[RFC PATCH 3/7] t3705: add tests for `git add` in sparse checkouts

From

Matheus Tavares <matheus.bernardino@usp.br>

Date

Feb 17, 2021, 21:02 UTC

Message-ID

<6e30f133e234ff1d3a29f36423cd3fdca58d8095.1613593946.git.matheus.bernardino@usp.br>

In-Reply-To

<cover.1613593946.git.matheus.bernardino@usp.br>

Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br>
---
 t/t3705-add-sparse-checkout.sh   | 92 ++++++++++++++++++++++++++++++++
 t/t7012-skip-worktree-writing.sh | 19 -------
 2 files changed, 92 insertions(+), 19 deletions(-)
 create mode 100755 t/t3705-add-sparse-checkout.sh

diff --git a/t/t3705-add-sparse-checkout.sh b/t/t3705-add-sparse-checkout.sh
new file mode 100755
index 0000000000..5530e796b5
--- /dev/null
+++ b/t/t3705-add-sparse-checkout.sh
@@ -0,0 +1,92 @@
+#!/bin/sh
+
+test_description='git add in sparse checked out working trees'
+
+. ./test-lib.sh
+
+SPARSE_ENTRY_BLOB=""
+
+# Optionally take a string for the entry's contents
+setup_sparse_entry()
+{
+	if test -f sparse_entry
+	then
+		rm sparse_entry
+	fi &&
+	git update-index --force-remove sparse_entry &&
+
+	if test "$#" -eq 1
+	then
+		printf "$1" >sparse_entry
+	else
+		printf "" >sparse_entry
+	fi &&
+	git add sparse_entry &&
+	git update-index --skip-worktree sparse_entry &&
+	SPARSE_ENTRY_BLOB=$(git rev-parse :sparse_entry)
+}
+
+test_sparse_entry_unchanged() {
+	echo "100644 $SPARSE_ENTRY_BLOB 0	sparse_entry" >expected &&
+	git ls-files --stage sparse_entry >actual &&
+	test_cmp expected actual
+}
+
+test_expect_success "git add does not remove SKIP_WORKTREE entries" '
+	setup_sparse_entry &&
+	rm sparse_entry &&
+	git add sparse_entry &&
+	test_sparse_entry_unchanged
+'
+
+test_expect_success "git add -A does not remove SKIP_WORKTREE entries" '
+	setup_sparse_entry &&
+	rm sparse_entry &&
+	git add -A &&
+	test_sparse_entry_unchanged
+'
+
+for opt in "" -f -u --ignore-removal
+do
+	if test -n "$opt"
+	then
+		opt=" $opt"
+	fi
+
+	test_expect_success "git add$opt does not update SKIP_WORKTREE entries" '
+		setup_sparse_entry &&
+		echo modified >sparse_entry &&
+		git add $opt sparse_entry &&
+		test_sparse_entry_unchanged
+	'
+done
+
+test_expect_success 'git add --refresh does not update SKIP_WORKTREE entries' '
+	setup_sparse_entry &&
+	test-tool chmtime -60 sparse_entry &&
+	git add --refresh sparse_entry &&
+
+	# We must unset the SKIP_WORKTREE bit, otherwise
+	# git diff-files would skip examining the file
+	git update-index --no-skip-worktree sparse_entry &&
+
+	echo sparse_entry >expected &&
+	git diff-files --name-only sparse_entry >actual &&
+	test_cmp actual expected
+'
+
+test_expect_failure 'git add --chmod does not update SKIP_WORKTREE entries' '
+	setup_sparse_entry &&
+	git add --chmod=+x sparse_entry &&
+	test_sparse_entry_unchanged
+'
+
+test_expect_failure 'git add --renormalize does not update SKIP_WORKTREE entries' '
+	test_config core.autocrlf false &&
+	setup_sparse_entry "LINEONE\r\nLINETWO\r\n" &&
+	echo "sparse_entry text=auto" >.gitattributes &&
+	git add --renormalize sparse_entry &&
+	test_sparse_entry_unchanged
+'
+
+test_done
diff --git a/t/t7012-skip-worktree-writing.sh b/t/t7012-skip-worktree-writing.sh
index e5c6a038fb..217207c1ce 100755
--- a/t/t7012-skip-worktree-writing.sh
+++ b/t/t7012-skip-worktree-writing.sh
@@ -60,13 +60,6 @@ setup_absent() {
 	git update-index --skip-worktree 1
 }
 
-test_absent() {
-	echo "100644 $EMPTY_BLOB 0	1" > expected &&
-	git ls-files --stage 1 > result &&
-	test_cmp expected result &&
-	test ! -f 1
-}
-
 setup_dirty() {
 	git update-index --force-remove 1 &&
 	echo dirty > 1 &&
@@ -100,18 +93,6 @@ test_expect_success 'index setup' '
 	test_cmp expected result
 '
 
-test_expect_success 'git-add ignores worktree content' '
-	setup_absent &&
-	git add 1 &&
-	test_absent
-'
-
-test_expect_success 'git-add ignores worktree content' '
-	setup_dirty &&
-	git add 1 &&
-	test_dirty
-'
-
 test_expect_success 'git-rm fails if worktree is dirty' '
 	setup_dirty &&
 	test_must_fail git rm 1 &&

-- 
2.29.2