New comment by classabbyamp on void-packages repository

https://github.com/void-linux/void-packages/pull/38583#issuecomment-1211584398

Comment:
this seems to give completions files that work (tested zsh), and it doesn't require vendoring the files in filesdir

```diff
diff --git a/srcpkgs/khal/template b/srcpkgs/khal/template
index 6b74897878..2f6331ed31 100644
--- a/srcpkgs/khal/template
+++ b/srcpkgs/khal/template
@@ -3,10 +3,10 @@ pkgname=khal
 version=0.10.5
 revision=1
 build_style=python3-module
-hostmakedepends="python3-setuptools"
-depends="python3-setuptools python3-click python3-click-log python3-configobj
+hostmakedepends="python3-setuptools python3-click python3-click-log python3-configobj
  python3-dateutil python3-icalendar python3-pytz python3-tzlocal
  python3-urwid python3-xdg python3-atomicwrites"
+depends="$hostmakedepends"
 checkdepends="python3-pytest python3-freezegun vdirsyncer $depends"
 short_desc="Command-line calendar build around CalDAV"
 maintainer="Anachron <gith@cron.world>"
@@ -25,8 +25,9 @@ pre_build() {
 
 post_install() {
        vlicense COPYING
-       vcompletion "${FILESDIR}/khal.bash" bash
-       vcompletion "${FILESDIR}/khal.fish" fish
-       vcompletion "${FILESDIR}/khal.zsh" zsh
+       for sh in bash fish zsh; do
+               env PYTHONPATH=$DESTDIR/$py3_sitelib _KHAL_COMPLETE="${sh}_source" $DESTDIR/usr/bin/khal > "khal.${sh}"
+               vcompletion "khal.${sh}" $sh
+       done
        vsconf khal.conf.sample
 }
 ```