$ git clone -n https://src.fedoraproject.org/rpms/rust-resolv-conf.git /var/lib/mock/f45-build-44436-813/root/chroot_tmpdir/scmroot/rust-resolv-conf
Cloning into '/var/lib/mock/f45-build-44436-813/root/chroot_tmpdir/scmroot/rust-resolv-conf'...
$ git fetch origin 8e0264e512aad713d9928a37a6170e09b60e8437:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-resolv-conf
 * [new ref]         8e0264e512aad713d9928a37a6170e09b60e8437 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e0264e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild