#!/bin/bash
#
# Startup script for the fedora.us Thunderbird RPM
# (based on the Mozilla RPM launch script)
#

##
## Variables
##
MOZ_ARCH=$(uname -m)
case $MOZ_ARCH in
        x86_64 | s390x | sparc64 )
                MOZ_LIB_DIR="%PREFIX%/lib64"
                SECONDARY_LIB_DIR="%PREFIX%/lib"
                ;;
        * )
                MOZ_LIB_DIR="%PREFIX%/lib"
                SECONDARY_LIB_DIR="%PREFIX%/lib64"
                ;;
esac

if [ ! -x $MOZ_LIB_DIR/thunderbird/thunderbird ]; then
    if [ ! -x $SECONDARY_LIB_DIR/thunderbird/thunderbird ]; then
        echo "Error: $MOZ_LIB_DIR/thunderbird/thunderbird not found"
        if [ -d $SECONDARY_LIB_DIR ]; then
            echo "       $SECONDARY_LIB_DIR/thunderbird/thunderbird not found"
        fi
        exit 1
    fi
    MOZ_LIB_DIR="$SECONDARY_LIB_DIR"
fi

MOZ_DIST_BIN="$MOZ_LIB_DIR/thunderbird"
MOZ_PROGRAM="$MOZ_DIST_BIN/thunderbird"
MOZ_LANGPACKS_DIR="$MOZ_DIST_BIN/langpacks"
MOZ_EXTENSIONS_PROFILE_DIR="$HOME/.mozilla/extensions/{3550f703-e582-4d05-9a08-453d09bdfdc6}"

##
## Enable Wayland backend?
##
%DISABLE_WAYLAND_PLACEHOLDER%

if ! [ $MOZ_DISABLE_WAYLAND ] && [ "$WAYLAND_DISPLAY" ]; then
  if [ "$XDG_CURRENT_DESKTOP" == "GNOME" ]; then
    export MOZ_ENABLE_WAYLAND=1
  fi
##  Enable Wayland on KDE/Sway
##
  if [ "$XDG_SESSION_TYPE" == "wayland" ]; then
    export MOZ_ENABLE_WAYLAND=1
  fi
fi

##
## Set MOZ_ENABLE_PANGO is no longer used because Pango is enabled by default
## you may use MOZ_DISABLE_PANGO=1 to force disabling of pango
##
#MOZ_DISABLE_PANGO=1
#export MOZ_DISABLE_PANGO

##
## Set MOZ_APP_LAUNCHER for gnome-session
##
export MOZ_APP_LAUNCHER="%PREFIX%/bin/thunderbird"

##
## Disable the GNOME crash dialog, Moz has it's own
## 
GNOME_DISABLE_CRASH_DIALOG=1
export GNOME_DISABLE_CRASH_DIALOG

##
## Disable the SLICE allocator (rhbz#1014858)
##
export G_SLICE=always-malloc

##
## To disable the use of Firefox localization, set MOZ_DISABLE_LANGPACKS=1
## in your environment before launching Firefox.
##
#
# MOZ_DISABLE_LANGPACKS=1
# export MOZ_DISABLE_LANGPACKS
#

##
## Automatically installed langpacks are tracked by .fedora-langpack-install
## config file.
##
FEDORA_LANGPACK_CONFIG="$MOZ_EXTENSIONS_PROFILE_DIR/.fedora-langpack-install"

# MOZ_DISABLE_LANGPACKS disables language packs completelly
MOZILLA_DOWN=0
if ! [ $MOZ_DISABLE_LANGPACKS ] || [ $MOZ_DISABLE_LANGPACKS -eq 0 ]; then
    pidof thunderbird > /dev/null 2>&1
    MOZILLA_DOWN=$?
fi

# Modify language pack configuration only when thunderbird is not running 
# and language packs are not disabled
if [ $MOZILLA_DOWN -ne 0 ]; then

    # Clear already installed langpacks
    mkdir -p $MOZ_EXTENSIONS_PROFILE_DIR
    if [ -f $FEDORA_LANGPACK_CONFIG ]; then
        rm `cat $FEDORA_LANGPACK_CONFIG` > /dev/null 2>&1
        rm $FEDORA_LANGPACK_CONFIG > /dev/null 2>&1
        # remove all empty langpacks dirs while they block installation of langpacks
        rmdir $MOZ_EXTENSIONS_PROFILE_DIR/lang* > /dev/null 2>&1
    fi

    # Get locale from system
    CURRENT_LOCALE=$LC_ALL
    CURRENT_LOCALE=${CURRENT_LOCALE:-$LC_MESSAGES}
    CURRENT_LOCALE=${CURRENT_LOCALE:-$LANG}
    
    # Try without a local variant first, then with a local variant
    # So that pt-BR doesn't try to use pt for example
    SHORTMOZLOCALE=`echo $CURRENT_LOCALE | sed "s|_\([^.]*\).*||g"`
    MOZLOCALE=`echo $CURRENT_LOCALE | sed "s|_\([^.]*\).*|-\1|g"`

    function create_langpack_link() {
        local language=$*
        local langpack=langpack-${language}@thunderbird.mozilla.org.xpi
        if [ -f $MOZ_LANGPACKS_DIR/$langpack ]; then
            rm -rf $MOZ_EXTENSIONS_PROFILE_DIR/$langpack
            ln -s $MOZ_LANGPACKS_DIR/$langpack \
                  $MOZ_EXTENSIONS_PROFILE_DIR/$langpack
            echo $MOZ_EXTENSIONS_PROFILE_DIR/$langpack > $FEDORA_LANGPACK_CONFIG
            return 0
        fi
        return 1
    }

    create_langpack_link $SHORTMOZLOCALE || create_langpack_link $MOZLOCALE || true
fi

# BEAST fix (rhbz#1005611)
NSS_SSL_CBC_RANDOM_IV=${NSS_SSL_CBC_RANDOM_IV-1}
export NSS_SSL_CBC_RANDOM_IV

# Linux version specific environment variables
%RHEL_ENV_VARS%

exec $MOZ_PROGRAM "$@"