sparse-index: integrate with cherry-pick and rebase

derrickstolee · gitster · commit 516680ba7704 · 2021-09-09T15:49:05.000-07:00
The hard work was already done with 'git merge' and the ORT strategy.
Just add extra tests to see that we get the expected results in the
non-conflict cases.

Signed-off-by: Derrick Stolee &lt;dstolee@microsoft.com&gt;
Reviewed-by: Elijah Newren &lt;newren@gmail.com&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/builtin/rebase.c b/builtin/rebase.c
@@ -559,6 +559,9 @@ int cmd_rebase__interactive(int argc, const char **argv, const char *prefix)
 	argc = parse_options(argc, argv, prefix, options,
 			builtin_rebase_interactive_usage, PARSE_OPT_KEEP_ARGV0);
 
+	prepare_repo_settings(the_repository);
+	the_repository->settings.command_requires_full_index = 0;
+
 	if (!is_null_oid(&squash_onto))
 		opts.squash_onto = &squash_onto;
 
@@ -1430,6 +1433,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
 		usage_with_options(builtin_rebase_usage,
 				   builtin_rebase_options);
 
+	prepare_repo_settings(the_repository);
+	the_repository->settings.command_requires_full_index = 0;
+
 	options.allow_empty_message = 1;
 	git_config(rebase_config, &options);
 	/* options.gpg_sign_opt will be either "-S" or NULL */
diff --git a/builtin/revert.c b/builtin/revert.c
@@ -136,6 +136,9 @@ static int run_sequencer(int argc, const char **argv, struct replay_opts *opts)
 			PARSE_OPT_KEEP_ARGV0 |
 			PARSE_OPT_KEEP_UNKNOWN);
 
+	prepare_repo_settings(the_repository);
+	the_repository->settings.command_requires_full_index = 0;
+
 	/* implies allow_empty */
 	if (opts->keep_redundant_commits)
 		opts->allow_empty = 1;
diff --git a/t/t1092-sparse-checkout-compatibility.sh b/t/t1092-sparse-checkout-compatibility.sh
@@ -527,6 +527,38 @@ test_expect_success 'merge with conflict outside cone' '
 	test_all_match git rev-parse HEAD^{tree}
 '
 
+test_expect_success 'cherry-pick/rebase with conflict outside cone' '
+	init_repos &&
+
+	for OPERATION in cherry-pick rebase
+	do
+		test_all_match git checkout -B tip &&
+		test_all_match git reset --hard merge-left &&
+		test_all_match git status --porcelain=v2 &&
+		test_all_match test_must_fail git $OPERATION merge-right &&
+		test_all_match git status --porcelain=v2 &&
+
+		# Resolve the conflict in different ways:
+		# 1. Revert to the base
+		test_all_match git checkout base -- deep/deeper2/a &&
+		test_all_match git status --porcelain=v2 &&
+
+		# 2. Add the file with conflict markers
+		test_all_match git add folder1/a &&
+		test_all_match git status --porcelain=v2 &&
+
+		# 3. Rename the file to another sparse filename and
+		#    accept conflict markers as resolved content.
+		run_on_all mv folder2/a folder2/z &&
+		test_all_match git add folder2 &&
+		test_all_match git status --porcelain=v2 &&
+
+		test_all_match git $OPERATION --continue &&
+		test_all_match git status --porcelain=v2 &&
+		test_all_match git rev-parse HEAD^{tree} || return 1
+	done
+'
+
 test_expect_success 'merge with outside renames' '
 	init_repos &&
 
@@ -665,8 +697,11 @@ test_expect_success 'sparse-index is not expanded' '
 	test_config -C sparse-index pull.twohead ort &&
 	(
 		sane_unset GIT_TEST_MERGE_ALGORITHM &&
-		ensure_not_expanded merge -m merge update-folder1 &&
-		ensure_not_expanded merge -m merge update-folder2
+		for OPERATION in "merge -m merge" cherry-pick rebase
+		do
+			ensure_not_expanded merge -m merge update-folder1 &&
+			ensure_not_expanded merge -m merge update-folder2 || return 1
+		done
 	)
 '
 
