Updated status to show 'Not currently on any branch' in red

This provides additional warning to users when attempting to
commit to a detached HEAD. It is configurable in color.status.nobranch.

Signed-off-by: Chris Parsons <chris@edendevelopment.co.uk>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/config.txt b/Documentation/config.txt
index 217980f..554977b 100644 (file)
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -523,8 +523,10 @@ color.status.<slot>::
        one of `header` (the header text of the status message),
        `added` or `updated` (files which are added but not committed),
        `changed` (files which are changed but not added in the index),
-       or `untracked` (files which are not tracked by git). The values of
-       these variables may be specified as in color.branch.<slot>.
+       `untracked` (files which are not tracked by git), or
+       `nobranch` (the color the 'no branch' warning is shown in, defaulting
+       to red). The values of these variables may be specified as in
+       color.branch.<slot>.
 
 commit.template::
        Specify a file to use as the template for new commit messages.

diff --git a/wt-status.c b/wt-status.c
index a44c543..6e6516c 100644 (file)
--- a/wt-status.c
+++ b/wt-status.c
@@ -18,6 +18,7 @@ static char wt_status_colors[][COLOR_MAXLEN] = {
        "\033[32m", /* WT_STATUS_UPDATED: green */
        "\033[31m", /* WT_STATUS_CHANGED: red */
        "\033[31m", /* WT_STATUS_UNTRACKED: red */
+       "\033[31m", /* WT_STATUS_NOBRANCH: red */
 };
 
 static const char use_add_msg[] =
@@ -38,6 +39,8 @@ static int parse_status_slot(const char *var, int offset)
                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);
 }
 
@@ -314,8 +317,9 @@ static void wt_status_print_verbose(struct wt_status *s)
 void wt_status_print(struct wt_status *s)
 {
        unsigned char sha1[20];
-       s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
+       const char *branch_color = color(WT_STATUS_HEADER);
 
+       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;
@@ -323,10 +327,11 @@ 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);
                        on_what = "Not currently on any branch.";
                }
-               color_fprintf_ln(s->fp, color(WT_STATUS_HEADER),
-                       "# %s%s", on_what, branch_name);
+               color_fprintf(s->fp, color(WT_STATUS_HEADER), "# ");
+               color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name);
        }
 
        if (s->is_initial) {

diff --git a/wt-status.h b/wt-status.h
index 7d61410..f0675fd 100644 (file)
--- a/wt-status.h
+++ b/wt-status.h
@@ -8,6 +8,7 @@ enum color_wt_status {
        WT_STATUS_UPDATED,
        WT_STATUS_CHANGED,
        WT_STATUS_UNTRACKED,
+       WT_STATUS_NOBRANCH,
 };
 
 struct wt_status {