$ git clone -n https://src.fedoraproject.org/rpms/commit-stream.git /var/lib/mock/f42-build-866230-173809/root/chroot_tmpdir/scmroot/commit-stream
Cloning into '/var/lib/mock/f42-build-866230-173809/root/chroot_tmpdir/scmroot/commit-stream'...
$ git fetch origin 8bb3265ade39bd61d0ee4fd4f7f9b2955f411207:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/commit-stream
 * [new ref]         8bb3265ade39bd61d0ee4fd4f7f9b2955f411207 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8bb3265 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild