$ git clone -n https://src.fedoraproject.org/rpms/safetyblanket.git /var/lib/mock/f38-build-side-42-init-devel-957774-28787/root/chroot_tmpdir/scmroot/safetyblanket
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-957774-28787/root/chroot_tmpdir/scmroot/safetyblanket'...
$ git fetch origin b5a78530ebc547d9f3f03cdb0b588b9aec0bfaaf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/safetyblanket
 * [new ref]         b5a78530ebc547d9f3f03cdb0b588b9aec0bfaaf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b5a7853 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild