Add a documentat on how to revert a faulty merge

diff --git a/wt-status.c b/wt-status.c
index 7cf890f2433bf622fe8c18faa0b0c89be60ef1db..96ff2f8f564b907b9ef77bd2ea41b5e854a13085 100644 (file)
--- a/wt-status.c
+++ b/wt-status.c
@@ -103,10 +103,8 @@ static void wt_status_print_filepair(struct wt_status *s,
 {
        const char *c = color(t);
        const char *one, *two;
-       struct strbuf onebuf, twobuf;
+       struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
 
-       strbuf_init(&onebuf, 0);
-       strbuf_init(&twobuf, 0);
        one = quote_path(p->one->path, -1, &onebuf, s->prefix);
        two = quote_path(p->two->path, -1, &twobuf, s->prefix);
 
@@ -187,32 +185,12 @@ static void wt_status_print_changed_cb(struct diff_queue_struct *q,
                wt_status_print_trailer(s);
 }
 
-static void wt_status_print_initial(struct wt_status *s)
-{
-       int i;
-       struct strbuf buf;
-
-       strbuf_init(&buf, 0);
-       if (active_nr) {
-               s->commitable = 1;
-               wt_status_print_cached_header(s);
-       }
-       for (i = 0; i < active_nr; i++) {
-               color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
-               color_fprintf_ln(s->fp, color(WT_STATUS_UPDATED), "new file: %s",
-                               quote_path(active_cache[i]->name, -1,
-                                          &buf, s->prefix));
-       }
-       if (active_nr)
-               wt_status_print_trailer(s);
-       strbuf_release(&buf);
-}
-
 static void wt_status_print_updated(struct wt_status *s)
 {
        struct rev_info rev;
        init_revisions(&rev, NULL);
-       setup_revisions(0, NULL, &rev, s->reference);
+       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_data = s;
@@ -268,9 +246,8 @@ static void wt_status_print_untracked(struct wt_status *s)
        struct dir_struct dir;
        int i;
        int shown_header = 0;
-       struct strbuf buf;
+       struct strbuf buf = STRBUF_INIT;
 
-       strbuf_init(&buf, 0);
        memset(&dir, 0, sizeof(dir));
 
        if (!s->untracked) {
@@ -281,20 +258,9 @@ static void wt_status_print_untracked(struct wt_status *s)
 
        read_directory(&dir, ".", "", 0, NULL);
        for(i = 0; i < dir.nr; i++) {
-               /* check for matching entry, which is unmerged; lifted from
-                * builtin-ls-files:show_other_files */
                struct dir_entry *ent = dir.entries[i];
-               int pos = cache_name_pos(ent->name, ent->len);
-               struct cache_entry *ce;
-               if (0 <= pos)
-                       die("bug in wt_status_print_untracked");
-               pos = -pos - 1;
-               if (pos < active_nr) {
-                       ce = active_cache[pos];
-                       if (ce_namelen(ce) == ent->len &&
-                           !memcmp(ce->name, ent->name, ent->len))
-                               continue;
-               }
+               if (!cache_name_is_other(ent->name, ent->len))
+                       continue;
                if (!shown_header) {
                        s->workdir_untracked = 1;
                        wt_status_print_untracked_header(s);
@@ -313,11 +279,21 @@ static void wt_status_print_verbose(struct wt_status *s)
        struct rev_info rev;
 
        init_revisions(&rev, NULL);
-       setup_revisions(0, NULL, &rev, s->reference);
+       DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
+       setup_revisions(0, NULL, &rev,
+               s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference);
        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
        rev.diffopt.detect_rename = 1;
        rev.diffopt.file = s->fp;
        rev.diffopt.close_file = 0;
+       /*
+        * If we're not going to stdout, then we definitely don't
+        * want color, since we are going to the commit message
+        * file (and even the "auto" setting won't work, since it
+        * will have checked isatty on stdout).
+        */
+       if (s->fp != stdout)
+               DIFF_OPT_CLR(&rev.diffopt, COLOR_DIFF);
        run_diff_index(&rev, 1);
 }
 
@@ -366,12 +342,9 @@ void wt_status_print(struct wt_status *s)
                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "# Initial commit");
                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
-               wt_status_print_initial(s);
-       }
-       else {
-               wt_status_print_updated(s);
        }
 
+       wt_status_print_updated(s);
        wt_status_print_changed(s);
        if (wt_status_submodule_summary)
                wt_status_print_submodule_summary(s);
@@ -380,7 +353,7 @@ void wt_status_print(struct wt_status *s)
        else if (s->commitable)
                 fprintf(s->fp, "# Untracked files not listed (use -u option to show untracked files)\n");
 
-       if (s->verbose && !s->is_initial)
+       if (s->verbose)
                wt_status_print_verbose(s);
        if (!s->commitable) {
                if (s->amend)
@@ -437,5 +410,5 @@ int git_status_config(const char *k, const char *v, void *cb)
                        return error("Invalid untracked files mode '%s'", v);
                return 0;
        }
-       return git_color_default_config(k, v, cb);
+       return git_diff_ui_config(k, v, cb);
 }