$ git clone -n https://src.fedoraproject.org/rpms/golang-github-peterh-liner.git /var/lib/mock/f45-build-12317-440/root/chroot_tmpdir/scmroot/golang-github-peterh-liner
Cloning into '/var/lib/mock/f45-build-12317-440/root/chroot_tmpdir/scmroot/golang-github-peterh-liner'...
$ git fetch origin e0b867cadfd636269be607abf98d04674aaa3c48:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-peterh-liner
 * [new ref]         e0b867cadfd636269be607abf98d04674aaa3c48 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e0b867c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild