$ git clone -n https://src.fedoraproject.org/rpms/quickjs-ng.git /var/lib/mock/f45-build-34218-682/root/chroot_tmpdir/scmroot/quickjs-ng
Cloning into '/var/lib/mock/f45-build-34218-682/root/chroot_tmpdir/scmroot/quickjs-ng'...
$ git fetch origin 276c4c93357b03d46b0e5c7b640d18af6e358336:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/quickjs-ng
 * [new ref]         276c4c93357b03d46b0e5c7b640d18af6e358336 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 276c4c9 Update to v0.17.0