$ git clone -n https://src.fedoraproject.org/rpms/rust-gstreamer-editing-services.git /var/lib/mock/f38-build-side-43-rust-devel-1399793-31143/root/chroot_tmpdir/scmroot/rust-gstreamer-editing-services
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1399793-31143/root/chroot_tmpdir/scmroot/rust-gstreamer-editing-services'...
$ git fetch origin a093c9cf0e9ca9e036f615272eaccf1fd2738057:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gstreamer-editing-services
 * [new ref]         a093c9cf0e9ca9e036f615272eaccf1fd2738057 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a093c9c Update to 0.21.0