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: / usr / share / locales /
Filename : remove-language-pack
back
#!/bin/sh -e

if [ -z "$1" ]; then
    echo "Usage: $0 <language code> <class> [<version>]"
    exit 0
fi

# Copied from locale-gen
normalize_locale() {
    #  Insert a leading x in case $1 begins with a dash
    this_locale=x$1
    charset=
    if echo $this_locale | LC_ALL=C grep '\.' > /dev/null 2>&1; then
	charset=$(echo $this_locale | sed -e 's/^x//' -e 's/.*\(\.[^@]*\).*/\1/' | LC_ALL=C tr '[A-Z]' '[a-z]' | LC_ALL=C sed -e 's/[^a-z0-9.]//g')
    fi
    modifier=
    if echo $this_locale | LC_ALL=C grep '@' > /dev/null 2>&1; then
	modifier=$(echo $this_locale | sed -e 's/^x//' -e 's/.*\(@[^.]*\).*/\1/')
    fi
    main=$(echo $this_locale | sed -e 's/^x//' -e 's/[.@].*//')
    echo $main$charset$modifier
}

get_supported_local_normalized() {
    [ -e /etc/locale.gen ] || return 0
    sort -u /etc/locale.gen | while read locale charset; do
	case $locale in
	    \#*) continue ;;
	    "") continue ;;
	esac
	normalize_locale "$locale"
    done
}

remove_locale() {
    this_locale=$(normalize_locale "$1")
    if ! echo "$supported_local_normalized" | fgrep -qx "$this_locale"; then
	if [ -e /usr/lib/locale/locale-archive ]; then
	    localedef --delete-from-archive "$this_locale"
	fi
    fi
}

# remove binary locales
# do nothing for gnome/kde
if [ -z "$2" ]; then
    # do not remove locales if we merely remove language-support-* without
    # removing language-pack-*
    if [ ! -e /var/lib/locales/supported.d/$1 ]; then
	supported_local_normalized="$(get_supported_local_normalized)"
	if [ "$1" = 'zh-hans' ]; then
	    remove_locale zh_CN.utf8
	    remove_locale zh_SG.utf8
	elif [ "$1" = 'zh-hant' ]; then
	    remove_locale zh_HK.utf8
	    remove_locale zh_TW.utf8
	else
	    if [ -e /usr/lib/locale/locale-archive ]; then
		for l in $(localedef --list-archive|grep "^$1[._@]"); do
		    remove_locale "$l"
		done
	    fi
	fi
    fi
fi

# ensure that .desktop caches are up to date
dpkg-trigger gmenucache || true