cat-file: split --batch input lines on whitespace
[gitweb.git] / wt-status.c
index 35020776b6fd4a4d1c585b2037dc193acf4e442d..bf84a86ee3d6b136bd83115f0bf15a55835817fc 100644 (file)
@@ -11,6 +11,8 @@
 #include "remote.h"
 #include "refs.h"
 #include "submodule.h"
+#include "column.h"
+#include "strbuf.h"
 
 static char default_wt_status_colors[][COLOR_MAXLEN] = {
        GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
@@ -26,16 +28,91 @@ static char default_wt_status_colors[][COLOR_MAXLEN] = {
 
 static const char *color(int slot, struct wt_status *s)
 {
-       const char *c = 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) {
+               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) {
+                       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,
@@ -43,8 +120,7 @@ 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", sha1, 0, NULL);
        s->reference = "HEAD";
        s->fp = stdout;
        s->index_file = get_index_file();
@@ -55,35 +131,70 @@ void wt_status_prepare(struct wt_status *s)
 
 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:");
+       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 (!advice_status_hints)
                return;
-       if (s->in_merge)
+       if (s->whence != FROM_COMMIT)
                ;
        else if (!s->is_initial)
-               color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
+               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/rm <file>...\" as appropriate 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, "");
 }
 
 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:");
+       status_printf_ln(s, c, _("Changes to be committed:"));
        if (!advice_status_hints)
                return;
-       if (s->in_merge)
+       if (s->whence != FROM_COMMIT)
                ; /* NEEDSWORK: use "git reset --unresolve"??? */
        else if (!s->is_initial)
-               color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
+               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, "#");
+               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,
@@ -92,17 +203,17 @@ static void wt_status_print_dirty_header(struct wt_status *s,
 {
        const char *c = color(WT_STATUS_HEADER, s);
 
-       color_fprintf_ln(s->fp, c, "# Changes not staged for commit:");
+       status_printf_ln(s, c, _("Changes not staged for commit:"));
        if (!advice_status_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)");
+               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)
-               color_fprintf_ln(s->fp, c, "#   (commit or discard the untracked or modified content in submodules)");
-       color_fprintf_ln(s->fp, c, "#");
+               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_other_header(struct wt_status *s,
@@ -110,16 +221,16 @@ static void wt_status_print_other_header(struct wt_status *s,
                                         const char *how)
 {
        const char *c = color(WT_STATUS_HEADER, s);
-       color_fprintf_ln(s->fp, c, "# %s files:", what);
+       status_printf_ln(s, c, "%s:", what);
        if (!advice_status_hints)
                return;
-       color_fprintf_ln(s->fp, c, "#   (use \"git %s <file>...\" to include in what will be committed)", how);
-       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, "");
 }
 
 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), "");
 }
 
 #define quote_path quote_path_relative
@@ -130,20 +241,20 @@ static void wt_status_print_unmerged_data(struct wt_status *s,
        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";
+       const char *one, *how = _("bug");
 
        one = quote_path(it->string, -1, &onebuf, s->prefix);
-       color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
+       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;
-       }
-       color_fprintf(s->fp, c, "%-20s%s\n", how, one);
+       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);
 }
 
@@ -153,7 +264,7 @@ 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;
@@ -171,55 +282,58 @@ static void wt_status_print_change_data(struct wt_status *s,
                if (d->new_submodule_commits || d->dirty_submodule) {
                        strbuf_addstr(&extra, " (");
                        if (d->new_submodule_commits)
-                               strbuf_addf(&extra, "new commits, ");
+                               strbuf_addf(&extra, _("new commits, "));
                        if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
-                               strbuf_addf(&extra, "modified content, ");
+                               strbuf_addf(&extra, _("modified content, "));
                        if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
-                               strbuf_addf(&extra, "untracked content, ");
+                               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");
+       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", status);
+               die(_("bug: unhandled diff status %c"), status);
        }
        if (extra.len) {
-               color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "%s", extra.buf);
+               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);
 }
@@ -323,7 +437,7 @@ static void wt_status_collect_changes_worktree(struct wt_status *s)
        }
        rev.diffopt.format_callback = wt_status_collect_changed_cb;
        rev.diffopt.format_callback_data = s;
-       rev.prune_data = s->pathspec;
+       init_pathspec(&rev.prune_data, s->pathspec);
        run_diff_files(&rev, 0);
 }
 
