Merge branch 'tc/test-locate-httpd'
[gitweb.git] / wt-status.c
index 47735d8129fd3632b85d54b451e30752f251a949..5d569880163cccec91fdf1e9d50e03a6b5314d58 100644 (file)
@@ -1,6 +1,5 @@
 #include "cache.h"
 #include "wt-status.h"
-#include "color.h"
 #include "object.h"
 #include "dir.h"
 #include "commit.h"
 #include "run-command.h"
 #include "remote.h"
 
-int wt_status_relative_paths = 1;
-int wt_status_use_color = -1;
-static int wt_status_submodule_summary;
-static char wt_status_colors[][COLOR_MAXLEN] = {
+static char default_wt_status_colors[][COLOR_MAXLEN] = {
        GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
        GIT_COLOR_GREEN,  /* WT_STATUS_UPDATED */
        GIT_COLOR_RED,    /* WT_STATUS_CHANGED */
        GIT_COLOR_RED,    /* WT_STATUS_UNTRACKED */
        GIT_COLOR_RED,    /* WT_STATUS_NOBRANCH */
+       GIT_COLOR_RED,    /* WT_STATUS_UNMERGED */
 };
 
-enum untracked_status_type show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
-
-static int parse_status_slot(const char *var, int offset)
-{
-       if (!strcasecmp(var+offset, "header"))
-               return WT_STATUS_HEADER;
-       if (!strcasecmp(var+offset, "updated")
-               || !strcasecmp(var+offset, "added"))
-               return WT_STATUS_UPDATED;
-       if (!strcasecmp(var+offset, "changed"))
-               return WT_STATUS_CHANGED;
-       if (!strcasecmp(var+offset, "untracked"))
-               return WT_STATUS_UNTRACKED;
-       if (!strcasecmp(var+offset, "nobranch"))
-               return WT_STATUS_NOBRANCH;
-       die("bad config variable '%s'", var);
-}
-
-static const char *color(int slot)
+static const char *color(int slot, struct wt_status *s)
 {
-       return wt_status_use_color > 0 ? wt_status_colors[slot] : "";
+       return s->use_color > 0 ? s->color_palette[slot] : "";
 }
 
 void wt_status_prepare(struct wt_status *s)
@@ -51,30 +30,61 @@ void wt_status_prepare(struct wt_status *s)
        const char *head;
 
        memset(s, 0, sizeof(*s));
+       memcpy(s->color_palette, default_wt_status_colors,
+              sizeof(default_wt_status_colors));
+       s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
+       s->use_color = -1;
+       s->relative_paths = 1;
        head = resolve_ref("HEAD", sha1, 0, NULL);
        s->branch = head ? xstrdup(head) : NULL;
        s->reference = "HEAD";
        s->fp = stdout;
        s->index_file = get_index_file();
+       s->change.strdup_strings = 1;
+       s->untracked.strdup_strings = 1;
+}
+
+static void wt_status_print_unmerged_header(struct wt_status *s)
+{
+       const char *c = color(WT_STATUS_HEADER, s);
+
+       color_fprintf_ln(s->fp, c, "# Unmerged paths:");
+       if (!advice_status_hints)
+               return;
+       if (s->in_merge)
+               ;
+       else 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, "#   (use \"git add/rm <file>...\" as appropriate to mark resolution)");
+       color_fprintf_ln(s->fp, c, "#");
 }
 
 static void wt_status_print_cached_header(struct wt_status *s)
 {
-       const char *c = color(WT_STATUS_HEADER);
+       const char *c = color(WT_STATUS_HEADER, s);
+
        color_fprintf_ln(s->fp, c, "# Changes to be committed:");
-       if (!s->is_initial) {
+       if (!advice_status_hints)
+               return;
+       if (s->in_merge)
+               ; /* 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);
-       } else {
+       else
                color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
-       }
        color_fprintf_ln(s->fp, c, "#");
 }
 
 static void wt_status_print_dirty_header(struct wt_status *s,
                                         int has_deleted)
 {
-       const char *c = color(WT_STATUS_HEADER);
+       const char *c = color(WT_STATUS_HEADER, s);
+
        color_fprintf_ln(s->fp, c, "# Changed but not updated:");
+       if (!advice_status_hints)
+               return;
        if (!has_deleted)
                color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to update what will be committed)");
        else
@@ -85,31 +95,73 @@ static void wt_status_print_dirty_header(struct wt_status *s,
 
 static void wt_status_print_untracked_header(struct wt_status *s)
 {
-       const char *c = color(WT_STATUS_HEADER);
+       const char *c = color(WT_STATUS_HEADER, s);
        color_fprintf_ln(s->fp, c, "# Untracked files:");
+       if (!advice_status_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, "#");
 }
 
 static void wt_status_print_trailer(struct wt_status *s)
 {
-       color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
+       color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 }
 
 #define quote_path quote_path_relative
 
-static void wt_status_print_filepair(struct wt_status *s,
-                                    int t, struct diff_filepair *p)
+static void wt_status_print_unmerged_data(struct wt_status *s,
+                                         struct string_list_item *it)
+{
+       const char *c = color(WT_STATUS_UNMERGED, s);
+       struct wt_status_change_data *d = it->util;
+       struct strbuf onebuf = STRBUF_INIT;
+       const char *one, *how = "bug";
+
+       one = quote_path(it->string, -1, &onebuf, s->prefix);
+       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);
+       strbuf_release(&onebuf);
+}
+
+static void wt_status_print_change_data(struct wt_status *s,
+                                       int change_type,
+                                       struct string_list_item *it)
 {
-       const char *c = color(t);
+       struct wt_status_change_data *d = it->util;
+       const char *c = color(change_type, s);
+       int status = status;
+       char *one_name;
+       char *two_name;
        const char *one, *two;
        struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
 
-       one = quote_path(p->one->path, -1, &onebuf, s->prefix);
-       two = quote_path(p->two->path, -1, &twobuf, s->prefix);
+       one_name = two_name = it->string;
+       switch (change_type) {
+       case WT_STATUS_UPDATED:
+               status = d->index_status;
+               if (d->head_path)
+                       one_name = d->head_path;
+               break;
+       case WT_STATUS_CHANGED:
+               status = d->worktree_status;
+               break;
+       }
+
+       one = quote_path(one_name, -1, &onebuf, s->prefix);
+       two = quote_path(two_name, -1, &twobuf, s->prefix);
 
-       color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
-       switch (p->status) {
+       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;
@@ -135,80 +187,276 @@ static void wt_status_print_filepair(struct wt_status *s,
                color_fprintf(s->fp, c, "unmerged:   %s", one);
                break;
        default:
-               die("bug: unhandled diff status %c", p->status);
+               die("bug: unhandled diff status %c", status);
        }
        fprintf(s->fp, "\n");
        strbuf_release(&onebuf);
        strbuf_release(&twobuf);
 }
 
-static void wt_status_print_updated_cb(struct diff_queue_struct *q,
-               struct diff_options *options,
-               void *data)
+static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
+                                        struct diff_options *options,
+                                        void *data)
 {
        struct wt_status *s = data;
-       int shown_header = 0;
        int i;
+
+       if (!q->nr)
+               return;
+       s->workdir_dirty = 1;
        for (i = 0; i < q->nr; i++) {
-               if (q->queue[i]->status == 'U')
-                       continue;
-               if (!shown_header) {
-                       wt_status_print_cached_header(s);
-                       s->commitable = 1;
-                       shown_header = 1;
+               struct diff_filepair *p;
+               struct string_list_item *it;
+               struct wt_status_change_data *d;
+
+               p = q->queue[i];
+               it = string_list_insert(p->one->path, &s->change);
+               d = it->util;
+               if (!d) {
+                       d = xcalloc(1, sizeof(*d));
+                       it->util = d;
                }
-               wt_status_print_filepair(s, WT_STATUS_UPDATED, q->queue[i]);
+               if (!d->worktree_status)
+                       d->worktree_status = p->status;
        }
-       if (shown_header)
-               wt_status_print_trailer(s);
 }
 
-static void wt_status_print_changed_cb(struct diff_queue_struct *q,
-                        struct diff_options *options,
-                        void *data)
+static int unmerged_mask(const char *path)
+{
+       int pos, mask;
+       struct cache_entry *ce;
+
+       pos = cache_name_pos(path, strlen(path));
+       if (0 <= pos)
+               return 0;
+
+       mask = 0;
+       pos = -pos-1;
+       while (pos < active_nr) {
+               ce = active_cache[pos++];
+               if (strcmp(ce->name, path) || !ce_stage(ce))
+                       break;
+               mask |= (1 << (ce_stage(ce) - 1));
+       }
+       return mask;
+}
+
+static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
+                                        struct diff_options *options,
+                                        void *data)
 {
        struct wt_status *s = data;
        int i;
-       if (q->nr) {
-               int has_deleted = 0;
-               s->workdir_dirty = 1;
-               for (i = 0; i < q->nr; i++)
-                       if (q->queue[i]->status == DIFF_STATUS_DELETED) {
-                               has_deleted = 1;
-                               break;
-                       }
-               wt_status_print_dirty_header(s, has_deleted);
+
+       for (i = 0; i < q->nr; i++) {
+               struct diff_filepair *p;
+               struct string_list_item *it;
+               struct wt_status_change_data *d;
+
+               p = q->queue[i];
+               it = string_list_insert(p->two->path, &s->change);
+               d = it->util;
+               if (!d) {
+                       d = xcalloc(1, sizeof(*d));
+                       it->util = d;
+               }
+               if (!d->index_status)
+                       d->index_status = p->status;
+               switch (p->status) {
+               case DIFF_STATUS_COPIED:
+               case DIFF_STATUS_RENAMED:
+                       d->head_path = xstrdup(p->one->path);
+                       break;
+               case DIFF_STATUS_UNMERGED:
+                       d->stagemask = unmerged_mask(p->two->path);
+                       break;
+               }
        }
-       for (i = 0; i < q->nr; i++)
-               wt_status_print_filepair(s, WT_STATUS_CHANGED, q->queue[i]);
-       if (q->nr)
-               wt_status_print_trailer(s);
 }
 
-static void wt_status_print_updated(struct wt_status *s)
+static void wt_status_collect_changes_worktree(struct wt_status *s)
+{
+       struct rev_info rev;
+
+       init_revisions(&rev, NULL);
+       setup_revisions(0, NULL, &rev, NULL);
+       rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
+       rev.diffopt.format_callback = wt_status_collect_changed_cb;
+       rev.diffopt.format_callback_data = s;
+       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;
+
        init_revisions(&rev, NULL);
        setup_revisions(0, NULL, &rev,
                s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference);
        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
-       rev.diffopt.format_callback = wt_status_print_updated_cb;
+       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;
+       rev.prune_data = s->pathspec;
        run_diff_index(&rev, 1);
 }
 
+static void wt_status_collect_changes_initial(struct wt_status *s)
+{
+       int i;
+
+       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))
+                       continue;
+               it = string_list_insert(ce->name, &s->change);
+               d = it->util;
+               if (!d) {
+                       d = xcalloc(1, sizeof(*d));
+                       it->util = d;
+               }
+               if (ce_stage(ce)) {
+                       d->index_status = DIFF_STATUS_UNMERGED;
+                       d->stagemask |= (1 << (ce_stage(ce) - 1));
+               }
+               else
+                       d->index_status = DIFF_STATUS_ADDED;
+       }
+}
+
+static void wt_status_collect_untracked(struct wt_status *s)
+{
+       int i;
+       struct dir_struct dir;
+
+       if (!s->show_untracked_files)
+               return;
+       memset(&dir, 0, sizeof(dir));
+       if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
+               dir.flags |=
+                       DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
+       setup_standard_excludes(&dir);
+
+       fill_directory(&dir, NULL);
+       for (i = 0; i < dir.nr; i++) {
+               struct dir_entry *ent = dir.entries[i];
+               if (!cache_name_is_other(ent->name, ent->len))
+                       continue;
+               if (!match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
+                       continue;
+               s->workdir_untracked = 1;
+               string_list_insert(ent->name, &s->untracked);
+       }
+}
+
+void wt_status_collect(struct wt_status *s)
+{
+       wt_status_collect_changes_worktree(s);
+
+       if (s->is_initial)
+               wt_status_collect_changes_initial(s);
+       else
+               wt_status_collect_changes_index(s);
+       wt_status_collect_untracked(s);
+}
+
+static void wt_status_print_unmerged(struct wt_status *s)
+{
+       int shown_header = 0;
+       int i;
+
+       for (i = 0; i < s->change.nr; i++) {
+               struct wt_status_change_data *d;
+               struct string_list_item *it;
+               it = &(s->change.items[i]);
+               d = it->util;
+               if (!d->stagemask)
+                       continue;
+               if (!shown_header) {
+                       wt_status_print_unmerged_header(s);
+                       shown_header = 1;
+               }
+               wt_status_print_unmerged_data(s, it);
+       }
+       if (shown_header)
+               wt_status_print_trailer(s);
+
+}
+
+static void wt_status_print_updated(struct wt_status *s)
+{
+       int shown_header = 0;
+       int i;
+
+       for (i = 0; i < s->change.nr; i++) {
+               struct wt_status_change_data *d;
+               struct string_list_item *it;
+               it = &(s->change.items[i]);
+               d = it->util;
+               if (!d->index_status ||
+                   d->index_status == DIFF_STATUS_UNMERGED)
+                       continue;
+               if (!shown_header) {
+                       wt_status_print_cached_header(s);
+                       s->commitable = 1;
+                       shown_header = 1;
+               }
+               wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
+       }
+       if (shown_header)
+               wt_status_print_trailer(s);
+}
+
+/*
+ * -1 : has delete
+ *  0 : no change
+ *  1 : some change but no delete
+ */
+static int wt_status_check_worktree_changes(struct wt_status *s)
+{
+       int i;
+       int changes = 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 (d->worktree_status == DIFF_STATUS_DELETED)
+                       return -1;
+       }
+       return changes;
+}
+
 static void wt_status_print_changed(struct wt_status *s)
 {
-       struct rev_info rev;
-       init_revisions(&rev, "");
-       setup_revisions(0, NULL, &rev, NULL);
-       rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
-       rev.diffopt.format_callback = wt_status_print_changed_cb;
-       rev.diffopt.format_callback_data = s;
-       run_diff_files(&rev, 0);
+       int i;
+       int worktree_changes = wt_status_check_worktree_changes(s);
+
+       if (!worktree_changes)
+               return;
+
+       wt_status_print_dirty_header(s, worktree_changes < 0);
+
+       for (i = 0; i < s->change.nr; i++) {
+               struct wt_status_change_data *d;
+               struct string_list_item *it;
+               it = &(s->change.items[i]);
+               d = it->util;
+               if (!d->worktree_status ||
+                   d->worktree_status == DIFF_STATUS_UNMERGED)
+                       continue;
+               wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
+       }
+       wt_status_print_trailer(s);
 }
 
 static void wt_status_print_submodule_summary(struct wt_status *s)
@@ -228,7 +476,7 @@ static void wt_status_print_submodule_summary(struct wt_status *s)
                NULL
        };
 
-       sprintf(summary_limit, "%d", wt_status_submodule_summary);
+       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));
@@ -243,32 +491,20 @@ static void wt_status_print_submodule_summary(struct wt_status *s)
 
 static void wt_status_print_untracked(struct wt_status *s)
 {
-       struct dir_struct dir;
        int i;
-       int shown_header = 0;
        struct strbuf buf = STRBUF_INIT;
 
-       memset(&dir, 0, sizeof(dir));
-
-       if (!s->untracked)
-               dir.flags |=
-                       DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
-       setup_standard_excludes(&dir);
+       if (!s->untracked.nr)
+               return;
 
