$ git clone -n https://src.fedoraproject.org/rpms/calibre.git /var/lib/mock/f33-build-468663-63681/root/chroot_tmpdir/scmroot/calibre
Cloning into '/var/lib/mock/f33-build-468663-63681/root/chroot_tmpdir/scmroot/calibre'...
$ git reset --hard 63f0b3fc05c3ff2cb2580ff3ed6afedb2ebc1da2
HEAD is now at 63f0b3f rebuild (qt5)