0001-wip-status-show-last-reflog-timestamp-of-tracking-br.patch

From 0ac09c0541385289ce6398699ca8e0e2596c8afa Mon Sep 17 00:00:00 2001
From: Thomas Sibley <tom@zulutango.org>
Date: Fri, 8 Mar 2024 16:42:45 -0800
Subject: [PATCH] wip! status: show last reflog timestamp of tracking branch

<https://metasocial.com/@trs/112062359954735355>
---
 remote.c | 58 +++++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 45 insertions(+), 13 deletions(-)

diff --git a/remote.c b/remote.c
index 9090632e96..5421fc3d33 100644
--- a/remote.c
+++ b/remote.c
@@ -2259,6 +2259,28 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
 	return stat_branch_pair(branch->refname, base, num_ours, num_theirs, abf);
 }
 
+// XXX FIXME
+struct reflog_ent {
+	timestamp_t timestamp;
+	int tz;
+};
+
+// XXX FIXME
+static int reflog_ent_timestamp(struct object_id *ooid UNUSED,
+			     struct object_id *noid UNUSED,
+			     const char *email UNUSED,
+			     timestamp_t timestamp,
+			     int tz,
+			     const char *message UNUSED,
+			     void *cb_data)
+{
+	struct reflog_ent *ent = cb_data;
+	ent->timestamp = timestamp;
+	ent->tz = tz;
+	return 1;
+}
+
+
 /*
  * Return true when there is anything to report, otherwise false.
  */
@@ -2278,6 +2300,16 @@ int format_tracking_info(struct branch *branch, struct strbuf *sb,
 		upstream_is_gone = 1;
 	}
 
+	// XXX FIXME
+	struct reflog_ent base_reflog_ent = { 0, 0 };
+	const char *as_of;
+
+	if (for_each_reflog_ent_reverse(full_base, reflog_ent_timestamp, &base_reflog_ent)) {
+		as_of = show_date(base_reflog_ent.timestamp, base_reflog_ent.tz, DATE_MODE(RELATIVE));
+	} else {
+		as_of = "unknown";
+	}
+
 	base = shorten_unambiguous_ref(full_base, 0);
 	if (upstream_is_gone) {
 		strbuf_addf(sb,
@@ -2288,45 +2320,45 @@ int format_tracking_info(struct branch *branch, struct strbuf *sb,
 				_("  (use \"git branch --unset-upstream\" to fixup)\n"));
 	} else if (!sti) {
 		strbuf_addf(sb,
-			_("Your branch is up to date with '%s'.\n"),
-			base);
+			_("Your branch is up to date with '%s' (as of %s).\n"),
+			base, as_of);
 	} else if (abf == AHEAD_BEHIND_QUICK) {
 		strbuf_addf(sb,
-			    _("Your branch and '%s' refer to different commits.\n"),
-			    base);
+			    _("Your branch and '%s' (as of %s) refer to different commits.\n"),
+			    base, as_of);
 		if (advice_enabled(ADVICE_STATUS_HINTS))
 			strbuf_addf(sb, _("  (use \"%s\" for details)\n"),
 				    "git status --ahead-behind");
 	} else if (!theirs) {
 		strbuf_addf(sb,
-			Q_("Your branch is ahead of '%s' by %d commit.\n",
-			   "Your branch is ahead of '%s' by %d commits.\n",
+			Q_("Your branch is ahead of '%s' (as of %s) by %d commit.\n",
+			   "Your branch is ahead of '%s' (as of %s) by %d commits.\n",
 			   ours),
-			base, ours);
+			base, as_of, ours);
 		if (advice_enabled(ADVICE_STATUS_HINTS))
 			strbuf_addstr(sb,
 				_("  (use \"git push\" to publish your local commits)\n"));
 	} else if (!ours) {
 		strbuf_addf(sb,
-			Q_("Your branch is behind '%s' by %d commit, "
+			Q_("Your branch is behind '%s' (as of %s) by %d commit, "
 			       "and can be fast-forwarded.\n",
-			   "Your branch is behind '%s' by %d commits, "
+			   "Your branch is behind '%s' (as of %s) by %d commits, "
 			       "and can be fast-forwarded.\n",
 			   theirs),
-			base, theirs);
+			base, as_of, theirs);
 		if (advice_enabled(ADVICE_STATUS_HINTS))
 			strbuf_addstr(sb,
 				_("  (use \"git pull\" to update your local branch)\n"));
 	} else {
 		strbuf_addf(sb,
-			Q_("Your branch and '%s' have diverged,\n"
+			Q_("Your branch and '%s' (as of %s) have diverged,\n"
 			       "and have %d and %d different commit each, "
 			       "respectively.\n",
-			   "Your branch and '%s' have diverged,\n"
+			   "Your branch and '%s' (as of %s) have diverged,\n"
 			       "and have %d and %d different commits each, "
 			       "respectively.\n",
 			   ours + theirs),
-			base, ours, theirs);
+			base, as_of, ours, theirs);
 		if (show_divergence_advice &&
 		    advice_enabled(ADVICE_STATUS_HINTS))
 			strbuf_addstr(sb,
-- 
2.25.1