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|
#!/bin/bash
#
# Kind of a generic message generation thing. Hooks in /opt/openslx/system-check/hooks.d
# are passed the location of the lightdm warning file on execution. They can either
# ignore it (e.g. for remote logging purposes) or just append tags to that file.
# The tags are defined in /opt/openslx/system-check/tags and will be replaced
# by their localized version automatically.
. /opt/openslx/bin/slx-tools
declare -rg root_dir="/opt/openslx/system-check"
generate_messages() {
local lang f hook_dir lang_dir dm_warning_tmp dm_warning_file
hook_dir="${root_dir}/hooks.d"
lang_dir=
# determine lang. Ignore current environment to make sure we use the system setting
for f in "/etc/default/locale" "/etc/environment"; do
lang="$( unset LANG; . "$f" &> /dev/null; [ -n "$LANG" ] && echo "${LANG:0:2}" || echo "${LANGUAGE}" )"
if [ -d "${root_dir}/lang/${lang}" ]; then
lang_dir="${root_dir}/lang/${lang}"
break
fi
done
[ -z "$lang_dir" ] && lang_dir="${root_dir}/lang/en"
# Determine which file to put final messages into
dm_warning_file="$( \
awk -F'=' '$1 == "greeter-message-file" {print $2}' \
/etc/lightdm/qt-lightdm-greeter.conf /etc/lightdm/qt-lightdm-greeter.conf.d/* \
| tail -n 1)"
[ -z "$dm_warning_file" ] && dm_warning_file="/run/hw-warnings.log"
dm_warning_tmp="$(mktemp)"
# Run hooks that will generate all the warnings
if [ ! -d "$hook_dir" ]; then
echo "Missing '$hook_dir' - dev failure?"
return 1
fi
for file in "$hook_dir"/*; do
[ -s "$file" ] || continue
[ -x "$file" ] || continue
"$file" &
done > "$dm_warning_tmp"
wait
# post-process, dm_warning_tmp contains just tags now
# check in /opt/openslx/messages/{lang,tags}
local blacklist="${root_dir}/blacklist"
local color do_contact
while read -r tag rest; do
old_IFS="$IFS"
IFS='|' tag_with_params=($tag)
IFS="$old_IFS"
# blacklisted?
grep -qFx "${tag_with_params[0]}" "$blacklist" && continue
# "meta" info?
[ -s "${root_dir}/tags/${tag_with_params[0]}" ] && \
. "${root_dir}/tags/${tag_with_params[0]}"
print_tag "${color:-000000}" "${tag_with_params[@]}" \
>> "$dm_warning_file"
# contact?
[ -n "$contact" ] && do_contact="yes"
done < "$dm_warning_tmp"
# add contact footer if needed
local support_tag="slx-contact-support"
if [ -n "$do_contact" ]; then
[ -s "${root_dir}/tags/${support_tag}" ] && \
. "${root_dir}/tags/${support_tag}"
print_tag "${color:-000000}" "${support_tag}" \
>> "$dm_warning_file"
fi
}
# print_tag <prefix> <file> <vars...>
print_tag() {
[ "$#" -ge 2 ] || return 1
regex_imatch "$1" '^[0-9a-f]{6}$' || return 1
local prefix="$1"
shift
# since we fully pass the parsed tag as array, the first param
# is the tag name, the rest are the variables to substitute %i% with.
local tag="$1"
shift
# get localized message for this tag
local file="${lang_dir}/${tag}"
if [ ! -f "$file" ]; then
# fallback
echo "000000" "Missing translation for '$tag' in '$lang_dir'."
return 1
fi
while read -r line; do
line_cur="$line"
# go over vars and replace %i% with them
local count=1
while [ "$#" -ne 0 ]; do
line_cur="${line_cur//%${count}%/${1}}"
shift
(( count++ ))
done
echo "$prefix" "$line_cur"
done < "$file"
}
generate_messages
exit 0
|
