$ git clone -n https://src.fedoraproject.org/rpms/jacktrip.git /var/lib/mock/f38-build-side-42-init-devel-1091721-30051/root/chroot_tmpdir/scmroot/jacktrip
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1091721-30051/root/chroot_tmpdir/scmroot/jacktrip'...
$ git fetch origin db87e461092cf8170ff643e8889750de73daad90:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jacktrip
 * [new ref]         db87e461092cf8170ff643e8889750de73daad90 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db87e46 Update to v1.8.1