$ git clone -n https://src.fedoraproject.org/rpms/plasma-workspace-x11.git /var/lib/mock/f40-build-780135-130690/root/chroot_tmpdir/scmroot/plasma-workspace-x11
Cloning into '/var/lib/mock/f40-build-780135-130690/root/chroot_tmpdir/scmroot/plasma-workspace-x11'...
$ git fetch origin 53b3665d72613b3bd13d5cfe8df28a6249194e75:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-workspace-x11
 * [new ref]         53b3665d72613b3bd13d5cfe8df28a6249194e75 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 53b3665 Update to 5.93.0.