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1 #!/bin/sh
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2 # TazPkg - Tiny autonomous zone packages manager, hg.slitaz.org/tazpkg
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3 # recharge - TazPkg module
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4 # Recharge packages databases from a mirror
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5
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6
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7 # Options:
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8 # [main|<repository>] Repository name to recharge (all if empty)
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9
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10 # Environment variables:
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11 # root Root of the packages DB
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12 # UA User Agent string ("TazPkg-<version>")
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13
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14
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15 # Connect function libraries
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16 . /lib/libtaz.sh
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17
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18 # Get TazPkg working environment
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19 . @@MODULES@@/getenv
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20
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21
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22
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23
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24 # Functions
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25 # ---------
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26
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27 # Download a file from specified mirror
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28
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29 get_from_mirror() {
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30 case "$mirror" in
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31 http://* | https://* | ftp://*)
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32 busybox wget -c -q -T 30 -U "$UA" "$mirror$1" 2>/dev/null;;
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33 *)
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34 ln -sf "$mirror$1" .;;
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35 esac
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36 status
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37 }
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38
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39
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40 # When recharging errors occur
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41
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42 recharging_failed() {
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43 # Restore database from bak files
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44 action 'Restoring database files...'
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45 [ -e 'ID' -a ! -e 'ID.bak' ] && rm ID
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46 [ -e 'IDs' -a ! -e 'IDs.bak' ] && rm IDs
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47 for file in $(ls "$1"/*.bak); do
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48 mv -f "$file" "${file%.bak}"
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49 done
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50 status
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51
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52 footer "$(colorize 31 "$(_ 'Recharging failed')")"
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53 }
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54
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55
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56
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57
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58 REPO="$1"
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59
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60 # What to recharge: main, or all, or selected undigest
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61 case "$REPO" in
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62 main) repo_to_recharge="$PKGS_DB";;
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63 '') repo_to_recharge="$PKGS_DB $PKGS_DB/undigest/*";;
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64 *) repo_to_recharge="$PKGS_DB/undigest/$REPO"
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65 if [ ! -d "$repo_to_recharge" ]; then
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66 _ "Repository \"%s\" doesn't exist." "$repo_to_recharge" >&2
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67 exit 1
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68 fi
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69 ;;
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70 esac
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71
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72 for path in $repo_to_recharge; do
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73 [ ! -f "$path/mirror" ] && continue # skip
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74 cd "$path"
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75 # Mirror URL will have a trailing slash
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76 mirror=$(cat mirror); mirror="${mirror%/}/"
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77
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78 # Repository name
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79 if [ "$path" == "$PKGS_DB" ]; then
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80 repo_name='Main'
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81 else
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82 repo_name="$(_n 'Undigest %s' "$(basename "$path")")"
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83 fi
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84
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85 title 'Recharging repository "%s"' "$repo_name"
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86
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87 # Don't let ID be a symlink when using local repository.
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88 if [ -h ID ]; then mv -f ID ID.lnk; cat ID.lnk > ID; rm ID.lnk; fi
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89 if [ -h IDs ]; then mv -f IDs IDs.lnk; cat IDs.lnk > IDs; rm IDs.lnk; fi
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90
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91 [ -f ID ] && mv ID ID.bak # Compatibility with "old" ID
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92 [ -f IDs ] && mv IDs IDs.bak
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93 action 'Checking...'
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94 get_from_mirror IDs
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95
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96 [ -e 'IDs' ] && awk '{print $1}' IDs > ID # Compatibility with "old" ID
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97 [ -e 'IDs' ] && _ 'Database timestamp: %s' "$(date -d "@$(awk '{print $2}' IDs)" "+%x %R")"
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98
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99 # Check if recharging is needed
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100 if [ -f 'IDs' ] && [ -f 'packages.info' ] && [ -f 'files.list.lzma' ] && \
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101 cmp -s IDs IDs.bak; then
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102 footer "$(_ 'Repository "%s" is up to date.' "$repo_name")"
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103 rm IDs.bak ID.bak
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104 continue
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105 fi
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106 rm IDs.bak ID.bak 2>/dev/null
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107
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108 action 'Creating backup of the last packages list...'
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109 for i in packages.desc packages.$SUM packages.txt packages.list \
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110 packages.equiv files.list.lzma extra.list mirrors packages.info; do
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111 [ -f "$i" ] && mv -f $i $i.bak 2>/dev/null
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112 done
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113 # Always "[ Done ]"
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114 :; status
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115
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116 # Download and extract bundle: extra.list, mirrors, files-list.md5,
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117 # packages.{info,desc,md5,txt,list,equiv}
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118 bundle='bundle.tar.lzma'
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119 action 'Getting "%s"...' "$bundle"
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120 get_from_mirror "$bundle"
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121 if [ -f "$bundle" ]; then
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122 busybox tar -xaf "$bundle"; rm "$bundle"
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123 else
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124 recharging_failed "$path"; continue
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125 fi
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126
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127 # Download files.list.lzma
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128 files_local='files.list.lzma'; files_remote='files-list.lzma'
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129 if [ -e "$files_local.bak" ]; then
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130 md5sum "$files_local.bak" | awk '{printf $1}' > files-list.md5.bak
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131 if cmp -s files-list.md5 files-list.md5.bak; then
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132 mv "$files_local.bak" "$files_remote"
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133 else
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134 action 'Getting "%s"...' "$files_remote"
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135 get_from_mirror "$files_remote"
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136 fi
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137 else
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138 action 'Getting "%s"...' "$files_remote"
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139 get_from_mirror "$files_remote"
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140 fi
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141
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142 if [ ! -e "$files_remote" ]; then
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143 recharging_failed "$path"; continue
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144 fi
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145 mv -f "$files_remote" "$files_local"
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146
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147 # Remove old database files (but packages.list.bak, extra.list.bak)
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148 for i in packages.desc packages.$SUM packages.txt packages.equiv \
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149 files.list.lzma mirrors packages.info files-list.md5; do
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150 [ -f "$i.bak" ] && rm $i.bak 2>/dev/null
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151 done
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152
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153 footer "$(_ 'Last database is ready to use.')"
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154
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155 # Check diff
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156 if [ -f 'packages.list.bak' ]; then
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157 diff -u packages.list.bak packages.list | grep ^+[a-z] > packages.diff
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158 rm packages.list.bak
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159 if [ -f 'extra.list.bak' ]; then
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160 if [ -f 'extra.list' ]; then
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161 awk -F'|' '{print $1 " (extra)"}' extra.list > extra.list1
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162 awk -F'|' '{print $1 " (extra)"}' extra.list.bak > extra.list1.bak
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163 diff -u extra.list1.bak extra.list1 | grep ^+[a-z] >> packages.diff
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164 rm extra.list.bak extra.list1 extra.list1.bak
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165 else
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166 mv extra.list.bak extra.list
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167 fi
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168 fi
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169 sed -i s/+// packages.diff
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170
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171 new_pkgs=$(wc -l < packages.diff)
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172 if [ "$new_pkgs" -gt 0 ]; then
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173 title 'Mirrored packages diff'
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174 cat packages.diff
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175 footer "$(emsg "$(_p \
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176 '%s new package on the mirror.' \
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177 '%s new packages on the mirror.' "$new_pkgs" \
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178 "<c 32>$new_pkgs</c>")")"
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179 fi
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180 else
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181 longline "$(_ "Note that next time you recharge the list, a list of \
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182 differences will be displayed to show new and upgradeable packages.")"
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183 fi
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184 done
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185 newline
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186
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187 # Close tazpkg-notify
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188 echo "quit" > /tmp/tazpkg-notify.fifo
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