$ git clone -n https://src.fedoraproject.org/rpms/salt.git /var/lib/mock/f45-build-35532-696/root/chroot_tmpdir/scmroot/salt
Cloning into '/var/lib/mock/f45-build-35532-696/root/chroot_tmpdir/scmroot/salt'...
$ git fetch origin 166e2ba0a51e76229984701c2022fbd8be38a696:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/salt
 * [new ref]         166e2ba0a51e76229984701c2022fbd8be38a696 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 166e2ba Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild