test-dir-iterator: do not assume errno values

diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh
index b6e2fdbc4410f1b8b04586f12bb8806e85a10e8d..7a5833a4b275473be0095140b92a4946cc9a4e09 100755 (executable)
--- a/t/t4014-format-patch.sh
+++ b/t/t4014-format-patch.sh
@@ -36,8 +36,27 @@ test_expect_success setup '
        git checkout master &&
        git diff-tree -p C2 | git apply --index &&
        test_tick &&
-       git commit -m "Master accepts moral equivalent of #2"
+       git commit -m "Master accepts moral equivalent of #2" &&
 
+       git checkout side &&
+       git checkout -b patchid &&
+       for i in 5 6 1 2 3 A 4 B C 7 8 9 10 D E F; do echo "$i"; done >file2 &&
+       for i in 1 2 3 A 4 B C 7 8 9 10 D E F 5 6; do echo "$i"; done >file3 &&
+       for i in 8 9 10; do echo "$i"; done >file &&
+       git add file file2 file3 &&
+       test_tick &&
+       git commit -m "patchid 1" &&
+       for i in 4 A B 7 8 9 10; do echo "$i"; done >file2 &&
+       for i in 8 9 10 5 6; do echo "$i"; done >file3 &&
+       git add file2 file3 &&
+       test_tick &&
+       git commit -m "patchid 2" &&
+       for i in 10 5 6; do echo "$i"; done >file &&
+       git add file &&
+       test_tick &&
+       git commit -m "patchid 3" &&
+
+       git checkout master
 '
 
 test_expect_success "format-patch --ignore-if-in-upstream" '
@@ -1559,7 +1578,7 @@ test_expect_success 'format-patch -o overrides format.outputDirectory' '
 '
 
 test_expect_success 'format-patch --base' '
-       git checkout side &&
+       git checkout patchid &&
        git format-patch --stdout --base=HEAD~3 -1 | tail -n 7 >actual1 &&
        git format-patch --stdout --base=HEAD~3 HEAD~.. | tail -n 7 >actual2 &&
        echo >expected &&
@@ -1568,7 +1587,14 @@ test_expect_success 'format-patch --base' '
        echo "prerequisite-patch-id: $(git show --patch HEAD~1 | git patch-id --stable | awk "{print \$1}")" >>expected &&
        signature >> expected &&
        test_cmp expected actual1 &&
-       test_cmp expected actual2
+       test_cmp expected actual2 &&
+       echo >fail &&
+       echo "base-commit: $(git rev-parse HEAD~3)" >>fail &&
+       echo "prerequisite-patch-id: $(git show --patch HEAD~2 | git patch-id --unstable | awk "{print \$1}")" >>fail &&
+       echo "prerequisite-patch-id: $(git show --patch HEAD~1 | git patch-id --unstable | awk "{print \$1}")" >>fail &&
+       signature >> fail &&
+       ! test_cmp fail actual1 &&
+       ! test_cmp fail actual2
 '
 
 test_expect_success 'format-patch --base errors out when base commit is in revision list' '