$ git clone -n https://src.fedoraproject.org/rpms/kcalc.git /var/lib/mock/f40-build-1505327-23885/root/chroot_tmpdir/scmroot/kcalc
Cloning into '/var/lib/mock/f40-build-1505327-23885/root/chroot_tmpdir/scmroot/kcalc'...
$ git fetch origin 172833ec5ce641da8a257ffe2722d3d233354a7b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kcalc
 * [new ref]         172833ec5ce641da8a257ffe2722d3d233354a7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 172833e 24.05.0