Mercurial > hg > aboriginal
annotate sources/functions.sh @ 494:a32c75dcf508
Add README.footer to end of README. (Rename README.txt->README)
author | Rob Landley <rob@landley.net> |
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date | Fri, 21 Nov 2008 23:46:21 -0600 |
parents | cf6d49937be1 |
children | ea7a010e5c47 |
rev | line source |
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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 [ $? -ne 0 ] && dienow |
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108 |
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109 # Apply any patches to this package |
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110 |
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111 ls "${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}.$1" |
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303 |
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304 # Change window title bar to package now |
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305 echo -en "\033]2;$ARCH_NAME $STAGE_NAME $PACKAGE\007" |
428
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306 } |
440
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307 |
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308 # usage: wait4background 0 |
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309 |
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310 function wait4background() |
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311 { |
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312 local EXCLUDE="$2" |
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313 [ -z "$EXCLUDE" ] && EXCLUDE="thisdoesnotmatchanything" |
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314 # Wait for background tasks to finish |
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315 while [ $(jobs | grep -v "$EXCLUDE" | wc -l) -gt $1 ] |
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316 do |
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317 sleep 1 |
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318 # Without this next line, bash never notices a change in the number of jobs. |
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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 These tarballs were 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 } |