$ git clone -n https://src.fedoraproject.org/rpms/golang-github-markbates-oncer.git /var/lib/mock/f38-build-side-42-init-devel-667097-26652/root/chroot_tmpdir/scmroot/golang-github-markbates-oncer
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-667097-26652/root/chroot_tmpdir/scmroot/golang-github-markbates-oncer'...
$ git fetch origin 29b190feef26c159a8846e2f9551aeb003a94460:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-markbates-oncer
 * [new ref]         29b190feef26c159a8846e2f9551aeb003a94460 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 29b190f Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild