$ git clone -n https://src.fedoraproject.org/rpms/libgtop2.git /var/lib/mock/f45-build-16279-485/root/chroot_tmpdir/scmroot/libgtop2
Cloning into '/var/lib/mock/f45-build-16279-485/root/chroot_tmpdir/scmroot/libgtop2'...
$ git fetch origin c6f8c25749286c6af23858a91cd808c910360290:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgtop2
 * [new ref]         c6f8c25749286c6af23858a91cd808c910360290 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c6f8c25 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild