#!/bin/sh

setglobal test_description = ''diff --relative tests''
source ./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
'

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

proc check_numstat {
setglobal expect = $1; shift
cat >expected << """
1	0	$expect
"""
test_expect_success "--numstat $ifsjoin(Argv)" "
	echo '1	0	$expect' >expected &&
	git diff --numstat $ifsjoin(Argv) HEAD^ >actual &&
	test_cmp expected actual
"
}

proc check_stat {
setglobal expect = $1; shift
cat >expected << """
 $expect | 1 +
 1 file changed, 1 insertion(+)
"""
test_expect_success "--stat $ifsjoin(Argv)" "
	git diff --stat $ifsjoin(Argv) HEAD^ >actual &&
	test_i18ncmp expected actual
"
}

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

for type in [diff numstat stat raw] {
	check_$type file2 --relative=subdir/
	check_$type file2 --relative=subdir
	check_$type dir/file2 --relative=sub
}

test_done