$ git clone -n https://src.fedoraproject.org/rpms/R-showtext.git /var/lib/mock/f39-build-1785860-41711/root/chroot_tmpdir/scmroot/R-showtext
Cloning into '/var/lib/mock/f39-build-1785860-41711/root/chroot_tmpdir/scmroot/R-showtext'...
$ git fetch origin 333656fb64b93a198b898aad6174a023a42d1032:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-showtext
 * [new ref]         333656fb64b93a198b898aad6174a023a42d1032 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 333656f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild