$ git clone -n https://src.fedoraproject.org/rpms/golang-github-andybalholm-cascadia.git /var/lib/mock/f40-build-2444068-61165/root/chroot_tmpdir/scmroot/golang-github-andybalholm-cascadia
Cloning into '/var/lib/mock/f40-build-2444068-61165/root/chroot_tmpdir/scmroot/golang-github-andybalholm-cascadia'...
$ git fetch origin c408b59e1cec074a0a08504faf64ce69b9998e9d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-andybalholm-cascadia
 * [new ref]         c408b59e1cec074a0a08504faf64ce69b9998e9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c408b59 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild