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-rwxr-xr-xt/t1011-read-tree-sparse-checkout.sh306
1 files changed, 306 insertions, 0 deletions
diff --git a/t/t1011-read-tree-sparse-checkout.sh b/t/t1011-read-tree-sparse-checkout.sh
new file mode 100755
index 0000000..742f0fa
--- /dev/null
+++ b/t/t1011-read-tree-sparse-checkout.sh
@@ -0,0 +1,306 @@
+#!/bin/sh
+
+test_description='sparse checkout tests
+
+* (tag: removed, main) removed
+| D sub/added
+* (HEAD, tag: top) modified and added
+| M init.t
+| A sub/added
+* (tag: init) init
+ A init.t
+'
+
+TEST_CREATE_REPO_NO_TEMPLATE=1
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-read-tree.sh
+
+test_expect_success 'setup' '
+ test_commit init &&
+ echo modified >>init.t &&
+
+ cat >expected <<-EOF &&
+ 100644 $(git hash-object init.t) 0 init.t
+ 100644 $EMPTY_BLOB 0 sub/added
+ 100644 $EMPTY_BLOB 0 sub/addedtoo
+ 100644 $EMPTY_BLOB 0 subsub/added
+ EOF
+ cat >expected.swt <<-\EOF &&
+ H init.t
+ H sub/added
+ H sub/addedtoo
+ H subsub/added
+ EOF
+
+ mkdir sub subsub &&
+ touch sub/added sub/addedtoo subsub/added &&
+ git add init.t sub/added sub/addedtoo subsub/added &&
+ git commit -m "modified and added" &&
+ git tag top &&
+ git rm sub/added &&
+ git commit -m removed &&
+ git tag removed &&
+ git checkout top &&
+ git ls-files --stage >result &&
+ test_cmp expected result
+'
+
+test_expect_success 'read-tree without .git/info/sparse-checkout' '
+ read_tree_u_must_succeed -m -u HEAD &&
+ git ls-files --stage >result &&
+ test_cmp expected result &&
+ git ls-files -t >result &&
+ test_cmp expected.swt result
+'
+
+test_expect_success 'read-tree with .git/info/sparse-checkout but disabled' '
+ mkdir .git/info &&
+ echo >.git/info/sparse-checkout &&
+ read_tree_u_must_succeed -m -u HEAD &&
+ git ls-files -t >result &&
+ test_cmp expected.swt result &&
+ test_path_is_file init.t &&
+ test_path_is_file sub/added
+'
+
+test_expect_success 'read-tree --no-sparse-checkout with empty .git/info/sparse-checkout and enabled' '
+ git config core.sparsecheckout true &&
+ echo >.git/info/sparse-checkout &&
+ read_tree_u_must_succeed --no-sparse-checkout -m -u HEAD &&
+ git ls-files -t >result &&
+ test_cmp expected.swt result &&
+ test_path_is_file init.t &&
+ test_path_is_file sub/added
+'
+
+test_expect_success 'read-tree with empty .git/info/sparse-checkout' '
+ git config core.sparsecheckout true &&
+ echo >.git/info/sparse-checkout &&
+ read_tree_u_must_succeed -m -u HEAD &&
+ git ls-files --stage >result &&
+ test_cmp expected result &&
+ git ls-files -t >result &&
+ cat >expected.swt <<-\EOF &&
+ S init.t
+ S sub/added
+ S sub/addedtoo
+ S subsub/added
+ EOF
+ test_cmp expected.swt result &&
+ test_path_is_missing init.t &&
+ test_path_is_missing sub/added
+'
+
+test_expect_success 'match directories with trailing slash' '
+ cat >expected.swt-noinit <<-\EOF &&
+ S init.t
+ H sub/added
+ H sub/addedtoo
+ S subsub/added
+ EOF
+
+ echo sub/ > .git/info/sparse-checkout &&
+ read_tree_u_must_succeed -m -u HEAD &&
+ git ls-files -t > result &&
+ test_cmp expected.swt-noinit result &&
+ test_path_is_missing init.t &&
+ test_path_is_file sub/added
+'
+
+test_expect_success 'match directories without trailing slash' '
+ echo sub >.git/info/sparse-checkout &&
+ read_tree_u_must_succeed -m -u HEAD &&
+ git ls-files -t >result &&
+ test_cmp expected.swt-noinit result &&
+ test_path_is_missing init.t &&
+ test_path_is_file sub/added
+'
+
+test_expect_success 'match directories with negated patterns' '
+ cat >expected.swt-negation <<\EOF &&
+S init.t
+S sub/added
+H sub/addedtoo
+S subsub/added
+EOF
+
+ cat >.git/info/sparse-checkout <<\EOF &&
+sub
+!sub/added
+EOF
+ git read-tree -m -u HEAD &&
+ git ls-files -t >result &&
+ test_cmp expected.swt-negation result &&
+ test_path_is_missing init.t &&
+ test_path_is_missing sub/added &&
+ test_path_is_file sub/addedtoo
+'
+
+test_expect_success 'match directories with negated patterns (2)' '
+ cat >expected.swt-negation2 <<\EOF &&
+H init.t
+H sub/added
+S sub/addedtoo
+H subsub/added
+EOF
+
+ cat >.git/info/sparse-checkout <<\EOF &&
+/*
+!sub
+sub/added
+EOF
+ git read-tree -m -u HEAD &&
+ git ls-files -t >result &&
+ test_cmp expected.swt-negation2 result &&
+ test_path_is_file init.t &&
+ test_path_is_file sub/added &&
+ test_path_is_missing sub/addedtoo
+'
+
+test_expect_success 'match directory pattern' '
+ echo "s?b" >.git/info/sparse-checkout &&
+ read_tree_u_must_succeed -m -u HEAD &&
+ git ls-files -t >result &&
+ test_cmp expected.swt-noinit result &&
+ test_path_is_missing init.t &&
+ test_path_is_file sub/added
+'
+
+test_expect_success 'checkout area changes' '
+ cat >expected.swt-nosub <<-\EOF &&
+ H init.t
+ S sub/added
+ S sub/addedtoo
+ S subsub/added
+ EOF
+
+ echo init.t >.git/info/sparse-checkout &&
+ read_tree_u_must_succeed -m -u HEAD &&
+ git ls-files -t >result &&
+ test_cmp expected.swt-nosub result &&
+ test_path_is_file init.t &&
+ test_path_is_missing sub/added
+'
+
+test_expect_success 'read-tree updates worktree, absent case' '
+ echo sub/added >.git/info/sparse-checkout &&
+ git checkout -f top &&
+ read_tree_u_must_succeed -m -u HEAD^ &&
+ test_path_is_missing init.t
+'
+
+test_expect_success 'read-tree will not throw away dirty changes, non-sparse' '
+ echo "/*" >.git/info/sparse-checkout &&
+ read_tree_u_must_succeed -m -u HEAD &&
+
+ echo dirty >init.t &&
+ read_tree_u_must_fail -m -u HEAD^ &&
+ test_path_is_file init.t &&
+ grep -q dirty init.t
+'
+
+test_expect_success 'read-tree will not throw away dirty changes, sparse' '
+ echo "/*" >.git/info/sparse-checkout &&
+ read_tree_u_must_succeed -m -u HEAD &&
+
+ echo dirty >init.t &&
+ echo sub/added >.git/info/sparse-checkout &&
+ read_tree_u_must_fail -m -u HEAD^ &&
+ test_path_is_file init.t &&
+ grep -q dirty init.t
+'
+
+test_expect_success 'read-tree updates worktree, dirty case' '
+ echo sub/added >.git/info/sparse-checkout &&
+ git checkout -f top &&
+ echo dirty >init.t &&
+ read_tree_u_must_fail -m -u HEAD^ &&
+ grep -q dirty init.t &&
+ rm init.t
+'
+
+test_expect_success 'read-tree removes worktree, dirty case' '
+ echo init.t >.git/info/sparse-checkout &&
+ git checkout -f top &&
+ echo dirty >added &&
+ read_tree_u_must_succeed -m -u HEAD^ &&
+ grep -q dirty added
+'
+
+test_expect_success 'read-tree adds to worktree, absent case' '
+ echo init.t >.git/info/sparse-checkout &&
+ git checkout -f removed &&
+ read_tree_u_must_succeed -u -m HEAD^ &&
+ test_path_is_missing sub/added
+'
+
+test_expect_success 'read-tree adds to worktree, dirty case' '
+ echo init.t >.git/info/sparse-checkout &&
+ git checkout -f removed &&
+ mkdir sub &&
+ echo dirty >sub/added &&
+ read_tree_u_must_succeed -u -m HEAD^ &&
+ grep -q dirty sub/added
+'
+
+test_expect_success 'index removal and worktree narrowing at the same time' '
+ echo init.t >.git/info/sparse-checkout &&
+ echo sub/added >>.git/info/sparse-checkout &&
+ git checkout -f top &&
+ echo init.t >.git/info/sparse-checkout &&
+ git checkout removed &&
+ git ls-files sub/added >result &&
+ test_path_is_missing sub/added &&
+ test_must_be_empty result
+'
+
+test_expect_success 'read-tree --reset removes outside worktree' '
+ echo init.t >.git/info/sparse-checkout &&
+ git checkout -f top &&
+ git reset --hard removed &&
+ git ls-files sub/added >result &&
+ test_must_be_empty result
+'
+
+test_expect_success 'print warnings when some worktree updates disabled' '
+ echo sub >.git/info/sparse-checkout &&
+ git checkout -f init &&
+ mkdir sub &&
+ touch sub/added sub/addedtoo &&
+ # Use -q to suppress "Previous HEAD position" and "Head is now at" msgs
+ git checkout -q top 2>actual &&
+ cat >expected <<\EOF &&
+warning: The following paths were already present and thus not updated despite sparse patterns:
+ sub/added
+ sub/addedtoo
+
+After fixing the above paths, you may want to run `git sparse-checkout reapply`.
+EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'checkout without --ignore-skip-worktree-bits' '
+ echo "*" >.git/info/sparse-checkout &&
+ git checkout -f top &&
+ test_path_is_file init.t &&
+ echo sub >.git/info/sparse-checkout &&
+ git checkout &&
+ echo modified >> sub/added &&
+ git checkout . &&
+ test_path_is_missing init.t &&
+ git diff --exit-code HEAD
+'
+
+test_expect_success 'checkout with --ignore-skip-worktree-bits' '
+ echo "*" >.git/info/sparse-checkout &&
+ git checkout -f top &&
+ test_path_is_file init.t &&
+ echo sub >.git/info/sparse-checkout &&
+ git checkout &&
+ echo modified >> sub/added &&
+ git checkout --ignore-skip-worktree-bits . &&
+ test_path_is_file init.t &&
+ git diff --exit-code HEAD
+'
+
+test_done