$ git clone -n https://src.fedoraproject.org/rpms/intel-undervolt.git /var/lib/mock/f39-build-1600757-38545/root/chroot_tmpdir/scmroot/intel-undervolt
Cloning into '/var/lib/mock/f39-build-1600757-38545/root/chroot_tmpdir/scmroot/intel-undervolt'...
$ git fetch origin d8148bfe3c64e35f6f1ee9d5eb0f878d2a202a3f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/intel-undervolt
 * [new ref]         d8148bfe3c64e35f6f1ee9d5eb0f878d2a202a3f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8148bf Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild