$ git clone -n https://src.fedoraproject.org/rpms/ghc-xml.git /var/lib/mock/f31-build-95039-32530/root/chroot_tmpdir/scmroot/ghc-xml
Cloning into '/var/lib/mock/f31-build-95039-32530/root/chroot_tmpdir/scmroot/ghc-xml'...
$ git reset --hard 1bc456f4a9bb8ebfefba5321da1531565af3f1dd
HEAD is now at 1bc456f BR prof for lib and static for executable