@@ -348,20 +462,22 @@ static void wt_status_collect_changes_index(struct wt_status *s)
        rev.diffopt.detect_rename = 1;
        rev.diffopt.rename_limit = 200;
        rev.diffopt.break_opt = 0;
-       rev.prune_data = s->pathspec;
+       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, s->pathspec))
+               if (!ce_path_match(ce, &pathspec))
                        continue;
                it = string_list_insert(&s->change, ce->name);
                d = it->util;
@@ -376,22 +492,31 @@ static void wt_status_collect_changes_initial(struct wt_status *s)
                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;
+       struct timeval t_begin;
 
        if (!s->show_untracked_files)
                return;
+
+       if (advice_status_u_option)
+               gettimeofday(&t_begin, NULL);
+
        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;
        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) &&
@@ -400,20 +525,25 @@ static void wt_status_collect_untracked(struct wt_status *s)
                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);
-               }
+       for (i = 0; i < dir.ignored_nr; i++) {
+               struct dir_entry *ent = dir.ignored[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);
+       free(dir.ignored);
+       clear_directory(&dir);
+
+       if (advice_status_u_option) {
+               struct timeval t_end;
+               gettimeofday(&t_end, NULL);
+               s->untracked_in_ms =
+                       (uint64_t)t_end.tv_sec * 1000 + t_end.tv_usec / 1000 -
+                       ((uint64_t)t_begin.tv_sec * 1000 + t_begin.tv_usec / 1000);
+       }
 }
 
 void wt_status_collect(struct wt_status *s)
@@ -564,20 +694,43 @@ static void wt_status_print_other(struct wt_status *s,
 {
        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_other_header(s, what, how);
 
        for (i = 0; i < l->nr; i++) {
                struct string_list_item *it;
+               const char *path;
                it = &(l->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));
+               path = quote_path(it->string, strlen(it->string),
+                                 &buf, s->prefix);
+               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))
+               return;
+
+       strbuf_addf(&buf, "%s#\t%s",
+                   color(WT_STATUS_HEADER, s),
+                   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);
 }
 
@@ -604,7 +757,7 @@ static void wt_status_print_verbose(struct wt_status *s)
         * will have checked isatty on stdout).
         */
        if (s->fp != stdout)
-               DIFF_OPT_CLR(&rev.diffopt, COLOR_DIFF);
+               rev.diffopt.use_color = 0;
        run_diff_index(&rev, 1);
 }
 
@@ -623,36 +776,435 @@ static void wt_status_print_tracking(struct wt_status *s)
 
        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), "#");
+                                "%c %.*s", comment_line_char,
+                                (int)(ep - cp), cp);
+       color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%c",
+                        comment_line_char);
+}
+
+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 (advice_status_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 (advice_status_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 (advice_status_hints) {
+               if (!state->am_empty_patch)
+                       status_printf_ln(s, color,
+                               _("  (fix conflicts and then run \"git am --resolved\")"));
+               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 (advice_status_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 (advice_status_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 (advice_status_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 (advice_status_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."));
+       if (advice_status_hints) {
+               if (has_unmerged(s))
+                       status_printf_ln(s, color,
+                               _("  (fix conflicts and run \"git commit\")"));
+               else
+                       status_printf_ln(s, color,
+                               _("  (all conflicts fixed: run \"git commit\")"));
+       }
+       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 (advice_status_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 (advice_status_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];
+
+       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 (!prefixcmp(sb.buf, "refs/heads/"))
+               strbuf_remove(&sb,0, strlen("refs/heads/"));
+       else if (!prefixcmp(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 {
+       int found;
+       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 (prefixcmp(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);
+       cb->found = 1;
+       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 (!prefixcmp(ref, "refs/tags/"))
+                       ofs = strlen("refs/tags/");
+               else if (!prefixcmp(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);
+
+       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)) {
+               state->cherry_pick_in_progress = 1;
+       }
+       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/"))
                        branch_name += 11;
                else if (!strcmp(branch_name, "HEAD")) {
-                       branch_name = "";
                        branch_status_color = color(WT_STATUS_NOBRANCH, s);
-                       on_what = "Not currently on any branch.";
+                       if (state.detached_from) {
+                               unsigned char sha1[20];
+                               branch_name = state.detached_from;
+                               if (!get_sha1("HEAD", sha1) &&
+                                   !hashcmp(sha1, state.detached_sha1))
+                                       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(s->fp, branch_status_color, "%s", on_what);
-               color_fprintf_ln(s->fp, branch_color, "%s", 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);
        }
 
+       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), "");
+               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);
@@ -665,42 +1217,58 @@ void wt_status_print(struct wt_status *s)
                wt_status_print_submodule_summary(s, 1);  /* unstaged */
        }
        if (s->show_untracked_files) {
-               wt_status_print_other(s, &s->untracked, "Untracked", "add");
+               wt_status_print_other(s, &s->untracked, _("Untracked files"), "add");
                if (s->show_ignored_files)
-                       wt_status_print_other(s, &s->ignored, "Ignored", "add -f");
+                       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, "");
+                       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)
-               fprintf(s->fp, "# Untracked files not listed%s\n",
+               status_printf_ln(s, GIT_COLOR_NORMAL, _("Untracked files not listed%s"),
                        advice_status_hints
-                       ? " (use -u option to show untracked files)" : "");
+                       ? _(" (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%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%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%s\n", advice_status_hints
-                               ? " (working directory clean)" : "");
+               else if (s->workdir_dirty) {
+                       if (advice_status_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 (advice_status_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 (advice_status_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 (advice_status_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(int null_termination, struct string_list_item *it,
+static void wt_shortstatus_unmerged(struct string_list_item *it,
                           struct wt_status *s)
 {
        struct wt_status_change_data *d = it->util;
@@ -716,7 +1284,7 @@ static void wt_shortstatus_unmerged(int null_termination, struct string_list_ite
        case 7: how = "UU"; break; /* both modified */
        }
        color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
-       if (null_termination) {
+       if (s->null_termination) {
                fprintf(stdout, " %s%c", it->string, 0);
        } else {
                struct strbuf onebuf = STRBUF_INIT;
@@ -727,7 +1295,7 @@ static void wt_shortstatus_unmerged(int null_termination, struct string_list_ite
        }
 }
 
-static void wt_shortstatus_status(int null_termination, struct string_list_item *it,
+static void wt_shortstatus_status(struct string_list_item *it,
                         struct wt_status *s)
 {
        struct wt_status_change_data *d = it->util;
@@ -741,7 +1309,7 @@ static void wt_shortstatus_status(int null_termination, struct string_list_item
        else
                putchar(' ');
        putchar(' ');
-       if (null_termination) {
+       if (s->null_termination) {
                fprintf(stdout, "%s%c", it->string, 0);
                if (d->head_path)
                        fprintf(stdout, "%s%c", d->head_path, 0);
@@ -769,10 +1337,10 @@ static void wt_shortstatus_status(int null_termination, struct string_list_item
        }
 }
 
-static void wt_shortstatus_other(int null_termination, struct string_list_item *it,
+static void wt_shortstatus_other(struct string_list_item *it,
                                 struct wt_status *s, const char *sign)
 {
-       if (null_termination) {
+       if (s->null_termination) {
                fprintf(stdout, "%s %s%c", sign, it->string, 0);
        } else {
                struct strbuf onebuf = STRBUF_INIT;
@@ -804,16 +1372,16 @@ static void wt_shortstatus_print_tracking(struct wt_status *s)
        if (!prefixcmp(branch_name, "refs/heads/"))
                branch_name += 11;
        else if (!strcmp(branch_name, "HEAD")) {
-               branch_name = "HEAD (no branch)";
+               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, 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);
+               color_fprintf(s->fp, branch_color_local, "%s", branch_name);
+               fputc(s->null_termination ? '\0' : '\n', s->fp);
                return;
        }
 
@@ -825,26 +1393,27 @@ static void wt_shortstatus_print_tracking(struct wt_status *s)
 
        color_fprintf(s->fp, header_color, " [");
        if (!num_ours) {
-               color_fprintf(s->fp, header_color, "behind ");
+               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, 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, header_color, _("ahead "));
                color_fprintf(s->fp, branch_color_local, "%d", num_ours);
-               color_fprintf(s->fp, header_color, ", behind ");
+               color_fprintf(s->fp, header_color, _(", behind "));
                color_fprintf(s->fp, branch_color_remote, "%d", num_theirs);
        }
 
-       color_fprintf_ln(s->fp, header_color, "]");
+       color_fprintf(s->fp, header_color, "]");
+       fputc(s->null_termination ? '\0' : '\n', s->fp);
 }
 
-void wt_shortstatus_print(struct wt_status *s, int null_termination, int show_branch)
+void wt_shortstatus_print(struct wt_status *s)
 {
        int i;
 
-       if (show_branch)
+       if (s->show_branch)
                wt_shortstatus_print_tracking(s);
 
        for (i = 0; i < s->change.nr; i++) {
@@ -854,28 +1423,28 @@ void wt_shortstatus_print(struct wt_status *s, int null_termination, int show_br
                it = &(s->change.items[i]);
                d = it->util;
                if (d->stagemask)
-                       wt_shortstatus_unmerged(null_termination, it, s);
+                       wt_shortstatus_unmerged(it, s);
                else
-                       wt_shortstatus_status(null_termination, it, s);
+                       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(null_termination, it, s, "??");
+               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(null_termination, it, s, "!!");
+               wt_shortstatus_other(it, s, "!!");
        }
 }
 
-void wt_porcelain_print(struct wt_status *s, int null_termination)
+void wt_porcelain_print(struct wt_status *s)
 {
        s->use_color = 0;
        s->relative_paths = 0;
        s->prefix = NULL;
-       wt_shortstatus_print(s, null_termination, 0);
+       wt_shortstatus_print(s);
 }