$ git clone -n https://src.fedoraproject.org/rpms/R-evaluate.git /var/lib/mock/f39-build-1470492-33899/root/chroot_tmpdir/scmroot/R-evaluate
Cloning into '/var/lib/mock/f39-build-1470492-33899/root/chroot_tmpdir/scmroot/R-evaluate'...
$ git fetch origin d2c0ed6bfdc534b9678f3c8a24064e9a648f56f6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-evaluate
 * [new ref]         d2c0ed6bfdc534b9678f3c8a24064e9a648f56f6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2c0ed6 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild