;
-	case DIFF_STATUS_RENAMED:
-		color_fprintf(s->fp, c, "renamed:    %s -> %s", one, two);
-		break;
-	case DIFF_STATUS_TYPE_CHANGED:
-		color_fprintf(s->fp, c, "typechange: %s", one);
-		break;
-	case DIFF_STATUS_UNKNOWN:
-		color_fprintf(s->fp, c, "unknown:    %s", one);
-		break;
-	case DIFF_STATUS_UNMERGED:
-		color_fprintf(s->fp, c, "unmerged:   %s", one);
-		break;
-	default:
-		die("bug: unhandled diff status %c", status);
+	one = quote_path(one_name, s->prefix, &onebuf);
+	two = quote_path(two_name, s->prefix, &twobuf);
+
+	status_printf(s, color(WT_STATUS_HEADER, s), "\t");
+	what = wt_status_diff_status_string(status);
+	if (!what)
+		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)
+		status_printf_more(s, c, "%s%.*s%s -> %s",
+				   what, len, padding, one, two);
+	else
+		status_printf_more(s, c, "%s%.*s%s",
+				   what, len, padding, one);
+	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);
 }
@@ -204,7 +422,7 @@ 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(p->one->path, &s->change);
+		it = string_list_insert(&s->change, p->one->path);
 		d = it->util;
 		if (!d) {
 			d = xcalloc(1, sizeof(*d));
@@ -212,13 +430,16 @@ static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
 		}
 		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);
 	}
 }
 
 static int unmerged_mask(const char *path)
 {
 	int pos, mask;
-	struct cache_entry *ce;
+	const struct cache_entry *ce;
 
 	pos = cache_name_pos(path, strlen(path));
 	if (0 <= pos)
@@ -248,7 +469,7 @@ static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
 		struct wt_status_change_data *d;
 
 		p = q->queue[i];
-		it = string_list_insert(p->two->path, &s->change);
+		it = string_list_insert(&s->change, p->two->path);
 		d = it->util;
 		if (!d) {
 			d = xcalloc(1, sizeof(*d));
@@ -275,24 +496,51 @@ 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);
+	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;
+	copy_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);
-	setup_revisions(0, NULL, &rev,
-		s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference);
+	memset(&opt, 0, sizeof(opt));
+	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);
+	if (s->ignore_submodule_arg) {
+		handle_ignore_submodules_arg(&rev.diffopt, s->ignore_submodule_arg);
+	} else {
+		/*
+		 * Unless the user did explicitly request a submodule ignore
+		 * mode by passing a command line option we do not ignore any
+		 * changed submodule SHA-1s when comparing index and HEAD, no
+		 * matter what is configured. Otherwise the user won't be
+		 * shown any submodules she manually added (and which are
+		 * staged to be committed), which would be really confusing.
+		 */
+		handle_ignore_submodules_arg(&rev.diffopt, "dirty");
+	}
+
 	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;
+	copy_pathspec(&rev.prune_data, &s->pathspec);
 	run_diff_index(&rev, 1);
 }
 
@@ -303,9 +551,11 @@ static void wt_status_collect_changes_initial(struct wt_status *s)
 	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];
+		const struct cache_entry *ce = active_cache[i];
 
-		it = string_list_insert(ce->name, &s->change);
+		if (!ce_path_match(ce, &s->pathspec, NULL))
+			continue;
+		it = string_list_insert(&s->change, ce->name);
 		d = it->util;
 		if (!d) {
 			d = xcalloc(1, sizeof(*d));
@@ -324,23 +574,45 @@ static void wt_status_collect_untracked(struct wt_status *s)
 {
 	int i;
 	struct dir_struct dir;
+	uint64_t t_begin = getnanotime();
 
 	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;
+	if (s->show_ignored_files)
+		dir.flags |= DIR_SHOW_IGNORED_TOO;
+	else
+		dir.untracked = the_index.untracked;
 	setup_standard_excludes(&dir);
 
-	fill_directory(&dir, NULL);
+	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))
-			continue;
-		s->workdir_untracked = 1;
-		string_list_insert(ent->name, &s->untracked);
+		if (cache_name_is_other(ent->name, ent->len) &&
+		    dir_path_match(ent, &s->pathspec, 0, NULL))
+			string_list_insert(&s->untracked, ent->name);
+		free(ent);
+	}
+
+	for (i = 0; i < dir.ignored_nr; i++) {
+		struct dir_entry *ent = dir.ignored[i];
+		if (cache_name_is_other(ent->name, ent->len) &&
+		    dir_path_match(ent, &s->pathspec, 0, NULL))
+			string_list_insert(&s->ignored, ent->name);
+		free(ent);
 	}
+
+	free(dir.entries);
+	free(dir.ignored);
+	clear_directory(&dir);
+
+	if (advice_status_u_option)
+		s->untracked_in_ms = (getnanotime() - t_begin) / 1000000;
 }
 
 void wt_status_collect(struct wt_status *s)
@@ -406,33 +678,39 @@ static void wt_status_print_updated(struct wt_status *s)
  *  0 : no change
  *  1 : some change but no delete
  */
-static int wt_status_check_worktree_changes(struct wt_status *s)
+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;
-		changes = 1;
+		if (!changes)
+			changes = 1;
+		if (d->dirty_submodule)
+			*dirty_submodules = 1;
 		if (d->worktree_status == DIFF_STATUS_DELETED)
-			return -1;
+			changes = -1;
 	}
 	return changes;
 }
 
 static void wt_status_print_changed(struct wt_status *s)
 {
-	int i;
-	int worktree_changes = wt_status_check_worktree_changes(s);
+	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);
+	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;
@@ -447,64 +725,138 @@ static void wt_status_print_changed(struct wt_status *s)
 	wt_status_print_trailer(s);
 }
 
-static void wt_status_print_submodule_summary(struct wt_status *s)
-{
-	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", s->submodule_summary);
-	snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
-
-	memset(&sm_summary, 0, sizeof(sm_summary));
-	sm_summary.argv = argv;
-	sm_summary.env = env;
+static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
+{
+	struct child_process sm_summary = CHILD_PROCESS_INIT;
+	struct strbuf cmd_stdout = STRBUF_INIT;
+	struct strbuf summary = STRBUF_INIT;
+	char *summary_content;
+
+	argv_array_pushf(&sm_summary.env_array, "GIT_INDEX_FILE=%s",
+			 s->index_file);
+
+	argv_array_push(&sm_summary.args, "submodule");
+	argv_array_push(&sm_summary.args, "summary");
+	argv_array_push(&sm_summary.args, uncommitted ? "--files" : "--cached");
+	argv_array_push(&sm_summary.args, "--for-status");
+	argv_array_push(&sm_summary.args, "--summary-limit");
+	argv_array_pushf(&sm_summary.args, "%d", s->submodule_summary);
+	if (!uncommitted)
+		argv_array_push(&sm_summary.args, s->amend ? "HEAD^" : "HEAD");
+
 	sm_summary.git_cmd = 1;
 	sm_summary.no_stdin = 1;
-	fflush(s->fp);
-	sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
-	run_command(&sm_summary);
+
+	capture_command(&sm_summary, &cmd_stdout, 1024);
+
+	/* prepend header, only if there's an actual output */
+	if (cmd_stdout.len) {
+		if (uncommitted)
+			strbuf_addstr(&summary, _("Submodules changed but not updated:"));
+		else
+			strbuf_addstr(&summary, _("Submodule changes to be committed:"));
+		strbuf_addstr(&summary, "\n\n");
+	}
+	strbuf_addbuf(&summary, &cmd_stdout);
+	strbuf_release(&cmd_stdout);
+
+	if (s->display_comment_prefix) {
+		size_t len;
+		summary_content = strbuf_detach(&summary, &len);
+		strbuf_add_commented_lines(&summary, summary_content, len);
+		free(summary_content);
+	}
+
+	fputs(summary.buf, s->fp);
+	strbuf_release(&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)
 {
 	int i;
 	struct strbuf buf = STRBUF_INIT;
+	static struct string_list output = STRING_LIST_INIT_DUP;
+	struct column_options copts;
 
-	if (!s->untracked.nr)
+	if (!l->nr)
 		return;
 
-	wt_status_print_untracked_header(s);
-	for (i = 0; i < s->untracked.nr; i++) {
+	wt_status_print_other_header(s, what, how);
+
+	for (i = 0; i < l->nr; i++) {
 		struct string_list_item *it;
-		it = &(s->untracked.items[i]);
-		color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
-		color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED, s), "%s",
-				 quote_path(it->string, strlen(it->string),
-					    &buf, s->prefix));
+		const char *path;
+		it = &(l->items[i]);
+		path = quote_path(it->string, s->prefix, &buf);
+		if (column_active(s->colopts)) {
+			string_list_append(&output, path);
+			continue;
+		}
+		status_printf(s, color(WT_STATUS_HEADER, s), "\t");
+		status_printf_more(s, color(WT_STATUS_UNTRACKED, s),
+				   "%s\n", path);
 	}
+
+	strbuf_release(&buf);
+	if (!column_active(s->colopts))
+		goto conclude;
+
+	strbuf_addf(&buf, "%s%s\t%s",
+		    color(WT_STATUS_HEADER, s),
+		    s->display_comment_prefix ? "#" : "",
+		    color(WT_STATUS_UNTRACKED, s));
+	memset(&copts, 0, sizeof(copts));
+	copts.padding = 1;
+	copts.indent = buf.buf;
+	if (want_color(s->use_color))
+		copts.nl = GIT_COLOR_RESET "\n";
+	print_columns(&output, s->colopts, &copts);
+	string_list_clear(&output, 0);
+	strbuf_release(&buf);
+conclude:
+	status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
+}
+
+void wt_status_truncate_message_at_cut_line(struct strbuf *buf)
+{
+	const char *p;
+	struct strbuf pattern = STRBUF_INIT;
+
+	strbuf_addf(&pattern, "%c %s", comment_line_char, cut_line);
+	p = strstr(buf->buf, pattern.buf);
+	if (p && (p == buf->buf || p[-1] == '\n'))
+		strbuf_setlen(buf, p - buf->buf);
+	strbuf_release(&pattern);
+}
+
+void wt_status_add_cut_line(FILE *fp)
+{
+	const char *explanation = _("Do not touch the line above.\nEverything below will be removed.");
+	struct strbuf buf = STRBUF_INIT;
+
+	fprintf(fp, "%c %s", comment_line_char, cut_line);
+	strbuf_add_commented_lines(&buf, explanation, strlen(explanation));
+	fputs(buf.buf, fp);
 	strbuf_release(&buf);
 }
 
 static void wt_status_print_verbose(struct wt_status *s)
 {
 	struct rev_info rev;
+	struct setup_revision_opt opt;
+	int dirty_submodules;
+	const char *c = color(WT_STATUS_HEADER, s);
 
 	init_revisions(&rev, NULL);
 	DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
-	setup_revisions(0, NULL, &rev,
-		s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference);
+
+	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;
@@ -513,11 +865,33 @@ static void wt_status_print_verbose(struct wt_status *s)
 	 * 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).
+	 * will have checked isatty on stdout). But we then do want
+	 * to insert the scissor line here to reliably remove the
+	 * diff before committing.
 	 */
-	if (s->fp != stdout)
-		DIFF_OPT_CLR(&rev.diffopt, COLOR_DIFF);
+	if (s->fp != stdout) {
+		rev.diffopt.use_color = 0;
+		wt_status_add_cut_line(s->fp);
+	}
+	if (s->verbose > 1 && s->commitable) {
+		/* print_updated() printed a header, so do we */
+		if (s->fp != stdout)
+			wt_status_print_trailer(s);
+		status_printf_ln(s, c, _("Changes to be committed:"));
+		rev.diffopt.a_prefix = "c/";
+		rev.diffopt.b_prefix = "i/";
+	} /* else use prefix as per user config */
 	run_diff_index(&rev, 1);
+	if (s->verbose > 1 &&
+	    wt_status_check_worktree_changes(s, &dirty_submodules)) {
+		status_printf_ln(s, c,
+			"--------------------------------------------------");
+		status_printf_ln(s, c, _("Changes not staged for commit:"));
+		setup_work_tree();
+		rev.diffopt.a_prefix = "i/";
+		rev.diffopt.b_prefix = "w/";
+		run_diff_files(&rev, 0);
+	}
 }
 
 static void wt_status_print_tracking(struct wt_status *s)
@@ -525,76 +899,725 @@ static void wt_status_print_tracking(struct wt_status *s)
 	struct strbuf sb = STRBUF_INIT;
 	const char *cp, *ep;
 	struct branch *branch;
+	char comment_line_string[3];
+	int i;
 
 	assert(s->branch && !s->is_initial);
-	if (prefixcmp(s->branch, "refs/heads/"))
+	if (!starts_with(s->branch, "refs/heads/"))
 		return;
 	branch = branch_get(s->branch + 11);
 	if (!format_tracking_info(branch, &sb))
 		return;
 
+	i = 0;
+	if (s->display_comment_prefix) {
+		comment_line_string[i++] = comment_line_char;
+		comment_line_string[i++] = ' ';
+	}
+	comment_line_string[i] = '\0';
+
 	for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 		color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
-				 "# %.*s", (int)(ep - cp), cp);
-	color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
+				 "%s%.*s", comment_line_string,
+				 (int)(ep - cp), cp);
+	if (s->display_comment_prefix)
+		color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%c",
+				 comment_line_char);
+	else
+		fputs("", s->fp);
 }
 
-void wt_status_print(struct wt_status *s)
+static int has_unmerged(struct wt_status *s)
+{
+	int i;
+
+	for (i = 0; i < s->change.nr; i++) {
+		struct wt_status_change_data *d;
+		d = s->change.items[i].util;
+		if (d->stagemask)
+			return 1;
+	}
+	return 0;
+}
+
+static void show_merge_in_progress(struct wt_status *s,
+				struct wt_status_state *state,
+				const char *color)
+{
+	if (has_unmerged(s)) {
+		status_printf_ln(s, color, _("You have unmerged paths."));
+		if (s->hints)
+			status_printf_ln(s, color,
+				_("  (fix conflicts and run \"git commit\")"));
+	} else {
+		status_printf_ln(s, color,
+			_("All conflicts fixed but you are still merging."));
+		if (s->hints)
+			status_printf_ln(s, color,
+				_("  (use \"git commit\" to conclude merge)"));
+	}
+	wt_status_print_trailer(s);
+}
+
+static void show_am_in_progress(struct wt_status *s,
+				struct wt_status_state *state,
+				const char *color)
 {
+	status_printf_ln(s, color,
+		_("You are in the middle of an am session."));
+	if (state->am_empty_patch)
+		status_printf_ln(s, color,
+			_("The current patch is empty."));
+	if (s->hints) {
+		if (!state->am_empty_patch)
+			status_printf_ln(s, color,
+				_("  (fix conflicts and then run \"git am --continue\")"));
+		status_printf_ln(s, color,
+			_("  (use \"git am --skip\" to skip this patch)"));
+		status_printf_ln(s, color,
+			_("  (use \"git am --abort\" to restore the original branch)"));
+	}
+	wt_status_print_trailer(s);
+}
+
+static char *read_line_from_git_path(const char *filename)
+{
+	struct strbuf buf = STRBUF_INIT;
+	FILE *fp = fopen(git_path("%s", filename), "r");
+	if (!fp) {
+		strbuf_release(&buf);
+		return NULL;
+	}
+	strbuf_getline(&buf, fp, '\n');
+	if (!fclose(fp)) {
+		return strbuf_detach(&buf, NULL);
+	} else {
+		strbuf_release(&buf);
+		return NULL;
+	}
+}
+
+static int split_commit_in_progress(struct wt_status *s)
+{
+	int split_in_progress = 0;
+	char *head = read_line_from_git_path("HEAD");
+	char *orig_head = read_line_from_git_path("ORIG_HEAD");
+	char *rebase_amend = read_line_from_git_path("rebase-merge/amend");
+	char *rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head");
+
+	if (!head || !orig_head || !rebase_amend || !rebase_orig_head ||
+	    !s->branch || strcmp(s->branch, "HEAD"))
+		return split_in_progress;
+
+	if (!strcmp(rebase_amend, rebase_orig_head)) {
+		if (strcmp(head, rebase_amend))
+			split_in_progress = 1;
+	} else if (strcmp(orig_head, rebase_orig_head)) {
+		split_in_progress = 1;
+	}
+
+	if (!s->amend && !s->nowarn && !s->workdir_dirty)
+		split_in_progress = 0;
+
+	free(head);
+	free(orig_head);
+	free(rebase_amend);
+	free(rebase_orig_head);
+	return split_in_progress;
+}
+
+static void show_rebase_in_progress(struct wt_status *s,
+				struct wt_status_state *state,
+				const char *color)
+{
+	struct stat st;
+
+	if (has_unmerged(s)) {
+		if (state->branch)
+			status_printf_ln(s, color,
+					 _("You are currently rebasing branch '%s' on '%s'."),
+					 state->branch,
+					 state->onto);
+		else
+			status_printf_ln(s, color,
+					 _("You are currently rebasing."));
+		if (s->hints) {
+			status_printf_ln(s, color,
+				_("  (fix conflicts and then run \"git rebase --continue\")"));
+			status_printf_ln(s, color,
+				_("  (use \"git rebase --skip\" to skip this patch)"));
+			status_printf_ln(s, color,
+				_("  (use \"git rebase --abort\" to check out the original branch)"));
+		}
+	} else if (state->rebase_in_progress || !stat(git_path("MERGE_MSG"), &st)) {
