$ git clone -n https://src.fedoraproject.org/rpms/rubygem-poppler.git /var/lib/mock/f41-build-1714239-24614/root/chroot_tmpdir/scmroot/rubygem-poppler
Cloning into '/var/lib/mock/f41-build-1714239-24614/root/chroot_tmpdir/scmroot/rubygem-poppler'...
$ git fetch origin 98396bc30bbd46723c5bfb8f0921b41500c2bbfc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-poppler
 * [new ref]         98396bc30bbd46723c5bfb8f0921b41500c2bbfc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 98396bc Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild