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-rwxr-xr-xthird_party/git/t/t4211-line-log.sh160
1 files changed, 159 insertions, 1 deletions
diff --git a/third_party/git/t/t4211-line-log.sh b/third_party/git/t/t4211-line-log.sh
index 1db7bd0f59b4..2d1d7b5d1938 100755
--- a/third_party/git/t/t4211-line-log.sh
+++ b/third_party/git/t/t4211-line-log.sh
@@ -11,7 +11,7 @@ test_expect_success 'setup (import history)' '
 canned_test_1 () {
 	test_expect_$1 "$2" "
 		git log $2 >actual &&
-		test_cmp \"\$TEST_DIRECTORY\"/t4211/expect.$3 actual
+		test_cmp \"\$TEST_DIRECTORY\"/t4211/$(test_oid algo)/expect.$3 actual
 	"
 }
 
@@ -132,4 +132,162 @@ test_expect_success '--raw is forbidden' '
 	test_must_fail git log -L1,24:b.c --raw
 '
 
+test_expect_success 'setup for checking fancy rename following' '
+	git checkout --orphan moves-start &&
+	git reset --hard &&
+
+	printf "%s\n"    12 13 14 15      b c d e   >file-1 &&
+	printf "%s\n"    22 23 24 25      B C D E   >file-2 &&
+	git add file-1 file-2 &&
+	test_tick &&
+	git commit -m "Add file-1 and file-2" &&
+	oid_add_f1_f2=$(git rev-parse --short HEAD) &&
+
+	git checkout -b moves-main &&
+	printf "%s\n" 11 12 13 14 15      b c d e   >file-1 &&
+	git commit -a -m "Modify file-1 on main" &&
+	oid_mod_f1_main=$(git rev-parse --short HEAD) &&
+
+	printf "%s\n" 21 22 23 24 25      B C D E   >file-2 &&
+	git commit -a -m "Modify file-2 on main #1" &&
+	oid_mod_f2_main_1=$(git rev-parse --short HEAD) &&
+
+	git mv file-1 renamed-1 &&
+	git commit -m "Rename file-1 to renamed-1 on main" &&
+
+	printf "%s\n" 11 12 13 14 15      b c d e f >renamed-1 &&
+	git commit -a -m "Modify renamed-1 on main" &&
+	oid_mod_r1_main=$(git rev-parse --short HEAD) &&
+
+	printf "%s\n" 21 22 23 24 25      B C D E F >file-2 &&
+	git commit -a -m "Modify file-2 on main #2" &&
+	oid_mod_f2_main_2=$(git rev-parse --short HEAD) &&
+
+	git checkout -b moves-side moves-start &&
+	printf "%s\n"    12 13 14 15 16   b c d e   >file-1 &&
+	git commit -a -m "Modify file-1 on side #1" &&
+	oid_mod_f1_side_1=$(git rev-parse --short HEAD) &&
+
+	printf "%s\n"    22 23 24 25 26   B C D E   >file-2 &&
+	git commit -a -m "Modify file-2 on side" &&
+	oid_mod_f2_side=$(git rev-parse --short HEAD) &&
+
+	git mv file-2 renamed-2 &&
+	git commit -m "Rename file-2 to renamed-2 on side" &&
+
+	printf "%s\n"    12 13 14 15 16 a b c d e   >file-1 &&
+	git commit -a -m "Modify file-1 on side #2" &&
+	oid_mod_f1_side_2=$(git rev-parse --short HEAD) &&
+
+	printf "%s\n"    22 23 24 25 26 A B C D E   >renamed-2 &&
+	git commit -a -m "Modify renamed-2 on side" &&
+	oid_mod_r2_side=$(git rev-parse --short HEAD) &&
+
+	git checkout moves-main &&
+	git merge moves-side &&
+	oid_merge=$(git rev-parse --short HEAD)
+'
+
+test_expect_success 'fancy rename following #1' '
+	cat >expect <<-EOF &&
+	$oid_merge Merge branch '\''moves-side'\'' into moves-main
+	$oid_mod_f1_side_2 Modify file-1 on side #2
+	$oid_mod_f1_side_1 Modify file-1 on side #1
+	$oid_mod_r1_main Modify renamed-1 on main
+	$oid_mod_f1_main Modify file-1 on main
+	$oid_add_f1_f2 Add file-1 and file-2
+	EOF
+	git log -L1:renamed-1 --oneline --no-patch >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'fancy rename following #2' '
+	cat >expect <<-EOF &&
+	$oid_merge Merge branch '\''moves-side'\'' into moves-main
+	$oid_mod_r2_side Modify renamed-2 on side
+	$oid_mod_f2_side Modify file-2 on side
+	$oid_mod_f2_main_2 Modify file-2 on main #2
+	$oid_mod_f2_main_1 Modify file-2 on main #1
+	$oid_add_f1_f2 Add file-1 and file-2
+	EOF
+	git log -L1:renamed-2 --oneline --no-patch >actual &&
+	test_cmp expect actual
+'
+
+# Create the following linear history, where each commit does what its
+# subject line promises:
+#
+#   * 66c6410 Modify func2() in file.c
+#   * 50834e5 Modify other-file
+#   * fe5851c Modify func1() in file.c
+#   * 8c7c7dd Add other-file
+#   * d5f4417 Add func1() and func2() in file.c
+test_expect_success 'setup for checking line-log and parent oids' '
+	git checkout --orphan parent-oids &&
+	git reset --hard &&
+
+	cat >file.c <<-\EOF &&
+	int func1()
+	{
+	    return F1;
+	}
+
+	int func2()
+	{
+	    return F2;
+	}
+	EOF
+	git add file.c &&
+	test_tick &&
+	first_tick=$test_tick &&
+	git commit -m "Add func1() and func2() in file.c" &&
+
+	echo 1 >other-file &&
+	git add other-file &&
+	test_tick &&
+	git commit -m "Add other-file" &&
+
+	sed -e "s/F1/F1 + 1/" file.c >tmp &&
+	mv tmp file.c &&
+	git commit -a -m "Modify func1() in file.c" &&
+
+	echo 2 >other-file &&
+	git commit -a -m "Modify other-file" &&
+
+	sed -e "s/F2/F2 + 2/" file.c >tmp &&
+	mv tmp file.c &&
+	git commit -a -m "Modify func2() in file.c" &&
+
+	head_oid=$(git rev-parse --short HEAD) &&
+	prev_oid=$(git rev-parse --short HEAD^) &&
+	root_oid=$(git rev-parse --short HEAD~4)
+'
+
+# Parent oid should be from immediate parent.
+test_expect_success 'parent oids without parent rewriting' '
+	cat >expect <<-EOF &&
+	$head_oid $prev_oid Modify func2() in file.c
+	$root_oid  Add func1() and func2() in file.c
+	EOF
+	git log --format="%h %p %s" --no-patch -L:func2:file.c >actual &&
+	test_cmp expect actual
+'
+
+# Parent oid should be from the most recent ancestor touching func2(),
+# i.e. in this case from the root commit.
+test_expect_success 'parent oids with parent rewriting' '
+	cat >expect <<-EOF &&
+	$head_oid $root_oid Modify func2() in file.c
+	$root_oid  Add func1() and func2() in file.c
+	EOF
+	git log --format="%h %p %s" --no-patch -L:func2:file.c --parents >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'line-log with --before' '
+	echo $root_oid >expect &&
+	git log --format=%h --no-patch -L:func2:file.c --before=$first_tick >actual &&
+	test_cmp expect actual
+'
+
 test_done