$ git clone -n https://src.fedoraproject.org/rpms/R-rematch.git /var/lib/mock/f40-build-2352718-60217/root/chroot_tmpdir/scmroot/R-rematch
Cloning into '/var/lib/mock/f40-build-2352718-60217/root/chroot_tmpdir/scmroot/R-rematch'...
$ git fetch origin a1bd148d2cd0a8d3a334cea785939e3f058fb811:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-rematch
 * [new ref]         a1bd148d2cd0a8d3a334cea785939e3f058fb811 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1bd148 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild