test_expect_success_multi '--stdin with empty STDIN' '' '
test_check_ignore "--stdin" 1 </dev/null &&
- if test -n "$quiet_opt"; then
- test_stderr ""
- else
- test_stderr "no pathspec given."
- fi
+ test_stderr ""
'
test_expect_success '-q with multiple args' '
'
done
+test_expect_success PIPE 'streaming support for --stdin' '
+ mkfifo in out &&
+ (git check-ignore -n -v --stdin <in >out &) &&
+
+ # We cannot just "echo >in" because check-ignore would get EOF
+ # after echo exited; instead we open the descriptor in our
+ # shell, and then echo to the fd. We make sure to close it at
+ # the end, so that the subprocess does get EOF and dies
+ # properly.
+ #
+ # Similarly, we must keep "out" open so that check-ignore does
+ # not ever get SIGPIPE trying to write to us. Not only would that
+ # produce incorrect results, but then there would be no writer on the
+ # other end of the pipe, and we would potentially block forever trying
+ # to open it.
+ exec 9>in &&
+ exec 8<out &&
+ test_when_finished "exec 9>&-" &&
+ test_when_finished "exec 8<&-" &&
+ echo >&9 one &&
+ read response <&8 &&
+ echo "$response" | grep "^\.gitignore:1:one one" &&
+ echo >&9 two &&
+ read response <&8 &&
+ echo "$response" | grep "^:: two"
+'
test_done