$ git clone -n https://src.fedoraproject.org/rpms/plasma-nano.git /var/lib/mock/f39-build-1503639-34980/root/chroot_tmpdir/scmroot/plasma-nano
Cloning into '/var/lib/mock/f39-build-1503639-34980/root/chroot_tmpdir/scmroot/plasma-nano'...
$ git fetch origin 8693f1348110528e02b19fe6714b3e382c47be51:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-nano
 * [new ref]         8693f1348110528e02b19fe6714b3e382c47be51 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8693f13 Update to 5.27.8