+		if (state->branch)
+			status_printf_ln(s, color,
+					 _("You are currently rebasing branch '%s' on '%s'."),
+					 state->branch,
+					 state->onto);
+		else
+			status_printf_ln(s, color,
+					 _("You are currently rebasing."));
+		if (s->hints)
+			status_printf_ln(s, color,
+				_("  (all conflicts fixed: run \"git rebase --continue\")"));
+	} else if (split_commit_in_progress(s)) {
+		if (state->branch)
+			status_printf_ln(s, color,
+					 _("You are currently splitting a commit while rebasing branch '%s' on '%s'."),
+					 state->branch,
+					 state->onto);
+		else
+			status_printf_ln(s, color,
+					 _("You are currently splitting a commit during a rebase."));
+		if (s->hints)
+			status_printf_ln(s, color,
+				_("  (Once your working directory is clean, run \"git rebase --continue\")"));
+	} else {
+		if (state->branch)
+			status_printf_ln(s, color,
+					 _("You are currently editing a commit while rebasing branch '%s' on '%s'."),
+					 state->branch,
+					 state->onto);
+		else
+			status_printf_ln(s, color,
+					 _("You are currently editing a commit during a rebase."));
+		if (s->hints && !s->amend) {
+			status_printf_ln(s, color,
+				_("  (use \"git commit --amend\" to amend the current commit)"));
+			status_printf_ln(s, color,
+				_("  (use \"git rebase --continue\" once you are satisfied with your changes)"));
+		}
+	}
+	wt_status_print_trailer(s);
+}
+
+static void show_cherry_pick_in_progress(struct wt_status *s,
+					struct wt_status_state *state,
+					const char *color)
+{
+	status_printf_ln(s, color, _("You are currently cherry-picking commit %s."),
+			find_unique_abbrev(state->cherry_pick_head_sha1, DEFAULT_ABBREV));
+	if (s->hints) {
+		if (has_unmerged(s))
+			status_printf_ln(s, color,
+				_("  (fix conflicts and run \"git cherry-pick --continue\")"));
+		else
+			status_printf_ln(s, color,
+				_("  (all conflicts fixed: run \"git cherry-pick --continue\")"));
+		status_printf_ln(s, color,
+			_("  (use \"git cherry-pick --abort\" to cancel the cherry-pick operation)"));
+	}
+	wt_status_print_trailer(s);
+}
+
+static void show_revert_in_progress(struct wt_status *s,
+					struct wt_status_state *state,
+					const char *color)
+{
+	status_printf_ln(s, color, _("You are currently reverting commit %s."),
+			 find_unique_abbrev(state->revert_head_sha1, DEFAULT_ABBREV));
+	if (s->hints) {
+		if (has_unmerged(s))
+			status_printf_ln(s, color,
+				_("  (fix conflicts and run \"git revert --continue\")"));
+		else
+			status_printf_ln(s, color,
+				_("  (all conflicts fixed: run \"git revert --continue\")"));
+		status_printf_ln(s, color,
+			_("  (use \"git revert --abort\" to cancel the revert operation)"));
+	}
+	wt_status_print_trailer(s);
+}
+
+static void show_bisect_in_progress(struct wt_status *s,
+				struct wt_status_state *state,
+				const char *color)
+{
+	if (state->branch)
+		status_printf_ln(s, color,
+				 _("You are currently bisecting, started from branch '%s'."),
+				 state->branch);
+	else
+		status_printf_ln(s, color,
+				 _("You are currently bisecting."));
+	if (s->hints)
+		status_printf_ln(s, color,
+			_("  (use \"git bisect reset\" to get back to the original branch)"));
+	wt_status_print_trailer(s);
+}
+
+/*
+ * Extract branch information from rebase/bisect
+ */
+static char *read_and_strip_branch(const char *path)
+{
+	struct strbuf sb = STRBUF_INIT;
 	unsigned char sha1[20];
-	const char *branch_color = color(WT_STATUS_HEADER, s);
 
-	s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
+	if (strbuf_read_file(&sb, git_path("%s", path), 0) <= 0)
+		goto got_nothing;
+
+	while (sb.len && sb.buf[sb.len - 1] == '\n')
+		strbuf_setlen(&sb, sb.len - 1);
+	if (!sb.len)
+		goto got_nothing;
+	if (starts_with(sb.buf, "refs/heads/"))
+		strbuf_remove(&sb,0, strlen("refs/heads/"));
+	else if (starts_with(sb.buf, "refs/"))
+		;
+	else if (!get_sha1_hex(sb.buf, sha1)) {
+		const char *abbrev;
+		abbrev = find_unique_abbrev(sha1, DEFAULT_ABBREV);
+		strbuf_reset(&sb);
+		strbuf_addstr(&sb, abbrev);
+	} else if (!strcmp(sb.buf, "detached HEAD")) /* rebase */
+		goto got_nothing;
+	else			/* bisect */
+		;
+	return strbuf_detach(&sb, NULL);
+
+got_nothing:
+	strbuf_release(&sb);
+	return NULL;
+}
+
+struct grab_1st_switch_cbdata {
+	struct strbuf buf;
+	unsigned char nsha1[20];
+};
+
+static int grab_1st_switch(unsigned char *osha1, unsigned char *nsha1,
+			   const char *email, unsigned long timestamp, int tz,
+			   const char *message, void *cb_data)
+{
+	struct grab_1st_switch_cbdata *cb = cb_data;
+	const char *target = NULL, *end;
+
+	if (!starts_with(message, "checkout: moving from "))
+		return 0;
+	message += strlen("checkout: moving from ");
+	target = strstr(message, " to ");
+	if (!target)
+		return 0;
+	target += strlen(" to ");
+	strbuf_reset(&cb->buf);
+	hashcpy(cb->nsha1, nsha1);
+	for (end = target; *end && *end != '\n'; end++)
+		;
+	strbuf_add(&cb->buf, target, end - target);
+	return 1;
+}
+
+static void wt_status_get_detached_from(struct wt_status_state *state)
+{
+	struct grab_1st_switch_cbdata cb;
+	struct commit *commit;
+	unsigned char sha1[20];
+	char *ref = NULL;
+
+	strbuf_init(&cb.buf, 0);
+	if (for_each_reflog_ent_reverse("HEAD", grab_1st_switch, &cb) <= 0) {
+		strbuf_release(&cb.buf);
+		return;
+	}
+
+	if (dwim_ref(cb.buf.buf, cb.buf.len, sha1, &ref) == 1 &&
+	    /* sha1 is a commit? match without further lookup */
+	    (!hashcmp(cb.nsha1, sha1) ||
+	     /* perhaps sha1 is a tag, try to dereference to a commit */
+	     ((commit = lookup_commit_reference_gently(sha1, 1)) != NULL &&
+	      !hashcmp(cb.nsha1, commit->object.sha1)))) {
+		int ofs;
+		if (starts_with(ref, "refs/tags/"))
+			ofs = strlen("refs/tags/");
+		else if (starts_with(ref, "refs/remotes/"))
+			ofs = strlen("refs/remotes/");
+		else
+			ofs = 0;
+		state->detached_from = xstrdup(ref + ofs);
+	} else
+		state->detached_from =
+			xstrdup(find_unique_abbrev(cb.nsha1, DEFAULT_ABBREV));
+	hashcpy(state->detached_sha1, cb.nsha1);
+	state->detached_at = !get_sha1("HEAD", sha1) &&
+			     !hashcmp(sha1, state->detached_sha1);
+
+	free(ref);
+	strbuf_release(&cb.buf);
+}
+
+void wt_status_get_state(struct wt_status_state *state,
+			 int get_detached_from)
+{
+	struct stat st;
+	unsigned char sha1[20];
+
+	if (!stat(git_path("MERGE_HEAD"), &st)) {
+		state->merge_in_progress = 1;
+	} else if (!stat(git_path("rebase-apply"), &st)) {
+		if (!stat(git_path("rebase-apply/applying"), &st)) {
+			state->am_in_progress = 1;
+			if (!stat(git_path("rebase-apply/patch"), &st) && !st.st_size)
+				state->am_empty_patch = 1;
+		} else {