-       fill_directory(&dir, NULL);
-       for(i = 0; i < dir.nr; i++) {
-               struct dir_entry *ent = dir.entries[i];
-               if (!cache_name_is_other(ent->name, ent->len))
-                       continue;
-               if (!shown_header) {
-                       s->workdir_untracked = 1;
-                       wt_status_print_untracked_header(s);
-                       shown_header = 1;
-               }
-               color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
-               color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED), "%s",
-                               quote_path(ent->name, ent->len,
-                                       &buf, s->prefix));
+       wt_status_print_untracked_header(s);
+       for (i = 0; i < s->untracked.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));
        }
        strbuf_release(&buf);
 }
@@ -310,17 +546,15 @@ static void wt_status_print_tracking(struct wt_status *s)
                return;
 
        for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
-               color_fprintf_ln(s->fp, color(WT_STATUS_HEADER),
+               color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
                                 "# %.*s", (int)(ep - cp), cp);
-       color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
+       color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
 }
 
 void wt_status_print(struct wt_status *s)
 {
-       unsigned char sha1[20];
-       const char *branch_color = color(WT_STATUS_HEADER);
+       const char *branch_color = color(WT_STATUS_HEADER, s);
 
-       s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
        if (s->branch) {
                const char *on_what = "On branch ";
                const char *branch_name = s->branch;
@@ -328,26 +562,27 @@ void wt_status_print(struct wt_status *s)
                        branch_name += 11;
                else if (!strcmp(branch_name, "HEAD")) {
                        branch_name = "";
-                       branch_color = color(WT_STATUS_NOBRANCH);
+                       branch_color = color(WT_STATUS_NOBRANCH, s);
                        on_what = "Not currently on any branch.";
                }
-               color_fprintf(s->fp, color(WT_STATUS_HEADER), "# ");
+               color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "# ");
                color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name);
                if (!s->is_initial)
                        wt_status_print_tracking(s);
        }
 
        if (s->is_initial) {
-               color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
-               color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "# Initial commit");
-               color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
+               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), "#");
        }
 
        wt_status_print_updated(s);
+       wt_status_print_unmerged(s);
        wt_status_print_changed(s);
-       if (wt_status_submodule_summary)
+       if (s->submodule_summary)
                wt_status_print_submodule_summary(s);
-       if (show_untracked_files)
+       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");
@@ -361,53 +596,117 @@ void wt_status_print(struct wt_status *s)
                        ; /* nothing */
                else if (s->workdir_dirty)
                        printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
-               else if (s->workdir_untracked)
+               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 (!show_untracked_files)
+               else if (!s->show_untracked_files)
                        printf("nothing to commit (use -u to show untracked files)\n");
                else
                        printf("nothing to commit (working directory clean)\n");
        }
 }
 
-int git_status_config(const char *k, const char *v, void *cb)
+static void wt_shortstatus_unmerged(int null_termination, struct string_list_item *it,
+                          struct wt_status *s)
 {
-       if (!strcmp(k, "status.submodulesummary")) {
-               int is_bool;
-               wt_status_submodule_summary = git_config_bool_or_int(k, v, &is_bool);
-               if (is_bool && wt_status_submodule_summary)
-                       wt_status_submodule_summary = -1;
-               return 0;
+       struct wt_status_change_data *d = it->util;
+       const char *how = "??";
+
+       switch (d->stagemask) {
+       case 1: how = "DD"; break; /* both deleted */
+       case 2: how = "AU"; break; /* added by us */
+       case 3: how = "UD"; break; /* deleted by them */
+       case 4: how = "UA"; break; /* added by them */
+       case 5: how = "DU"; break; /* deleted by us */
+       case 6: how = "AA"; break; /* both added */
+       case 7: how = "UU"; break; /* both modified */
        }
-       if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
-               wt_status_use_color = git_config_colorbool(k, v, -1);
-               return 0;
+       color_fprintf(s->fp, color(WT_STATUS_UNMERGED, s), "%s", how);
+       if (null_termination) {
+               fprintf(stdout, " %s%c", it->string, 0);
+       } else {
+               struct strbuf onebuf = STRBUF_INIT;
+               const char *one;
+               one = quote_path(it->string, -1, &onebuf, s->prefix);
+               printf(" %s\n", one);
+               strbuf_release(&onebuf);
        }
-       if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) {
-               int slot = parse_status_slot(k, 13);
-               if (!v)
-                       return config_error_nonbool(k);
-               color_parse(v, k, wt_status_colors[slot]);
-               return 0;
+}
+
+static void wt_shortstatus_status(int null_termination, struct string_list_item *it,
+                        struct wt_status *s)
+{
+       struct wt_status_change_data *d = it->util;
+
+       if (d->index_status)
+               color_fprintf(s->fp, color(WT_STATUS_UPDATED, s), "%c", d->index_status);
+       else
+               putchar(' ');
+       if (d->worktree_status)
+               color_fprintf(s->fp, color(WT_STATUS_CHANGED, s), "%c", d->worktree_status);
+       else
+               putchar(' ');
+       putchar(' ');
+       if (null_termination) {
+               fprintf(stdout, "%s%c", it->string, 0);
+               if (d->head_path)
+                       fprintf(stdout, "%s%c", d->head_path, 0);
+       } else {
+               struct strbuf onebuf = STRBUF_INIT;
+               const char *one;
+               if (d->head_path) {
+                       one = quote_path(d->head_path, -1, &onebuf, s->prefix);
+                       printf("%s -> ", one);
+                       strbuf_release(&onebuf);
+               }
+               one = quote_path(it->string, -1, &onebuf, s->prefix);
+               printf("%s\n", one);
+               strbuf_release(&onebuf);
        }
-       if (!strcmp(k, "status.relativepaths")) {
-               wt_status_relative_paths = git_config_bool(k, v);
-               return 0;
+}
+
+static void wt_shortstatus_untracked(int null_termination, struct string_list_item *it,
+                           struct wt_status *s)
+{
+       if (null_termination) {
+               fprintf(stdout, "?? %s%c", it->string, 0);
+       } else {
+               struct strbuf onebuf = STRBUF_INIT;
+               const char *one;
+               one = quote_path(it->string, -1, &onebuf, s->prefix);
+               color_fprintf(s->fp, color(WT_STATUS_UNTRACKED, s), "??");
+               printf(" %s\n", one);
+               strbuf_release(&onebuf);
        }
-       if (!strcmp(k, "status.showuntrackedfiles")) {
-               if (!v)
-                       return config_error_nonbool(k);
-               else if (!strcmp(v, "no"))
-                       show_untracked_files = SHOW_NO_UNTRACKED_FILES;
-               else if (!strcmp(v, "normal"))
-                       show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
-               else if (!strcmp(v, "all"))
-                       show_untracked_files = SHOW_ALL_UNTRACKED_FILES;
+}
+
+void wt_shortstatus_print(struct wt_status *s, int null_termination)
+{
+       int i;
+       for (i = 0; i < s->change.nr; i++) {
+               struct wt_status_change_data *d;
+               struct string_list_item *it;
+
+               it = &(s->change.items[i]);
+               d = it->util;
+               if (d->stagemask)
+                       wt_shortstatus_unmerged(null_termination, it, s);
                else
-                       return error("Invalid untracked files mode '%s'", v);
-               return 0;
+                       wt_shortstatus_status(null_termination, it, s);
        }
-       return git_diff_ui_config(k, v, cb);
+       for (i = 0; i < s->untracked.nr; i++) {
+               struct string_list_item *it;
+
+               it = &(s->untracked.items[i]);
+               wt_shortstatus_untracked(null_termination, it, s);
+       }
+}
+
+void wt_porcelain_print(struct wt_status *s, int null_termination)
+{
+       s->use_color = 0;
+       s->relative_paths = 0;
+       s->prefix = NULL;
+       wt_shortstatus_print(s, null_termination);
 }