$ git clone -n https://src.fedoraproject.org/rpms/R-keyring.git /var/lib/mock/f41-build-821715-152618/root/chroot_tmpdir/scmroot/R-keyring
Cloning into '/var/lib/mock/f41-build-821715-152618/root/chroot_tmpdir/scmroot/R-keyring'...
$ git fetch origin 88dc0ead7baac9b3e2ede0d340d9f74606628de2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-keyring
 * [new ref]         88dc0ead7baac9b3e2ede0d340d9f74606628de2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88dc0ea Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild