$ git clone -n https://src.fedoraproject.org/rpms/rust-gst-plugin-gtk4 /var/lib/mock/f42-build-3429003-45391/root/chroot_tmpdir/scmroot/rust-gst-plugin-gtk4
Cloning into '/var/lib/mock/f42-build-3429003-45391/root/chroot_tmpdir/scmroot/rust-gst-plugin-gtk4'...
$ git fetch origin 14af93d53d4204b8a02df500dfac8bd2422075a7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gst-plugin-gtk4
 * [new ref]         14af93d53d4204b8a02df500dfac8bd2422075a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14af93d Update to version 0.13.4; Fixes RHBZ#2333994