$ git clone -n https://src.fedoraproject.org/rpms/ktouch.git /var/lib/mock/f45-build-15485-474/root/chroot_tmpdir/scmroot/ktouch
Cloning into '/var/lib/mock/f45-build-15485-474/root/chroot_tmpdir/scmroot/ktouch'...
$ git fetch origin d2ea613d749cdc516be7e40470e26bc1c6121c13:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ktouch
 * [new ref]         d2ea613d749cdc516be7e40470e26bc1c6121c13 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2ea613 Rebuilt for libxml-2.5.4