rm for-diff
'
+test_expect_success PERL 'difftool ignores exit code' '
+ test_config difftool.error.cmd false &&
+ git difftool -y -t error branch
+'
+
+test_expect_success PERL 'difftool forwards exit code with --trust-exit-code' '
+ test_config difftool.error.cmd false &&
+ test_must_fail git difftool -y --trust-exit-code -t error branch
+'
+
+test_expect_success PERL 'difftool honors difftool.trustExitCode = true' '
+ test_config difftool.error.cmd false &&
+ test_config difftool.trustExitCode true &&
+ test_must_fail git difftool -y -t error branch
+'
+
+test_expect_success PERL 'difftool honors difftool.trustExitCode = false' '
+ test_config difftool.error.cmd false &&
+ test_config difftool.trustExitCode false &&
+ git difftool -y -t error branch
+'
+
+test_expect_success PERL 'difftool ignores exit code with --no-trust-exit-code' '
+ test_config difftool.error.cmd false &&
+ test_config difftool.trustExitCode true &&
+ git difftool -y --no-trust-exit-code -t error branch
+'
+
+test_expect_success PERL 'difftool stops on error with --trust-exit-code' '
+ test_when_finished "rm -f for-diff .git/fail-right-file" &&
+ test_when_finished "git reset -- for-diff" &&
+ write_script .git/fail-right-file <<-\EOF &&
+ echo "$2"
+ exit 1
+ EOF
+ >for-diff &&
+ git add for-diff &&
+ echo file >expect &&
+ test_must_fail git difftool -y --trust-exit-code \
+ --extcmd .git/fail-right-file branch >actual &&
+ test_cmp expect actual
+'
+
test_expect_success PERL 'difftool honors --gui' '
difftool_test_setup &&
test_config merge.tool bogus-tool &&
! grep br2 output
'
+test_expect_success PERL 'ending prompt input with EOF' '
+ git difftool -x cat branch </dev/null >output &&
+ ! grep master output &&
+ ! grep branch output &&
+ ! grep m2 output &&
+ ! grep br2 output
+'
+
test_expect_success PERL 'difftool --tool-help' '
git difftool --tool-help >output &&
grep tool output