[PATCH 1/2] for-each-ref: "creator" and "creatordate" fields

[Jakub Narebski <jnareb@gmail.com>]

From fa1a32c9a7c8a31b122df7d07f4a8885cbe120d0 Mon Sep 17 00:00:00 2001
From: Junio C Hamano <junkio@cox.net>
Date: Sat, 28 Oct 2006 13:33:46 -0700
Subject: [PATCH 1/2] for-each-ref: "creator" and "creatordate" fields

This adds "creator" (which is parallel to "tagger" or "committer")
and "creatordate" (corresponds to "taggerdate" and
"committerdate").

As other "date" fields, "creatordate" sorts numerically
and displays human readably. This allows for example for
sorting together heavyweigth and lightweight tags.

[jn: originally fields were named "epoch" and "epochdate".]

Signed-off-by: Junio C Hamano <junkio@cox.net>
Acked-by: Jakub Narebski <jnareb@gmail.com>
---
 builtin-for-each-ref.c |   25 +++++++++++++++++++++++++
 1 files changed, 25 insertions(+), 0 deletions(-)

diff --git a/builtin-for-each-ref.c b/builtin-for-each-ref.c
index 93d3d7e..173bf38 100644
--- a/builtin-for-each-ref.c
+++ b/builtin-for-each-ref.c
@@ -59,6 +59,8 @@ static struct {
 	{ "taggername" },
 	{ "taggeremail" },
 	{ "taggerdate", FIELD_TIME },
+	{ "creator" },
+	{ "creatordate", FIELD_TIME },
 	{ "subject" },
 	{ "body" },
 	{ "contents" },
@@ -401,6 +403,29 @@ static void grab_person(const char *who,
 		else if (!strcmp(name + wholen, "date"))
 			grab_date(wholine, v);
 	}
+
+	/* For a tag or a commit object, if "creator" or "creatordate" is
+	 * requested, do something special.
+	 */
+	if (strcmp(who, "tagger") && strcmp(who, "committer"))
+		return; /* "author" for commit object is not wanted */
+	if (!wholine)
+		wholine = find_wholine(who, wholen, buf, sz);
+	if (!wholine)
+		return;
+	for (i = 0; i < used_atom_cnt; i++) {
+		const char *name = used_atom[i];
+		struct atom_value *v = &val[i];
+		if (!!deref != (*name == '*'))
+			continue;
+		if (deref)
+			name++;
+
+		if (!strcmp(name, "creatordate"))
+			grab_date(wholine, v);
+		else if (!strcmp(name, "creator"))
+			v->s = copy_line(wholine);
+	}
 }
 
 static void find_subpos(const char *buf, unsigned long sz, const char **sub, const char **body)
-- 
1.4.3.3