$ git clone -n https://src.fedoraproject.org/rpms/poppler-sharp.git /var/lib/mock/f41-build-side-1-2965804-35797/root/chroot_tmpdir/scmroot/poppler-sharp
Cloning into '/var/lib/mock/f41-build-side-1-2965804-35797/root/chroot_tmpdir/scmroot/poppler-sharp'...
$ git fetch origin 16d2881d77e4054af0a605c3a371cc4fceb542af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/poppler-sharp
 * [new ref]         16d2881d77e4054af0a605c3a371cc4fceb542af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16d2881 convert GPLv2+ license to SPDX