forked from ungleich-public/cdist
[type/__localedef] Differentiate between OSes and better handling of normalized locale names
This commit is contained in:
Dennis Camera
parent
54e689f7c2
commit
cc29e54b85
1 changed files with 82 additions and 35 deletions
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@ -1,6 +1,7 @@
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#!/bin/sh -e
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#
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# 2013-2019 Nico Schottelius (nico-cdist at schottelius.org)
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# 2020 Dennis Camera (dennis.camera at ssrq-sds-fds.ch)
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#
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# This file is part of cdist.
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#
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@ -17,35 +18,16 @@
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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# Manage system locales using localedef(1).
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#
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# Let localedef do the magic
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#
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locale="$__object_id"
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# Hardcoded, create a pull request with
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# branching on $os in case it is at another location
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alias=/usr/share/locale/locale.alias
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input=$(echo "$locale" | cut -d . -f 1)
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charmap=$(echo "$locale" | cut -d . -f 2)
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# Adding locale? The name is de_CH.UTF-8
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# Removing locale? The name is de_CH.utf8.
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# W-T-F!
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locale_remove=$(echo "$locale" | sed 's/UTF-8/utf8/')
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state_is=$(cat "${__object:?}/explorer/state")
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state_should=$(cat "${__object:?}/parameter/state")
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os=$(cat "$__global/explorer/os")
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# Nothing to be done on alpine
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case "$os" in
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alpine)
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exit 0
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;;
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esac
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test "${state_should}" = 'present' -o "${state_should}" = 'absent' || {
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printf 'Invalid state: %s\n' "${state_should}" >&2
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exit 1
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}
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# NOTE: If state explorer fails (e.g. locale(1) missing), the following check
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# will always fail and let definition/removal run.
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@ -54,16 +36,81 @@ then
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exit 0
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fi
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locale=${__object_id:?}
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os=$(cat "${__global:?}/explorer/os")
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if expr "${locale}" : '.*/' >/dev/null
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then
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printf 'Paths as locales are not supported.\n' >&2
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printf '__object_id is: %s\n' "${locale}" >&2
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exit 1
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fi
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parse_locale() {
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# This function will split locales into their parts. Locale strings are
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# usually of the form: [language[_territory][.codeset][@modifier]]
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# For simplicity, language and territory are not separated by this function.
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# Old Linux systems were also using "english" or "german" as locale strings.
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# Usage: parse_locale locale_str lang_var codeset_var modifier_var
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eval "${2:?}"="$(expr "$1" : '\([^.@]*\)')"
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eval "${3:?}"="$(expr "$1" : '[^.]*\.\([^@]*\)')"
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eval "${4:?}"="$(expr "$1" : '.*@\(.*\)$')"
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}
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format_locale() {
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# Usage: format_locale language codeset modifier
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printf '%s' "$1"
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test -z "$2" || printf '.%s' "$2"
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test -z "$3" || printf '@%s' "$3"
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printf '\n'
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}
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gnu_normalize_codeset() {
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echo "$*" | tr -cd '[:alnum:]' | tr '[:upper:]' '[:lower:]'
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}
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: "${lang=}" "${codeset=}" "${modifier=}" # declare variables for shellcheck
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parse_locale "${locale}" lang codeset modifier
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case ${os}
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in
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(alpine|openwrt)
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printf '%s does not support locales.\n' "${os}" >&2
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exit 1
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;;
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(archlinux|debian|devuan|ubuntu|suse|centos|fedora|redhat|scientific)
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# FIXME: The code below only works for glibc-based installations.
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# NOTE: Hardcoded, create a pull request in case it is at another
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# location for some opther distro.
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# NOTE: locale.alias can be symlinked (e.g. Debian)
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aliasfile='/usr/share/locale/locale.alias'
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case ${state_should}
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in
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present)
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echo localedef -A "$alias" -f "$charmap" -i "$input" "$locale"
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(present)
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input=$(format_locale "${lang}" '' "${modifier}")
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cat <<-EOF
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set --
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if test -e '${aliasfile}'
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then
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set -- -A '${aliasfile}'
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fi
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localedef -i '${input}' -f '${codeset}' "\$@" '${locale}'
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EOF
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;;
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absent)
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echo localedef --delete-from-archive "$locale_remove"
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(absent)
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localename=$(format_locale "${lang}" "$(gnu_normalize_codeset "${codeset}")" "${modifier}")
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printf "localedef --delete-from-archive '%s'\n" "${localename}"
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;;
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*)
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echo "Unsupported state: $state" >&2
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esac
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;;
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(*)
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echo "Your operating system (${os}) is currently not supported by this type (${__type##*/})." >&2
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echo "Please contribute an implementation for it if you can." >&2
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exit 1
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;;
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esac
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