$ git clone -n https://src.fedoraproject.org/rpms/xscorch.git /var/lib/mock/f40-build-788501-135185/root/chroot_tmpdir/scmroot/xscorch
Cloning into '/var/lib/mock/f40-build-788501-135185/root/chroot_tmpdir/scmroot/xscorch'...
$ git fetch origin 4f119f2f8ead2380730ab82b96b744be263ae217:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xscorch
 * [new ref]         4f119f2f8ead2380730ab82b96b744be263ae217 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f119f2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild