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Diffstat (limited to 't/t1092-sparse-checkout-compatibility.sh')
| -rwxr-xr-x | t/t1092-sparse-checkout-compatibility.sh | 1068 |
1 files changed, 1068 insertions, 0 deletions
diff --git a/t/t1092-sparse-checkout-compatibility.sh b/t/t1092-sparse-checkout-compatibility.sh new file mode 100755 index 0000000000..71b45bff44 --- /dev/null +++ b/t/t1092-sparse-checkout-compatibility.sh @@ -0,0 +1,1068 @@ +#!/bin/sh + +test_description='compare full workdir to sparse workdir' + +GIT_TEST_SPLIT_INDEX=0 +GIT_TEST_SPARSE_INDEX= + +. ./test-lib.sh + +test_expect_success 'setup' ' + git init initial-repo && + ( + GIT_TEST_SPARSE_INDEX=0 && + cd initial-repo && + echo a >a && + echo "after deep" >e && + echo "after folder1" >g && + echo "after x" >z && + mkdir folder1 folder2 deep x && + mkdir deep/deeper1 deep/deeper2 deep/before deep/later && + mkdir deep/deeper1/deepest && + echo "after deeper1" >deep/e && + echo "after deepest" >deep/deeper1/e && + cp a folder1 && + cp a folder2 && + cp a x && + cp a deep && + cp a deep/before && + cp a deep/deeper1 && + cp a deep/deeper2 && + cp a deep/later && + cp a deep/deeper1/deepest && + cp -r deep/deeper1/deepest deep/deeper2 && + mkdir deep/deeper1/0 && + mkdir deep/deeper1/0/0 && + touch deep/deeper1/0/1 && + touch deep/deeper1/0/0/0 && + >folder1- && + >folder1.x && + >folder10 && + cp -r deep/deeper1/0 folder1 && + cp -r deep/deeper1/0 folder2 && + echo >>folder1/0/0/0 && + echo >>folder2/0/1 && + git add . && + git commit -m "initial commit" && + git checkout -b base && + for dir in folder1 folder2 deep + do + git checkout -b update-$dir base && + echo "updated $dir" >$dir/a && + git commit -a -m "update $dir" || return 1 + done && + + git checkout -b rename-base base && + cat >folder1/larger-content <<-\EOF && + matching + lines + help + inexact + renames + EOF + cp folder1/larger-content folder2/ && + cp folder1/larger-content deep/deeper1/ && + git add . && + git commit -m "add interesting rename content" && + + git checkout -b rename-out-to-out rename-base && + mv folder1/a folder2/b && + mv folder1/larger-content folder2/edited-content && + echo >>folder2/edited-content && + echo >>folder2/0/1 && + echo stuff >>deep/deeper1/a && + git add . && + git commit -m "rename folder1/... to folder2/..." && + + git checkout -b rename-out-to-in rename-base && + mv folder1/a deep/deeper1/b && + echo more stuff >>deep/deeper1/a && + rm folder2/0/1 && + mkdir folder2/0/1 && + echo >>folder2/0/1/1 && + mv folder1/larger-content deep/deeper1/edited-content && + echo >>deep/deeper1/edited-content && + git add . && + git commit -m "rename folder1/... to deep/deeper1/..." && + + git checkout -b rename-in-to-out rename-base && + mv deep/deeper1/a folder1/b && + echo >>folder2/0/1 && + rm -rf folder1/0/0 && + echo >>folder1/0/0 && + mv deep/deeper1/larger-content folder1/edited-content && + echo >>folder1/edited-content && + git add . && + git commit -m "rename deep/deeper1/... to folder1/..." && + + git checkout -b df-conflict-1 base && + rm -rf folder1 && + echo content >folder1 && + git add . && + git commit -m "dir to file" && + + git checkout -b df-conflict-2 base && + rm -rf folder2 && + echo content >folder2 && + git add . && + git commit -m "dir to file" && + + git checkout -b fd-conflict base && + rm a && + mkdir a && + echo content >a/a && + git add . && + git commit -m "file to dir" && + + for side in left right + do + git checkout -b merge-$side base && + echo $side >>deep/deeper2/a && + echo $side >>folder1/a && + echo $side >>folder2/a && + git add . && + git commit -m "$side" || return 1 + done && + + git checkout -b deepest base && + echo "updated deepest" >deep/deeper1/deepest/a && + git commit -a -m "update deepest" && + + git checkout -f base && + git reset --hard + ) +' + +init_repos () { + rm -rf full-checkout sparse-checkout sparse-index && + + # create repos in initial state + cp -r initial-repo full-checkout && + git -C full-checkout reset --hard && + + cp -r initial-repo sparse-checkout && + git -C sparse-checkout reset --hard && + + cp -r initial-repo sparse-index && + git -C sparse-index reset --hard && + + # initialize sparse-checkout definitions + git -C sparse-checkout sparse-checkout init --cone && + git -C sparse-checkout sparse-checkout set deep && + git -C sparse-index sparse-checkout init --cone --sparse-index && + test_cmp_config -C sparse-index true index.sparse && + git -C sparse-index sparse-checkout set deep +} + +run_on_sparse () { + ( + cd sparse-checkout && + GIT_PROGRESS_DELAY=100000 "$@" >../sparse-checkout-out 2>../sparse-checkout-err + ) && + ( + cd sparse-index && + GIT_PROGRESS_DELAY=100000 "$@" >../sparse-index-out 2>../sparse-index-err + ) +} + +run_on_all () { + ( + cd full-checkout && + GIT_PROGRESS_DELAY=100000 "$@" >../full-checkout-out 2>../full-checkout-err + ) && + run_on_sparse "$@" +} + +test_all_match () { + run_on_all "$@" && + test_cmp full-checkout-out sparse-checkout-out && + test_cmp full-checkout-out sparse-index-out && + test_cmp full-checkout-err sparse-checkout-err && + test_cmp full-checkout-err sparse-index-err +} + +test_sparse_match () { + run_on_sparse "$@" && + test_cmp sparse-checkout-out sparse-index-out && + test_cmp sparse-checkout-err sparse-index-err +} + +test_sparse_unstaged () { + file=$1 && + for repo in sparse-checkout sparse-index + do + # Skip "unmerged" paths + git -C $repo diff --staged --diff-filter=u -- "$file" >diff && + test_must_be_empty diff || return 1 + done +} + +test_expect_success 'sparse-index contents' ' + init_repos && + + test-tool -C sparse-index read-cache --table >cache && + for dir in folder1 folder2 x + do + TREE=$(git -C sparse-index rev-parse HEAD:$dir) && + grep "040000 tree $TREE $dir/" cache \ + || return 1 + done && + + git -C sparse-index sparse-checkout set folder1 && + + test-tool -C sparse-index read-cache --table >cache && + for dir in deep folder2 x + do + TREE=$(git -C sparse-index rev-parse HEAD:$dir) && + grep "040000 tree $TREE $dir/" cache \ + || return 1 + done && + + git -C sparse-index sparse-checkout set deep/deeper1 && + + test-tool -C sparse-index read-cache --table >cache && + for dir in deep/deeper2 folder1 folder2 x + do + TREE=$(git -C sparse-index rev-parse HEAD:$dir) && + grep "040000 tree $TREE $dir/" cache \ + || return 1 + done && + + # Disabling the sparse-index removes tree entries with full ones + git -C sparse-index sparse-checkout init --no-sparse-index && + + test-tool -C sparse-index read-cache --table >cache && + ! grep "040000 tree" cache && + test_sparse_match test-tool read-cache --table +' + +test_expect_success 'expanded in-memory index matches full index' ' + init_repos && + test_sparse_match test-tool read-cache --expand --table +' + +test_expect_success 'status with options' ' + init_repos && + test_sparse_match ls && + test_all_match git status --porcelain=v2 && + test_all_match git status --porcelain=v2 -z -u && + test_all_match git status --porcelain=v2 -uno && + run_on_all touch README.md && + test_all_match git status --porcelain=v2 && + test_all_match git status --porcelain=v2 -z -u && + test_all_match git status --porcelain=v2 -uno && + test_all_match git add README.md && + test_all_match git status --porcelain=v2 && + test_all_match git status --porcelain=v2 -z -u && + test_all_match git status --porcelain=v2 -uno +' + +test_expect_success 'status reports sparse-checkout' ' + init_repos && + git -C sparse-checkout status >full && + git -C sparse-index status >sparse && + test_i18ngrep "You are in a sparse checkout with " full && + test_i18ngrep "You are in a sparse checkout." sparse +' + +test_expect_success 'add, commit, checkout' ' + init_repos && + + write_script edit-contents <<-\EOF && + echo text >>$1 + EOF + run_on_all ../edit-contents README.md && + + test_all_match git add README.md && + test_all_match git status --porcelain=v2 && + test_all_match git commit -m "Add README.md" && + + test_all_match git checkout HEAD~1 && + test_all_match git checkout - && + + run_on_all ../edit-contents README.md && + + test_all_match git add -A && + test_all_match git status --porcelain=v2 && + test_all_match git commit -m "Extend README.md" && + + test_all_match git checkout HEAD~1 && + test_all_match git checkout - && + + run_on_all ../edit-contents deep/newfile && + + test_all_match git status --porcelain=v2 -uno && + test_all_match git status --porcelain=v2 && + test_all_match git add . && + test_all_match git status --porcelain=v2 && + test_all_match git commit -m "add deep/newfile" && + + test_all_match git checkout HEAD~1 && + test_all_match git checkout - +' + +test_expect_success 'add outside sparse cone' ' + init_repos && + + run_on_sparse mkdir folder1 && + run_on_sparse ../edit-contents folder1/a && + run_on_sparse ../edit-contents folder1/newfile && + test_sparse_match test_must_fail git add folder1/a && + grep "Disable or modify the sparsity rules" sparse-checkout-err && + test_sparse_unstaged folder1/a && + test_sparse_match test_must_fail git add folder1/newfile && + grep "Disable or modify the sparsity rules" sparse-checkout-err && + test_sparse_unstaged folder1/newfile +' + +test_expect_success 'commit including unstaged changes' ' + init_repos && + + write_script edit-file <<-\EOF && + echo $1 >$2 + EOF + + run_on_all ../edit-file 1 a && + run_on_all ../edit-file 1 deep/a && + + test_all_match git commit -m "-a" -a && + test_all_match git status --porcelain=v2 && + + run_on_all ../edit-file 2 a && + run_on_all ../edit-file 2 deep/a && + + test_all_match git commit -m "--include" --include deep/a && + test_all_match git status --porcelain=v2 && + test_all_match git commit -m "--include" --include a && + test_all_match git status --porcelain=v2 && + + run_on_all ../edit-file 3 a && + run_on_all ../edit-file 3 deep/a && + + test_all_match git commit -m "--amend" -a --amend && + test_all_match git status --porcelain=v2 +' + +test_expect_success 'status/add: outside sparse cone' ' + init_repos && + + # folder1 is at HEAD, but outside the sparse cone + run_on_sparse mkdir folder1 && + cp initial-repo/folder1/a sparse-checkout/folder1/a && + cp initial-repo/folder1/a sparse-index/folder1/a && + + test_sparse_match git status && + + write_script edit-contents <<-\EOF && + echo text >>$1 + EOF + run_on_sparse ../edit-contents folder1/a && + run_on_all ../edit-contents folder1/new && + + test_sparse_match git status --porcelain=v2 && + + # Adding the path outside of the sparse-checkout cone should fail. + test_sparse_match test_must_fail git add folder1/a && + grep "Disable or modify the sparsity rules" sparse-checkout-err && + test_sparse_unstaged folder1/a && + test_sparse_match test_must_fail git add --refresh folder1/a && + grep "Disable or modify the sparsity rules" sparse-checkout-err && + test_sparse_unstaged folder1/a && + test_sparse_match test_must_fail git add folder1/new && + grep "Disable or modify the sparsity rules" sparse-checkout-err && + test_sparse_unstaged folder1/new && + test_sparse_match git add --sparse folder1/a && + test_sparse_match git add --sparse folder1/new && + + test_all_match git add --sparse . && + test_all_match git status --porcelain=v2 && + test_all_match git commit -m folder1/new && + test_all_match git rev-parse HEAD^{tree} && + + run_on_all ../edit-contents folder1/newer && + test_all_match git add --sparse folder1/ && + test_all_match git status --porcelain=v2 && + test_all_match git commit -m folder1/newer && + test_all_match git rev-parse HEAD^{tree} +' + +test_expect_success 'checkout and reset --hard' ' + init_repos && + + test_all_match git checkout update-folder1 && + test_all_match git status --porcelain=v2 && + + test_all_match git checkout update-deep && + test_all_match git status --porcelain=v2 && + + test_all_match git checkout -b reset-test && + test_all_match git reset --hard deepest && + test_all_match git reset --hard update-folder1 && + test_all_match git reset --hard update-folder2 +' + +test_expect_success 'diff --staged' ' + init_repos && + + write_script edit-contents <<-\EOF && + echo text >>README.md + EOF + run_on_all ../edit-contents && + + test_all_match git diff && + test_all_match git diff --staged && + test_all_match git add README.md && + test_all_match git diff && + test_all_match git diff --staged +' + +# NEEDSWORK: sparse-checkout behaves differently from full-checkout when +# running this test with 'df-conflict-2' after 'df-conflict-1'. +test_expect_success 'diff with renames and conflicts' ' + init_repos && + + for branch in rename-out-to-out \ + rename-out-to-in \ + rename-in-to-out \ + df-conflict-1 \ + fd-conflict + do + test_all_match git checkout rename-base && + test_all_match git checkout $branch -- . && + test_all_match git status --porcelain=v2 && + test_all_match git diff --staged --no-renames && + test_all_match git diff --staged --find-renames || return 1 + done +' + +test_expect_success 'diff with directory/file conflicts' ' + init_repos && + + for branch in rename-out-to-out \ + rename-out-to-in \ + rename-in-to-out \ + df-conflict-1 \ + df-conflict-2 \ + fd-conflict + do + git -C full-checkout reset --hard && + test_sparse_match git reset --hard && + test_all_match git checkout $branch && + test_all_match git checkout rename-base -- . && + test_all_match git status --porcelain=v2 && + test_all_match git diff --staged --no-renames && + test_all_match git diff --staged --find-renames || return 1 + done +' + +test_expect_success 'log with pathspec outside sparse definition' ' + init_repos && + + test_all_match git log -- a && + test_all_match git log -- folder1/a && + test_all_match git log -- folder2/a && + test_all_match git log -- deep/a && + test_all_match git log -- deep/deeper1/a && + test_all_match git log -- deep/deeper1/deepest/a && + + test_all_match git checkout update-folder1 && + test_all_match git log -- folder1/a +' + +test_expect_success 'blame with pathspec inside sparse definition' ' + init_repos && + + test_all_match git blame a && + test_all_match git blame deep/a && + test_all_match git blame deep/deeper1/a && + test_all_match git blame deep/deeper1/deepest/a +' + +# TODO: blame currently does not support blaming files outside of the +# sparse definition. It complains that the file doesn't exist locally. +test_expect_failure 'blame with pathspec outside sparse definition' ' + init_repos && + + test_all_match git blame folder1/a && + test_all_match git blame folder2/a && + test_all_match git blame deep/deeper2/a && + test_all_match git blame deep/deeper2/deepest/a +' + +test_expect_success 'checkout and reset (mixed)' ' + init_repos && + + test_all_match git checkout -b reset-test update-deep && + test_all_match git reset deepest && + + # Because skip-worktree is preserved, resetting to update-folder1 + # will show worktree changes for folder1/a in full-checkout, but not + # in sparse-checkout or sparse-index. + git -C full-checkout reset update-folder1 >full-checkout-out && + test_sparse_match git reset update-folder1 && + grep "M folder1/a" full-checkout-out && + ! grep "M folder1/a" sparse-checkout-out && + run_on_sparse test_path_is_missing folder1 +' + +test_expect_success 'checkout and reset (merge)' ' + init_repos && + + write_script edit-contents <<-\EOF && + echo text >>$1 + EOF + + test_all_match git checkout -b reset-test update-deep && + run_on_all ../edit-contents a && + test_all_match git reset --merge deepest && + test_all_match git status --porcelain=v2 && + + test_all_match git reset --hard update-deep && + run_on_all ../edit-contents deep/a && + test_all_match test_must_fail git reset --merge deepest +' + +test_expect_success 'checkout and reset (keep)' ' + init_repos && + + write_script edit-contents <<-\EOF && + echo text >>$1 + EOF + + test_all_match git checkout -b reset-test update-deep && + run_on_all ../edit-contents a && + test_all_match git reset --keep deepest && + test_all_match git status --porcelain=v2 && + + test_all_match git reset --hard update-deep && + run_on_all ../edit-contents deep/a && + test_all_match test_must_fail git reset --keep deepest +' + +test_expect_success 'reset with pathspecs inside sparse definition' ' + init_repos && + + write_script edit-contents <<-\EOF && + echo text >>$1 + EOF + + test_all_match git checkout -b reset-test update-deep && + run_on_all ../edit-contents deep/a && + + test_all_match git reset base -- deep/a && + test_all_match git status --porcelain=v2 && + + test_all_match git reset base -- nonexistent-file && + test_all_match git status --porcelain=v2 && + + test_all_match git reset deepest -- deep && + test_all_match git status --porcelain=v2 +' + +# Although the working tree differs between full and sparse checkouts after +# reset, the state of the index is the same. +test_expect_success 'reset with pathspecs outside sparse definition' ' + init_repos && + test_all_match git checkout -b reset-test base && + + test_sparse_match git reset update-folder1 -- folder1 && + git -C full-checkout reset update-folder1 -- folder1 && + test_sparse_match git status --porcelain=v2 && + test_all_match git rev-parse HEAD:folder1 && + + test_sparse_match git reset update-folder2 -- folder2/a && + git -C full-checkout reset update-folder2 -- folder2/a && + test_sparse_match git status --porcelain=v2 && + test_all_match git rev-parse HEAD:folder2/a +' + +test_expect_success 'reset with wildcard pathspec' ' + init_repos && + + test_all_match git reset update-deep -- deep\* && + test_all_match git ls-files -s -- deep && + + test_all_match git reset deepest -- deep\*\*\* && + test_all_match git ls-files -s -- deep && + + # The following `git reset`s result in updating the index on files with + # `skip-worktree` enabled. To avoid failing due to discrepencies in reported + # "modified" files, `test_sparse_match` reset is performed separately from + # "full-checkout" reset, then the index contents of all repos are verified. + + test_sparse_match git reset update-folder1 -- \*/a && + git -C full-checkout reset update-folder1 -- \*/a && + test_all_match git ls-files -s -- deep/a folder1/a && + + test_sparse_match git reset update-folder2 -- folder\* && + git -C full-checkout reset update-folder2 -- folder\* && + test_all_match git ls-files -s -- folder10 folder1 folder2 && + + test_sparse_match git reset base -- folder1/\* && + git -C full-checkout reset base -- folder1/\* && + test_all_match git ls-files -s -- folder1 +' + +test_expect_success 'merge, cherry-pick, and rebase' ' + init_repos && + + for OPERATION in "merge -m merge" cherry-pick "rebase --apply" "rebase --merge" + do + test_all_match git checkout -B temp update-deep && + test_all_match git $OPERATION update-folder1 && + test_all_match git rev-parse HEAD^{tree} && + test_all_match git $OPERATION update-folder2 && + test_all_match git rev-parse HEAD^{tree} || return 1 + done +' + +test_expect_success 'merge with conflict outside cone' ' + init_repos && + + test_all_match git checkout -b merge-tip merge-left && + test_all_match git status --porcelain=v2 && + test_all_match test_must_fail git merge -m merge 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_sparse_match test_must_fail git add folder1/a && + grep "Disable or modify the sparsity rules" sparse-checkout-err && + test_sparse_unstaged folder1/a && + test_all_match git add --sparse 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_sparse_match test_must_fail git add folder2 && + grep "Disable or modify the sparsity rules" sparse-checkout-err && + test_sparse_unstaged folder2/z && + test_all_match git add --sparse folder2 && + test_all_match git status --porcelain=v2 && + + test_all_match git merge --continue && + test_all_match git status --porcelain=v2 && + 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 + # NEEDSWORK: Even though the merge conflict removed the + # SKIP_WORKTREE bit from the index entry for folder1/a, we should + # warn that this is a problematic add. + test_sparse_match test_must_fail git add folder1/a && + grep "Disable or modify the sparsity rules" sparse-checkout-err && + test_sparse_unstaged folder1/a && + test_all_match git add --sparse folder1/a && + test_all_match git status --porcelain=v2 && + + # 3. Rename the file to another sparse filename and + # accept conflict markers as resolved content. + # NEEDSWORK: This mode now fails, because folder2/z is + # outside of the sparse-checkout cone and does not match an + # existing index entry with the SKIP_WORKTREE bit cleared. + run_on_all mv folder2/a folder2/z && + test_sparse_match test_must_fail git add folder2 && + grep "Disable or modify the sparsity rules" sparse-checkout-err && + test_sparse_unstaged folder2/z && + test_all_match git add --sparse folder2 && + test_all_match git status --porcelain=v2 && + + test_all_match git $OPERATION --continue && + test_all_match git status --porcelain=v2 && + test_all_match git rev-parse HEAD^{tree} || return 1 + done +' + +test_expect_success 'merge with outside renames' ' + init_repos && + + for type in out-to-out out-to-in in-to-out + do + test_all_match git reset --hard && + test_all_match git checkout -f -b merge-$type update-deep && + test_all_match git merge -m "$type" rename-$type && + test_all_match git rev-parse HEAD^{tree} || return 1 + done +' + +# Sparse-index fails to convert the index in the +# final 'git cherry-pick' command. +test_expect_success 'cherry-pick with conflicts' ' + init_repos && + + write_script edit-conflict <<-\EOF && + echo $1 >conflict + EOF + + test_all_match git checkout -b to-cherry-pick && + run_on_all ../edit-conflict ABC && + test_all_match git add conflict && + test_all_match git commit -m "conflict to pick" && + + test_all_match git checkout -B base HEAD~1 && + run_on_all ../edit-conflict DEF && + test_all_match git add conflict && + test_all_match git commit -m "conflict in base" && + + test_all_match test_must_fail git cherry-pick to-cherry-pick +' + +test_expect_success 'clean' ' + init_repos && + + echo bogus >>.gitignore && + run_on_all cp ../.gitignore . && + test_all_match git add .gitignore && + test_all_match git commit -m "ignore bogus files" && + + run_on_sparse mkdir folder1 && + run_on_all touch folder1/bogus && + + test_all_match git status --porcelain=v2 && + test_all_match git clean -f && + test_all_match git status --porcelain=v2 && + test_sparse_match ls && + test_sparse_match ls folder1 && + + test_all_match git clean -xf && + test_all_match git status --porcelain=v2 && + test_sparse_match ls && + test_sparse_match ls folder1 && + + test_all_match git clean -xdf && + test_all_match git status --porcelain=v2 && + test_sparse_match ls && + test_sparse_match ls folder1 && + + test_sparse_match test_path_is_dir folder1 +' + +test_expect_success 'submodule handling' ' + init_repos && + + test_sparse_match git sparse-checkout add modules && + test_all_match mkdir modules && + test_all_match touch modules/a && + test_all_match git add modules && + test_all_match git commit -m "add modules directory" && + + run_on_all git submodule add "$(pwd)/initial-repo" modules/sub && + test_all_match git commit -m "add submodule" && + + # having a submodule prevents "modules" from collapse + test_sparse_match git sparse-checkout set deep/deeper1 && + test-tool -C sparse-index read-cache --table >cache && + grep "100644 blob .* modules/a" cache && + grep "160000 commit $(git -C initial-repo rev-parse HEAD) modules/sub" cache +' + +# When working with a sparse index, some commands will need to expand the +# index to operate properly. If those commands also write the index back +# to disk, they need to convert the index to sparse before writing. +# This test verifies that both of these events are logged in trace2 logs. +test_expect_success 'sparse-index is expanded and converted back' ' + init_repos && + + GIT_TRACE2_EVENT="$(pwd)/trace2.txt" \ + git -C sparse-index reset -- folder1/a && + test_region index convert_to_sparse trace2.txt && + test_region index ensure_full_index trace2.txt +' + +test_expect_success 'index.sparse disabled inline uses full index' ' + init_repos && + + # When index.sparse is disabled inline with `git status`, the + # index is expanded at the beginning of the execution then never + # converted back to sparse. It is then written to disk as a full index. + rm -f trace2.txt && + GIT_TRACE2_EVENT="$(pwd)/trace2.txt" GIT_TRACE2_EVENT_NESTING=10 \ + git -C sparse-index -c index.sparse=false status && + ! test_region index convert_to_sparse trace2.txt && + test_region index ensure_full_index trace2.txt && + + # Since index.sparse is set to true at a repo level, the index + # is converted from full to sparse when read, then never expanded + # over the course of `git status`. It is written to disk as a sparse + # index. + rm -f trace2.txt && + GIT_TRACE2_EVENT="$(pwd)/trace2.txt" GIT_TRACE2_EVENT_NESTING=10 \ + git -C sparse-index status && + test_region index convert_to_sparse trace2.txt && + ! test_region index ensure_full_index trace2.txt && + + # Now that the index has been written to disk as sparse, it is not + # converted to sparse (or expanded to full) when read by `git status`. + rm -f trace2.txt && + GIT_TRACE2_EVENT="$(pwd)/trace2.txt" GIT_TRACE2_EVENT_NESTING=10 \ + git -C sparse-index status && + ! test_region index convert_to_sparse trace2.txt && + ! test_region index ensure_full_index trace2.txt +' + +ensure_not_expanded () { + rm -f trace2.txt && + echo >>sparse-index/untracked.txt && + + if test "$1" = "!" + then + shift && + test_must_fail env \ + GIT_TRACE2_EVENT="$(pwd)/trace2.txt" \ + git -C sparse-index "$@" || return 1 + else + GIT_TRACE2_EVENT="$(pwd)/trace2.txt" \ + git -C sparse-index "$@" || return 1 + fi && + test_region ! index ensure_full_index trace2.txt +} + +test_expect_success 'sparse-index is not expanded' ' + init_repos && + + ensure_not_expanded status && + ensure_not_expanded commit --allow-empty -m empty && + echo >>sparse-index/a && + ensure_not_expanded commit -a -m a && + echo >>sparse-index/a && + ensure_not_expanded commit --include a -m a && + echo >>sparse-index/deep/deeper1/a && + ensure_not_expanded commit --include deep/deeper1/a -m deeper && + ensure_not_expanded checkout rename-out-to-out && + ensure_not_expanded checkout - && + ensure_not_expanded switch rename-out-to-out && + ensure_not_expanded switch - && + ensure_not_expanded reset --hard && + ensure_not_expanded checkout rename-out-to-out -- deep/deeper1 && + ensure_not_expanded reset --hard && + ensure_not_expanded restore -s rename-out-to-out -- deep/deeper1 && + + echo >>sparse-index/README.md && + ensure_not_expanded add -A && + echo >>sparse-index/extra.txt && + ensure_not_expanded add extra.txt && + echo >>sparse-index/untracked.txt && + ensure_not_expanded add . && + + for ref in update-deep update-folder1 update-folder2 update-deep + do + echo >>sparse-index/README.md && + ensure_not_expanded reset --hard $ref || return 1 + done && + + ensure_not_expanded reset --mixed base && + ensure_not_expanded reset --hard update-deep && + ensure_not_expanded reset --keep base && + ensure_not_expanded reset --merge update-deep && + ensure_not_expanded reset --hard && + + ensure_not_expanded reset base -- deep/a && + ensure_not_expanded reset base -- nonexistent-file && + ensure_not_expanded reset deepest -- deep && + + # Although folder1 is outside the sparse definition, it exists as a + # directory entry in the index, so the pathspec will not force the + # index to be expanded. + ensure_not_expanded reset deepest -- folder1 && + ensure_not_expanded reset deepest -- folder1/ && + + # Wildcard identifies only in-cone files, no index expansion + ensure_not_expanded reset deepest -- deep/\* && + + # Wildcard identifies only full sparse directories, no index expansion + ensure_not_expanded reset deepest -- folder\* && + + ensure_not_expanded checkout -f update-deep && + test_config -C sparse-index pull.twohead ort && + ( + sane_unset GIT_TEST_MERGE_ALGORITHM && + for OPERATION in "merge -m merge" cherry-pick rebase + do + ensure_not_expanded merge -m merge update-folder1 && + ensure_not_expanded merge -m merge update-folder2 || return 1 + done + ) +' + +test_expect_success 'sparse-index is not expanded: merge conflict in cone' ' + init_repos && + + for side in right left + do + git -C sparse-index checkout -b expand-$side base && + echo $side >sparse-index/deep/a && + git -C sparse-index commit -a -m "$side" || return 1 + done && + + ( + sane_unset GIT_TEST_MERGE_ALGORITHM && + git -C sparse-index config pull.twohead ort && + ensure_not_expanded ! merge -m merged expand-right + ) +' + +# NEEDSWORK: a sparse-checkout behaves differently from a full checkout +# in this scenario, but it shouldn't. +test_expect_success 'reset mixed and checkout orphan' ' + init_repos && + + test_all_match git checkout rename-out-to-in && + + # Sparse checkouts do not agree with full checkouts about + # how to report a directory/file conflict during a reset. + # This command would fail with test_all_match because the + # full checkout reports "T folder1/0/1" while a sparse + # checkout reports "D folder1/0/1". This matches because + # the sparse checkouts skip "adding" the other side of + # the conflict. + test_sparse_match git reset --mixed HEAD~1 && + test_sparse_match test-tool read-cache --table --expand && + test_sparse_match git status --porcelain=v2 && + + # At this point, sparse-checkouts behave differently + # from the full-checkout. + test_sparse_match git checkout --orphan new-branch && + test_sparse_match test-tool read-cache --table --expand && + test_sparse_match git status --porcelain=v2 +' + +test_expect_success 'add everything with deep new file' ' + init_repos && + + run_on_sparse git sparse-checkout set deep/deeper1/deepest && + + run_on_all touch deep/deeper1/x && + test_all_match git add . && + test_all_match git status --porcelain=v2 +' + +# NEEDSWORK: 'git checkout' behaves incorrectly in the case of +# directory/file conflicts, even without sparse-checkout. Use this +# test only as a documentation of the incorrect behavior, not a +# measure of how it _should_ behave. +test_expect_success 'checkout behaves oddly with df-conflict-1' ' + init_repos && + + test_sparse_match git sparse-checkout disable && + + write_script edit-content <<-\EOF && + echo content >>folder1/larger-content + git add folder1 + EOF + + run_on_all ../edit-content && + test_all_match git status --porcelain=v2 && + + git -C sparse-checkout sparse-checkout init --cone && + git -C sparse-index sparse-checkout init --cone --sparse-index && + + test_all_match git status --porcelain=v2 && + + # This checkout command should fail, because we have a staged + # change to folder1/larger-content, but the destination changes + # folder1 to a file. + git -C full-checkout checkout df-conflict-1 \ + 1>full-checkout-out \ + 2>full-checkout-err && + git -C sparse-checkout checkout df-conflict-1 \ + 1>sparse-checkout-out \ + 2>sparse-checkout-err && + git -C sparse-index checkout df-conflict-1 \ + 1>sparse-index-out \ + 2>sparse-index-err && + + # Instead, the checkout deletes the folder1 file and adds the + # folder1/larger-content file, leaving all other paths that were + # in folder1/ as deleted (without any warning). + cat >expect <<-EOF && + D folder1 + A folder1/larger-content + EOF + test_cmp expect full-checkout-out && + test_cmp expect sparse-checkout-out && + + # The sparse-index reports no output + test_must_be_empty sparse-index-out && + + # stderr: Switched to branch df-conflict-1 + test_cmp full-checkout-err sparse-checkout-err && + test_cmp full-checkout-err sparse-checkout-err +' + +# NEEDSWORK: 'git checkout' behaves incorrectly in the case of +# directory/file conflicts, even without sparse-checkout. Use this +# test only as a documentation of the incorrect behavior, not a +# measure of how it _should_ behave. +test_expect_success 'checkout behaves oddly with df-conflict-2' ' + init_repos && + + test_sparse_match git sparse-checkout disable && + + write_script edit-content <<-\EOF && + echo content >>folder2/larger-content + git add folder2 + EOF + + run_on_all ../edit-content && + test_all_match git status --porcelain=v2 && + + git -C sparse-checkout sparse-checkout init --cone && + git -C sparse-index sparse-checkout init --cone --sparse-index && + + test_all_match git status --porcelain=v2 && + + # This checkout command should fail, because we have a staged + # change to folder1/larger-content, but the destination changes + # folder1 to a file. + git -C full-checkout checkout df-conflict-2 \ + 1>full-checkout-out \ + 2>full-checkout-err && + git -C sparse-checkout checkout df-conflict-2 \ + 1>sparse-checkout-out \ + 2>sparse-checkout-err && + git -C sparse-index checkout df-conflict-2 \ + 1>sparse-index-out \ + 2>sparse-index-err && + + # The full checkout deviates from the df-conflict-1 case here! + # It drops the change to folder1/larger-content and leaves the + # folder1 path as-is on disk. The sparse-index behaves the same. + test_must_be_empty full-checkout-out && + test_must_be_empty sparse-index-out && + + # In the sparse-checkout case, the checkout deletes the folder1 + # file and adds the folder1/larger-content file, leaving all other + # paths that were in folder1/ as deleted (without any warning). + cat >expect <<-EOF && + D folder2 + A folder2/larger-content + EOF + test_cmp expect sparse-checkout-out && + + # Switched to branch df-conflict-1 + test_cmp full-checkout-err sparse-checkout-err && + test_cmp full-checkout-err sparse-index-err +' + +test_done |