test_description='add -i basic tests'
. ./test-lib.sh
+if ! test_have_prereq PERL; then
+ say 'skipping git add -i tests, perl not available'
+ test_done
+fi
+
test_expect_success 'setup (initial)' '
echo content >file &&
git add file &&
grep "unchanged *+3/-0 file" output
'
+cat >expected <<EOF
+EOF
+cat >fake_editor.sh <<EOF
+EOF
+chmod a+x fake_editor.sh
+test_set_editor "$(pwd)/fake_editor.sh"
+test_expect_success 'dummy edit works' '
+ (echo e; echo a) | git add -p &&
+ git diff > diff &&
+ test_cmp expected diff
+'
+
+cat >patch <<EOF
+@@ -1,1 +1,4 @@
+ this
++patch
+-doesn't
+ apply
+EOF
+echo "#!$SHELL_PATH" >fake_editor.sh
+cat >>fake_editor.sh <<\EOF
+mv -f "$1" oldpatch &&
+mv -f patch "$1"
+EOF
+chmod a+x fake_editor.sh
+test_set_editor "$(pwd)/fake_editor.sh"
+test_expect_success 'bad edit rejected' '
+ git reset &&
+ (echo e; echo n; echo d) | git add -p >output &&
+ grep "hunk does not apply" output
+'
+
+cat >patch <<EOF
+this patch
+is garbage
+EOF
+test_expect_success 'garbage edit rejected' '
+ git reset &&
+ (echo e; echo n; echo d) | git add -p >output &&
+ grep "hunk does not apply" output
+'
+
+cat >patch <<EOF
+@@ -1,0 +1,0 @@
+ baseline
++content
++newcontent
++lines
+EOF
+cat >expected <<EOF
+diff --git a/file b/file
+index b5dd6c9..f910ae9 100644
+--- a/file
++++ b/file
+@@ -1,4 +1,4 @@
+ baseline
+ content
+-newcontent
++more
+ lines
+EOF
+test_expect_success 'real edit works' '
+ (echo e; echo n; echo d) | git add -p &&
+ git diff >output &&
+ test_cmp expected output
+'
+
+if test "$(git config --bool core.filemode)" = false
+then
+ say 'skipping filemode tests (filesystem does not properly support modes)'
+else
+ test_set_prereq FILEMODE
+fi
+
+test_expect_success FILEMODE 'patch does not affect mode' '
+ git reset --hard &&
+ echo content >>file &&
+ chmod +x file &&
+ printf "n\\ny\\n" | git add -p &&
+ git show :file | grep content &&
+ git diff file | grep "new mode"
+'
+
+test_expect_success FILEMODE 'stage mode but not hunk' '
+ git reset --hard &&
+ echo content >>file &&
+ chmod +x file &&
+ printf "y\\nn\\n" | git add -p &&
+ git diff --cached file | grep "new mode" &&
+ git diff file | grep "+content"
+'
+
+# end of tests disabled when filemode is not usable
+
+test_expect_success 'setup again' '
+ git reset --hard &&
+ test_chmod +x file &&
+ echo content >>file
+'
+
+# Write the patch file with a new line at the top and bottom
+cat >patch <<EOF
+index 180b47c..b6f2c08 100644
+--- a/file
++++ b/file
+@@ -1,2 +1,4 @@
++firstline
+ baseline
+ content
++lastline
+EOF
+# Expected output, similar to the patch but w/ diff at the top
+cat >expected <<EOF
+diff --git a/file b/file
+index b6f2c08..61b9053 100755
+--- a/file
++++ b/file
+@@ -1,2 +1,4 @@
++firstline
+ baseline
+ content
++lastline
+EOF
+# Test splitting the first patch, then adding both
+test_expect_success 'add first line works' '
+ git commit -am "clear local changes" &&
+ git apply patch &&
+ (echo s; echo y; echo y) | git add -p file &&
+ git diff --cached > diff &&
+ test_cmp expected diff
+'
+
test_done