$ git clone -n https://src.fedoraproject.org/rpms/kf5-kidletime.git /var/lib/mock/f40-build-2049155-49015/root/chroot_tmpdir/scmroot/kf5-kidletime
Cloning into '/var/lib/mock/f40-build-2049155-49015/root/chroot_tmpdir/scmroot/kf5-kidletime'...
$ git fetch origin 9d946cb77dbef0286d5f26931cb3fb96347c5d57:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kidletime
 * [new ref]         9d946cb77dbef0286d5f26931cb3fb96347c5d57 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d946cb 5.113.0