$ git clone -n https://src.fedoraproject.org/rpms/ghc-regex-pcre.git /var/lib/mock/f31-build-54784-28055/root/chroot_tmpdir/scmroot/ghc-regex-pcre
Cloning into '/var/lib/mock/f31-build-54784-28055/root/chroot_tmpdir/scmroot/ghc-regex-pcre'...
$ git reset --hard f91153e80f46086e6fa0a4ca60a5984ef1a3099d
HEAD is now at f91153e refresh to cabal-rpm-0.13