49 lines
1.4 KiB
Bash
Executable File
49 lines
1.4 KiB
Bash
Executable File
#!/bin/sh -pe
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#
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# update-langlist maintains the LANGUAGE priority list. It does so in
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# a simplified manner, unlike the UI in language-selector-gnome for
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# setting the user language which provides full control.
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first_language=$1
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homedir=$2
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renewed_langlist=
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[ -n "$first_language" -a -n "$homedir" ] || exit 1
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get_old_langlist() {
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if [ -r "$homedir/.pam_environment" ]; then
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while read line; do
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if [ "$( echo "${line%=*}" | sed -r 's/\s+DEFAULT$//' )" = 'LANGUAGE' ]; then
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old_langlist=${line#*=}
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break
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fi
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done < $homedir/.pam_environment
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fi
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}
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old_langlist=
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english=true
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if [ ${first_language%%[_@]*} != 'en' ]; then
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get_old_langlist
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english=false
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fi
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if [ -n "$old_langlist" ] && ! $english; then
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if expr $old_langlist : ".*:$first_language:" > /dev/null ; then
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renewed_langlist=$( echo $old_langlist | sed -r "s/(.+:)($first_language:)/\2\1/" )
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elif [ ${old_langlist%%:*} = $first_language ]; then
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# no change
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renewed_langlist=$old_langlist
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else
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renewed_langlist=$first_language:$old_langlist
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fi
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else
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# build fresh list with 'en' as the last element
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# no other languages needed if English was selected
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renewed_langlist=$first_language
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[ $first_language != 'en' ] && renewed_langlist=$renewed_langlist:en
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fi
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echo $renewed_langlist
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