From b4ecbcf6a256e533a3e0231095758527999e7fe0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20Scharfe?= <l.s.r@web.de>
Date: Sun, 8 Sep 2019 19:58:41 +0200
Subject: log: test --decorate-refs-exclude with --simplify-by-decoration
MIME-Version: 1.0
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Demonstrate that a decoration filter given with --decorate-refs-exclude
is inadvertently overruled by --simplify-by-decoration.

Reported-by: Étienne SERVAIS <etienne.servais@voucoux.fr>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t4202-log.sh b/t/t4202-log.sh
index c202093..01c95d1 100755
--- a/t/t4202-log.sh
+++ b/t/t4202-log.sh
@@ -837,6 +837,21 @@ test_expect_success 'decorate-refs and decorate-refs-exclude' '
 	test_cmp expect.decorate actual
 '
 
+test_expect_failure 'decorate-refs-exclude and simplify-by-decoration' '
+	cat >expect.decorate <<-\EOF &&
+	Merge-tag-reach (HEAD -> master)
+	reach (tag: reach, reach)
+	seventh (tag: seventh)
+	Merge-branch-tangle
+	Merge-branch-side-early-part-into-tangle (tangle)
+	tangle-a (tag: tangle-a)
+	EOF
+	git log -n6 --decorate=short --pretty="tformat:%f%d" \
+		--decorate-refs-exclude="*octopus*" \
+		--simplify-by-decoration >actual &&
+	test_cmp expect.decorate actual
+'
+
 test_expect_success 'log.decorate config parsing' '
 	git log --oneline --decorate=full >expect.full &&
 	git log --oneline --decorate=short >expect.short &&
-- 
cgit v0.10.2-6-g49f6


From 0cc7380d8846c30ce0d5d6310b2cb5994f269133 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20Scharfe?= <l.s.r@web.de>
Date: Sun, 8 Sep 2019 19:58:51 +0200
Subject: log-tree: call load_ref_decorations() in get_name_decoration()
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

Load a default set of ref name decorations at the first lookup.  This
frees direct and indirect callers from doing so.  They can still do it
if they want to use a filter or are interested in full decorations
instead of the default short ones -- the first load_ref_decorations()
call wins.

This means that the load in builtin/log.c::cmd_log_init_finish() is
respected even if --simplify-by-decoration is given, as the previously
dominating earlier load in handle_revision_opt() is gone.  So a filter
given with --decorate-refs-exclude is used for simplification in that
case, as expected.

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/log-tree.c b/log-tree.c
index 1e56df6..2d5710e 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -77,6 +77,7 @@ void add_name_decoration(enum decoration_type type, const char *name, struct obj
 
 const struct name_decoration *get_name_decoration(const struct object *obj)
 {
+	load_ref_decorations(NULL, DECORATE_SHORT_REFS);
 	return lookup_decoration(&name_decoration, obj);
 }
 
diff --git a/pretty.c b/pretty.c
index e4ed14e..b32f036 100644
--- a/pretty.c
+++ b/pretty.c
@@ -1239,11 +1239,9 @@ static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */
 		strbuf_addstr(sb, get_revision_mark(NULL, commit));
 		return 1;
 	case 'd':
-		load_ref_decorations(NULL, DECORATE_SHORT_REFS);
 		format_decorations(sb, commit, c->auto_color);
 		return 1;
 	case 'D':
-		load_ref_decorations(NULL, DECORATE_SHORT_REFS);
 		format_decorations_extended(sb, commit, c->auto_color, "", ", ", "");
 		return 1;
 	case 'S':		/* tag/branch like --source */
diff --git a/revision.c b/revision.c
index 0741229..1df3061 100644
--- a/revision.c
+++ b/revision.c
@@ -2063,7 +2063,6 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
 		revs->simplify_by_decoration = 1;
 		revs->limited = 1;
 		revs->prune = 1;
-		load_ref_decorations(NULL, DECORATE_SHORT_REFS);
 	} else if (!strcmp(arg, "--date-order")) {
 		revs->sort_order = REV_SORT_BY_COMMIT_DATE;
 		revs->topo_order = 1;
diff --git a/t/t4202-log.sh b/t/t4202-log.sh
index 01c95d1..bb66d1d 100755
--- a/t/t4202-log.sh
+++ b/t/t4202-log.sh
@@ -837,7 +837,7 @@ test_expect_success 'decorate-refs and decorate-refs-exclude' '
 	test_cmp expect.decorate actual
 '
 
-test_expect_failure 'decorate-refs-exclude and simplify-by-decoration' '
+test_expect_success 'decorate-refs-exclude and simplify-by-decoration' '
 	cat >expect.decorate <<-\EOF &&
 	Merge-tag-reach (HEAD -> master)
 	reach (tag: reach, reach)
-- 
cgit v0.10.2-6-g49f6