$ git clone -n https://src.fedoraproject.org/rpms/rubygem-rabbit.git /var/lib/mock/f41-build-1034938-18652/root/chroot_tmpdir/scmroot/rubygem-rabbit
Cloning into '/var/lib/mock/f41-build-1034938-18652/root/chroot_tmpdir/scmroot/rubygem-rabbit'...
$ git fetch origin 12c6158de4a6bf3f163a42de9fb890b1b4ea7e6f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-rabbit
 * [new ref]         12c6158de4a6bf3f163a42de9fb890b1b4ea7e6f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 12c6158 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild