Merge branch 'jk/split-broken-ident' into maint

The fall-back parsing of commit objects with broken author or
committer lines were less robust than ideal in picking up the
timestamps.

* jk/split-broken-ident:
  split_ident: parse timestamp from end of line

ident.c

@@ -233,7 +233,21 @@ int split_ident_line(struct ident_split *split, const char *line, int len)
 	if (!split->mail_end)
 		return status;
 
-	for (cp = split->mail_end + 1; cp < line + len && isspace(*cp); cp++)
+	/*
+	 * Look from the end-of-line to find the trailing ">" of the mail
+	 * address, even though we should already know it as split->mail_end.
+	 * This can help in cases of broken idents with an extra ">" somewhere
+	 * in the email address.  Note that we are assuming the timestamp will
+	 * never have a ">" in it.
+	 *
+	 * Note that we will always find some ">" before going off the front of
+	 * the string, because will always hit the split->mail_end closing
+	 * bracket.
+	 */
+	for (cp = line + len - 1; *cp != '>'; cp--)
+		;
+
+	for (cp = cp + 1; cp < line + len && isspace(*cp); cp++)
 		;
 	if (line + len <= cp)
 		goto person_only;

t/t4212-log-corrupt.sh

@@ -13,11 +13,16 @@ test_expect_success 'setup' '
 	git update-ref refs/heads/broken_email $(cat broken_email.hash)
 '
 
+test_expect_success 'fsck notices broken commit' '
+	git fsck 2>actual &&
+	test_i18ngrep invalid.author actual
+'
+
 test_expect_success 'git log with broken author email' '
 	{
 		echo commit $(cat broken_email.hash)
 		echo "Author: A U Thor <author@example.com>"
-		echo "Date:   Thu Jan 1 00:00:00 1970 +0000"
+		echo "Date:   Thu Apr 7 15:13:13 2005 -0700"
 		echo
 		echo "    foo"
 	} >expect.out &&
@@ -30,7 +35,7 @@ test_expect_success 'git log with broken author email' '
 '
 
 test_expect_success 'git log --format with broken author email' '
-	echo "A U Thor+author@example.com+" >expect.out &&
+	echo "A U Thor+author@example.com+Thu Apr 7 15:13:13 2005 -0700" >expect.out &&
 	: >expect.err &&
 
 	git log --format="%an+%ae+%ad" broken_email >actual.out 2>actual.err &&