Merge branch 'cc/starts-n-ends-with'
[gitweb.git] / wt-status.c
index f3c008870a87fcd61fe412b6b82a6bd759f8b933..4e5581005936a1e7832e3ab224cfe142ac777a63 100644 (file)
 #include "submodule.h"
 #include "column.h"
 #include "strbuf.h"
+#include "utf8.h"
+
+static char cut_line[] =
+"------------------------ >8 ------------------------\n";
 
 static char default_wt_status_colors[][COLOR_MAXLEN] = {
        GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
@@ -264,6 +268,30 @@ static void wt_status_print_unmerged_data(struct wt_status *s,
        strbuf_release(&onebuf);
 }
 
+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 void wt_status_print_change_data(struct wt_status *s,
                                        int change_type,
                                        struct string_list_item *it)
@@ -276,6 +304,23 @@ static void wt_status_print_change_data(struct wt_status *s,
        const char *one, *two;
        struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
        struct strbuf extra = STRBUF_INIT;
+       static char *padding;
+       const char *what;
+       int len;
+
+       if (!padding) {
+               int width = 0;
+               /* If DIFF_STATUS_* uses outside this range, we're in trouble */
+               for (status = 'A'; status <= 'Z'; status++) {
+                       what = wt_status_diff_status_string(status);
+                       len = what ? strlen(what) : 0;
+                       if (len > width)
+                               width = len;
+               }
+               width += 2;     /* colon and a space */
+               padding = xmallocz(width);
+               memset(padding, ' ', width);
+       }
 
        one_name = two_name = it->string;
        switch (change_type) {
@@ -307,34 +352,18 @@ static void wt_status_print_change_data(struct wt_status *s,
        two = quote_path(two_name, s->prefix, &twobuf);
 
        status_printf(s, color(WT_STATUS_HEADER, s), "\t");
-       switch (status) {
-       case DIFF_STATUS_ADDED:
-               status_printf_more(s, c, _("new file:   %s"), one);
-               break;
-       case DIFF_STATUS_COPIED:
-               status_printf_more(s, c, _("copied:     %s -> %s"), one, two);
-               break;
-       case DIFF_STATUS_DELETED:
-               status_printf_more(s, c, _("deleted:    %s"), one);
-               break;
-       case DIFF_STATUS_MODIFIED:
-               status_printf_more(s, c, _("modified:   %s"), one);
-               break;
-       case DIFF_STATUS_RENAMED:
-               status_printf_more(s, c, _("renamed:    %s -> %s"), one, two);
-               break;
-       case DIFF_STATUS_TYPE_CHANGED:
-               status_printf_more(s, c, _("typechange: %s"), one);
-               break;
-       case DIFF_STATUS_UNKNOWN:
-               status_printf_more(s, c, _("unknown:    %s"), one);
-               break;
-       case DIFF_STATUS_UNMERGED:
-               status_printf_more(s, c, _("unmerged:   %s"), one);
-               break;
-       default:
+       what = wt_status_diff_status_string(status);
+       if (!what)
                die(_("bug: unhandled diff status %c"), status);
-       }
+       /* 1 for colon, which is not part of "what" */
+       len = strlen(padding) - (utf8_strwidth(what) + 1);
+       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);
@@ -767,6 +796,18 @@ static void wt_status_print_other(struct wt_status *s,
        status_printf_ln(s, GIT_COLOR_NORMAL, "");
 }
 
+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);
+}
+
 static void wt_status_print_verbose(struct wt_status *s)
 {
        struct rev_info rev;
@@ -787,10 +828,20 @@ 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)
+       if (s->fp != stdout) {
+               const char *explanation = _("Do not touch the line above.\nEverything below will be removed.");
+               struct strbuf buf = STRBUF_INIT;
+
                rev.diffopt.use_color = 0;
+               fprintf(s->fp, "%c %s", comment_line_char, cut_line);
+               strbuf_add_commented_lines(&buf, explanation, strlen(explanation));
+               fputs(buf.buf, s->fp);
+               strbuf_release(&buf);
+       }
        run_diff_index(&rev, 1);
 }