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annotate moefetch.sh @ 234:58ad057cd2ec

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- Fix for openssl output parser for generating hashed password - Ensuring usage of POSIX-only subsets of GNU tools capability
author Edho P. Arief <me@myconan.net>
date Thu, 08 Apr 2010 16:30:29 +0700
parents 5438d80244a3
children 649b7d4b056a
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1 #!/bin/sh
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2
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3 # Copyright (c) 2009, edogawaconan <me@myconan.net>
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4 #
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5 # Permission to use, copy, modify, and/or distribute this software for any
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6 # purpose with or without fee is hereby granted, provided that the above
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7 # copyright notice and this permission notice appear in all copies.
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8 #
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9 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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10 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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11 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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12 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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13 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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14 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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15 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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16 #
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17 # Lots of bugs here. Use with care
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18 # USE WITH CARE
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19 #
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20 # what it does: fetch every picture that has the specified TAGS.
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21 # requirement: wget, libxslt, openssl
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22
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23 # program additional paths for: cut, sed, wc, openssl, wget, xsltproc, grep
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24 ADDITIONAL_PATH=
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25
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26 # default server address. Danbooru only! I do not take responsibility of stupidity.
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27 DEFAULT_SITE="moe.imouto.org"
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28
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29 # base directory. make sure it's writeable. I do not take responsibility if you don't own the folder and files as no check is done for this one.
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30 # Structure is ${BASE_DIR}/<TAGS>
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31 # Absolute path only.
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32 # Leave empty to use whatever folder you're running this at
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33 BASE_DIR=
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34
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35 # not user modifiable from here
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36
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37 # useless welcome message. Also version
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38 msg_welcome() {
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39 echo "moefetch ${_version}
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40 Copyright (c) 2009 edogawaconan <me@myconan.net>
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41 "
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42 }
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43
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44 # Sanitize path. Totally safe. Usage: cmd "$(safe_path "${filename}")"
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45 safe_path()
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46 {
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47 # It all depends on the first character.
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48 start=$(printf "%s" "$*" | cut -c 1)
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49 path=
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50 case "${start}" in
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51 .|/) path="$*";; # . and / is safe. No change.
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52 *) path="./$*";; # Anything else must be prefixed with ./
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53 esac
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54 printf "%s" "${path}" # Return.
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55 }
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56
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57 # Checks md5. OpenSSL should be available on anything usable.
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58 get_md5() { cat "$(safe_path "${1}")" | openssl dgst -md5 | tail -n 1 | sed -e 's/.*\([[:xdigit:]]\{32\}\).*/\1/'; }
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59
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60 # Safely get basename.
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61 get_basename() { basename "$(safe_path "${1}")"; }
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62
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63 # Safely get filename (basename without the extension).
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64 get_filename() { get_basename "${1%.*}"; }
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65
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66 # Transformation for tag url.
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67 get_cleantags() { printf "%s " "$*" | sed -e 's/\&/%26/g;s/=/%3D/g'; }
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68
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69 # Returns something if not an md5 value.
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70 is_not_md5() { get_filename "$1" | sed -e 's/\([0-9a-f]\{32\}\)//g'; }
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72
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73 # fatal error handler
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74 Err_Fatal() {
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75 echo "
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76 Fatal error: ${1}"
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77 exit 1
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78 }
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79
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80 Err_Impossible() {
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81 echo "
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82 Impossible error. Or you modified content of the working directories when the script is running.
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83 Please report to moefetch.googlecode.com if you see this message (complete with entire run log)"
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84 exit 1
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85 }
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86
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87 # help message
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88 Err_Help() {
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89 echo "moefetch.sh COMMAND [-n] [-p PASSWORD] [-s SITE_URL] [-u USERNAME] TAGS
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90
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91 COMMAND:
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92 (quick)fetch:
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93 Do a complete update. Add prefix quick to skip file checking
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94 check:
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95 Get list of new files, clean up local folder and print total new files
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96
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97 OPTIONS:
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98 -n:
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99 Skip checking repository directory.
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100 -p PASSWORD:
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101 Specifies password for login.
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102 -s SITE_URL:
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103 Specify URL of the Danbooru powered site you want to leech from. Default is ${DEFAULT_SITE}.
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104 -u USERNAME:
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105 Specifies username for login.
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106 TAGS:
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107 Tags you want to download. Separated by spaces. Tag name follows standard Danbooru tagging scheme."
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108 exit 2
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109 }
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110
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111 # generate link by transforming xml
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112 Generate_Link() {
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113 echo "
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114 Fetching XML file"
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115 tempnum=1000
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116 iternum=1
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117 > "${TEMP_PREFIX}-list"
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118 while [ "${tempnum}" -ge 1000 ]; do
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119 url="http://${SITE}/post/index.xml?tags=$(get_cleantags "${TAGS}")&offset=0&limit=1000&page=${iternum}"
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120 [ ${_use_login} -eq 1 ] && url="${url}&login=${LOGIN_USER}&password_hash=${LOGIN_PASS}"
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121 wget --quiet "${url}" -O "${TEMP_PREFIX}-xml" -e continue=off || Err_Fatal "Failed download catalog file"
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122 printf "Processing XML file... "
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123 # xslt evilry
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124 xsltproc - "${TEMP_PREFIX}-xml" <<EOF | sed 's/.*\(http.*\)\(\/[a-f0-9]\{32\}\).*\.\([^\.]*\)/\1\2.\3/g' | grep ^http > "${TEMP_PREFIX}-templist"
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125 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
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126 <xsl:output method="xml" indent="yes"/>
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127 <xsl:template match="post">
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128 <xsl:value-of select="@file_url" />
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129 </xsl:template>
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130 </xsl:stylesheet>
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131 EOF
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132 tempnum=$(echo $(wc -l < "${TEMP_PREFIX}-templist"))
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133 iternum=$((iternum + 1))
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134 cat "${TEMP_PREFIX}-templist" >> "${TEMP_PREFIX}-list"
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135 echo "${tempnum} file(s) available"
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136 done
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137 numfiles=$(echo $(wc -l < "${TEMP_PREFIX}-list"))
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138 echo "${numfiles} file(s) available on server"
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139 [ "${numfiles}" -gt 0 ] || Err_Fatal "Error in processing list or no files can be found with specified tag(s) or site."
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140 }
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141
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143 progress_init() {
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144 _last="-"
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145 printf "${_last}"
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146 }
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147
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148 progress_anim() {
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149 case "${_last}" in
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150 /) _last="-";;
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151 -) _last=\\;;
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152 \\) _last=\|;;
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153 \|) _last="/";;
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154 esac
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155 printf "\b${_last}"
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156 }
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157
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158 progress_done() { printf "\bdone\n"; }
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159
200
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diff changeset
160 # getting rid of ls (as per suggestion)
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diff changeset
161 Count_Files() {
224
0ac1805621d4 fix for FreeBSD
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diff changeset
162 numfiles=0
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diff changeset
163 for dircontent in "${*}/"* "${*}/".*; do
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diff changeset
164 if [ "${dircontent}" != "${*}/*" ] || [ -e "${dircontent}" ]; then
230
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165 numfiles=$((numfiles + 1))
200
8efa600ebfdb purge ls
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diff changeset
166 fi
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diff changeset
167 done
230
e922fb1e858f - fixes on openssl output
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168 echo $((numfiles - 2))
200
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diff changeset
169 }
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diff changeset
170
159
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diff changeset
171 # check tools availability
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diff changeset
172 Check_Tools() {
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diff changeset
173 # verify all programs required do indeed exist
225
265a9ca47a19 - Replaced md5(sum) with openssl. Less platform dependent because the tool is same across platforms
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diff changeset
174 commands="cut sed wc wget xsltproc xargs rm mkdir chown comm grep date openssl"
215
710082ce6788 major cleanup part2.
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diff changeset
175 for cmd in ${commands}
159
75fe19903b74 Major cleanup
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diff changeset
176 do
215
710082ce6788 major cleanup part2.
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177 [ "$(command -v "${cmd}")" ] || Err_Fatal "${cmd} doesn't exist in ${PATH}"
159
75fe19903b74 Major cleanup
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diff changeset
178 done
75fe19903b74 Major cleanup
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diff changeset
179 }
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diff changeset
180
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diff changeset
181 # verify required folders exist and writeable
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182 Check_Folders(){
223
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diff changeset
183 [ -O "${BASE_DIR}" ] || Err_Fatal "You don't own ${BASE_DIR}. Please fix ${BASE_DIR} or run this script in your own directory."
215
710082ce6788 major cleanup part2.
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184 for directory in temp trash deleted "${SITE_DIR}/${TARGET_DIR}"; do
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185 if [ ! -d "${BASE_DIR}/${directory}" ]; then
216
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diff changeset
186 mkdir -p "${BASE_DIR}/${directory}" || Err_Impossible
159
75fe19903b74 Major cleanup
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diff changeset
187 fi
215
710082ce6788 major cleanup part2.
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diff changeset
188 if [ ! -O "${BASE_DIR}/${directory}" ]; then
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diff changeset
189 echo "You don't own the ${BASE_DIR}/${directory}, applying globally writeable permission on it"
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190 chmod -R u=rwX,g=rwX,o=rwX "${BASE_DIR}/${directory}" || Err_Impossible
159
75fe19903b74 Major cleanup
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diff changeset
191 fi
75fe19903b74 Major cleanup
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diff changeset
192 done
223
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diff changeset
193 [ "$(Count_Files "${BASE_DIR}/${SITE_DIR}/${TARGET_DIR}")" -eq 0 ] && ISNEW=1
201
30d2fb656029 scrapping grep -vf
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diff changeset
194 for i in error ok list newlist templist; do
196
4d28f3a957ee cleanup~
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diff changeset
195 touch "${TEMP_PREFIX}-${i}" || Fatal_Err "Error creating ${TEMP_PREFIX}-${i}. This shouldn't happen"
159
75fe19903b74 Major cleanup
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diff changeset
196 done
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diff changeset
197 #
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diff changeset
198 }
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diff changeset
199
187
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diff changeset
200 # Do some cleanup
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diff changeset
201 Cleanup_Repository() {
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diff changeset
202 # current dir: ${BASE_DIR}/${SITE_DIR}/${TARGET_DIR}
207
17d816a63b4c final progress version
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diff changeset
203 printf "Cleaning up repository folder... "
228
5d3a0645b504 - Restructured some things.
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diff changeset
204 progress_init
215
710082ce6788 major cleanup part2.
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diff changeset
205 trash_dir="${BASE_DIR}/trash/${trash_dir}/$(date -u "+${SITE_DIR}-${TARGET_DIR}-%Y%m%d-%H.%M")"
710082ce6788 major cleanup part2.
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diff changeset
206 trashes="These files have been moved to ${trash_dir}:"
710082ce6788 major cleanup part2.
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diff changeset
207 has_trash=
223
04ad0b0a3c63 revert back to [
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diff changeset
208 if [ ! -d "${trash_dir}" ]; then
216
a869987c4646 did I say 'mess up'?
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diff changeset
209 mkdir -p "${trash_dir}" || Err_Impossible
215
710082ce6788 major cleanup part2.
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parents: 214
diff changeset
210 else
223
04ad0b0a3c63 revert back to [
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parents: 222
diff changeset
211 if [ ! -O "${trash_dir}" ]; then
215
710082ce6788 major cleanup part2.
edhoprima@gmail.com <edhoprima@gmail.com>
parents: 214
diff changeset
212 chmod -R u=rwX,g=rwX,o=rwX "${BASE_DIR}/${directory}" || Err_Impossible
710082ce6788 major cleanup part2.
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parents: 214
diff changeset
213 fi
710082ce6788 major cleanup part2.
edhoprima@gmail.com <edhoprima@gmail.com>
parents: 214
diff changeset
214 fi
710082ce6788 major cleanup part2.
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parents: 214
diff changeset
215 for trash in "${BASE_DIR}/${SITE_DIR}/${TARGET_DIR}/"*
187
efd957294c8c refactoring. cleanup. etc.
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parents: 186
diff changeset
216 do
215
710082ce6788 major cleanup part2.
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diff changeset
217 is_trash=
228
5d3a0645b504 - Restructured some things.
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diff changeset
218 if [ -d "${trash}" ] || [ -n "$(is_not_md5 "${trash}")" ] || [ -z "$(grep "$(get_basename "${trash}")" "${TEMP_PREFIX}-list")" ]; then
215
710082ce6788 major cleanup part2.
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diff changeset
219 is_trash=1
710082ce6788 major cleanup part2.
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diff changeset
220 has_trash=1
225
265a9ca47a19 - Replaced md5(sum) with openssl. Less platform dependent because the tool is same across platforms
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diff changeset
221 mv -f -- "${trash}" "${trash_dir}" || Err_Impossible
215
710082ce6788 major cleanup part2.
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diff changeset
222 trashes="${trashes}
225
265a9ca47a19 - Replaced md5(sum) with openssl. Less platform dependent because the tool is same across platforms
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diff changeset
223 $(get_basename "${trash}")"
187
efd957294c8c refactoring. cleanup. etc.
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diff changeset
224 fi
228
5d3a0645b504 - Restructured some things.
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diff changeset
225 progress_anim
187
efd957294c8c refactoring. cleanup. etc.
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diff changeset
226 done
215
710082ce6788 major cleanup part2.
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diff changeset
227 rmdir "${trash_dir}" 2>/dev/null
228
5d3a0645b504 - Restructured some things.
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parents: 227
diff changeset
228 progress_done
223
04ad0b0a3c63 revert back to [
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diff changeset
229 [ -n "${has_trash}" ] && echo "${trashes}"
187
efd957294c8c refactoring. cleanup. etc.
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diff changeset
230 }
efd957294c8c refactoring. cleanup. etc.
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diff changeset
231
159
75fe19903b74 Major cleanup
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diff changeset
232 # check files correctness
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diff changeset
233 Check_Files() {
223
04ad0b0a3c63 revert back to [
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diff changeset
234 if [ ! -n "${ISNEW}" ]; then
04ad0b0a3c63 revert back to [
edhoprima@gmail.com <edhoprima@gmail.com>
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diff changeset
235 [ -z "${NOCLEAN}" ] && Cleanup_Repository
207
17d816a63b4c final progress version
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parents: 206
diff changeset
236 printf "Checking for errors... "
228
5d3a0645b504 - Restructured some things.
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diff changeset
237 progress_init
232
5438d80244a3 - version bump
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diff changeset
238 files_error="These files do not match its md5:"
5438d80244a3 - version bump
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diff changeset
239 files_notdanbooru="These files are not checked:"
5438d80244a3 - version bump
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diff changeset
240 has_err_filename=
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diff changeset
241 has_err_md5=
196
4d28f3a957ee cleanup~
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parents: 195
diff changeset
242 > "${TEMP_PREFIX}-error"
214
a6624fb9b317 major cleanup. tweaking.
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diff changeset
243 > "${TEMP_PREFIX}-ok"
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diff changeset
244 for file in "${BASE_DIR}/${SITE_DIR}/${TARGET_DIR}/"*
159
75fe19903b74 Major cleanup
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parents: 158
diff changeset
245 do
223
04ad0b0a3c63 revert back to [
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diff changeset
246 if [ "${file}" != "${BASE_DIR}/${SITE_DIR}/${TARGET_DIR}/*" ]; then
228
5d3a0645b504 - Restructured some things.
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parents: 227
diff changeset
247 if [ -n "$(is_not_md5 "${file}")" ] || [ -d "${file}" ]; then
232
5438d80244a3 - version bump
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diff changeset
248 files_notdanbooru="${files_notdanbooru}
225
265a9ca47a19 - Replaced md5(sum) with openssl. Less platform dependent because the tool is same across platforms
edhoprima
parents: 224
diff changeset
249 $(get_basename "${file}")"
232
5438d80244a3 - version bump
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diff changeset
250 has_err_filename=1
214
a6624fb9b317 major cleanup. tweaking.
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parents: 213
diff changeset
251 else
225
265a9ca47a19 - Replaced md5(sum) with openssl. Less platform dependent because the tool is same across platforms
edhoprima
parents: 224
diff changeset
252 if [ "$(get_md5 "${file}")" = "$(get_filename "${file}")" ]; then
265a9ca47a19 - Replaced md5(sum) with openssl. Less platform dependent because the tool is same across platforms
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diff changeset
253 echo "$(get_basename "${file}")" >> "${TEMP_PREFIX}-ok"
217
77cd21d714f6 screwup fix
edhoprima@gmail.com <edhoprima@gmail.com>
parents: 216
diff changeset
254 else
77cd21d714f6 screwup fix
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parents: 216
diff changeset
255 rm "${file}" || Err_Fatal "Error removing ${file}"
225
265a9ca47a19 - Replaced md5(sum) with openssl. Less platform dependent because the tool is same across platforms
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parents: 224
diff changeset
256 echo "$(get_basename "${file}")" >> "${TEMP_PREFIX}-error"
232
5438d80244a3 - version bump
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parents: 231
diff changeset
257 files_error="${files_error}
225
265a9ca47a19 - Replaced md5(sum) with openssl. Less platform dependent because the tool is same across platforms
edhoprima
parents: 224
diff changeset
258 $(get_basename "${file}")"
232
5438d80244a3 - version bump
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parents: 231
diff changeset
259 has_err_md5=1
217
77cd21d714f6 screwup fix
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parents: 216
diff changeset
260 fi
187
efd957294c8c refactoring. cleanup. etc.
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parents: 186
diff changeset
261 fi
148
edhoprima
parents:
diff changeset
262 fi
228
5d3a0645b504 - Restructured some things.
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parents: 227
diff changeset
263 progress_anim
148
edhoprima
parents:
diff changeset
264 done
228
5d3a0645b504 - Restructured some things.
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parents: 227
diff changeset
265 progress_done
232
5438d80244a3 - version bump
edhoprima
parents: 231
diff changeset
266 if [ ! -n "${has_err_md5}" ] && [ ! -n "${has_err_filename}" ]; then
203
edhoprima@gmail.com <edhoprima@gmail.com>
parents: 202
diff changeset
267 echo "All files OK"
170
edhoprima@gmail.com <edhoprima@gmail.com>
parents: 169
diff changeset
268 else
232
5438d80244a3 - version bump
edhoprima
parents: 231
diff changeset
269 if [ -n "${has_err_md5}" ]; then
5438d80244a3 - version bump
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parents: 231
diff changeset
270 echo "${files_error}"
214
a6624fb9b317 major cleanup. tweaking.
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parents: 213
diff changeset
271 echo "$(echo $(wc -l < "${TEMP_PREFIX}-error")) file(s) removed"
a6624fb9b317 major cleanup. tweaking.
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parents: 213
diff changeset
272 fi
232
5438d80244a3 - version bump
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diff changeset
273 [ -n "${has_err_filename}" ] && echo "${files_notdanbooru}"
170
edhoprima@gmail.com <edhoprima@gmail.com>
parents: 169
diff changeset
274 fi
214
a6624fb9b317 major cleanup. tweaking.
