$ git clone -n https://src.fedoraproject.org/rpms/rust-gst-plugin-livesync /var/lib/mock/f42-build-3428986-45391/root/chroot_tmpdir/scmroot/rust-gst-plugin-livesync
Cloning into '/var/lib/mock/f42-build-3428986-45391/root/chroot_tmpdir/scmroot/rust-gst-plugin-livesync'...
$ git fetch origin fa6501949c46143d9fbb504f76aaff26b3501ae7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gst-plugin-livesync
 * [new ref]         fa6501949c46143d9fbb504f76aaff26b3501ae7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa65019 Initial import (rhbz#2344117)