$ git clone -n https://src.fedoraproject.org/rpms/nut.git /var/lib/mock/f45-build-19835-556/root/chroot_tmpdir/scmroot/nut
Cloning into '/var/lib/mock/f45-build-19835-556/root/chroot_tmpdir/scmroot/nut'...
$ git fetch origin ab5d1edc5acb8c7d1368a3a30e647c5878347f2f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nut
 * [new ref]         ab5d1edc5acb8c7d1368a3a30e647c5878347f2f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab5d1ed fix nut monitor spin CPU after upsd closed connection (rhbz#2539831)