$ git clone -n https://src.fedoraproject.org/rpms/knemo.git /var/lib/mock/f38-build-side-42-init-devel-590589-26120/root/chroot_tmpdir/scmroot/knemo
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-590589-26120/root/chroot_tmpdir/scmroot/knemo'...
$ git fetch origin 6f174fce58a34e45a21dfa360bf5361a1999bfcc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/knemo
 * [new ref]         6f174fce58a34e45a21dfa360bf5361a1999bfcc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f174fc Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild