userdiff: add a builtin pattern for dts files

diff --git a/t/t2203-add-intent.sh b/t/t2203-add-intent.sh
index e7a400b4c77a822a49365e4049fbe68b059d23ee..5bbe8dcce40160af8ad1d4c5b0d61a404be7552c 100755 (executable)
--- a/t/t2203-add-intent.sh
+++ b/t/t2203-add-intent.sh
@@ -195,8 +195,7 @@ test_expect_success 'rename detection finds the right names' '
                test_cmp expected.4 actual.4 &&
 
                git diff --cached --stat >actual.5 &&
-               : >expected.5 &&
-               test_cmp expected.5 actual.5
+               test_must_be_empty actual.5
 
        )
 '
@@ -241,20 +240,21 @@ test_expect_success 'diff-files/diff-cached shows ita as new/not-new files' '
        echo " create mode 100644 new-ita" >expected &&
        test_cmp expected actual &&
        git diff --cached --summary >actual2 &&
-       : >expected2 &&
-       test_cmp expected2 actual2
+       test_must_be_empty actual2
 '
 
 
 test_expect_success '"diff HEAD" includes ita as new files' '
        git reset --hard &&
        echo new >new-ita &&
+       oid=$(git hash-object new-ita) &&
+       oid=$(git rev-parse --short $oid) &&
        git add -N new-ita &&
        git diff HEAD >actual &&
-       cat >expected <<-\EOF &&
+       cat >expected <<-EOF &&
        diff --git a/new-ita b/new-ita
        new file mode 100644
-       index 0000000..3e75765
+       index 0000000..$oid
        --- /dev/null
        +++ b/new-ita
        @@ -0,0 +1 @@