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annotate sources/functions.sh @ 481:cf6d49937be1

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Teach extract that uClibc++ patches don't need to be checked against uClibc.
author Rob Landley <rob@landley.net>
date Wed, 12 Nov 2008 23:23:03 -0600
parents 99e039a4b8bc
children a32c75dcf508
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1 # Lots of reusable functions. This file is sourced, not run.
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2
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3 # Figure out if we're using the stable or unstable versions of a package.
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4
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5 function unstable()
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6 {
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7 [ ! -z "$(echo ,"$USE_UNSTABLE", | grep ,"$1",)" ]
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8 }
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9
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10 # Strip the version number off a tarball
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11
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12 function cleanup()
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13 {
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14
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15 [ $? -ne 0 ] && dienow
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16
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17 for i in "$@"
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18 do
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19 unstable "$i" && i="$PACKAGE"
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20 echo "cleanup $i"
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21 rm -rf "$i" || dienow
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22 done
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23 }
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24
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25 # Give filename.tar.ext minus the version number.
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26
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27 function noversion()
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28 {
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29 echo "$1" | sed -e 's/-*\(\([0-9\.]\)*\([_-]rc\)*\(-pre\)*\([0-9][a-zA-Z]\)*\)*\(\.tar\..z2*\)$/'"$2"'\6/'
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30 }
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31
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32 # Given a filename.tar.ext, return the versino number.
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33
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34 function getversion()
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35 {
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36 echo "$1" | sed -e 's/.*-\(\([0-9\.]\)*\([_-]rc\)*\(-pre\)*\([0-9][a-zA-Z]\)*\)*\(\.tar\..z2*\)$/'"$2"'\1/'
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37 }
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38
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39 # Give package name, minus file's version number and archive extension.
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40
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41 function basename()
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42 {
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43 noversion $1 | sed 's/\.tar\..z2*$//'
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44 }
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45
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46 # output the sha1sum of a file
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47 function sha1file()
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48 {
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49 sha1sum "$@" | awk '{print $1}'
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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/sources/$1". Record sha1sum of tarball and patch files in
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54 # sha1-for-source.txt. Re-extract if tarball or patches change.
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55
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56 function extract()
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57 {
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58 SRCTREE="${BUILD}/sources"
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59 BASENAME="$(basename "$1")"
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60 SHA1FILE="$(echo "${SRCTREE}/${BASENAME}/sha1-for-source.txt")"
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61 SHA1TAR="$(sha1file "${SRCDIR}/$1")"
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62
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63 # Sanity check: don't ever "rm -rf /". Just don't.
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64
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65 if [ -z "$BASENAME" ] || [ -z "$SRCTREE" ]
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66 then
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67 dienow
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68 fi
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69
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70 # If it's already extracted and up to date (including patches), do nothing.
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71 SHALIST=$(cat "$SHA1FILE" 2> /dev/null)
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72 if [ ! -z "$SHALIST" ]
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73 then
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74 for i in "$SHA1TAR" $(sha1file "${SOURCES}/patches/$BASENAME"-* 2>/dev/null)
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75 do
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76 # Is this sha1 in the file?
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77 if [ -z "$(echo "$SHALIST" | sed -n "s/$i/$i/p" )" ]
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78 then
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79 SHALIST=missing
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80 break
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81 fi
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82 # Remove it
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83 SHALIST="$(echo "$SHALIST" | sed "s/$i//" )"
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84 done
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85 # If we matched all the sha1sums, nothing more to do.
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86 [ -z "$SHALIST" ] && return 0
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87 fi
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88
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89 echo -n "Extracting '${BASENAME}'"
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90 # Delete the old tree (if any). Create new empty working directories.
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91 rm -rf "${BUILD}/temp" "${SRCTREE}/${BASENAME}" 2>/dev/null
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92 mkdir -p "${BUILD}"/{temp,sources} || dienow
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93
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94 # Is it a bzip2 or gzip tarball?
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95 DECOMPRESS=""
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96 [ "$1" != "${1/%\.tar\.bz2/}" ] && DECOMPRESS="j"
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97 [ "$1" != "${1/%\.tar\.gz/}" ] && DECOMPRESS="z"
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98
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99 cd "${WORK}" &&
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100 { tar -xv${DECOMPRESS} -f "${SRCDIR}/$1" -C "${BUILD}/temp" || dienow
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101 } | dotprogress
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102
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103 mv "${BUILD}/temp/"* "${SRCTREE}/${BASENAME}" &&
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104 rmdir "${BUILD}/temp" &&
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105 echo "$SHA1TAR" > "$SHA1FILE"
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106
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107 [ $? -ne 0 ] && dienow
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108
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109 # Apply any patches to this package
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110
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1318dffa15ce Don't apply uClibc++ patches to uClibc.
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111 ls "${SOURCES}/patches/$BASENAME"-* 2> /dev/null | sort | while read i
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112 do
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113 if [ -f "$i" ]
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114 then
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115 echo "Applying $i"
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116 (cd "${SRCTREE}/${BASENAME}" && patch -p1 -i "$i") || dienow
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117 sha1file "$i" >> "$SHA1FILE"
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118 fi
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119 done
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120 }
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121
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122 function try_checksum()
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123 {
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124 SUM="$(sha1file "$SRCDIR/$FILENAME" 2>/dev/null)"
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125 if [ x"$SUM" == x"$SHA1" ] || [ -z "$SHA1" ] && [ -f "$SRCDIR/$FILENAME" ]
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126 then
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127 touch "$SRCDIR/$FILENAME"
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128 if [ -z "$SHA1" ]
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129 then
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130 echo "No SHA1 for $FILENAME ($SUM)"
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131 else
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132 echo "Confirmed $FILENAME"
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133 fi
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134
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135 [ -z "$EXTRACT_ALL" ] && return 0
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136 extract "$FILENAME"
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137 return $?
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138 fi
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139
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140 return 1
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141 }
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142
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143
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144 function try_download()
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145 {
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146 # Return success if we have a valid copy of the file
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147
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148 try_checksum && return 0
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149
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150 # If there's a corrupted file, delete it. In theory it would be nice
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151 # to resume downloads, but wget creates "*.1" files instead.
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152
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153 rm "$SRCDIR/$FILENAME" 2> /dev/null
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154
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155 # If we have another source, try to download file.
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156
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157 if [ -n "$1" ]
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158 then
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159 wget -t 2 -T 20 -O "$SRCDIR/$FILENAME" "$1" || return 2
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160 fi
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161
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162 try_checksum
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163 }
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164
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165 # Confirm a file matches sha1sum, else try to download it from mirror list.
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166
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167 function download()
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168 {
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169 FILENAME=`echo "$URL" | sed 's .*/ '`
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170 ALTFILENAME=alt-"$(noversion "$FILENAME" -0)"
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171
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172 # Is there an unstable version to download, and is it selected?
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173 if [ ! -z "$UNSTABLE" ] && unstable "$(basename "$FILENAME")"
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174 then
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175 # Keep old version around, if present.
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176 touch -c "$SRCDIR/$FILENAME" 2>/dev/null
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177
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178 # Download new one as alt-packagename.tar.ext
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179 FILENAME="$ALTFILENAME" SHA1= try_download "$UNSTABLE"
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180 return $?
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181 fi
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182
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183 # If environment variable specifies a preferred mirror, try that first.
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184
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185 if [ ! -z "$PREFERRED_MIRROR" ]
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186 then
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187 try_download "$PREFERRED_MIRROR/$FILENAME" && return 0
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188 fi
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189
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190 # Try standard locations
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191
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192 for i in "$URL" http://impactlinux.com/firmware/mirror/"$FILENAME" \
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193 http://landley.net/code/firmware/mirror/"$FILENAME"
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194 do
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195 try_download "$i" && return 0
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196 done
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197
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198 # Return failure.
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199
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200 echo "Could not download $FILENAME"
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201 echo -en "\e[0m"
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202 return 1
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203 }
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204
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205 # Clean obsolete files out of the source directory
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206
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207 START_TIME=`date +%s`
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208
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209 function cleanup_oldfiles()
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210 {
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211 for i in "${SRCDIR}"/*
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212 do
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213 if [ -f "$i" ] && [ "$(date +%s -r "$i")" -lt "${START_TIME}" ]
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214 then
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215 echo Removing old file "$i"
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216 rm -rf "$i"
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217 fi
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218 done
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219 }
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220
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221 # An exit function that works properly even from a subshell.
