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annotate sources/functions.sh @ 581:9dffdd74c186

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More changes for initramfs and hw- targets with a base architecture. The $BASE_ARCH approach didn't work because targets need to override things like KERNEL_PATH, so they need to source the relevant details file themselves. Shuffle things around so they can do that: move $CROSS into cross-compiler.sh, add cross compiler to $PATH independently of that, remove $ARCH from CONFIG_DIR and change users to add it, have getconfig check $ARCH_NAME directory first, redo qemu_defaults to chop out initramfs options less uncleanly...
author Rob Landley <rob@landley.net>
date Mon, 12 Jan 2009 02:47:32 -0600
parents 5619a7375b74
children d66eae57a344
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1 # Lots of reusable functions. This file is sourced, not run.
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2
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3 # Figure out if we're using the stable or unstable versions of a package.
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4
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5 function unstable()
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6 {
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7 [ ! -z "$(echo ,"$USE_UNSTABLE", | grep ,"$1",)" ]
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8 }
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9
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10 # Find appropriate miniconfig file
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11
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12 function getconfig()
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13 {
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14 for i in $(unstable $1 && echo {$ARCH_NAME,$ARCH}/miniconfig-alt-$1) \
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15 {$ARCH_NAME,$ARCH}/miniconfig-$1
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16 do
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17 if [ -f "$CONFIG_DIR/$i" ]
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18 then
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19 echo "$CONFIG_DIR/$i"
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20 return
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21 fi
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22 done
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23
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24 echo "getconfig $1 failed" >&2
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25 dienow
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26 }
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27
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28 # Strip the version number off a tarball
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29
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30 function cleanup()
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31 {
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32
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33 [ $? -ne 0 ] && dienow
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34
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35 if [ ! -z "$NO_CLEANUP" ]
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36 then
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37 echo "skip cleanup $@"
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38 return
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39 fi
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40
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41 for i in "$@"
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42 do
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43 unstable "$i" && i="$PACKAGE"
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44 echo "cleanup $i"
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45 rm -rf "$i" || dienow
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46 done
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47 }
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48
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49 # Give filename.tar.ext minus the version number.
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50
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51 function noversion()
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52 {
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53 echo "$1" | sed -e 's/-*\(\([0-9\.]\)*\([_-]rc\)*\(-pre\)*\([0-9][a-zA-Z]\)*\)*\(\.tar\..z2*\)$/'"$2"'\6/'
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54 }
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55
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56 # Given a filename.tar.ext, return the versino number.
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57
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58 function getversion()
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59 {
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60 echo "$1" | sed -e 's/.*-\(\([0-9\.]\)*\([_-]rc\)*\(-pre\)*\([0-9][a-zA-Z]\)*\)*\(\.tar\..z2*\)$/'"$2"'\1/'
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61 }
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62
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63 # Give package name, minus file's version number and archive extension.
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64
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65 function basename()
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66 {
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67 noversion $1 | sed 's/\.tar\..z2*$//'
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68 }
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69
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70 # output the sha1sum of a file
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71 function sha1file()
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72 {
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73 sha1sum "$@" | awk '{print $1}'
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74 }
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75
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76 # Extract tarball named in $1 and apply all relevant patches into
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77 # "$BUILD/sources/$1". Record sha1sum of tarball and patch files in
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78 # sha1-for-source.txt. Re-extract if tarball or patches change.
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79
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80 function extract()
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81 {
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82 SRCTREE="${BUILD}/sources"
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83 BASENAME="$(basename "$1")"
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84 SHA1FILE="$(echo "${SRCTREE}/${BASENAME}/sha1-for-source.txt")"
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85 SHA1TAR="$(sha1file "${SRCDIR}/$1")"
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86
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87 # Sanity check: don't ever "rm -rf /". Just don't.
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88
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89 if [ -z "$BASENAME" ] || [ -z "$SRCTREE" ]
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90 then
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91 dienow
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92 fi
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93
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94 # If it's already extracted and up to date (including patches), do nothing.
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95 SHALIST=$(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" $(sha1file "${SOURCES}/patches/$BASENAME"-* 2>/dev/null)
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99 do
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100 # Is this sha1 in the file?
