texlive: make tlmgr work.

tlmgr was attempting to lookup a relative path to /usr/bin, while it
expects to be in /usr/share/texmf-dist. Instead of symlinking it, create
a smallscript to run it from the correct location.

Closes #24013

srcpkgs/texlive/files/tlmgr

@@ -0,0 +1,2 @@
+#!/bin/sh
+/usr/share/texmf-dist/scripts/texlive/tlmgr.pl "$@"

srcpkgs/texlive/template

@@ -1,7 +1,7 @@
 # Template file for 'texlive'
 pkgname=texlive
 version=20200406
-revision=2
+revision=3
 wrksrc="texlive-${version}-source"
 build_wrksrc="build"
 build_style=gnu-configure
@@ -72,8 +72,6 @@ makedepends="cairo-devel freetype-devel gd-devel graphite-devel gmp-devel
  poppler-devel pixman-devel libteckit-devel zlib-devel zziplib-devel
  libXaw-devel"
 depends="dialog ghostscript perl-Tk texlive-core xbps-triggers>=0.115_1"
-# Virtual package cares only about year part of version
-provides="tex-${version%${version#????}}_1"
 short_desc="TeX Live"
 maintainer="fosslinux <fosslinux@aussies.space>"
 license="GPL-2.0-or-later"
@@ -81,6 +79,8 @@ homepage="https://www.tug.org/texlive/"
 distfiles="ftp://tug.org/texlive/historic/2020/texlive-${version}-source.tar.xz"
 checksum=e32f3d08cbbbcf21d8d3f96f2143b64a1f5e4cb01b06b761d6249c8785249078
 python_version=3
+# Virtual package cares only about year part of version
+provides="tex-${version%${version#????}}_1"
 
 if [ "$CROSS_BUILD" ] ; then
 	# Tangle is required for cross compile
@@ -252,6 +252,9 @@ post_install() {
 	done
 	ln -s eptex "${DESTDIR}/usr/bin/platex"
 	ln -s euptex "${DESTDIR}/usr/bin/uplatex"
+	# Create tlmgr smallscript
+	rm -f "${DESTDIR}/usr/bin/tlmgr"
+	vbin "${FILESDIR}/tlmgr"
 }
 
 texlive-XeTeX_package() {