Add completions for FreeBSD's kldload

CHANGELOG.md

@@ -67,6 +67,7 @@ This section is for changes merged to the `major` branch that are not also merge
   - `configure` (autoconf only)
   - `j` (autojump #4344)
   - `jhipster` (#4472)
+  - `kldload`
   - `meson`
   - `ngrok` (#4642)
   - `optipng`

share/completions/kldload.fish

@@ -0,0 +1,9 @@
+# Completions for the FreeBSD `kldload` kernel module load utility
+
+# Only attempt to match a local file if there isn't a match in /boot/kernel,
+# as odds are that is the desired source.
+complete -c kldload -xa "(
+	set results (find /boot/kernel -depth 1 -iname (commandline -ct)'*.ko' | sed 's@.*/@@g;s/\.ko//');
+	set -q results[1]; and printf '%s\n' $results;
+	or __fish_complete_suffix .ko
+)"