$ git clone -n https://src.fedoraproject.org/rpms/golang-github-jpillora-sizestr.git /var/lib/mock/f38-build-side-42-init-devel-998209-29141/root/chroot_tmpdir/scmroot/golang-github-jpillora-sizestr
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-998209-29141/root/chroot_tmpdir/scmroot/golang-github-jpillora-sizestr'...
$ git fetch origin 6bd5d083466b01f4f63e4b8e9e8f193ee5ebae35:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-jpillora-sizestr
 * [new ref]         6bd5d083466b01f4f63e4b8e9e8f193ee5ebae35 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6bd5d08 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild