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Merge branch 'sl/diff-tree-sparse' into next

"git diff-tree" has been taught to take advantage of the
sparse-index feature.

* sl/diff-tree-sparse:
  diff-tree: integrate with sparse index
This commit is contained in:
Junio C Hamano 2023-05-24 09:12:14 +09:00
commit 5d4f2dec4d
3 changed files with 48 additions and 0 deletions

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@ -122,6 +122,10 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix)
usage(diff_tree_usage);
git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
prepare_repo_settings(the_repository);
the_repository->settings.command_requires_full_index = 0;
repo_init_revisions(the_repository, opt, prefix);
if (repo_read_index(the_repository) < 0)
die(_("index file corrupt"));

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@ -131,5 +131,7 @@ test_perf_on_all git describe --dirty
test_perf_on_all 'echo >>new && git describe --dirty'
test_perf_on_all git diff-files
test_perf_on_all git diff-files -- $SPARSE_CONE/a
test_perf_on_all git diff-tree HEAD
test_perf_on_all git diff-tree HEAD -- $SPARSE_CONE/a
test_done

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@ -2180,4 +2180,46 @@ test_expect_success 'sparse index is not expanded: diff-files' '
ensure_not_expanded diff-files -- "deep/*"
'
test_expect_success 'diff-tree' '
init_repos &&
# Test change inside sparse cone
tree1=$(git -C sparse-index rev-parse HEAD^{tree}) &&
tree2=$(git -C sparse-index rev-parse update-deep^{tree}) &&
test_all_match git diff-tree $tree1 $tree2 &&
test_all_match git diff-tree $tree1 $tree2 -- deep/a &&
test_all_match git diff-tree HEAD update-deep &&
test_all_match git diff-tree HEAD update-deep -- deep/a &&
# Test change outside sparse cone
tree3=$(git -C sparse-index rev-parse update-folder1^{tree}) &&
test_all_match git diff-tree $tree1 $tree3 &&
test_all_match git diff-tree $tree1 $tree3 -- folder1/a &&
test_all_match git diff-tree HEAD update-folder1 &&
test_all_match git diff-tree HEAD update-folder1 -- folder1/a &&
# Check that SKIP_WORKTREE files are not materialized
test_path_is_missing sparse-checkout/folder1/a &&
test_path_is_missing sparse-index/folder1/a &&
test_path_is_missing sparse-checkout/folder2/a &&
test_path_is_missing sparse-index/folder2/a
'
test_expect_success 'sparse-index is not expanded: diff-tree' '
init_repos &&
tree1=$(git -C sparse-index rev-parse HEAD^{tree}) &&
tree2=$(git -C sparse-index rev-parse update-deep^{tree}) &&
tree3=$(git -C sparse-index rev-parse update-folder1^{tree}) &&
ensure_not_expanded diff-tree $tree1 $tree2 &&
ensure_not_expanded diff-tree $tree1 $tree2 -- deep/a &&
ensure_not_expanded diff-tree HEAD update-deep &&
ensure_not_expanded diff-tree HEAD update-deep -- deep/a &&
ensure_not_expanded diff-tree $tree1 $tree3 &&
ensure_not_expanded diff-tree $tree1 $tree3 -- folder1/a &&
ensure_not_expanded diff-tree HEAD update-folder1 &&
ensure_not_expanded diff-tree HEAD update-folder1 -- folder1/a
'
test_done