$ git clone -n https://src.fedoraproject.org/rpms/kf6-kidletime.git /var/lib/mock/f40-build-1493401-23853/root/chroot_tmpdir/scmroot/kf6-kidletime
Cloning into '/var/lib/mock/f40-build-1493401-23853/root/chroot_tmpdir/scmroot/kf6-kidletime'...
$ git fetch origin 59d363fb1df74484e7fc21cab9f7c0761d874e02:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kidletime
 * [new ref]         59d363fb1df74484e7fc21cab9f7c0761d874e02 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 59d363f Merge branch 'rawhide' into f40