t3206-range-diff.sh: cover single-patch case

diff --git a/t/t1512-rev-parse-disambiguation.sh b/t/t1512-rev-parse-disambiguation.sh
index 270146204140bf32a12a9664817d32615cc11752..e4d5b56014822ff760d3eab6d7c798f8d932ca45 100755 (executable)
--- a/t/t1512-rev-parse-disambiguation.sh
+++ b/t/t1512-rev-parse-disambiguation.sh
@@ -22,14 +22,20 @@ one tagged as v1.0.0.  They all have one regular file each.
 
 . ./test-lib.sh
 
+if ! test_have_prereq SHA1
+then
+       skip_all='not using SHA-1 for objects'
+       test_done
+fi
+
 test_expect_success 'blob and tree' '
        test_tick &&
        (
                for i in 0 1 2 3 4 5 6 7 8 9
                do
                        echo $i
-               done
-               echo
+               done &&
+               echo &&
                echo b1rwzyc3
        ) >a0blgqsjc &&
 
@@ -216,7 +222,7 @@ test_expect_success 'more history' '
 
        test_might_fail git rm -f a0blgqsjc &&
        (
-               git cat-file blob $side:f5518nwu
+               git cat-file blob $side:f5518nwu &&
                echo j3l0i9s6
        ) >ab2gs879 &&
        git add ab2gs879 &&