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Diffstat (limited to 't/t7008-filter-branch-null-sha1.sh')
-rwxr-xr-x | t/t7008-filter-branch-null-sha1.sh | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/t/t7008-filter-branch-null-sha1.sh b/t/t7008-filter-branch-null-sha1.sh new file mode 100755 index 000000000000..9ba9f24ad2fb --- /dev/null +++ b/t/t7008-filter-branch-null-sha1.sh @@ -0,0 +1,55 @@ +#!/bin/sh + +test_description='filter-branch removal of trees with null sha1' +. ./test-lib.sh + +test_expect_success 'setup: base commits' ' + test_commit one && + test_commit two && + test_commit three +' + +test_expect_success 'setup: a commit with a bogus null sha1 in the tree' ' + { + git ls-tree HEAD && + printf "160000 commit $ZERO_OID\\tbroken\\n" + } >broken-tree && + echo "add broken entry" >msg && + + tree=$(git mktree <broken-tree) && + test_tick && + commit=$(git commit-tree $tree -p HEAD <msg) && + git update-ref HEAD "$commit" +' + +# we have to make one more commit on top removing the broken +# entry, since otherwise our index does not match HEAD (and filter-branch will +# complain). We could make the index match HEAD, but doing so would involve +# writing a null sha1 into the index. +test_expect_success 'setup: bring HEAD and index in sync' ' + test_tick && + git commit -a -m "back to normal" +' + +test_expect_success 'noop filter-branch complains' ' + test_must_fail git filter-branch \ + --force --prune-empty \ + --index-filter "true" +' + +test_expect_success 'filter commands are still checked' ' + test_must_fail git filter-branch \ + --force --prune-empty \ + --index-filter "git rm --cached --ignore-unmatch three.t" +' + +test_expect_success 'removing the broken entry works' ' + echo three >expect && + git filter-branch \ + --force --prune-empty \ + --index-filter "git rm --cached --ignore-unmatch broken" && + git log -1 --format=%s >actual && + test_cmp expect actual +' + +test_done |