builtin/commit.c: extract ignore_non_trailer() helper function

diff --git a/t/t0070-fundamental.sh b/t/t0070-fundamental.sh
index da2c504e53e37840f71790d6b262106b7b57d697..5ed69a6f566bf3a7944b41bace4cfbe26d015040 100755 (executable)
--- a/t/t0070-fundamental.sh
+++ b/t/t0070-fundamental.sh
@@ -17,7 +17,7 @@ test_expect_success 'mktemp to nonexistent directory prints filename' '
        grep "doesnotexist/test" err
 '
 
-test_expect_success POSIXPERM 'mktemp to unwritable directory prints filename' '
+test_expect_success POSIXPERM,SANITY 'mktemp to unwritable directory prints filename' '
        mkdir cannotwrite &&
        chmod -w cannotwrite &&
        test_when_finished "chmod +w cannotwrite" &&
@@ -25,6 +25,10 @@ test_expect_success POSIXPERM 'mktemp to unwritable directory prints filename' '
        grep "cannotwrite/test" err
 '
 
+test_expect_success 'git_mkstemps_mode does not fail if fd 0 is not open' '
+       git commit --allow-empty -m message <&-
+'
+
 test_expect_success 'check for a bug in the regex routines' '
        # if this test fails, re-build git with NO_REGEX=1
        test-regex