$ git clone -n https://src.fedoraproject.org/rpms/rubygem-curb.git /var/lib/mock/f41-build-1764383-24721/root/chroot_tmpdir/scmroot/rubygem-curb
Cloning into '/var/lib/mock/f41-build-1764383-24721/root/chroot_tmpdir/scmroot/rubygem-curb'...
$ git fetch origin 8320d720f9fe8df979eb3b75878c580d18bff3a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-curb
 * [new ref]         8320d720f9fe8df979eb3b75878c580d18bff3a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8320d72 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild