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1 #!/bin/sh
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2 #
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3 # compressor - module of the SliTaz Cook
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4 # Copyright (C) SliTaz GNU/Linux - GNU GPL v3
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5 #
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6
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7 . /usr/lib/slitaz/libcook.sh
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8
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9
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10 #
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11 # Functions
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12 #
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13
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14
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15 # Display time.
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16
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17 disp_time() {
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18 div=$(( ($1 + 30) / 60))
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19 case $div in
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20 0) min='';;
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21 # L10n: 'm' is for minutes (approximate time)
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22 *) min=$(_n ' ~ %dm' "$div");;
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23 esac
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24
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25 # L10n: 's' is for seconds (cooking time)
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26 _ '%ds%s' "$1" "$min"
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27 }
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28
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29
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30 # Compressor mini summary
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31
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32 comp_summary() {
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33 # "$time0" "$size0" "$size1"
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34 time1=$(date +%s)
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35 status
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36 [ "$2" -eq 0 ] && return
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37 time=$(($time1 - $1))
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38 saving=$(( ($2 - $3) / 1024 ))
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39 _ ' Time: %s. Size: %s B -> %s B. Save: %s KB' "$(disp_time $time)" "$2" "$3" "$saving"
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40 }
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41
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42
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43 # Calculating different sizes
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44
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45 sizes() {
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46 case $1 in
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47 man) find $install/usr/share/man -type f -exec ls -l \{\} \; ;;
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48 png) find $install -type f -name '*.png' -exec ls -l \{\} \; ;;
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49 svg) find $install -type f -name '*.svg' -exec ls -l \{\} \; ;;
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50 xml) find $install -type f \( -name '*.ui' -o -name '*.glade' \) -exec ls -l \{\} \; ;;
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51 des) find $install -type f -name '*.desktop' -exec ls -l \{\} \; ;;
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52 mo1) find $install -type f -name '*.mo' -exec ls -l \{\} \; ;;
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53 loc) find $install/usr/share/i18n/locales -type f -exec ls -l \{\} \; ;;
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54 mo2) find $fs/usr/share/locale -type f -name '*.mo' -exec ls -l \{\} \; ;;
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55 esac | awk '{s+=$5}END{print s}'
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56 }
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57
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58
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59 # Function to compress all man pages
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60 # Compressing can be disabled with COOKOPTS="!manz"
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61
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62 compress_manpages() {
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63 time0=$(date +%s)
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64 [ "${COOKOPTS/!manz/}" != "$COOKOPTS" ] && return
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65 manpath="$install/usr/share/man"
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66 [ -d "$manpath" ] || return
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67 size0=$(sizes man); [ -z "$size0" ] && return
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68
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69 action 'Compressing man pages...'
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70
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71 # We'll use only Gzip compression, so decompress other formats first
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72 find $manpath -type f -name '*.bz2' -exec bunzip2 \{\} \;
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73 find $manpath -type f -name '*.xz' -exec unxz \{\} \;
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74
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75 # Fast compress with gzip
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76 find $manpath -type f -name '*.[1-9]*' -exec gzip \{\} \;
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77
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78 # Fix symlinks
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79 for i in $(find $install/usr/share/man -type l); do
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80 dest=$(readlink $i | sed 's|\.[gbx]z2*$||')
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81 link=$(echo $i | sed 's|\.[gbx]z2*$||')
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82 rm $i; ln -s $dest.gz $link.gz
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83 done
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84
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85 # Recompress with advdef (it can't compress, only recompress)
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86 tazpkg -gi advancecomp --quiet
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87 for i in $(find $install/usr/share/man -type f); do
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88 advdef -z4q $i
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89 done
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90
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91 comp_summary "$time0" "$size0" "$(sizes man)"
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92 }
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93
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94
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95 # Function used after compile_rules() to compress all png images
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96 # Compressing can be disabled with COOKOPTS="!pngz"
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97
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98 compress_png() {
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99 time0=$(date +%s)
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100 [ "${COOKOPTS/!pngz/}" != "$COOKOPTS" ] && return
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101 size0=$(sizes png); [ -z "$size0" ] && return
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102
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103 action 'Compressing png images...'
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104
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105 use_pq=true
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106 use_op=true
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107 [ "${COOKOPTS/!pngquant/}" != "$COOKOPTS" ] && use_pq=false
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108 [ "${COOKOPTS/!optipng/}" != "$COOKOPTS" ] && use_op=false
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109
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110 $use_pq && tazpkg -gi pngquant --quiet
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111 $use_op && tazpkg -gi optipng --quiet
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112
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113 oplevel=$(echo $COOKOPTS | grep 'op[0-8]' | sed 's|.*op\([0-8]\).*|\1|')
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114 [ -z "$oplevel" ] && oplevel='2'
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115 [ "$oplevel" == '8' ] && oplevel='7 -zm1-9'
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116
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117 for i in $(find $install -type f -name '*.png'); do
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118 $use_pq && pngquant -f --skip-if-larger --ext .png --speed 1 "$i"
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119 $use_op && optipng -quiet -strip all -o$oplevel "$i"
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120 done
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121
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122 comp_summary "$time0" "$size0" "$(sizes png)"
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123 }
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124
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125
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126 # Function used after compile_rules() to compress all svg images
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127 # Compressing can be disabled with COOKOPTS="!svgz"
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128
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129 compress_svg() {
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130 time0=$(date +%s)
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131 [ "${COOKOPTS/!svgz/}" != "$COOKOPTS" ] && return
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132 size0=$(sizes svg); [ -z "$size0" ] && return
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133
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134 action 'Compressing svg images...'
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135
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136 tazpkg -gi svgcleaner --quiet
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137 cleaner_log="$(mktemp)"
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138 for i in $(find $install -type f -name '*.svg'); do
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139 echo -n "$i: " >> "$cleaner_log"
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140 svgcleaner "$i" "$i" --remove-unresolved-classes false --quiet true >> "$cleaner_log"
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141 done
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142
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143 comp_summary "$time0" "$size0" "$(sizes svg)"
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144
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145 sed -i '/: $/d' "$cleaner_log"
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146 if [ -s "$cleaner_log" ]; then
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147 _ 'Cleaner warnings and errors:'
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148 awk '{printf " %s\n", $0;}' "$cleaner_log"
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149 echo
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150 fi
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151 rm "$cleaner_log"
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152 }
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153
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154
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155 # Function used after compile_rules() to shrink all *.ui and *.glade files:
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156 # remove insignificant spaces and comments
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157 # Compressing can be disabled with COOKOPTS="!uiz"
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158
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159 compress_ui() {
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160 [ "${COOKOPTS/!uiz/}" != "$COOKOPTS" ] && return
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161 [ -z "$(find $install -type f \( -name '*.ui' -o -name '*.glade' \) )" ] && return
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162
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163 action 'Compressing ui files...'
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164 size0=$(sizes xml)
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165 time0=$(date +%s)
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166 tazpkg -gi xmlstarlet --quiet
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167 temp_ui="$(mktemp)"
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168 for ui in $(find $install -type f \( -name '*.ui' -o -name '*.glade' \) ); do
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169 xmlstarlet c14n --without-comments "$ui" | xmlstarlet sel -B -t -c '*' > "$temp_ui"
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170 cat "$temp_ui" > "$ui"
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171 done
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172
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173 comp_summary "$time0" "$size0" "$(sizes xml)"
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174 rm "$temp_ui"
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175 }
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176
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177
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178 # Get list of supported locales...
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179
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180 get_supported_locales() {
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181 lpc='/slitaz-i18n/stuff/locale-pack.conf'
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182 if [ -e "$WOK$lpc" ]; then
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183 # ... from package in the local wok
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184 . "$WOK$lpc"
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185 else
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186 # ... from Hg
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187 temp_conf=$(mktemp)
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188 wget -q -O $temp_conf -T 10 "http://hg.slitaz.org/wok/raw-file/tip$lpc"
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189 if [ -s $temp_conf ]; then
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190 . $temp_conf
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191 else
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192 # Give up and use hardcoded list
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193 LOCALE_PACK="ar ca cs da de el en es fi fr hr hu id is it ja nb nl nn pl pt \
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194 pt_BR ro ru sl sv tr uk zh_CN zh_TW"
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195 fi
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196 rm $temp_conf
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197 fi
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198 echo $LOCALE_PACK
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199 }
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200
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201
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202 # Fix common errors and warnings in the .desktop files
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203 # Fixing can be disabled with COOKOPTS="!fixdesktops"
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204
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205 fix_desktop_files() {
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206 [ "${COOKOPTS/!fixdesktops/}" != "$COOKOPTS" ] && return
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207 [ -z "$(find $install -type f -name '*.desktop')" ] && return
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208
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209 size0=$(sizes des)
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210 time0=$(date +%s)
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211
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212 if [ -n "$QA" -a -z "$(which desktop-file-validate)" ]; then
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213 tazpkg -gi desktop-file-utils-extra --quiet
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214 fi
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215
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216 # The variable $LOCALE is set in cook.conf and may be overridden in the receipt.
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217 # Default value is "" (empty). That means for us that we'll use the full
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218 # list of supported locales here.
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219 [ -z "$LOCALE" ] && LOCALE=$(get_supported_locales)
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220
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221 for desktop in $(find $install -type f -name '*.desktop'); do
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222 cp "$desktop" "$desktop.orig"
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223
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224 # Sort out .desktop file (is prerequisite to correct working of `fix-desktop-file`)
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225 sdft "$desktop" -i
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226
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227 # Fix common errors in .desktop file
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228 fix-desktop-file "$desktop"
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229
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230 # Strip unsupported locales from .desktop file
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231 [ "${COOKOPTS/!i18nz/}" == "$COOKOPTS" ] &&
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232 sdft "$desktop" -i -k "$LOCALE"
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233
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234 # Extra-strip
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235 [ "${COOKOPTS/!extradesktops/}" == "$COOKOPTS" ] &&
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236 sdft "$desktop" -i -g -x -tf -r 'Keywords*' -o
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237
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238 if [ -n "$QA" ]; then
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239 # Check the rest of errors, warnings and tips
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240 _ 'QA: Checking %s...' "$(basename $desktop)"
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241 diff "$desktop.orig" "$desktop"
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242 desktop-file-validate "$desktop" | busybox fold -s
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243 echo
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244 fi
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245
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246 rm "$desktop.orig"
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247 done
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248
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249 comp_summary "$time0" "$size0" "$(sizes des)"
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250 }
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251
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252
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253 # Normalize all *.mo files: unconditionally convert to UTF-8; remove strings that are not really added
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254 # to the translation (msgid = msgstr)
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255 # Normalization can be disabled with COOKOPTS="!monorm"
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256
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257 normalize_mo() {
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258 [ "${COOKOPTS/!monorm/}" != "$COOKOPTS" ] && return
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259 [ -z "$(find $install -type f -name '*.mo')" ] && return
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260
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261 action 'Normalizing mo files...'
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262 size0=$(sizes mo1)
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263 time0=$(date +%s)
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264
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265 # Gettext functions: msgunfmt, msguniq, msgconv, msgfmt
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266 tazpkg -gi gettext --quiet
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267 # Gconv modules (convert to UTF-8)
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268 tazpkg -gi glibc-locale --quiet
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269
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270 # Process all existing *.mo files
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271 for mo in $(find "$install" -type f -name '*.mo'); do
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272 tmpfile="$(mktemp)"
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273
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274 msgunfmt "$mo" | msguniq | msgconv -o "$tmpfile" -t 'UTF-8'
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275 # add newline
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276 echo >> "$tmpfile"
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277
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278 # get Plural-Forms
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279 awk '
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280 BEGIN { skip = ""; }
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281 {
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282 if (! skip) {
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283 s = $0;
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284 gsub(/^[^\"]*\"/, "", s);
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285 gsub(/\"$/, "", s);
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286 printf("%s", s);
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287 }
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288 if (! $0) skip = "yes";
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289 }
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290 ' "$tmpfile" | sed 's|\\n|\n|g' | grep "^Plural-Forms:" > "$tmpfile.pf"
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291
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292 if ! grep -q 'msgid_plural' "$tmpfile"; then
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293 echo > "$tmpfile.pf"
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294 fi
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295
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296 # main
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297 awk -v pf="$(cat "$tmpfile.pf")" '
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298 function clean() {
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299 mode = msgctxt = msgid = msgid_plural = msgstr = msgstr0 = msgstr1 = msgstr2 = msgstr3 = msgstr4 = msgstr5 = "";
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300 }
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301
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302 function getstring() {
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303 # Skip unquoted words at the beginning (msgid, msgstr...) and get string from inside quotes
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304 s = $0;
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305 gsub(/^[^\"]*\"/, "", s);
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306 gsub(/\"$/, "", s);
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307 return s;
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308 }
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309
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310 BEGIN {
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311 printf("msgid \"\"\nmsgstr \"\"\n\"Content-Type: text/plain; charset=UTF-8\\n\"\n");
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312 if (pf)
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313 printf("\"%s\\n\"\n", pf);
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314 printf("\n");
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315 skip = 1;
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316 clean();
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317 }
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318
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319 {
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320 # Skip the entire header
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321 if (!skip) {
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322 if ($1 == "msgctxt" || $1 == "msgid" || $1 == "msgstr" || $1 == "msgid_plural")
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323 mode = $1;
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324 if ($1 == "msgstr[0]") mode = "msgstr0";
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325 if ($1 == "msgstr[1]") mode = "msgstr1";
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326 if ($1 == "msgstr[2]") mode = "msgstr2";
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327 if ($1 == "msgstr[3]") mode = "msgstr3";
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328 if ($1 == "msgstr[4]") mode = "msgstr4";
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329 if ($1 == "msgstr[5]") mode = "msgstr5";
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330
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331 if (mode == "msgctxt") msgctxt = msgctxt getstring();
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332 if (mode == "msgid") msgid = msgid getstring();
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333 if (mode == "msgstr") msgstr = msgstr getstring();
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334 if (mode == "msgid_plural") msgid_plural = msgid_plural getstring();
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335 if (mode == "msgstr0") msgstr0 = msgstr0 getstring();
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336 if (mode == "msgstr1") msgstr1 = msgstr1 getstring();
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337 if (mode == "msgstr2") msgstr2 = msgstr2 getstring();
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al@865
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338 if (mode == "msgstr3") msgstr3 = msgstr3 getstring();
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al@865
|
339 if (mode == "msgstr4") msgstr4 = msgstr4 getstring();
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al@865
|
340 if (mode == "msgstr5") msgstr5 = msgstr5 getstring();
|
al@865
|
341
|
al@865
|
342 if (! $0) {
|
al@865
|
343 if (msgid != msgstr) {
|
al@865
|
344 if (msgctxt) printf("msgctxt \"%s\"\n", msgctxt);
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al@865
|
345 printf("msgid \"%s\"\n", msgid);
|
al@865
|
346 if (msgid_plural) printf("msgid_plural \"%s\"\n", msgid_plural);
|
al@865
|
347 if (msgstr) printf("msgstr \"%s\"\n", msgstr);
|
al@865
|
348 if (msgstr0) printf("msgstr[0] \"%s\"\n", msgstr0);
|
al@865
|
349 if (msgstr1) printf("msgstr[1] \"%s\"\n", msgstr1);
|
al@865
|
350 if (msgstr2) printf("msgstr[2] \"%s\"\n", msgstr2);
|
al@865
|
351 if (msgstr3) printf("msgstr[3] \"%s\"\n", msgstr3);
|
al@865
|
352 if (msgstr4) printf("msgstr[4] \"%s\"\n", msgstr4);
|
al@865
|
353 if (msgstr5) printf("msgstr[5] \"%s\"\n", msgstr5);
|
al@865
|
354 printf("\n");
|
al@865
|
355 }
|
al@865
|
356 clean();
|
al@865
|
357 }
|
al@865
|
358 }
|
al@865
|
359 if ($0 == "") skip = "";
|
al@865
|
360 }
|
al@865
|
361 ' "$tmpfile" > "$tmpfile.awk"
|
al@865
|
362
|
al@865
|
363 msgfmt "$tmpfile.awk" -o "$tmpfile.mo"
|
al@865
|
364
|
al@865
|
365 if [ -s "$tmpfile.mo" ]; then
|
al@865
|
366 rm "$mo"; mv "$tmpfile.mo" "$mo"
|
al@865
|
367 else
|
al@865
|
368 _ 'Error processing %s' "$mo"
|
al@865
|
369 [ -e "$tmpfile.mo" ] && rm "$tmpfile.mo"
|
al@865
|
370 fi
|
al@865
|
371
|
al@865
|
372 # Clean
|
al@865
|
373 rm "$tmpfile" "$tmpfile.pf" "$tmpfile.awk"
|
al@865
|
374 done
|
al@865
|
375
|
al@865
|
376 comp_summary "$time0" "$size0" "$(sizes mo1)"
|
al@865
|
377 }
|
al@865
|
378
|
al@865
|
379
|
al@865
|
380 # Strip locale definitions: normalize whitespace and remove comments
|
al@865
|
381 # Stripping can be disabled with COOKOPTS="!locdef"
|
al@865
|
382
|
al@865
|
383 strip_locale_def() {
|
al@865
|
384 [ "${COOKOPTS/!locdef/}" != "$COOKOPTS" ] && return
|
al@865
|
385 [ ! -d "$install/usr/share/i18n/locales" ] && return
|
al@865
|
386 [ -z "$(find $install/usr/share/i18n/locales -type f)" ] && return
|
al@865
|
387
|
al@865
|
388 action 'Stripping locale definitions...'
|
al@865
|
389 size0=$(sizes loc)
|
al@865
|
390 time0=$(date +%s)
|
al@865
|
391
|
al@865
|
392 for i in $(find $install/usr/share/i18n/locales -type f); do
|
al@865
|
393 sed -i 's| | |g; s| *| |g; s|^ ||; /^%/d' $i
|
al@865
|
394 done
|
al@865
|
395
|
al@865
|
396 comp_summary "$time0" "$size0" "$(sizes loc)"
|
al@865
|
397 }
|
al@865
|
398
|
al@865
|
399
|
al@865
|
400 # Find and strip: --strip-all (-s) or --strip-debug on static libs as well
|
al@865
|
401 # as removing unneeded files like in Python packages. Cross compiled binaries
|
al@865
|
402 # must be stripped with cross-tools aka $ARCH-slitaz-*-strip
|
al@865
|
403 # Stripping can be disabled with COOKOPTS="!strip"
|
al@865
|
404
|
al@865
|
405 strip_package() {
|
al@865
|
406 [ "${COOKOPTS/!strip/}" != "$COOKOPTS" ] && return
|
al@865
|
407
|
al@865
|
408 case "$ARCH" in
|
al@865
|
409 arm*|x86_64) export STRIP="$HOST_SYSTEM-strip" ;;
|
al@865
|
410 *) export STRIP='strip' ;;
|
al@865
|
411 esac
|
al@865
|
412 action 'Executing strip on all files...'
|
al@865
|
413 size0=0
|
al@865
|
414 size1=0
|
al@865
|
415 time0=$(date +%s)
|
al@865
|
416
|
al@865
|
417 # Strip executable files
|
al@865
|
418 for dir in $fs/bin $fs/sbin $fs/usr/bin $fs/usr/sbin $fs/usr/games; do
|
al@865
|
419 if [ -d "$dir" ]; then
|
al@865
|
420 oldsize=$(find $dir -type f -exec ls -l '{}' \; | awk '{s+=$5}END{print s}')
|
al@865
|
421 find $dir -type f -exec $STRIP -s '{}' 2>/dev/null \;
|
al@865
|
422 newsize=$(find $dir -type f -exec ls -l '{}' \; | awk '{s+=$5}END{print s}')
|
al@865
|
423 size0=$((size0 + oldsize)); size1=$((size1 + newsize))
|
al@865
|
424 fi
|
al@865
|
425 done
|
al@865
|
426
|
al@865
|
427 # Strip shared and static libraries
|
al@865
|
428 # Remove Python *.pyc and *.pyo, Perl perllocal.pod and .packlist
|
al@865
|
429 oldsize=$(find $fs -type f \( \
|
al@865
|
430 -name '*.so*' -o -name '*.a' -o \
|
al@865
|
431 -name '*.pyc' -o -name '*.pyo' -o \
|
al@865
|
432 -name 'perllocal.pod' -o -name '.packlist' \) -exec ls -l '{}' \; | awk '{s+=$5}END{print s}')
|
al@865
|
433
|
al@865
|
434 find $fs -name '*.so*' -exec $STRIP -s '{}' 2>/dev/null \;
|
al@865
|
435 find $fs -name '*.a' -exec $STRIP --strip-debug '{}' 2>/dev/null \;
|
al@865
|
436 find $fs -type f \( -name '*.pyc' -o -name '*.pyo' \) -delete 2>/dev/null
|
al@865
|
437 find $fs -type f \( -name 'perllocal.pod' -o -name '.packlist' \) -delete 2>/dev/null
|
al@865
|
438
|
al@865
|
439 newsize=$(find $fs -type f \( \
|
al@865
|
440 -name '*.so*' -o -name '*.a' -o \) -exec ls -l '{}' \; | awk '{s+=$5}END{print s}')
|
al@865
|
441
|
al@865
|
442 comp_summary "$time0" "$((size0 + oldsize))" "$((size1 + newsize))"
|
al@865
|
443 }
|
al@865
|
444
|
al@865
|
445
|
al@865
|
446 # Strip unsupported locales (.mo files)
|
al@865
|
447
|
al@865
|
448 strip_mo_i18n() {
|
al@865
|
449 [ "${COOKOPTS/!i18nz/}" != "$COOKOPTS" ] && return
|
al@865
|
450
|
al@865
|
451 [ ! -d "$fs/usr/share/locale" ] && return
|
al@865
|
452 [ -z "$(find $fs/usr/share/locale -type f -name '*.mo')" ] && return
|
al@865
|
453
|
al@865
|
454 action 'Thin out translation files...'
|
al@865
|
455 size0=$(sizes mo2)
|
al@865
|
456 time0=$(date +%s)
|
al@865
|
457
|
al@865
|
458 # The variable $LOCALE is set in cook.conf and may be overridden in the receipt.
|
al@865
|
459 # Default value is "" (empty). That means for us that we'll use the full
|
al@865
|
460 # list of supported locales here.
|
al@865
|
461 [ -z "$LOCALE" ] && LOCALE=$(get_supported_locales)
|
al@865
|
462
|
al@865
|
463 # Existing locales
|
al@865
|
464 elocales=" $(ls -1 "$fs/usr/share/locale" | tr '\n' ' ') "
|
al@865
|
465
|
al@865
|
466 # Thin out the list of existing locales. At the end there will be only locales that need
|
al@865
|
467 # deleting (and the garbage like '_AU', _US', '_BR' leaving from 'en_AU', 'en_US', 'pt_BR'...)
|
al@865
|
468 for keep_locale in $LOCALE; do
|
al@865
|
469 elocales=${elocales//$keep_locale}
|
al@865
|
470 done
|
al@865
|
471
|
al@865
|
472 # Remove the unsupported locales
|
al@865
|
473 for rem_locale in $elocales; do
|
al@865
|
474 [ -d "$fs/usr/share/locale/$rem_locale" ] &&
|
al@865
|
475 rm -r "$fs/usr/share/locale/$rem_locale"
|
al@865
|
476 done
|
al@865
|
477
|
al@865
|
478 comp_summary "$time0" "$size0" "$(sizes mo2)"
|
al@865
|
479 }
|
al@865
|
480
|
al@865
|
481
|
al@865
|
482
|
al@865
|
483
|
al@865
|
484 case $1 in
|
al@865
|
485 install)
|
al@865
|
486 # Compressors working in the $install
|
al@865
|
487 case "$ARCH" in
|
al@865
|
488 arm*) ;;
|
al@865
|
489 *)
|
al@865
|
490 compress_manpages
|
al@865
|
491 compress_png
|
al@865
|
492 compress_svg
|
al@865
|
493 compress_ui
|
al@865
|
494 ;;
|
al@865
|
495 esac
|
al@865
|
496
|
al@865
|
497 fix_desktop_files
|
al@865
|
498 normalize_mo
|
al@865
|
499 strip_locale_def
|
al@865
|
500 ;;
|
al@865
|
501 fs)
|
al@865
|
502 # Compressors working in the $fs
|
al@865
|
503 strip_package
|
al@865
|
504 strip_mo_i18n
|
al@865
|
505 ;;
|
al@865
|
506 esac
|