[PATCH 6/8] builtin/rebase: compute checkout metadata for rebases

["brian m. carlson" <sandals@crustytoothpaste.net>]

From: "brian m. carlson" <bk2204@github.com>

Signed-off-by: brian m. carlson <bk2204@github.com>
---
 builtin/rebase.c      |  1 +
 sequencer.c           |  1 +
 t/t0021-conversion.sh | 39 ++++++++++++++++++++++++++++++++++++++-
 3 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/builtin/rebase.c b/builtin/rebase.c
index cb7aeae597..903267fff9 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -868,6 +868,7 @@ static int reset_head(struct object_id *oid, const char *action,
 	unpack_tree_opts.fn = reset_hard ? oneway_merge : twoway_merge;
 	unpack_tree_opts.update = 1;
 	unpack_tree_opts.merge = 1;
+	init_checkout_metadata(&unpack_tree_opts.meta, switch_to_branch, oid, NULL);
 	if (!detach_head)
 		unpack_tree_opts.reset = 1;
 
diff --git a/sequencer.c b/sequencer.c
index 7477b15422..b05a010c0c 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -3288,6 +3288,7 @@ static int do_reset(struct repository *r,
 	unpack_tree_opts.fn = oneway_merge;
 	unpack_tree_opts.merge = 1;
 	unpack_tree_opts.update = 1;
+	init_checkout_metadata(&unpack_tree_opts.meta, name, &oid, NULL);
 
 	if (repo_read_index_unmerged(r)) {
 		rollback_lock_file(&lock);
diff --git a/t/t0021-conversion.sh b/t/t0021-conversion.sh
index ad329044a3..3efb0dad20 100755
--- a/t/t0021-conversion.sh
+++ b/t/t0021-conversion.sh
@@ -382,7 +382,8 @@ test_expect_success PERL 'required process filter should filter data' '
 		test_cmp_count expected.log debug.log &&
 
 		git commit -m "test commit 2" &&
-		META="ref=refs/heads/master treeish=$(git rev-parse --verify master)" &&
+		MASTER=$(git rev-parse --verify master) &&
+		META="ref=refs/heads/master treeish=$MASTER" &&
 		rm -f test2.r "testsubdir/test3 '\''sq'\'',\$x=.r" &&
 
 		filter_git checkout --quiet --no-progress . &&
@@ -425,6 +426,42 @@ test_expect_success PERL 'required process filter should filter data' '
 	)
 '
 
+test_expect_success PERL 'required process filter should filter data for various subcommands' '
+	test_config_global filter.protocol.process "rot13-filter.pl debug.log clean smudge" &&
+	test_config_global filter.protocol.required true &&
+	(
+		cd repo &&
+
+		S=$(file_size test.r) &&
+		S2=$(file_size test2.r) &&
+		S3=$(file_size "testsubdir/test3 '\''sq'\'',\$x=.r") &&
+		M=$(git hash-object test.r) &&
+		M2=$(git hash-object test2.r) &&
+		M3=$(git hash-object "testsubdir/test3 '\''sq'\'',\$x=.r") &&
+		EMPTY=$(git hash-object /dev/null) &&
+
+		MASTER=$(git rev-parse --verify master) &&
+
+		cp "$TEST_ROOT/test.o" test5.r &&
+		git add test5.r &&
+		git commit -m "test commit 3" &&
+		git checkout empty-branch &&
+		filter_git rebase --onto empty-branch master^^ master &&
+		META="ref=refs/heads/master treeish=$(git rev-parse --verify master)" &&
+		cat >expected.log <<-EOF &&
+			START
+			init handshake complete
+			IN: smudge test.r $META blob=$M $S [OK] -- OUT: $S . [OK]
+			IN: smudge test2.r $META blob=$M2 $S2 [OK] -- OUT: $S2 . [OK]
+			IN: smudge test4-empty.r $META blob=$EMPTY 0 [OK] -- OUT: 0  [OK]
+			IN: smudge test5.r $META blob=$M $S [OK] -- OUT: $S . [OK]
+			IN: smudge testsubdir/test3 '\''sq'\'',\$x=.r $META blob=$M3 $S3 [OK] -- OUT: $S3 . [OK]
+			STOP
+		EOF
+		test_cmp_exclude_clean expected.log debug.log
+	)
+'
+
 test_expect_success PERL 'required process filter takes precedence' '
 	test_config_global filter.protocol.clean false &&
 	test_config_global filter.protocol.process "rot13-filter.pl debug.log clean" &&