$ git clone -n https://src.fedoraproject.org/rpms/rust-gst-plugin-gtk4.git /var/lib/mock/f42-build-59239567-6572178/root/chroot_tmpdir/scmroot/rust-gst-plugin-gtk4
Cloning into '/var/lib/mock/f42-build-59239567-6572178/root/chroot_tmpdir/scmroot/rust-gst-plugin-gtk4'...
$ git fetch origin 8d50408bab436ba52656560fdb37216c9e0a0400:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gst-plugin-gtk4
 * [new ref]         8d50408bab436ba52656560fdb37216c9e0a0400 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d50408 Update to version 0.13.5; Fixes RHBZ#2349799