tests: grep portability fixes

diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh
index 9eec754221d85856613b01ec878ef4cb492aceb0..1a6b52234d8df70e5ddcb28c0ddde582d8310d43 100755 (executable)
--- a/t/t4013-diff-various.sh
+++ b/t/t4013-diff-various.sh
@@ -99,7 +99,7 @@ do
        test=`echo "$cmd" | sed -e 's|[/ ][/ ]*|_|g'`
        cnt=`expr $test_count + 1`
        pfx=`printf "%04d" $cnt`
-       expect="../t4013/diff.$test"
+       expect="$TEST_DIRECTORY/t4013/diff.$test"
        actual="$pfx-diff.$test"
 
        test_expect_success "git $cmd" '
@@ -112,7 +112,7 @@ do
                } >"$actual" &&
                if test -f "$expect"
                then
-                       git diff "$expect" "$actual" &&
+                       test_cmp "$expect" "$actual" &&
                        rm -f "$actual"
                else
                        # this is to help developing new tests.
@@ -245,6 +245,7 @@ format-patch --inline --stdout initial..master
 format-patch --inline --stdout --subject-prefix=TESTCASE initial..master
 config format.subjectprefix DIFFERENT_PREFIX
 format-patch --inline --stdout initial..master^^
+format-patch --stdout --cover-letter -n initial..master^
 
 diff --abbrev initial..side
 diff -r initial..side
@@ -256,6 +257,7 @@ diff --patch-with-raw initial..side
 diff --patch-with-stat -r initial..side
 diff --patch-with-raw -r initial..side
 diff --name-status dir2 dir
+diff --no-index --name-status dir2 dir
 EOF
 
 test_done