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101 if [ -z "$(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 "$SHALIST" ] && return 0
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111 fi
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112
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113 echo -n "Extracting '${BASENAME}'"
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114 # Delete the old tree (if any). Create new empty working directories.
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115 rm -rf "${BUILD}/temp" "${SRCTREE}/${BASENAME}" 2>/dev/null
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116 mkdir -p "${BUILD}"/{temp,sources} || dienow
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117
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118 # Is it a bzip2 or gzip tarball?
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119 DECOMPRESS=""
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120 [ "$1" != "${1/%\.tar\.bz2/}" ] && DECOMPRESS="j"
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121 [ "$1" != "${1/%\.tar\.gz/}" ] && DECOMPRESS="z"
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122
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123 cd "${WORK}" &&
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124 { tar -xv${DECOMPRESS} -f "${SRCDIR}/$1" -C "${BUILD}/temp" || dienow
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125 } | dotprogress
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126
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127 mv "${BUILD}/temp/"* "${SRCTREE}/${BASENAME}" &&
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128 rmdir "${BUILD}/temp" &&
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129 echo "$SHA1TAR" > "$SHA1FILE"
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130
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131 [ $? -ne 0 ] && dienow
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132
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133 # Apply any patches to this package
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134
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135 ls "${SOURCES}/patches/$BASENAME"-* 2> /dev/null | sort | while read i
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136 do
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137 if [ -f "$i" ]
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138 then
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139 echo "Applying $i"
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140 (cd "${SRCTREE}/${BASENAME}" && patch -p1 -i "$i") || dienow
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141 sha1file "$i" >> "$SHA1FILE"
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142 fi
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143 done
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144 }
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145
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146 function try_checksum()
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147 {
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148 SUM="$(sha1file "$SRCDIR/$FILENAME" 2>/dev/null)"
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149 if [ x"$SUM" == x"$SHA1" ] || [ -z "$SHA1" ] && [ -f "$SRCDIR/$FILENAME" ]
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150 then
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151 touch "$SRCDIR/$FILENAME"
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152 if [ -z "$SHA1" ]
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153 then
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154 echo "No SHA1 for $FILENAME ($SUM)"
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155 else
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156 echo "Confirmed $FILENAME"
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157 fi
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158
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159 [ -z "$EXTRACT_ALL" ] && return 0
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160 extract "$FILENAME"
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161 return $?
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162 fi
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163
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164 return 1
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165 }
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166
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167
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168 function try_download()
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169 {
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170 # Return success if we have a valid copy of the file
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171
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172 try_checksum && return 0
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173
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174 # If there's a corrupted file, delete it. In theory it would be nice
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175 # to resume downloads, but wget creates "*.1" files instead.
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176
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177 rm "$SRCDIR/$FILENAME" 2> /dev/null
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178
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179 # If we have another source, try to download file.
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180
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181 if [ -n "$1" ]
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182 then
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183 wget -t 2 -T 20 -O "$SRCDIR/$FILENAME" "$1" || return 2
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184 fi
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185
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186 try_checksum
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187 }
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188
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189 # Confirm a file matches sha1sum, else try to download it from mirror list.
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190
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191 function download()
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192 {
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193 FILENAME=`echo "$URL" | sed 's .*/ '`
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194 ALTFILENAME=alt-"$(noversion "$FILENAME" -0)"
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195
581
9dffdd74c186 More changes for initramfs and hw- targets with a base architecture.
Rob Landley <rob@landley.net>
parents: 567
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196 # Is the unstable version selected?
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197 if unstable "$(basename "$FILENAME")"
428
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198 then
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199 # Keep old version around, if present.
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200 touch -c "$SRCDIR/$FILENAME" 2>/dev/null
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201
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202 # Download new one as alt-packagename.tar.ext
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203 FILENAME="$ALTFILENAME" SHA1= try_download "$UNSTABLE"
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204 return $?
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205 fi
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206
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207 # If environment variable specifies a preferred mirror, try that first.
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208
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209 if [ ! -z "$PREFERRED_MIRROR" ]
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210 then
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211 try_download "$PREFERRED_MIRROR/$FILENAME" && return 0
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212 fi
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213
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214 # Try standard locations
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215
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216 for i in "$URL" http://impactlinux.com/firmware/mirror/"$FILENAME" \
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217 http://landley.net/code/firmware/mirror/"$FILENAME"
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218 do
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219 try_download "$i" && return 0
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220 done
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221
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222 # Return failure.
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223
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224 echo "Could not download $FILENAME"
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225 echo -en "\e[0m"
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226 return 1
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227 }
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228
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229 # Clean obsolete files out of the source directory
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230
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231 START_TIME=`date +%s`
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232
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233 function cleanup_oldfiles()
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234 {
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235 for i in "${SRCDIR}"/*
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236 do
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237 if [ -f "$i" ] && [ "$(date +%s -r "$i")" -lt "${START_TIME}" ]
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diff changeset
238 then
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diff changeset
239 echo Removing old file "$i"
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diff changeset
240 rm -rf "$i"
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parents:
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241 fi
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parents:
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242 done
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parents:
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243 }
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244
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245 # An exit function that works properly even from a subshell.
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246
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247 function actually_dienow()
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248 {
534
a9dc3436dcc9 Provide more info on error exit.
Rob Landley <rob@landley.net>
parents: 530
diff changeset
249 echo -e "\e[31mExiting due to errors ($ARCH_NAME $STAGE_NAME $PACKAGE)\e[0m"
428
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250 exit 1
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diff changeset
251 }
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252
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253 trap actually_dienow SIGUSR1
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254 TOPSHELL=$$
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255
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diff changeset
256 function dienow()
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parents:
diff changeset
257 {
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diff changeset
258 kill -USR1 $TOPSHELL
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diff changeset
259 exit 1
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260 }
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261
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262 # Turn a bunch of output lines into a much quieter series of periods.
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263
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264 function dotprogress()
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265 {
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266 x=0
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267 while read i
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268 do
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diff changeset
269 x=$[$x + 1]
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diff changeset
270 if [[ "$x" -eq 25 ]]
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parents:
diff changeset
271 then
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diff changeset
272 x=0
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273 echo -n .
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274 fi
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275 done
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276 echo
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277 }
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278
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279 # Extract package $1, use out-of-tree build directory $2 (or $1 if no $2)
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280 # Use link directory $3 (or $1 if no $3)
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281
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282 function setupfor()
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283 {
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284 export WRAPPY_LOGPATH="$WRAPPY_LOGDIR/cmdlines.${STAGE_NAME}.setupfor"
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285
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286 # Figure out whether we're using an unstable package.
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287
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288 PACKAGE="$1"
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289 unstable "$PACKAGE" && PACKAGE=alt-"$PACKAGE"
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290
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291 # Make sure the source is already extracted and up-to-date.
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292 cd "${SRCDIR}" &&
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293 extract "${PACKAGE}-"*.tar* || exit 1
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294
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295 # Set CURSRC
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296 CURSRC="$PACKAGE"
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297 if [ ! -z "$3" ]
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diff changeset
298 then
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diff changeset
299 CURSRC="$3"
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300 unstable "$CURSRC" && CURSRC=alt-"$CURSRC"
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301 fi
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302 export CURSRC="${WORK}/${CURSRC}"
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303
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parents:
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304 # Announce package, with easy-to-grep-for "===" marker.
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305
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306 echo "=== Building $PACKAGE ($ARCH_NAME)"
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diff changeset
307 echo "Snapshot '$PACKAGE'..."
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diff changeset
308 cd "${WORK}" || dienow
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parents:
diff changeset
309 if [ $# -lt 3 ]
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diff changeset
310 then
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diff changeset
311 rm -rf "${CURSRC}" || dienow
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diff changeset
312 fi
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diff changeset
313 mkdir -p "${CURSRC}" &&
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diff changeset
314 cp -lfR "${SRCTREE}/$PACKAGE/"* "${CURSRC}"
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315
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316 [ $? -ne 0 ] && dienow
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317
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318 # Do we have a separate working directory?
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319
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320 if [ -z "$2" ]
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321 then
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322 cd "$PACKAGE"* || dienow
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323 else
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324 mkdir -p "$2" && cd "$2" || dienow
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325 fi
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326 export WRAPPY_LOGPATH="$WRAPPY_LOGDIR/cmdlines.${STAGE_NAME}.$1"
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327
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328 # Change window title bar to package now
449
765d6566fb54 Display tweak. (When the build window is minimized, all it shows is "Building...")
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329 echo -en "\033]2;$ARCH_NAME $STAGE_NAME $PACKAGE\007"
428
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330 }
440
59fe5a276991 Add getversion() and wait4background(), useful to build wrappers.
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331
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332 # usage: wait4background 0
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333
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334 function wait4background()
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335 {
454
ccca664cbac1 Upgrade build wrapper, teach wait4background to skip certain processes (such as ssh) mentioned in optional second argument.
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336 local EXCLUDE="$2"
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337 [ -z "$EXCLUDE" ] && EXCLUDE="thisdoesnotmatchanything"
440
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338 # Wait for background tasks to finish
454
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339 while [ $(jobs | grep -v "$EXCLUDE" | wc -l) -gt $1 ]
440
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340 do
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341 sleep 1
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342 # Without this next line, bash never notices a change in the number of jobs.
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343 # Bug noticed in Ubuntu 7.04
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344 jobs > /dev/null
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345 done
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346 }
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347
464
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348 # Figure out what version of a package we last built
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349
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350 function get_download_version()
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351 {
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352 getversion $(sed -n 's@URL=.*/\(.[^ ]*\).*@\1@p' download.sh | grep ${1}-)
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353 }
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354
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355 # Identify subversion or mercurial revision, or release number
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356
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357 function identify_release()
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358 {
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359 if [ -d build/sources/alt-$1/.svn ]
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360 then
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361 echo subversion rev \
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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362 $(svn info build/sources/alt-uClibc | sed -n "s/^Revision: //p")
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363 elif [ -d build/sources/alt-$1/.hg ]
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diff changeset
364 then
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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365 echo mercurial rev \
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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366 $(hg tip | sed -n 's/changeset: *\([0-9]*\).*/\1/p')
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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367 else
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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368 echo release version $(get_download_version $1)
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diff changeset
369 fi
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370 }
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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diff changeset
371
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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372 # Create a README identifying package versions in current build.
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373
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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374 function do_readme()
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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375 {
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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376 # Grab FWL version number
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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377
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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diff changeset
378 cat << EOF
494
a32c75dcf508 Add README.footer to end of README. (Rename README.txt->README)
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parents: 481
diff changeset
379 These tarballs were built on $(date +%F) from:
464
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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diff changeset
380
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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381 Build script:
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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diff changeset
382 Firmware Linux (http://landley.net/code/firmware) mercurial rev $(hg tip | sed -n 's/changeset: *\([0-9]*\).*/\1/p')
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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parents: 461
diff changeset
383
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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diff changeset
384 Base packages:
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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385 uClibc (http://uclibc.org) $(identify_release uClibc)
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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parents: 461
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386 BusyBox (http://busybox.net) $(identify_release busybox)
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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parents: 461
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387 Linux (http://kernel.org/pub/linux/kernel) $(identify_release linux)
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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parents: 461
diff changeset
388
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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diff changeset
389 Toolchain packages:
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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diff changeset
390 Binutils (http://www.gnu.org/software/binutils/) $(identify_release binutils
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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diff changeset
391 )
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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diff changeset
392 GCC (http://gcc.gnu.org) $(identify_release gcc-core)
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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parents: 461
diff changeset
393 gmake (http://www.gnu.org/software/make) $(identify_release make)
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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parents: 461
diff changeset
394 bash (ftp://ftp.gnu.org/gnu/bash) $(identify_release bash)
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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parents: 461
diff changeset
395
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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diff changeset
396 Optional packages:
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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diff changeset
397 Toybox (http://landley.net/code/toybox) $(identify_release toybox)
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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parents: 461
diff changeset
398 distcc (http://distcc.samba.org) $(identify_release distcc)
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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parents: 461
diff changeset
399 uClibc++ (http://cxx.uclibc.org) $(identify_release uClibc++)
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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diff changeset
400 EOF
99e039a4b8bc Move README generation to functions.sh, clean up build-all-target.sh option parsing.
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diff changeset
401 }