$ git clone -n https://src.fedoraproject.org/rpms/sisu.git /var/lib/mock/f38-build-side-42-init-devel-574172-25991/root/chroot_tmpdir/scmroot/sisu
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-574172-25991/root/chroot_tmpdir/scmroot/sisu'...
$ git fetch origin 02524015a62678525d136de97a5d083b1655cf74:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sisu
 * [new ref]         02524015a62678525d136de97a5d083b1655cf74 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0252401 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild