$ git clone -n https://src.fedoraproject.org/rpms/ghc-regex-posix.git /var/lib/mock/f33-build-150035-43259/root/chroot_tmpdir/scmroot/ghc-regex-posix
Cloning into '/var/lib/mock/f33-build-150035-43259/root/chroot_tmpdir/scmroot/ghc-regex-posix'...
$ git reset --hard b7a042e96bd1086db524087333c4be5512582957
HEAD is now at b7a042e - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild