$ git clone -n https://src.fedoraproject.org/rpms/kmag.git /var/lib/mock/f38-build-side-42-init-devel-571360-25911/root/chroot_tmpdir/scmroot/kmag
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-571360-25911/root/chroot_tmpdir/scmroot/kmag'...
$ git fetch origin b5d48f386a9c3ba308262d059a6eb4ed6e277ee3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmag
 * [new ref]         b5d48f386a9c3ba308262d059a6eb4ed6e277ee3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b5d48f3 feat: 22.12.3