t7610-mergetool: add test cases for mergetool.writeToTemp

Add tests to ensure that filenames start with "./" when
mergetool.writeToTemp is false and do not start with "./" when
mergetool.writeToTemp is true.

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 2834ded84d83d308a65e5e6a51d2e4703b213a5d..4fec633f8afcfd072fb0f62574f1c4b6ff81fbf6 100755 (executable)
--- a/t/t7610-mergetool.sh
+++ b/t/t7610-mergetool.sh
@@ -514,4 +514,27 @@ test_expect_success 'custom commands override built-ins' '
        git reset --hard master >/dev/null 2>&1
 '
 
+test_expect_success 'filenames seen by tools start with ./' '
+       git checkout -b test15 branch1 &&
+       test_config mergetool.writeToTemp false &&
+       test_config mergetool.myecho.cmd "echo \"\$LOCAL\"" &&
+       test_config mergetool.myecho.trustExitCode true &&
+       test_must_fail git merge master &&
+       git mergetool --no-prompt --tool myecho -- both >actual &&
+       grep ^\./both_LOCAL_ actual >/dev/null &&
+       git reset --hard master >/dev/null 2>&1
+'
+
+test_expect_success 'temporary filenames are used with mergetool.writeToTemp' '
+       git checkout -b test16 branch1 &&
+       test_config mergetool.writeToTemp true &&
+       test_config mergetool.myecho.cmd "echo \"\$LOCAL\"" &&
+       test_config mergetool.myecho.trustExitCode true &&
+       test_must_fail git merge master &&
+       git mergetool --no-prompt --tool myecho -- both >actual &&
+       test_must_fail grep ^\./both_LOCAL_ actual >/dev/null &&
+       grep /both_LOCAL_ actual >/dev/null &&
+       git reset --hard master >/dev/null 2>&1
+'
+
 test_done