$ git clone -n https://src.fedoraproject.org/rpms/R-commonmark.git /var/lib/mock/f40-build-2031989-47659/root/chroot_tmpdir/scmroot/R-commonmark
Cloning into '/var/lib/mock/f40-build-2031989-47659/root/chroot_tmpdir/scmroot/R-commonmark'...
$ git fetch origin 765e791f1631ff4260e718f0f59660ad6e0a83c3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-commonmark
 * [new ref]         765e791f1631ff4260e718f0f59660ad6e0a83c3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 765e791 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild