git-status: show the remote tracking statistics

This teaches "git status" to show the same remote tracking statistics
"git checkout" gives at the beginning of the output.

Now the necessary low-level machinery is properly factored out, we can do
this quite cleanly.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/wt-status.c b/wt-status.c
index 28c9e637e3dd42a2c2364dd7b9f099f4671861cb..eeb106e13e88c3ee2f61df41017e47b221f10ae3 100644 (file)
--- a/wt-status.c
+++ b/wt-status.c
@@ -9,6 +9,7 @@
 #include "diffcore.h"
 #include "quote.h"
 #include "run-command.h"
+#include "remote.h"
 
 int wt_status_relative_paths = 1;
 int wt_status_use_color = -1;
@@ -315,6 +316,25 @@ static void wt_status_print_verbose(struct wt_status *s)
        run_diff_index(&rev, 1);
 }
 
+static void wt_status_print_tracking(struct wt_status *s)
+{
+       struct strbuf sb = STRBUF_INIT;
+       const char *cp, *ep;
+       struct branch *branch;
+
+       assert(s->branch && !s->is_initial);
+       if (prefixcmp(s->branch, "refs/heads/"))
+               return;
+       branch = branch_get(s->branch + 11);
+       if (!format_tracking_info(branch, &sb))
+               return;
+
+       for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
+               color_fprintf_ln(s->fp, color(WT_STATUS_HEADER),
+                                "# %.*s", (int)(ep - cp), cp);
+       color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
+}
+
 void wt_status_print(struct wt_status *s)
 {
        unsigned char sha1[20];
@@ -333,6 +353,8 @@ void wt_status_print(struct wt_status *s)
                }
                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)
+                       wt_status_print_tracking(s);
        }
 
        if (s->is_initial) {