#!/bin/sh

test_description='diff --relative tests'
. ./test-lib.sh

test_expect_success 'setup' '
        git commit --allow-empty -m empty &&
        echo content >file1 &&
        mkdir subdir &&
        echo other content >subdir/file2 &&
        git add . &&
        git commit -m one
'

check_diff() {
expect=$1; shift
cat >expected <<EOF
diff --git a/$expect b/$expect
new file mode 100644
index 0000000..25c05ef
--- /dev/null
+++ b/$expect
@@ -0,0 +1 @@
+other content
EOF
test_expect_success "-p $*" "
        git diff -p $* HEAD^ >actual &&
        test_cmp expected actual
"
}

check_stat() {
expect=$1; shift
cat >expected <<EOF
 $expect |    1 +
 1 file changed, 1 insertion(+)
EOF
test_expect_success "--stat $*" "
        git diff --stat $* HEAD^ >actual &&
        test_cmp expected actual
"
}

check_raw() {
expect=$1; shift
cat >expected <<EOF
:000000 100644 0000000000000000000000000000000000000000 25c05ef3639d2d270e7fe765a67668f098092bc5 A      $expect
EOF
test_expect_success "--raw $*" "
        git diff --no-abbrev --raw $* HEAD^ >actual &&
        test_cmp expected actual
"
}

for type in diff stat raw; do
        check_$type file2 --relative=subdir/
        check_$type file2 --relative=subdir
        check_$type dir/file2 --relative=sub
done

test_done