$ git clone -n https://src.fedoraproject.org/rpms/golang-github-projectdiscovery-mapcidr.git /var/lib/mock/f45-build-12381-442/root/chroot_tmpdir/scmroot/golang-github-projectdiscovery-mapcidr
Cloning into '/var/lib/mock/f45-build-12381-442/root/chroot_tmpdir/scmroot/golang-github-projectdiscovery-mapcidr'...
$ git fetch origin b9925e07853888a13ab92f368ff0215deabfef9a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-projectdiscovery-mapcidr
 * [new ref]         b9925e07853888a13ab92f368ff0215deabfef9a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b9925e0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild