$ git clone -n https://src.fedoraproject.org/rpms/perl-Text-Iconv.git /var/lib/mock/f41-build-side-1-3128613-39569/root/chroot_tmpdir/scmroot/perl-Text-Iconv
Cloning into '/var/lib/mock/f41-build-side-1-3128613-39569/root/chroot_tmpdir/scmroot/perl-Text-Iconv'...
$ git fetch origin 54724e58fdee1b7a625d4fb20f5098582dded892:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Text-Iconv
 * [new ref]         54724e58fdee1b7a625d4fb20f5098582dded892 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 54724e5 convert GPL+ or Artistic license to SPDX