From f0740543c3b4bbef1b0dffc90056cce6b3e895b4 Mon Sep 17 00:00:00 2001
From: Patrick J Volkerding <volkerdi@slackware.com>
Date: Thu, 24 Oct 2019 04:04:59 +0000
Subject: Thu Oct 24 04:04:59 UTC 2019

ap/man-db-2.9.0-x86_64-1.txz:  Upgraded.
d/ccache-3.7.5-x86_64-1.txz:  Upgraded.
l/librsvg-2.46.3-x86_64-1.txz:  Upgraded.
xap/mozilla-thunderbird-68.2.0-x86_64-1.txz:  Upgraded.
  This is a bugfix release.
  For more information, see:
    https://www.mozilla.org/en-US/thunderbird/68.2.0/releasenotes/
---
 .../mozilla-thunderbird.SlackBuild                 | 50 +++++++++++++++++-----
 1 file changed, 40 insertions(+), 10 deletions(-)

(limited to 'source/xap/mozilla-thunderbird')

diff --git a/source/xap/mozilla-thunderbird/mozilla-thunderbird.SlackBuild b/source/xap/mozilla-thunderbird/mozilla-thunderbird.SlackBuild
index 4889d5df9..5b87a31d3 100755
--- a/source/xap/mozilla-thunderbird/mozilla-thunderbird.SlackBuild
+++ b/source/xap/mozilla-thunderbird/mozilla-thunderbird.SlackBuild
@@ -40,6 +40,16 @@ BUILD=${BUILD:-1}
 #
 MOZLOCALIZE=${MOZLOCALIZE:-}
 
+# Without LANG=C, building the Python environment may fail with:
+# "UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 36: ordinal not in range(128)"
+LANG=C
+
+# Add a shell script to start the thunderbird binary with MOZ_ALLOW_DOWNGRADE=1
+# to avoid backing up (and disabling) the user profile if a browser downgrade
+# is detected. If you want to build with the stock default behavior, set
+# this to something other than "YES":
+MOZ_ALLOW_DOWNGRADE=${MOZ_ALLOW_DOWNGRADE:-YES}
+
 # This can be set to YES or NO:
 ENABLE_CALENDAR=${ENABLE_CALENDAR:-YES}
 if [ "$ENABLE_CALENDAR" = "NO" ]; then
@@ -71,6 +81,16 @@ if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
   exit 0
 fi
 
+# Thunderbird has been requiring more and more memory, especially while linking
+# libxul. If it fails to build natively on x86 32-bit, it can be useful to
+# attempt the build using an x86_64 kernel and a 32-bit userspace. Detect this
+# situation and set the ARCH to i686. Later in the script we'll add some
+# options to the .mozconfig so that the compile will do the right thing.
+if [ "$(uname -m)" = "x86_64" -a "$(file -L /usr/bin/gcc | grep 80386 | grep 32-bit)" != "" ]; then
+  COMPILE_X86_UNDER_X86_64=true
+  ARCH=i686
+fi
+
 if [ "$ARCH" = "i586" ]; then
   SLKCFLAGS=""
   LIBDIRSUFFIX=""
@@ -93,16 +113,6 @@ else
   OPTIMIZE=${OPTIMIZE:-"-O2"}
 fi
 
-# Thunderbird has been requiring more and more memory, especially while linking
-# libxul. If it fails to build natively on x86 32-bit, it can be useful to
-# attempt the build using an x86_64 kernel and a 32-bit userspace. Detect this
-# situation and set the ARCH to i686. Later in the script we'll add some
-# options to the .mozconfig so that the compile will do the right thing.
-if [ "$(uname -m)" = "x86_64" -a "$(file -L /usr/bin/gcc | grep 80386 | grep 32-bit)" != "" ]; then
-  COMPILE_X86_UNDER_X86_64=true
-  ARCH=i686
-fi
-
 # Choose a compiler (gcc/g++ or clang/clang++):
 export CC=${CC:-gcc}
 export CXX=${CXX:-g++}
@@ -330,6 +340,26 @@ install -m 644 other-licenses/branding/thunderbird/mailicon16.png \
 # Copy over the LICENSE
 install -p -c -m 644 LICENSE $PKG/usr/lib${LIBDIRSUFFIX}/thunderbird-$RELEASEVER/
 
+# If MOZ_ALLOW_DOWNGRADE=YES, replace the /usr/bin/thunderbird symlink with a
+# shell script that sets the MOZ_ALLOW_DOWNGRADE=1 environment variable so
+# that a detected downgrade does not reset the user profile:
+if [ "$MOZ_ALLOW_DOWNGRADE" = "YES" ]; then
+  rm -f $PKG/usr/bin/thunderbird
+  cat << EOF > $PKG/usr/bin/thunderbird
+#!/bin/sh
+#
+# Shell script to start Mozilla Thunderbird.
+#
+# Don't reset the user profile on a detected downgrade:
+export MOZ_ALLOW_DOWNGRADE=1
+
+# Start Thunderbird:
+exec /usr/lib${LIBDIRSUFFIX}/thunderbird/thunderbird "\$@"
+EOF
+  chown root:root $PKG/usr/bin/thunderbird
+  chmod 755 $PKG/usr/bin/thunderbird
+fi
+
 mkdir $PKG/install
 cat $CWD/slack-desc > $PKG/install/slack-desc
 
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