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222
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223 function actually_dienow()
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224 {
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225 echo -e "\e[31mExiting due to errors\e[0m"
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226 exit 1
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227 }
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228
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229 trap actually_dienow SIGUSR1
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230 TOPSHELL=$$
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231
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232 function dienow()
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233 {
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234 kill -USR1 $TOPSHELL
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235 exit 1
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236 }
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237
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238 # Turn a bunch of output lines into a much quieter series of periods.
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239
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240 function dotprogress()
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241 {
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242 x=0
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243 while read i
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244 do
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245 x=$[$x + 1]
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246 if [[ "$x" -eq 25 ]]
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247 then
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248 x=0
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249 echo -n .
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250 fi
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251 done
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252 echo
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253 }
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254
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255 # Extract package $1, use out-of-tree build directory $2 (or $1 if no $2)
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256 # Use link directory $3 (or $1 if no $3)
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257
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258 function setupfor()
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259 {
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260 export WRAPPY_LOGPATH="$WRAPPY_LOGDIR/cmdlines.${STAGE_NAME}.setupfor"
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261
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262 # Figure out whether we're using an unstable package.
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263
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264 PACKAGE="$1"
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265 unstable "$PACKAGE" && PACKAGE=alt-"$PACKAGE"
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266
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267 # Make sure the source is already extracted and up-to-date.
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268 cd "${SRCDIR}" &&
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269 extract "${PACKAGE}-"*.tar* || exit 1
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270
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271 # Set CURSRC
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272 CURSRC="$PACKAGE"
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273 if [ ! -z "$3" ]
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274 then
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275 CURSRC="$3"
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276 unstable "$CURSRC" && CURSRC=alt-"$CURSRC"
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277 fi
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278 export CURSRC="${WORK}/${CURSRC}"
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279
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280 # Announce package, with easy-to-grep-for "===" marker.
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281
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282 echo "=== Building $PACKAGE ($ARCH_NAME)"
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283 echo "Snapshot '$PACKAGE'..."
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284 cd "${WORK}" || dienow
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285 if [ $# -lt 3 ]
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286 then
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287 rm -rf "${CURSRC}" || dienow
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288 fi
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289 mkdir -p "${CURSRC}" &&
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290 cp -lfR "${SRCTREE}/$PACKAGE/"* "${CURSRC}"
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291
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292 [ $? -ne 0 ] && dienow
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293
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294 # Do we have a separate working directory?
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295
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296 if [ -z "$2" ]
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297 then
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298 cd "$PACKAGE"* || dienow
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299 else
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300 mkdir -p "$2" && cd "$2" || dienow
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301 fi
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302 export WRAPPY_LOGPATH="$WRAPPY_LOGDIR/cmdlines.${STAGE_NAME}.$1"
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303
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304 # Change window title bar to package now
449
765d6566fb54 Display tweak. (When the build window is minimized, all it shows is "Building...")
Rob Landley <rob@landley.net>
parents: 440
diff changeset
305 echo -en "\033]2;$ARCH_NAME $STAGE_NAME $PACKAGE\007"
428
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306 }
440
59fe5a276991 Add getversion() and wait4background(), useful to build wrappers.
Rob Landley <rob@landley.net>
parents: 436
diff changeset
307
59fe5a276991 Add getversion() and wait4background(), useful to build wrappers.
Rob Landley <rob@landley.net>
parents: 436
diff changeset
308 # usage: wait4background 0
59fe5a276991 Add getversion() and wait4background(), useful to build wrappers.
Rob Landley <rob@landley.net>
parents: 436
diff changeset
309
59fe5a276991 Add getversion() and wait4background(), useful to build wrappers.
Rob Landley <rob@landley.net>
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diff changeset
310 function wait4background()
59fe5a276991 Add getversion() and wait4background(), useful to build wrappers.
Rob Landley <rob@landley.net>
parents: 436
diff changeset
311 {
454
ccca664cbac1 Upgrade build wrapper, teach wait4background to skip certain processes (such as ssh) mentioned in optional second argument.
Rob Landley <rob@landley.net>
parents: 449
diff changeset
312 local EXCLUDE="$2"
ccca664cbac1 Upgrade build wrapper, teach wait4background to skip certain processes (such as ssh) mentioned in optional second argument.
Rob Landley <rob@landley.net>
parents: 449
diff changeset
313 [ -z "$EXCLUDE" ] && EXCLUDE="thisdoesnotmatchanything"
440
59fe5a276991 Add getversion() and wait4background(), useful to build wrappers.
Rob Landley <rob@landley.net>
parents: 436
diff changeset
314 # Wait for background tasks to finish
454
ccca664cbac1 Upgrade build wrapper, teach wait4background to skip certain processes (such as ssh) mentioned in optional second argument.
Rob Landley <rob@landley.net>
parents: 449
diff changeset
315 while [ $(jobs | grep -v "$EXCLUDE" | wc -l) -gt $1 ]
440
59fe5a276991 Add getversion() and wait4background(), useful to build wrappers.
Rob Landley <rob@landley.net>
parents: 436
diff changeset
316 do
59fe5a276991 Add getversion() and wait4background(), useful to build wrappers.
Rob Landley <rob@landley.net>
parents: 436
diff changeset
317 sleep 1
59fe5a276991 Add getversion() and wait4background(), useful to build wrappers.
Rob Landley <rob@landley.net>
parents: 436
diff changeset
318 # Without this next line, bash never notices a change in the number of jobs.
59fe5a276991 Add getversion() and wait4background(), useful to build wrappers.
Rob Landley <rob@landley.net>
parents: 436
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319 # Bug noticed in Ubuntu 7.04
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320 jobs > /dev/null
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321 done
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322 }
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323
464
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324 # Figure out what version of a package we last built
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325
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326 function get_download_version()
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327 {
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328 getversion $(sed -n 's@URL=.*/\(.[^ ]*\).*@\1@p' download.sh | grep ${1}-)
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329 }
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330
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331 # Identify subversion or mercurial revision, or release number
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332
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333 function identify_release()
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334 {
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335 if [ -d build/sources/alt-$1/.svn ]
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336 then
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337 echo subversion rev \
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338 $(svn info build/sources/alt-uClibc | sed -n "s/^Revision: //p")
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339 elif [ -d build/sources/alt-$1/.hg ]
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340 then
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341 echo mercurial rev \
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342 $(hg tip | sed -n 's/changeset: *\([0-9]*\).*/\1/p')
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343 else
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344 echo release version $(get_download_version $1)
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345 fi
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346 }
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347
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348 # Create a README identifying package versions in current build.
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349
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350 function do_readme()
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351 {
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352 # Grab FWL version number
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353
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354 cat << EOF
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355 Built on $(date +%F) from:
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356
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357 Build script:
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358 Firmware Linux (http://landley.net/code/firmware) mercurial rev $(hg tip | sed -n 's/changeset: *\([0-9]*\).*/\1/p')
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359
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360 Base packages:
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361 uClibc (http://uclibc.org) $(identify_release uClibc)
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362 BusyBox (http://busybox.net) $(identify_release busybox)
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363 Linux (http://kernel.org/pub/linux/kernel) $(identify_release linux)
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364
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365 Toolchain packages:
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366 Binutils (http://www.gnu.org/software/binutils/) $(identify_release binutils
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367 )
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368 GCC (http://gcc.gnu.org) $(identify_release gcc-core)
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369 gmake (http://www.gnu.org/software/make) $(identify_release make)
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370 bash (ftp://ftp.gnu.org/gnu/bash) $(identify_release bash)
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371
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372 Optional packages:
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373 Toybox (http://landley.net/code/toybox) $(identify_release toybox)
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374 distcc (http://distcc.samba.org) $(identify_release distcc)
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375 uClibc++ (http://cxx.uclibc.org) $(identify_release uClibc++)
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376 EOF
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377 }