Merge branch 'maint'

diff --git a/t/test-lib.sh b/t/test-lib.sh
index 7422bba47e75e00073779e4b2d7a162862cdb426..454880ac7d281d901156136900814dee9aae46c5 100644 (file)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -473,6 +473,9 @@ test_external () {
                # Announce the script to reduce confusion about the
                # test output that follows.
                say_color "" " run $test_count: $descr ($*)"
+               # Export TEST_DIRECTORY, TRASH_DIRECTORY and GIT_TEST_LONG
+               # to be able to use them in script
+               export TEST_DIRECTORY TRASH_DIRECTORY GIT_TEST_LONG
                # Run command; redirect its stderr to &4 as in
                # test_run_, but keep its stdout on our stdout even in
                # non-verbose mode.
@@ -530,6 +533,22 @@ test_must_fail () {
        test $? -gt 0 -a $? -le 129 -o $? -gt 192
 }
 
+# Similar to test_must_fail, but tolerates success, too.  This is
+# meant to be used in contexts like:
+#
+#      test_expect_success 'some command works without configuration' '
+#              test_might_fail git config --unset all.configuration &&
+#              do something
+#      '
+#
+# Writing "git config --unset all.configuration || :" would be wrong,
+# because we want to notice if it fails due to segv.
+
+test_might_fail () {
+       "$@"
+       test $? -ge 0 -a $? -le 129 -o $? -gt 192
+}
+
 # test_cmp is a helper function to compare actual and expected output.
 # You can use it like:
 #