$ git clone -n https://src.fedoraproject.org/rpms/libguestfs.git /var/lib/mock/f31-build-51385-27496/root/chroot_tmpdir/scmroot/libguestfs
Cloning into '/var/lib/mock/f31-build-51385-27496/root/chroot_tmpdir/scmroot/libguestfs'...
$ git reset --hard 35680038b9266eec3be3319d43aed349a4c5c109
HEAD is now at 3568003 Perl 5.30 rebuild