$ git clone -n https://src.fedoraproject.org/rpms/koji.git /var/lib/mock/f38-build-side-42-init-devel-685894-26759/root/chroot_tmpdir/scmroot/koji
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-685894-26759/root/chroot_tmpdir/scmroot/koji'...
$ git fetch origin e0336fe8123683c2ac573a2fc2f2cf0fc0300879:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/koji
 * [new ref]         e0336fe8123683c2ac573a2fc2f2cf0fc0300879 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e0336fe Update to 1.32.0. Fixes rhbz#2170361