Merge branch 'pt/t0302-needs-sanity'

diff --git a/t/t0021-conversion.sh b/t/t0021-conversion.sh
index ca7d2a630a8442d8812b444708d6f28f2e45fb32..718efa04d34df1f867a37d7b3073f1463457455b 100755 (executable)
--- a/t/t0021-conversion.sh
+++ b/t/t0021-conversion.sh
@@ -204,6 +204,16 @@ test_expect_success 'filtering large input to small output should use little mem
        GIT_MMAP_LIMIT=1m GIT_ALLOC_LIMIT=1m git add 30MB
 '
 
+test_expect_success 'filter that does not read is fine' '
+       test-genrandom foo $((128 * 1024 + 1)) >big &&
+       echo "big filter=epipe" >.gitattributes &&
+       git config filter.epipe.clean "echo xyzzy" &&
+       git add big &&
+       git cat-file blob :big >actual &&
+       echo xyzzy >expect &&
+       test_cmp expect actual
+'
+
 test_expect_success EXPENSIVE 'filter large file' '
        git config filter.largefile.smudge cat &&
        git config filter.largefile.clean cat &&
@@ -216,4 +226,30 @@ test_expect_success EXPENSIVE 'filter large file' '
        ! test -s err
 '
 
+test_expect_success "filter: clean empty file" '
+       git config filter.in-repo-header.clean  "echo cleaned && cat" &&
+       git config filter.in-repo-header.smudge "sed 1d" &&
+
+       echo "empty-in-worktree    filter=in-repo-header" >>.gitattributes &&
+       >empty-in-worktree &&
+
+       echo cleaned >expected &&
+       git add empty-in-worktree &&
+       git show :empty-in-worktree >actual &&
+       test_cmp expected actual
+'
+
+test_expect_success "filter: smudge empty file" '
+       git config filter.empty-in-repo.clean "cat >/dev/null" &&
+       git config filter.empty-in-repo.smudge "echo smudged && cat" &&
+
+       echo "empty-in-repo filter=empty-in-repo" >>.gitattributes &&
+       echo dead data walking >empty-in-repo &&
+       git add empty-in-repo &&
+
+       echo smudged >expected &&
+       git checkout-index --prefix=filtered- empty-in-repo &&
+       test_cmp expected filtered-empty-in-repo
+'
+
 test_done