$ git clone -n https://src.fedoraproject.org/rpms/kiriki.git /var/lib/mock/f40-build-1789210-24852/root/chroot_tmpdir/scmroot/kiriki
Cloning into '/var/lib/mock/f40-build-1789210-24852/root/chroot_tmpdir/scmroot/kiriki'...
$ git fetch origin 39387f0f303c0254642dbe75a043ebfe6fa753da:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kiriki
 * [new ref]         39387f0f303c0254642dbe75a043ebfe6fa753da -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 39387f0 24.05.2