From 02e0269831132642dab19142b61361d681903a6d Mon Sep 17 00:00:00 2001
From: Philipp Gesang <phg@phi-gamma.net>
Date: Fri, 2 Sep 2016 22:49:38 +0200
Subject: luatex-svn: include license files of subprojects

---
 luatex-svn/PKGBUILD | 40 ++++++++++++++++++++++++++++++++++++++--
 1 file changed, 38 insertions(+), 2 deletions(-)

diff --git a/luatex-svn/PKGBUILD b/luatex-svn/PKGBUILD
index fe7382d..f0e88ec 100644
--- a/luatex-svn/PKGBUILD
+++ b/luatex-svn/PKGBUILD
@@ -8,7 +8,13 @@ pkgdesc="The LuaTeX engine, current SVN trunk, standalone binary"
 pkgver=r6111
 arch=(i686 x86_64)
 url="http://www.luatex.org"
-license=('GPLv2')
+# Luatex, Poppler: GPL2
+# Fontforge: GPL (?)
+# Cairo, zziplib: LGPL
+# Luasocket, Luafilesystem, Luazip, Pixman: MIT
+# dotzlib: boost
+# libpng: libpng
+license=('GPL2' 'boost' 'MIT' 'libpng' 'LGPL2.1')
 depends=()
 makedepends=()
 conflicts=()
@@ -55,6 +61,21 @@ check() {
   [ -x "${bin}" ] || exit -1
 }
 
+_install_legal ()
+{
+  # luatex includes numerous libraries, all linked in so we have to consider
+  # the individual licenses part of the package
+  local src="${1:-}"
+  local dst="${2:-}"
+  if [ -z "${src}" -o -z "${dst}" ]; then
+    msg "_install_legal(): junk “${src}” → “${dst}”; ignoring"
+    return
+  fi
+  local dstfull="${pkgdir}/usr/share/${pkgname}/legal/${dst}"
+  install -m644 "${src}" "${dstfull}"
+  gzip "${dstfull}" # empty repetitive jargon compresses very well
+}
+
 package() {
   local reporoot="${srcdir}/${_svnlocal}"
   local bin="build/texk/web2c/luatex"
@@ -70,8 +91,23 @@ package() {
   install -Dm644 build/doc/luatex.1.gz "${pkgdir}/usr/share/man/man1/"
   msg "Package miscellaneous files"
   install -dm755 "${pkgdir}/usr/share/${pkgname}/"
-  install -Dm644 COPYING INSTALL README "${pkgdir}/usr/share/${pkgname}/"
   install -Dm644 manual/luatex.pdf "${pkgdir}/usr/share/${pkgname}/"
+  install -Dm644 INSTALL README "${pkgdir}/usr/share/${pkgname}/"
+  install -dm755 "${pkgdir}/usr/share/${pkgname}/legal"
+  install -m644 COPYING "${pkgdir}/usr/share/${pkgname}/legal/COPYING.luatex"
+  local srclib=./source/libs
+  local luatexdir=./source/texk/web2c/luatexdir
+  _install_legal "${srclib}/pixman/pixman-src/COPYING"                     COPYING.pixman
+  _install_legal "${srclib}/cairo/cairo-src/COPYING"                       COPYING.cairo
+  _install_legal "${srclib}/libpng/libpng-src/contrib/gregbook/COPYING"    COPYING.libpng
+  _install_legal "${srclib}/poppler/poppler-src/COPYING"                   COPYING.poppler
+  _install_legal "${srclib}/zziplib/zziplib-src/COPYING.LIB"               COPYING.zziplib
+  _install_legal "${srclib}/zlib/zlib-src/contrib/dotzlib/LICENSE_1_0.txt" LICENSE.dotzlib
+  _install_legal "${srclib}/libpng/libpng-src/LICENSE"                     LICENSE.libpng
+  _install_legal "${luatexdir}/luafilesystem/doc/us/license.html"          LICENSE.luafilesystem.html
+  _install_legal "${luatexdir}/luasocket/LICENSE"                          LICENSE.luasocket
+  _install_legal "${luatexdir}/luafontloader/fontforge/LICENSE"            LICENSE.fontforge
+  _install_legal "${luatexdir}/luazip/doc/us/license.html"                 LICENSE.luazip.html
 }
 
 # vim:ft=sh:et:sw=2
-- 
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