t7610-mergetool: use test_config to isolate tests

Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t7610-mergetool.sh b/t/t7610-mergetool.sh
index 214edfbcfc9836ecb87b22d57288c05ee3701b7e..2834ded84d83d308a65e5e6a51d2e4703b213a5d 100755 (executable)
--- a/t/t7610-mergetool.sh
+++ b/t/t7610-mergetool.sh
@@ -112,7 +112,7 @@ test_expect_success 'custom mergetool' '
 '
 
 test_expect_success 'mergetool crlf' '
-       git config core.autocrlf true &&
+       test_config core.autocrlf true &&
        git checkout -b test2 branch1 &&
        test_must_fail git merge master >/dev/null 2>&1 &&
        ( yes "" | git mergetool file1 >/dev/null 2>&1 ) &&
@@ -505,14 +505,12 @@ test_expect_success 'file with no base' '
 
 test_expect_success 'custom commands override built-ins' '
        git checkout -b test14 branch1 &&
-       git config mergetool.defaults.cmd "cat \"\$REMOTE\" >\"\$MERGED\"" &&
-       git config mergetool.defaults.trustExitCode true &&
+       test_config mergetool.defaults.cmd "cat \"\$REMOTE\" >\"\$MERGED\"" &&
+       test_config mergetool.defaults.trustExitCode true &&
        test_must_fail git merge master &&
        git mergetool --no-prompt --tool defaults -- both &&
        echo master both added >expected &&
        test_cmp both expected &&
-       git config --unset mergetool.defaults.cmd &&
-       git config --unset mergetool.defaults.trustExitCode &&
        git reset --hard master >/dev/null 2>&1
 '