$ git clone -n https://src.fedoraproject.org/rpms/golang-github-jcmturner-rpc.git /var/lib/mock/f38-build-side-42-init-devel-666979-26652/root/chroot_tmpdir/scmroot/golang-github-jcmturner-rpc
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-666979-26652/root/chroot_tmpdir/scmroot/golang-github-jcmturner-rpc'...
$ git fetch origin 2946a74c11362400b7e6bda147c3ae488690a193:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-jcmturner-rpc
 * [new ref]         2946a74c11362400b7e6bda147c3ae488690a193 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2946a74 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild