$ git clone -n https://src.fedoraproject.org/rpms/golang-gvisor.git /var/lib/mock/f38-build-side-42-init-devel-1278472-30667/root/chroot_tmpdir/scmroot/golang-gvisor
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1278472-30667/root/chroot_tmpdir/scmroot/golang-gvisor'...
$ git fetch origin 86edf6fc72c5ebc82a99c9f8e8ea20f05d5aa37c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-gvisor
 * [new ref]         86edf6fc72c5ebc82a99c9f8e8ea20f05d5aa37c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86edf6f Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild