$ git clone -n https://src.fedoraproject.org/rpms/rubygem-mixlib-cli.git /var/lib/mock/f40-build-2323034-58694/root/chroot_tmpdir/scmroot/rubygem-mixlib-cli
Cloning into '/var/lib/mock/f40-build-2323034-58694/root/chroot_tmpdir/scmroot/rubygem-mixlib-cli'...
$ git fetch origin 8306517a82294b71e781facc924ae86eba5b602d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-mixlib-cli
 * [new ref]         8306517a82294b71e781facc924ae86eba5b602d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8306517 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild