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annotate sources/download_functions.sh @ 1553:da21ff27331e

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Add ability to check out repositories in packages, IGNORE_REPOS to build from tarballs anyway, a FAQ entry on it, and more/repo.sh to set up/update some of the common ones.
author Rob Landley <rob@landley.net>
date Thu, 01 Nov 2012 23:35:09 -0500
parents c3b91b70cc42
children 6a8114c148d1
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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="$1"
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61 ! is_in_list "PACKAGE" "$IGNORE_REPOS" && [ -d "$SRCDIR/$PACKAGE" ] &&
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62 return 0
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63
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64 # Announce to the world that we're cracking open a new package
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65
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66 announce "$PACKAGE"
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67
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68 # Find tarball, and determine type
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69
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70 FILENAME="$(find_package_tarball "$PACKAGE")"
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71 DECOMPRESS=""
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72 [ "$FILENAME" != "${FILENAME/%\.tar\.bz2/}" ] && DECOMPRESS="j"
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73 [ "$FILENAME" != "${FILENAME/%\.tar\.gz/}" ] && DECOMPRESS="z"
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74
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75 # If the source tarball doesn't exist, but the extracted directory is there,
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76 # assume everything's ok.
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77
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78 SHA1NAME="sha1-for-source.txt"
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79 SHA1FILE="$SRCTREE/$PACKAGE/$SHA1NAME"
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80 if [ -z "$FILENAME" ]
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81 then
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82 if [ ! -e "$SRCTREE/$PACKAGE" ]
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83 then
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84 echo "No tarball for $PACKAGE" >&2
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85 dienow
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86 fi
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87
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88 # If the sha1sum file isn't there, re-patch the package.
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89 [ ! -e "$SHA1FILE" ] && patch_package
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90 return 0
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91 fi
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92
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93 # Check the sha1 list from the previous extract. If the source is already
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94 # up to date (including patches), keep it.
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95
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96 SHA1TAR="$(sha1file "$FILENAME")"
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97 SHALIST=$(cat "$SHA1FILE" 2> /dev/null)
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98 if [ ! -z "$SHALIST" ]
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99 then
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100 for i in "$SHA1TAR" $(sha1file "$PATCHDIR/$PACKAGE"-* 2>/dev/null)
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101 do
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102 # Is this sha1 in the file?
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103 if [ -z "$(echo "$SHALIST" | sed -n "s/$i/$i/p" )" ]
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104 then
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105 SHALIST=missing
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106 break
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107 fi
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108 # Remove it
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109 SHALIST="$(echo "$SHALIST" | sed "s/$i//" )"
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110 done
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111 # If we matched all the sha1sums, nothing more to do.
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112 [ -z "$SHALIST" ] && return 0
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113 fi
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114
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115 # Re-extract the package, deleting the old one (if any)..
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116
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117 echo -n "Extracting '$PACKAGE'"
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118 (
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119 UNIQUE=$(readlink /proc/self)
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120 trap 'rm -rf "$BUILD/temp-'$UNIQUE'"' EXIT
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121 rm -rf "$SRCTREE/$PACKAGE" 2>/dev/null
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122 mkdir -p "$BUILD/temp-$UNIQUE" "$SRCTREE" || dienow
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123
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124 { tar -xv${DECOMPRESS} -f "$FILENAME" -C "$BUILD/temp-$UNIQUE" &&
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125 # Wildcards only expand when they ponit to something that exists,
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126 # and even then they have to be an argument to a command.
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127 TARDIR="$(readlink -f "$BUILD/temp-$UNIQUE"/*)" &&
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128 touch "$TARDIR/$SHA1NAME"
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129 } | dotprogress
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130
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131 [ -e "$BUILD/temp-$UNIQUE"/*/"$SHA1NAME" ] &&
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132 mv "$BUILD/temp-$UNIQUE/"* "$SRCTREE/$PACKAGE" &&
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63d3f491b92f Make tarball extract failure detection not rely on "kill" command.
Rob Landley <rob@landley.net>
parents: 1486
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133 echo "$SHA1TAR" >> "$SHA1FILE"
1253
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134 )
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135
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136 [ $? -ne 0 ] && dienow
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137
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parents:
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138 patch_package
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139 }
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140
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141 # Confirm that a file has the appropriate checksum (or exists but SHA1 is blank)
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142 # Delete invalid file.
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143
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144 confirm_checksum()
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145 {
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146 SUM="$(sha1file "$SRCDIR/$FILENAME" 2>/dev/null)"
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147 if [ x"$SUM" == x"$SHA1" ] || [ -z "$SHA1" ] && [ -f "$SRCDIR/$FILENAME" ]
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148 then
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149 if [ -z "$SHA1" ]
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150 then
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151 echo "No SHA1 for $FILENAME ($SUM)"
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152 else
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153 echo "Confirmed $FILENAME"
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154 fi
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parents:
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155
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Rob Landley <rob@landley.net>
parents:
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156 # Preemptively extract source packages?
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157
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158 [ -z "$EXTRACT_ALL" ] && return 0
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159 extract_package "$BASENAME"
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160 return $?
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parents:
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161 fi
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parents:
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162
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163 # If there's a corrupted file, delete it. In theory it would be nice
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164 # to resume downloads, but wget creates "*.1" files instead.
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165
1486
d398569effd2 Suppress some warnings.
Rob Landley <rob@landley.net>
parents: 1461
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166 rm -f "$SRCDIR/$FILENAME"
1253
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167
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168 return 1
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parents:
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169 }
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170
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171 # Attempt to obtain file from a specific location
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172
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173 download_from()
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174 {
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175 # Return success if we already have a valid copy of the file
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176
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177 confirm_checksum && return 0
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178
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179 # If we have another source, try to download file from there.
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180
d4b251e78fc0 Break out download_functions.sh into their own file.
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181 [ -z "$1" ] && return 1
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182 wget -t 2 -T 20 -O "$SRCDIR/$FILENAME" "$1" ||
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d398569effd2 Suppress some warnings.
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parents: 1461
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183 (rm -f "$SRCDIR/$FILENAME"; return 2)
1253
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184 touch -c "$SRCDIR/$FILENAME"
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parents:
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185
d4b251e78fc0 Break out download_functions.sh into their own file.
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parents:
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186 confirm_checksum
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parents:
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187 }
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Rob Landley <rob@landley.net>
parents:
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188
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parents:
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189 # Confirm a file matches sha1sum, else try to download it from mirror list.
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parents:
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190
d4b251e78fc0 Break out download_functions.sh into their own file.
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parents:
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191 download()
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192 {
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193 FILENAME=`echo "$URL" | sed 's .*/ '`
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194 [ -z "$RENAME" ] || FILENAME="$(echo "$FILENAME" | sed -r "$RENAME")"
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parents:
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195
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
196 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
197 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
198 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
199 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
200 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
201
1253
d4b251e78fc0 Break out download_functions.sh into their own file.
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parents:
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202 echo -ne "checking $FILENAME\r"
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Rob Landley <rob@landley.net>
parents:
diff changeset
203
1552
c3b91b70cc42 Remove USE_ALT option, I have a better idea (upcoming patch).
Rob Landley <rob@landley.net>
parents: 1540
diff changeset
204 # Update timestamp on tarball (if it exists) so cleanup_oldfiles keeps it
1253
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
205
1552
c3b91b70cc42 Remove USE_ALT option, I have a better idea (upcoming patch).
Rob Landley <rob@landley.net>
parents: 1540
diff changeset
206 touch -c "$SRCDIR"/"$FILENAME" 2>/dev/null
1253
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
207
d4b251e78fc0 Break out download_functions.sh into their own file.
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parents:
diff changeset
208 # Give package name, minus file's version number and archive extension.
1257
1461d20bb6a7 Genericize the noversion() regex a bit, and make sure to only apply patches in the sources/patches directory that end in ".patch".
Rob Landley <rob@landley.net>
parents: 1253
diff changeset
209 BASENAME="$(noversion "$FILENAME")"
1553
da21ff27331e Add ability to check out repositories in packages, IGNORE_REPOS to build from tarballs anyway, a FAQ entry on it, and more/repo.sh to set up/update some of the common ones.
Rob Landley <rob@landley.net>
parents: 1552
diff changeset
210 ! is_in_list "$BASENAME" "$IGNORE_REPOS" &&
da21ff27331e Add ability to check out repositories in packages, IGNORE_REPOS to build from tarballs anyway, a FAQ entry on it, and more/repo.sh to set up/update some of the common ones.
Rob Landley <rob@landley.net>
parents: 1552
diff changeset
211 [ -d "$SRCDIR/$BASENAME" ] && echo "Using $SRCDIR/$BASENAME" && return 0
1253
d4b251e78fc0 Break out download_functions.sh into their own file.
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parents:
diff changeset
212
d4b251e78fc0 Break out download_functions.sh into their own file.
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parents:
diff changeset
213 # If environment variable specifies a preferred mirror, try that first.
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parents:
diff changeset
214
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
215 if [ ! -z "$PREFERRED_MIRROR" ]
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Rob Landley <rob@landley.net>
parents:
diff changeset
216 then
d4b251e78fc0 Break out download_functions.sh into their own file.
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parents:
diff changeset
217 download_from "$PREFERRED_MIRROR/$FILENAME" && return 0
d4b251e78fc0 Break out download_functions.sh into their own file.
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parents:
diff changeset
218 fi
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
219
d4b251e78fc0 Break out download_functions.sh into their own file.
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parents:
diff changeset
220 # Try original location, then mirrors.
d4b251e78fc0 Break out download_functions.sh into their own file.
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parents:
diff changeset
221 # Note: the URLs in mirror list cannot contain whitespace.
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Rob Landley <rob@landley.net>
parents:
diff changeset
222
d4b251e78fc0 Break out download_functions.sh into their own file.
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parents:
diff changeset
223 download_from "$URL" && return 0
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
224 for i in $MIRROR_LIST
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parents:
diff changeset
225 do
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
226 download_from "$i/$FILENAME" && return 0
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
227 done
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
228
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
229 # Return failure.
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parents:
diff changeset
230
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
231 echo "Could not download $FILENAME"
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
232 echo -en "\e[0m"
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parents:
diff changeset
233 return 1
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
234 }
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 # 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
237
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
238 START_TIME=`date +%s`
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 cleanup_oldfiles()
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 # wait for asynchronous downloads to complete
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
243
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
244 wait
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
245
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
246 for i in "${SRCDIR}"/*
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
247 do
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
248 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
249 then
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
250 echo Removing old file "$i"
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
251 rm -rf "$i"
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
252 fi
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
253 done
d4b251e78fc0 Break out download_functions.sh into their own file.
Rob Landley <rob@landley.net>
parents:
diff changeset
254 }