$ git clone -n https://src.fedoraproject.org/rpms/python-pygmtools.git /var/lib/mock/f39-build-1766712-41501/root/chroot_tmpdir/scmroot/python-pygmtools
Cloning into '/var/lib/mock/f39-build-1766712-41501/root/chroot_tmpdir/scmroot/python-pygmtools'...
$ git fetch origin a760e655f36b5e6b52488551cffb14c2427bc502:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pygmtools
 * [new ref]         a760e655f36b5e6b52488551cffb14c2427bc502 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a760e65 Initial import BZ 2219377