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annotate sources/download_functions.sh @ 1552:c3b91b70cc42

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Remove USE_ALT option, I have a better idea (upcoming patch).
author Rob Landley <rob@landley.net>
date Tue, 30 Oct 2012 19:55:35 -0500
parents 90e6bdb0204b
children da21ff27331e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/bin/echo "This file is sourced, not run"
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2
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3 # Remove version information and extension tarball name "$1".
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4 # If "$2", add that version number back, keeping original extension.
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5
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6 noversion()
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7 {
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8 LOGRUS='s/-*\(\([0-9\.]\)*\([_-]rc\)*\(-pre\)*\([0-9][a-zA-Z]\)*\)*\(\.tar\(\..z2*\)*\)$'
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9 [ -z "$2" ] && LOGRUS="$LOGRUS//" || LOGRUS="$LOGRUS/$2\\6/"
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10
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11 echo "$1" | sed -e "$LOGRUS"
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12 }
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13
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14 # Apply any patches to this package
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15 patch_package()
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16 {
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17 ls "$PATCHDIR/${PACKAGE}"-*.patch 2> /dev/null | sort | while read i
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18 do
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19 if [ -f "$i" ]
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20 then
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21 echo "Applying $i"
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22 (cd "${SRCTREE}/${PACKAGE}" &&
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23 patch -p1 -i "$i" &&
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24 sha1file "$i" >> "$SHA1FILE") ||
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25 if [ -z "$ALLOW_PATCH_FAILURE" ]
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26 then
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27 dienow
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28 fi
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29 fi
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30 done
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31 }
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32
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33 # Get the tarball for this package
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34
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35 find_package_tarball()
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36 {
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37 # If there are multiple similar files we want the newest timestamp, in case
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38 # the URL just got upgraded but cleanup_oldfiles hasn't run yet. Be able to
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39 # distinguish "package-123.tar.bz2" from "package-tests-123.tar.bz2" and
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40 # return the shorter one reliably.
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41
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42 ls -tc "$SRCDIR/$1-"*.tar* 2>/dev/null | while read i
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43 do
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44 if [ "$(noversion "${i/*\//}")" == "$1" ]
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45 then
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46 echo "$i"
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47 break
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48 fi
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49 done
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50 }
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51
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52 # Extract tarball named in $1 and apply all relevant patches into
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53 # "$BUILD/packages/$1". Record sha1sum of tarball and patch files in
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54 # sha1-for-source.txt. Re-extract if tarball or patches change.
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55
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56 extract_package()
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57 {
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58 mkdir -p "$SRCTREE" || dienow
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59
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60 PACKAGE="$1"
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61
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62 # Announce to the world that we're cracking open a new package
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63
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64 announce "$PACKAGE"
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65
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66 # Find tarball, and determine type
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67
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68 FILENAME="$(find_package_tarball "$PACKAGE")"
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69 DECOMPRESS=""
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70 [ "$FILENAME" != "${FILENAME/%\.tar\.bz2/}" ] && DECOMPRESS="j"
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71 [ "$FILENAME" != "${FILENAME/%\.tar\.gz/}" ] && DECOMPRESS="z"
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72
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73 # If the source tarball doesn't exist, but the extracted directory is there,
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74 # assume everything's ok.
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75
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76 SHA1NAME="sha1-for-source.txt"
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77 SHA1FILE="$SRCTREE/$PACKAGE/$SHA1NAME"
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78 if [ -z "$FILENAME" ]
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79 then
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80 if [ ! -e "$SRCTREE/$PACKAGE" ]
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81 then
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82 echo "No tarball for $PACKAGE" >&2
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83 dienow
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84 fi
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85
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86 # If the sha1sum file isn't there, re-patch the package.
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87 [ ! -e "$SHA1FILE" ] && patch_package
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88 return 0
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89 fi
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90
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91 # Check the sha1 list from the previous extract. If the source is already
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92 # up to date (including patches), keep it.
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93
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94 SHA1TAR="$(sha1file "$FILENAME")"
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95 SHALIST=$(cat "$SHA1FILE" 2> /dev/null)
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96 if [ ! -z "$SHALIST" ]
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97 then
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98 for i in "$SHA1TAR" $(sha1file "$PATCHDIR/$PACKAGE"-* 2>/dev/null)
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99 do
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100 # Is this sha1 in the file?
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101 if [ -z "$(echo "$SHALIST" | sed -n "s/$i/$i/p" )" ]
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102 then
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103 SHALIST=missing
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104 break
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105 fi
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106 # Remove it
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107 SHALIST="$(echo "$SHALIST" | sed "s/$i//" )"
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108 done
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109 # If we matched all the sha1sums, nothing more to do.
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110 [ -z "$SHALIST" ] && return 0
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111 fi
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112
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113 # Re-extract the package, deleting the old one (if any)..
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114
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115 echo -n "Extracting '$PACKAGE'"
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116 (
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117 UNIQUE=$(readlink /proc/self)
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118 trap 'rm -rf "$BUILD/temp-'$UNIQUE'"' EXIT
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119 rm -rf "$SRCTREE/$PACKAGE" 2>/dev/null
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120 mkdir -p "$BUILD/temp-$UNIQUE" "$SRCTREE" || dienow
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121
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122 { tar -xv${DECOMPRESS} -f "$FILENAME" -C "$BUILD/temp-$UNIQUE" &&
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123 # Wildcards only expand when they ponit to something that exists,
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124 # and even then they have to be an argument to a command.
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125 TARDIR="$(readlink -f "$BUILD/temp-$UNIQUE"/*)" &&
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126 touch "$TARDIR/$SHA1NAME"
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127 } | dotprogress
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128
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129 [ -e "$BUILD/temp-$UNIQUE"/*/"$SHA1NAME" ] &&
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130 mv "$BUILD/temp-$UNIQUE/"* "$SRCTREE/$PACKAGE" &&
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131 echo "$SHA1TAR" >> "$SHA1FILE"
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132 )
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133
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134 [ $? -ne 0 ] && dienow
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parents:
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135
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
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136 patch_package
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Rob Landley <rob@landley.net>
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137 }
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
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138
d4b251e78fc0 Break out download_functions.sh into their own file.
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139 # Confirm that a file has the appropriate checksum (or exists but SHA1 is blank)
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140 # Delete invalid file.
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Rob Landley <rob@landley.net>
parents:
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141
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Rob Landley <rob@landley.net>
parents:
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142 confirm_checksum()
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Rob Landley <rob@landley.net>
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143 {
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144 SUM="$(sha1file "$SRCDIR/$FILENAME" 2>/dev/null)"
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145 if [ x"$SUM" == x"$SHA1" ] || [ -z "$SHA1" ] && [ -f "$SRCDIR/$FILENAME" ]
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146 then
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147 if [ -z "$SHA1" ]
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148 then
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Rob Landley <rob@landley.net>
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149 echo "No SHA1 for $FILENAME ($SUM)"
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150 else
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151 echo "Confirmed $FILENAME"
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152 fi
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153
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Rob Landley <rob@landley.net>
parents:
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154 # Preemptively extract source packages?
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155
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Rob Landley <rob@landley.net>
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156 [ -z "$EXTRACT_ALL" ] && return 0
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157 extract_package "$BASENAME"
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158 return $?
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parents:
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159 fi
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Rob Landley <rob@landley.net>
parents:
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160
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
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161 # If there's a corrupted file, delete it. In theory it would be nice
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Rob Landley <rob@landley.net>
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162 # to resume downloads, but wget creates "*.1" files instead.
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163
1486
d398569effd2 Suppress some warnings.
Rob Landley <rob@landley.net>
parents: 1461
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164 rm -f "$SRCDIR/$FILENAME"
1253
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165
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166 return 1
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167 }
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parents:
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168
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169 # Attempt to obtain file from a specific location
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170
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171 download_from()
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172 {
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173 # Return success if we already have a valid copy of the file
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174
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175 confirm_checksum && return 0
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176
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177 # If we have another source, try to download file from there.
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178
d4b251e78fc0 Break out download_functions.sh into their own file.
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179 [ -z "$1" ] && return 1
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180 wget -t 2 -T 20 -O "$SRCDIR/$FILENAME" "$1" ||
1486
d398569effd2 Suppress some warnings.
Rob Landley <rob@landley.net>
parents: 1461
diff changeset
181 (rm -f "$SRCDIR/$FILENAME"; return 2)
1253
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182 touch -c "$SRCDIR/$FILENAME"
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parents:
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183
d4b251e78fc0 Break out download_functions.sh into their own file.
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parents:
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184 confirm_checksum
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Rob Landley <rob@landley.net>
parents:
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185 }
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
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186
d4b251e78fc0 Break out download_functions.sh into their own file.
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parents:
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187 # Confirm a file matches sha1sum, else try to download it from mirror list.
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Rob Landley <rob@landley.net>
parents:
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188
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
189 download()
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
190 {
d4b251e78fc0 Break out download_functions.sh into their own file.
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191 FILENAME=`echo "$URL" | sed 's .*/ '`
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192 [ -z "$RENAME" ] || FILENAME="$(echo "$FILENAME" | sed -r "$RENAME")"
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parents:
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193
1335
ffb07a48a960 If sha1sum isn't installed, download falls back through all the mirrors repeatedly downloading stuff, without explaining why it failed.
Rob Landley <rob@landley.net>
parents: 1300
diff changeset
194 if [ -z "$(sha1sum < /dev/null)" ]
ffb07a48a960 If sha1sum isn't installed, download falls back through all the mirrors repeatedly downloading stuff, without explaining why it failed.
Rob Landley <rob@landley.net>
parents: 1300
diff changeset
195 then
ffb07a48a960 If sha1sum isn't installed, download falls back through all the mirrors repeatedly downloading stuff, without explaining why it failed.
Rob Landley <rob@landley.net>
parents: 1300
diff changeset
196 echo "Error: please install sha1sum" >&2
ffb07a48a960 If sha1sum isn't installed, download falls back through all the mirrors repeatedly downloading stuff, without explaining why it failed.
Rob Landley <rob@landley.net>
parents: 1300
diff changeset
197 exit 1
ffb07a48a960 If sha1sum isn't installed, download falls back through all the mirrors repeatedly downloading stuff, without explaining why it failed.
Rob Landley <rob@landley.net>
parents: 1300
diff changeset
198 fi
ffb07a48a960 If sha1sum isn't installed, download falls back through all the mirrors repeatedly downloading stuff, without explaining why it failed.
Rob Landley <rob@landley.net>
parents: 1300
diff changeset
199
1253
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
200 echo -ne "checking $FILENAME\r"
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
201
1552
c3b91b70cc42 Remove USE_ALT option, I have a better idea (upcoming patch).
Rob Landley <rob@landley.net>
parents: 1540
diff changeset
202 # Update timestamp on tarball (if it exists) so cleanup_oldfiles keeps it
1253
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
203
1552
c3b91b70cc42 Remove USE_ALT option, I have a better idea (upcoming patch).
Rob Landley <rob@landley.net>
parents: 1540
diff changeset
204 touch -c "$SRCDIR"/"$FILENAME" 2>/dev/null
1253
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
205
d4b251e78fc0 Break out download_functions.sh into their own file.
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parents:
diff changeset
206 # Give package name, minus file's version number and archive extension.
1257
1461d20bb6a7 Genericize the noversion() regex a bit, and make sure to only apply patches in the sources/patches directory that end in ".patch".
Rob Landley <rob@landley.net>
parents: 1253
diff changeset
207 BASENAME="$(noversion "$FILENAME")"
1253
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
208
d4b251e78fc0 Break out download_functions.sh into their own file.
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parents:
diff changeset
209 # If environment variable specifies a preferred mirror, try that first.
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
210
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
211 if [ ! -z "$PREFERRED_MIRROR" ]
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
212 then
d4b251e78fc0 Break out download_functions.sh into their own file.
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parents:
diff changeset
213 download_from "$PREFERRED_MIRROR/$FILENAME" && return 0
d4b251e78fc0 Break out download_functions.sh into their own file.
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parents:
diff changeset
214 fi
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Rob Landley <rob@landley.net>
parents:
diff changeset
215
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
216 # Try original location, then mirrors.
d4b251e78fc0 Break out download_functions.sh into their own file.
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parents:
diff changeset
217 # Note: the URLs in mirror list cannot contain whitespace.
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Rob Landley <rob@landley.net>
parents:
diff changeset
218
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
219 download_from "$URL" && return 0
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
220 for i in $MIRROR_LIST
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
221 do
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
222 download_from "$i/$FILENAME" && return 0
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
223 done
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
224
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
225 # Return failure.
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Rob Landley <rob@landley.net>
parents:
diff changeset
226
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
227 echo "Could not download $FILENAME"
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
228 echo -en "\e[0m"
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
229 return 1
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
230 }
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
231
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
232 # Clean obsolete files out of the source directory
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
233
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
234 START_TIME=`date +%s`
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
235
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
236 cleanup_oldfiles()
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
237 {
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
238 # wait for asynchronous downloads to complete
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
239
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
240 wait
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
241
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
242 for i in "${SRCDIR}"/*
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
243 do
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
244 if [ -f "$i" ] && [ "$(date +%s -r "$i")" -lt "${START_TIME}" ]
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
245 then
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
246 echo Removing old file "$i"
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
247 rm -rf "$i"
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
248 fi
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
249 done
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
250 }