--cacheinfo 100644 $blob "path with \\backslash" \
--cacheinfo 100644 $blob "path with space" &&
git commit -m addition &&
- git ls-files -z -s | "$PERL_PATH" -0pe "s{\\t}{$&subdir/}" >index &&
+ git ls-files -z -s | perl -0pe "s{\\t}{$&subdir/}" >index &&
git read-tree --empty &&
git update-index -z --index-info <index &&
git commit -m rename &&