$ git clone -n https://src.fedoraproject.org/rpms/rubygem-typhoeus.git /var/lib/mock/f39-build-1504099-35007/root/chroot_tmpdir/scmroot/rubygem-typhoeus
Cloning into '/var/lib/mock/f39-build-1504099-35007/root/chroot_tmpdir/scmroot/rubygem-typhoeus'...
$ git fetch origin eabf502ac46c4e06a55ce4fb5d01757692ff9fd5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-typhoeus
 * [new ref]         eabf502ac46c4e06a55ce4fb5d01757692ff9fd5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eabf502 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild