Bug#990953: lxml: reproducible-builds: Set locale to ensure html documentation is reproducible

[Vagrant Cascadian]

Source: lxml
Severity: minor
Tags: patch
User: reproducible-bui...@lists.alioth.debian.org
Usertags: locale
X-Debbugs-Cc: reproducible-b...@lists.alioth.debian.org

Various .html files generated in the documentation have different
results depending on the (potentially obscure) locale used in reprotest.

  ./usr/share/doc/python-lxml/html/index.html

  <div class="line"><a class="reference external"
  href="https://mailman-mail5.webfaction.com/pipermail/lxml/200\
  80131/019119.html">&#187; lxml takes all the pain out of
  XML. &#171;</a></div>

vs.

  <div class="line"><a class="reference external"
  href="https://mailman-mail5.webfaction.com/pipermail/lxml/200\
  80131/019119.html">&#194;&#187; lxml takes all the pain out of
  XML. &#194;&#171;</a></div>


The attached patch sets the LC_ALL and LANG environment variables from
debian/rules to ensure the C.UTF-8 locale is used.


Thanks for maintaining lxml!


live well,
  vagrant

From b3bf97844053add891129e119cc66b5af3eb5016 Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <vagr...@reproducible-builds.org>
Date: Sun, 11 Jul 2021 17:00:21 +0000
Subject: [PATCH 2/2] debian/rules: Set LC_ALL and LANG to C.UTF-8 to avoid
 reproducibility issues when generating html documentation.

---
 debian/rules | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/debian/rules b/debian/rules
index db5abad..466e936 100755
--- a/debian/rules
+++ b/debian/rules
@@ -9,6 +9,10 @@ PY3VER	:= $(shell py3versions -vd)
 
 UPSTREAMVER := $(subst lxml-,,$(notdir $(CURDIR)))
 
+# Some locales trigger reproducibility issues in html documentation
+export LC_ALL=C.UTF-8
+export LANG=C.UTF-8
+
 include /usr/share/python3/python.mk
 
 prebuild: prebuild-stamp
-- 
2.32.0

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