$ git clone -n https://src.fedoraproject.org/rpms/plasma-disks.git /var/lib/mock/f45-build-28599-631/root/chroot_tmpdir/scmroot/plasma-disks
Cloning into '/var/lib/mock/f45-build-28599-631/root/chroot_tmpdir/scmroot/plasma-disks'...
$ git fetch origin 11a9ffd4b70b696f04bf587e45359583bc23f04b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-disks
 * [new ref]         11a9ffd4b70b696f04bf587e45359583bc23f04b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 11a9ffd 6.7.5