$ git clone -n https://src.fedoraproject.org/rpms/ghc-base64-bytestring.git /var/lib/mock/f40-build-741965-110456/root/chroot_tmpdir/scmroot/ghc-base64-bytestring
Cloning into '/var/lib/mock/f40-build-741965-110456/root/chroot_tmpdir/scmroot/ghc-base64-bytestring'...
$ git reset --hard 301f40cd7e919e2074bab7b34cc202459fb3ff39
HEAD is now at 301f40c bump release