check-ignore: allow incremental streaming of queries via --stdin

diff --git a/t/t0008-ignores.sh b/t/t0008-ignores.sh
index 7af93ba928ece85265509537b521764827194955..fbf12ae4e2fc3f8e864af0dcdc026ac82782f11f 100755 (executable)
--- a/t/t0008-ignores.sh
+++ b/t/t0008-ignores.sh
@@ -216,11 +216,7 @@ test_expect_success_multi 'empty command line' '' '
 
 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' '
@@ -692,5 +688,27 @@ do
        '
 done
 
+test_expect_success 'setup: have stdbuf?' '
+       if which stdbuf >/dev/null 2>&1
+       then
+               test_set_prereq STDBUF
+       fi
+'
+
+test_expect_success STDBUF 'streaming support for --stdin' '
+       (
+               echo one
+               sleep 2
+               echo two
+       ) | stdbuf -oL git check-ignore -v -n --stdin >out &
+       pid=$! &&
+       sleep 1 &&
+       grep "^\.gitignore:1:one        one" out &&
+       test $( wc -l <out ) = 1 &&
+       sleep 2 &&
+       grep "^::       two" out &&
+       test $( wc -l <out ) = 2 &&
+       ( wait $pid || kill $pid || : ) 2>/dev/null
+'
 
 test_done