$ git clone -n https://src.fedoraproject.org/rpms/xgamma.git /var/lib/mock/f40-build-794315-139514/root/chroot_tmpdir/scmroot/xgamma
Cloning into '/var/lib/mock/f40-build-794315-139514/root/chroot_tmpdir/scmroot/xgamma'...
$ git fetch origin 9ef489837ffd586c79aa3d279ad6bd54562bc783:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xgamma
 * [new ref]         9ef489837ffd586c79aa3d279ad6bd54562bc783 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ef4898 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild