r-png: use metadata checks

BioArchLinux/r-png/PKGBUILD

@@ -1,28 +1,32 @@
-# system requirements: libpng
-# Maintainer: Guoyi Zhang <guoyizhang at malacology dot net>
+# Maintainer: Pekka Ristola <pekkarr [at] protonmail [dot] com>
+# Contributor: Guoyi Zhang <guoyizhang at malacology dot net>
+# Contributor: peippo <christoph+aur@christophfink.com>
+# Contributor: Viktor Drobot (aka dviktor) linux776 [at] gmail [dot] com
+# Contributor: Grey Christoforo <first name at last name dot net>
 
 _pkgname=png
 _pkgver=0.1-8
 pkgname=r-${_pkgname,,}
-pkgver=0.1.8
+pkgver=${_pkgver//-/.}
 pkgrel=3
-pkgdesc='Read and write PNG images'
-arch=('x86_64')
+pkgdesc="Read and write PNG images"
+arch=(x86_64)
 url="https://cran.r-project.org/package=${_pkgname}"
-license=('GPL')
+license=(GPL)
 depends=(
-  r
   libpng
+  r
 )
 source=("https://cran.r-project.org/src/contrib/${_pkgname}_${_pkgver}.tar.gz")
+md5sums=('5667528b7bbdd8c058018ea7ac6573a7')
 sha256sums=('5a36fabb6d62ba2533d3fc4cececd07891942cfb76fe689ec0d550d08762f61c')
 
 build() {
-  R CMD INSTALL ${_pkgname}_${_pkgver}.tar.gz -l "${srcdir}"
+  mkdir -p build
+  R CMD INSTALL "$_pkgname" -l build
 }
 
 package() {
-  install -dm0755 "${pkgdir}/usr/lib/R/library"
-  cp -a --no-preserve=ownership "${_pkgname}" "${pkgdir}/usr/lib/R/library"
+  install -d "$pkgdir/usr/lib/R/library"
+  cp -a --no-preserve=ownership "build/$_pkgname" "$pkgdir/usr/lib/R/library"
 }
-# vim:set ts=2 sw=2 et:

BioArchLinux/r-png/lilac.py

@@ -1,12 +1,16 @@
 #!/usr/bin/env python3
 from lilaclib import *
 
+import os
+import sys
+sys.path.append(os.path.normpath(f'{__file__}/../../../lilac-extensions'))
+from lilac_r_utils import r_pre_build
+
 def pre_build():
-    for line in edit_file('PKGBUILD'):
-        if line.startswith('_pkgver='):
-            line = f'_pkgver={_G.newver}'
-        print(line)
-    update_pkgver_and_pkgrel(_G.newver.replace(':', '.').replace('-', '.'))
+    r_pre_build(
+        _G,
+        expect_systemrequirements = "libpng",
+    )
 
 def post_build():
     git_pkgbuild_commit()

BioArchLinux/r-png/lilac.yaml

@@ -1,9 +1,15 @@
 build_prefix: extra-x86_64
 maintainers:
-- github: starsareintherose
-  email: kuoi@bioarchlinux.org
+- github: pekkarr
+  email: pekkarr@protonmail.com
 update_on:
-- regex: png_([\d._-]+).tar.gz
-  source: regex
-  url: https://cran.r-project.org/package=png
+- source: rpkgs
+  pkgname: png
+  repo: cran
+  md5: true
 - alias: r
+- source: alpm
+  alpm: libpng
+  repo: extra
+  provided: libpng16.so
+  strip_release: true