+			state->rebase_in_progress = 1;
+			state->branch = read_and_strip_branch("rebase-apply/head-name");
+			state->onto = read_and_strip_branch("rebase-apply/onto");
+		}
+	} else if (!stat(git_path("rebase-merge"), &st)) {
+		if (!stat(git_path("rebase-merge/interactive"), &st))
+			state->rebase_interactive_in_progress = 1;
+		else
+			state->rebase_in_progress = 1;
+		state->branch = read_and_strip_branch("rebase-merge/head-name");
+		state->onto = read_and_strip_branch("rebase-merge/onto");
+	} else if (!stat(git_path("CHERRY_PICK_HEAD"), &st) &&
+			!get_sha1("CHERRY_PICK_HEAD", sha1)) {
+		state->cherry_pick_in_progress = 1;
+		hashcpy(state->cherry_pick_head_sha1, sha1);
+	}
+	if (!stat(git_path("BISECT_LOG"), &st)) {
+		state->bisect_in_progress = 1;
+		state->branch = read_and_strip_branch("BISECT_START");
+	}
+	if (!stat(git_path("REVERT_HEAD"), &st) &&
+	    !get_sha1("REVERT_HEAD", sha1)) {
+		state->revert_in_progress = 1;
+		hashcpy(state->revert_head_sha1, sha1);
+	}
+
+	if (get_detached_from)
+		wt_status_get_detached_from(state);
+}
+
+static void wt_status_print_state(struct wt_status *s,
+				  struct wt_status_state *state)
+{
+	const char *state_color = color(WT_STATUS_HEADER, s);
+	if (state->merge_in_progress)
+		show_merge_in_progress(s, state, state_color);
+	else if (state->am_in_progress)
+		show_am_in_progress(s, state, state_color);
+	else if (state->rebase_in_progress || state->rebase_interactive_in_progress)
+		show_rebase_in_progress(s, state, state_color);
+	else if (state->cherry_pick_in_progress)
+		show_cherry_pick_in_progress(s, state, state_color);
+	else if (state->revert_in_progress)
+		show_revert_in_progress(s, state, state_color);
+	if (state->bisect_in_progress)
+		show_bisect_in_progress(s, state, state_color);
+}
+
+void wt_status_print(struct wt_status *s)
+{
+	const char *branch_color = color(WT_STATUS_ONBRANCH, s);
+	const char *branch_status_color = color(WT_STATUS_HEADER, s);
+	struct wt_status_state state;
+
+	memset(&state, 0, sizeof(state));
+	wt_status_get_state(&state,
+			    s->branch && !strcmp(s->branch, "HEAD"));
+
 	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/"))
+		if (starts_with(branch_name, "refs/heads/"))
 			branch_name += 11;
 		else if (!strcmp(branch_name, "HEAD")) {
-			branch_name = "";
-			branch_color = color(WT_STATUS_NOBRANCH, s);
-			on_what = "Not currently on any branch.";
+			branch_status_color = color(WT_STATUS_NOBRANCH, s);
+			if (state.rebase_in_progress || state.rebase_interactive_in_progress) {
+				on_what = _("rebase in progress; onto ");
+				branch_name = state.onto;
+			} else if (state.detached_from) {
+				branch_name = state.detached_from;
+				if (state.detached_at)
+					on_what = _("HEAD detached at ");
+				else
+					on_what = _("HEAD detached from ");
+			} else {
+				branch_name = "";
+				on_what = _("Not currently on any branch.");
+			}
 		}
-		color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "# ");
-		color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name);
+		status_printf(s, color(WT_STATUS_HEADER, s), "%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);
 	}
 
-	wt_status_collect(s);
+	wt_status_print_state(s, &state);
+	free(state.branch);
+	free(state.onto);
+	free(state.detached_from);
 
 	if (s->is_initial) {
-		color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
-		color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "# Initial commit");
-		color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
+		status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
+		status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));
+		status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
 	}
 
 	wt_status_print_updated(s);
 	wt_status_print_unmerged(s);
 	wt_status_print_changed(s);
-	if (s->submodule_summary)
-		wt_status_print_submodule_summary(s);
-	if (s->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->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 files"), "add");
+		if (s->show_ignored_files)
+			wt_status_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", "");
+			status_printf_ln(s, GIT_COLOR_NORMAL,
+					 _("It took %.2f seconds to enumerate untracked files. 'status -uno'\n"
+					   "may speed it up, but you have to be careful not to forget to add\n"
+					   "new files yourself (see 'git help status')."),
+					 s->untracked_in_ms / 1000.0);
+		}
+	} else if (s->commitable)
+		status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
+			s->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->untracked.nr)
-			printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
-		else if (s->is_initial)
-			printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
-		else if (!s->show_untracked_files)
-			printf("nothing to commit (use -u to show untracked files)\n");
+		else if (s->workdir_dirty) {
+			if (s->hints)
+				printf(_("no changes added to commit "
+					 "(use \"git add\" and/or \"git commit -a\")\n"));
+			else
+				printf(_("no changes added to commit\n"));
+		} else if (s->untracked.nr) {
+			if (s->hints)
+				printf(_("nothing added to commit but untracked files "
+					 "present (use \"git add\" to track)\n"));
+			else
+				printf(_("nothing added to commit but untracked files present\n"));
+		} else if (s->is_initial) {
+			if (s->hints)
+				printf(_("nothing to commit (create/copy files "
+					 "and use \"git add\" to track)\n"));
+			else
+				printf(_("nothing to commit\n"));
+		} else if (!s->show_untracked_files) {
+			if (s->hints)
+				printf(_("nothing to commit (use -u to show untracked files)\n"));
+			else
+				printf(_("nothing to commit\n"));
+		} else
+			printf(_("nothing to commit, working directory clean\n"));
+	}
+}
+
+static void wt_shortstatus_unmerged(struct string_list_item *it,
+			   struct wt_status *s)
+{
+	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 */
+	}
+	color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
+	if (s->null_termination) {
+		fprintf(stdout, " %s%c", it->string, 0);
+	} else {
+		struct strbuf onebuf = STRBUF_INIT;
+		const char *one;
+		one = quote_path(it->string, s->prefix, &onebuf);
+		printf(" %s\n", one);
+		strbuf_release(&onebuf);
+	}
+}
+
+static void wt_shortstatus_status(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 (s->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, s->prefix, &onebuf);
+			if (*one != '"' && strchr(one, ' ') != NULL) {
+				putchar('"');
+				strbuf_addch(&onebuf, '"');
+				one = onebuf.buf;
+			}
+			printf("%s -> ", one);
+			strbuf_release(&onebuf);
+		}
+		one = quote_path(it->string, s->prefix, &onebuf);
+		if (*one != '"' && strchr(one, ' ') != NULL) {
+			putchar('"');
+			strbuf_addch(&onebuf, '"');
+			one = onebuf.buf;
+		}
+		printf("%s\n", one);
+		strbuf_release(&onebuf);
+	}
+}
+
+static void wt_shortstatus_other(struct string_list_item *it,
+				 struct wt_status *s, const char *sign)
+{
+	if (s->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, s->prefix, &onebuf);
+		color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "%s", sign);
+		printf(" %s\n", one);
+		strbuf_release(&onebuf);
+	}
+}
+
+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;
+	int upstream_is_gone = 0;
+
+	color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "## ");
+
+	if (!s->branch)
+		return;
+	branch_name = s->branch;
+
+	if (starts_with(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 "));
+
+	color_fprintf(s->fp, branch_color_local, "%s", branch_name);
+
+	switch (stat_tracking_info(branch, &num_ours, &num_theirs)) {
+	case 0:
+		/* no base */
+		fputc(s->null_termination ? '\0' : '\n', s->fp);
+		return;
+	case -1:
+		/* with "gone" base */
+		upstream_is_gone = 1;
+		break;
+	default:
+		/* with base */
+		break;
+	}
+
+	base = branch->merge[0]->dst;
+	base = shorten_unambiguous_ref(base, 0);
+	color_fprintf(s->fp, header_color, "...");
+	color_fprintf(s->fp, branch_color_remote, "%s", base);
+	free((char *)base);
+
+	if (!upstream_is_gone && !num_ours && !num_theirs) {
+		fputc(s->null_termination ? '\0' : '\n', s->fp);
+		return;
+	}
+
+#define LABEL(string) (s->no_gettext ? (string) : _(string))
+
+	color_fprintf(s->fp, header_color, " [");
+	if (upstream_is_gone) {
+		color_fprintf(s->fp, header_color, LABEL(N_("gone")));
+	} else if (!num_ours) {
+		color_fprintf(s->fp, header_color, LABEL(N_("behind ")));
+		color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
+	} else if (!num_theirs) {
+		color_fprintf(s->fp, header_color, LABEL(N_(("ahead "))));
+		color_fprintf(s->fp, branch_color_local, "%d", num_ours);
+	} else {
+		color_fprintf(s->fp, header_color, LABEL(N_(("ahead "))));
+		color_fprintf(s->fp, branch_color_local, "%d", num_ours);
+		color_fprintf(s->fp, header_color, ", %s", LABEL(N_("behind ")));
+		color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
+	}
+
+	color_fprintf(s->fp, header_color, "]");
+	fputc(s->null_termination ? '\0' : '\n', s->fp);
+}
+
+void wt_shortstatus_print(struct wt_status *s)
+{
+	int i;
+
+	if (s->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(it, s);
 		else
-			printf("nothing to commit (working directory clean)\n");
+			wt_shortstatus_status(it, s);
+	}
+	for (i = 0; i < s->untracked.nr; i++) {
+		struct string_list_item *it;
+
+		it = &(s->untracked.items[i]);
+		wt_shortstatus_other(it, s, "??");
+	}
+	for (i = 0; i < s->ignored.nr; i++) {
+		struct string_list_item *it;
+
+		it = &(s->ignored.items[i]);
+		wt_shortstatus_other(it, s, "!!");
 	}
 }
+
+void wt_porcelain_print(struct wt_status *s)
+{
+	s->use_color = 0;
+	s->relative_paths = 0;
+	s->prefix = NULL;
+	s->no_gettext = 1;
+	wt_shortstatus_print(s);
+}