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|
#!/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
|
