$ git clone -n https://src.fedoraproject.org/rpms/R-ica.git /var/lib/mock/f38-build-side-42-init-devel-840755-28411/root/chroot_tmpdir/scmroot/R-ica
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-840755-28411/root/chroot_tmpdir/scmroot/R-ica'...
$ git fetch origin cbc1bf6e98ec9ef92990c444bec7aad2b7efb267:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-ica
 * [new ref]         cbc1bf6e98ec9ef92990c444bec7aad2b7efb267 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cbc1bf6 Initial import (fedora#2185388).