$ git clone -n https://src.fedoraproject.org/rpms/helm.git /var/lib/mock/f41-build-856845-167776/root/chroot_tmpdir/scmroot/helm
Cloning into '/var/lib/mock/f41-build-856845-167776/root/chroot_tmpdir/scmroot/helm'...
$ git fetch origin 6c15442a25ede5b64838c48d6ac782ed402de28b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/helm
 * [new ref]         6c15442a25ede5b64838c48d6ac782ed402de28b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c15442 Update to 3.16.1 - Closes rhbz#2311837