revision: implement sparse algorithm

diff --git a/t/t7600-merge.sh b/t/t7600-merge.sh
index 6736d8d13139c946b07165d5bbad6c8d14617cbd..106148254d0ce067e8f5f842faac8fbf1ee90f15 100755 (executable)
--- a/t/t7600-merge.sh
+++ b/t/t7600-merge.sh
@@ -38,7 +38,6 @@ printf '%s\n' '1 X' 2 3 4 5 6 7 8 9 >result.1
 printf '%s\n' '1 X' 2 3 4 '5 X' 6 7 8 9 >result.1-5
 printf '%s\n' '1 X' 2 3 4 '5 X' 6 7 8 '9 X' >result.1-5-9
 printf '%s\n' 1 2 3 4 5 6 7 8 '9 Z' >result.9z
->empty
 
 create_merge_msgs () {
        echo "Merge tag 'c2'" >msg.1-5 &&
@@ -58,8 +57,6 @@ create_merge_msgs () {
                echo &&
                git log --no-merges ^HEAD c2 c3
        } >squash.1-5-9 &&
-       : >msg.nologff &&
-       : >msg.nolognoff &&
        {
                echo "* tag 'c3':" &&
                echo "  commit 3"
@@ -519,7 +516,7 @@ test_expect_success 'tolerate unknown values for merge.ff' '
        test_tick &&
        git merge c1 2>message &&
        verify_head "$c1" &&
-       test_cmp empty message
+       test_must_be_empty message
 '
 
 test_expect_success 'combining --squash and --no-ff is refused' '
@@ -551,13 +548,13 @@ test_expect_success 'merge log message' '
        git reset --hard c0 &&
        git merge --no-log c2 &&
        git show -s --pretty=format:%b HEAD >msg.act &&
-       test_cmp msg.nologff msg.act &&
+       test_must_be_empty msg.act &&
 
        git reset --hard c0 &&
        test_config branch.master.mergeoptions "--no-ff" &&
        git merge --no-log c2 &&
        git show -s --pretty=format:%b HEAD >msg.act &&
-       test_cmp msg.nolognoff msg.act &&
+       test_must_be_empty msg.act &&
 
        git merge --log c3 &&
        git show -s --pretty=format:%b HEAD >msg.act &&