$ git clone -n https://src.fedoraproject.org/rpms/trojan.git /var/lib/mock/f40-build-781257-131566/root/chroot_tmpdir/scmroot/trojan
Cloning into '/var/lib/mock/f40-build-781257-131566/root/chroot_tmpdir/scmroot/trojan'...
$ git fetch origin f8650f2478604abf3e7f4c6e280339a03b64d662:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/trojan
 * [new ref]         f8650f2478604abf3e7f4c6e280339a03b64d662 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8650f2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild