$ git clone -n https://src.fedoraproject.org/rpms/plasma-milou.git /var/lib/mock/f40-build-2682114-67963/root/chroot_tmpdir/scmroot/plasma-milou
Cloning into '/var/lib/mock/f40-build-2682114-67963/root/chroot_tmpdir/scmroot/plasma-milou'...
$ git fetch origin 1176532a4395e1291122aefc72629a1deae26b18:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-milou
 * [new ref]         1176532a4395e1291122aefc72629a1deae26b18 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1176532 6.0.3