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parents: 213
diff changeset
275 echo "$(echo $(wc -l < "${TEMP_PREFIX}-ok")) file(s) available locally"
148
edhoprima
parents:
diff changeset
276
207
17d816a63b4c final progress version
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parents: 206
diff changeset
277 printf "Generating list of new files... "
228
5d3a0645b504 - Restructured some things.
edhoprima@gmail.com <edhoprima@gmail.com>
parents: 227
diff changeset
278 progress_init
218
aeca29670e26 broken!
edhoprima@gmail.com <edhoprima@gmail.com>
parents: 217
diff changeset
279 cp -f "${TEMP_PREFIX}-list" "${TEMP_PREFIX}-templist"
214
a6624fb9b317 major cleanup. tweaking.
edhoprima@gmail.com <edhoprima@gmail.com>
parents: 213
diff changeset
280 while read -r is_ok; do
a6624fb9b317 major cleanup. tweaking.
edhoprima@gmail.com <edhoprima@gmail.com>
parents: 213
diff changeset
281 grep -v "${is_ok}" "${TEMP_PREFIX}-templist" > "${TEMP_PREFIX}-newlist"
215
710082ce6788 major cleanup part2.
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parents: 214
diff changeset
282 cp -f "${TEMP_PREFIX}-newlist" "${TEMP_PREFIX}-templist" || Err_Impossible
228
5d3a0645b504 - Restructured some things.
edhoprima@gmail.com <edhoprima@gmail.com>
parents: 227
diff changeset
283 progress_anim
203
edhoprima@gmail.com <edhoprima@gmail.com>
parents: 202
diff changeset
284 done < "${TEMP_PREFIX}-ok"
228
5d3a0645b504 - Restructured some things.
edhoprima@gmail.com <edhoprima@gmail.com>
parents: 227
diff changeset
285 progress_done
214
a6624fb9b317 major cleanup. tweaking.
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parents: 213
diff changeset
286 echo "$(echo $(wc -l < "${TEMP_PREFIX}-newlist")) file(s) to be downloaded"
148
edhoprima
parents:
diff changeset
287 else
223
04ad0b0a3c63 revert back to [
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parents: 222
diff changeset
288 if [ -n "${ISQUICK}" ]; then
207
17d816a63b4c final progress version
edhoprima@gmail.com <edhoprima@gmail.com>
parents: 206
diff changeset
289 echo "Quick mode selected. Skipping check"
152
67df02877319 added quickfetch for skipping file checking
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parents: 151
diff changeset
290 else
67df02877319 added quickfetch for skipping file checking
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parents: 151
diff changeset
291 echo "Empty local repository"
67df02877319 added quickfetch for skipping file checking
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parents: 151
diff changeset
292 fi
200
8efa600ebfdb purge ls
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parents: 199
diff changeset
293 cat "${TEMP_PREFIX}-list" > "${TEMP_PREFIX}-newlist"
148
edhoprima
parents:
diff changeset
294 fi
edhoprima
parents:
diff changeset
295 }
edhoprima
parents:
diff changeset
296
159
75fe19903b74 Major cleanup
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parents: 158
diff changeset
297 # start downloading the images
75fe19903b74 Major cleanup
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parents: 158
diff changeset
298 Fetch_Images() {
223
04ad0b0a3c63 revert back to [
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parents: 222
diff changeset
299 if [ "$(echo $(wc -l < "${TEMP_PREFIX}-newlist"))" -eq 0 ]; then
148
edhoprima
parents:
diff changeset
300 echo "No new file"
edhoprima
parents:
diff changeset
301 else
231
4c0fd276665e - for some reason I broke the getopts logic again. Fixed
edhoprima
parents: 230
diff changeset
302 printf "Downloading files... "
160
68227a30d0b3 forgot to fix Fetch_Images to reflect new folder naming scheme
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parents: 159
diff changeset
303 cd "${BASE_DIR}/${SITE_DIR}/${TARGET_DIR}"
231
4c0fd276665e - for some reason I broke the getopts logic again. Fixed
edhoprima
parents: 230
diff changeset
304 wget -e continue=on -i "${TEMP_PREFIX}-newlist" -o "${TEMP_PREFIX}.log"
148
edhoprima
parents:
diff changeset
305 fi
edhoprima
parents:
diff changeset
306 }
edhoprima
parents:
diff changeset
307
159
75fe19903b74 Major cleanup
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parents: 158
diff changeset
308 # initialize base variables and initial command check
227
8b1f6f6b6a3b Bugfixes:
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parents: 226
diff changeset
309 init()
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310 {
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311 # path initialization
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312 # check if additional path is specified
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313 if [ -n "${ADDITIONAL_PATH}" ]
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314 then
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315 # insert the additional path
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316 PATH="${ADDITIONAL_PATH}:${PATH}"
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317 export PATH
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318 fi
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319
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320 # misc variables
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321 ISQUICK=
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322 ISNEW=
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323
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324 # minimum number of arguments: 2 (command and tag). If less than two, exit and print help message
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325 [ $# -lt 2 ] && Err_Help
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326 case "$1" in
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327 check|fetch|quickfetch)
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328 echo "Starting..."
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329 JOB="$1"
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330 ;;
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331 *)
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332 Err_Help
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333 ;;
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334 esac
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335 shift
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336 SITE=
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337 TAGS=
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338 has_pass=0
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339 has_user=0
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340 x=1
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341 while getopts "s:nu:p:" opt
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342 do
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343 case "$opt" in
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344 s) SITE="$OPTARG";;
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345 n) NOCLEAN=1;;
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346 p)
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347 LOGIN_PASS=$(printf "%s" "$OPTARG" | openssl dgst -sha1 | sed -e 's/.*\([[:xdigit:]]\{40\}\).*/\1/')
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348 has_pass=1
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349 ;;
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350 u)
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351 LOGIN_USER="$OPTARG"
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352 has_user=1
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353 ;;
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354 esac
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355 x=$OPTIND
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356 done
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357 shift $(($x-1))
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358 if [ "$1" = -- ]; then shift; fi
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359 TAGS="$@"
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360 [ -n "${SITE}" ] || SITE=${DEFAULT_SITE}
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361 [ -n "${TAGS}" ] || Err_Fatal "No tag specified"
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362 # Get base folder - default, current folder or fallback to ${HOME}
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363 [ -n "${BASE_DIR}" ] || BASE_DIR=${PWD}
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364 [ -n "${BASE_DIR}" ] || BASE_DIR=${HOME}
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365 [ -n "$(echo "${BASE_DIR}" | cut -c1 | grep \/)" ] || BASE_DIR="/${BASE_DIR}"
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366 # see if both pass and use are set. If they're set, switch _use_login variable content to 1.
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367 [ ${has_pass} -eq 1 -a ${has_user} -eq 1 ] && _use_login=1
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368
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369 echo "Tags: ${TAGS}"
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370 # slash is not wanted for folder name
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371 TARGET_DIR=$(echo "${TAGS}" | sed -e 's/\//_/g')
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372 SITE_DIR=$(echo "${SITE}" | sed -e 's/\/$//g;s/\//_/g')
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373 TEMP_PREFIX="${BASE_DIR}/temp/${SITE_DIR}-${TARGET_DIR}"
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374 }
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375
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376 # global variables goes here
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377 init_globals()
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378 {
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379 _version="1.0-rc2" # version of this script
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380 _use_login=0 # variable to check whether a login is used or not
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381 }
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382
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383 main()
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384 {
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385 # removing GNU-ism as much as possible
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386 POSIXLY_CORRECT=1
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387 #initialize global variables
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388 init_globals
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389 #print welcome message
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390 msg_welcome
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391 # initialization
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392 init "$@"
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393 Check_Tools
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394 Check_Folders
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395
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396
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397 # let's do the job!
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398 case "${JOB}" in
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399 check)
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400 Generate_Link
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401 Check_Files
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402 ;;
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403 fetch)
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404 Generate_Link
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405 Check_Files
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406 Fetch_Images
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407 ;;
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408 quickfetch)
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409 ISNEW=1
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410 ISQUICK=1
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411 Generate_Link
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412 Check_Files
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413 Fetch_Images
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414 ;;
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415 esac
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416 }
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417
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418 # call the main routine!
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419 main "$@"
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420