$ git clone -n https://src.fedoraproject.org/rpms/jetring.git /var/lib/mock/f40-build-2600670-63144/root/chroot_tmpdir/scmroot/jetring
Cloning into '/var/lib/mock/f40-build-2600670-63144/root/chroot_tmpdir/scmroot/jetring'...
$ git fetch origin 252a07cc07ab0fb67c77201d625ca4476a969636:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jetring
 * [new ref]         252a07cc07ab0fb67c77201d625ca4476a969636 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 252a07c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild