Mercurial > hg > aboriginal
annotate sources/download_functions.sh @ 1257:1461d20bb6a7
Genericize the noversion() regex a bit, and make sure to only apply patches in the sources/patches directory that end in ".patch".
author | Rob Landley <rob@landley.net> |
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date | Thu, 07 Oct 2010 23:46:30 -0500 |
parents | d4b251e78fc0 |
children | a80d7f256ff9 |
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1 #!/bin/echo "This file is sourced, not run" |
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2 |
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3 # Remove version information and extension tarball name "$1". |
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4 # If "$2", add that version number back, keeping original extension. |
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5 |
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6 noversion() |
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7 { |
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8 LOGRUS='s/-*\(\([0-9\.]\)*\([_-]rc\)*\(-pre\)*\([0-9][a-zA-Z]\)*\)*\(\.tar\(\..z2*\)*\)$' |
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9 [ -z "$2" ] && LOGRUS="$LOGRUS//" || LOGRUS="$LOGRUS/$2\\6/" |
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10 |
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11 echo "$1" | sed -e "$LOGRUS" |
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12 } |
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13 |
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14 # Apply any patches to this package |
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15 patch_package() |
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16 { |
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17 ls "$PATCHDIR/${PACKAGE}"-*.patch 2> /dev/null | sort | while read i |
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18 do |
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19 if [ -f "$i" ] |
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20 then |
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21 echo "Applying $i" |
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22 (cd "${SRCTREE}/${PACKAGE}" && |
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23 patch -p1 -i "$i" && |
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24 sha1file "$i" >> "$SHA1FILE") || |
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25 ([ -z "$ALLOW_PATCH_FAILURE" ] && dienow) |
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26 fi |
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27 done |
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28 } |
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29 |
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30 # Extract tarball named in $1 and apply all relevant patches into |
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31 # "$BUILD/packages/$1". Record sha1sum of tarball and patch files in |
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32 # sha1-for-source.txt. Re-extract if tarball or patches change. |
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33 |
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34 extract_package() |
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35 { |
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36 mkdir -p "$SRCTREE" || dienow |
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37 |
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38 # Figure out whether we're using an unstable package. |
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39 |
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40 PACKAGE="$1" |
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41 is_in_list "$PACKAGE" $USE_UNSTABLE && PACKAGE=alt-"$PACKAGE" |
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42 |
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43 # Announce to the world that we're cracking open a new package |
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44 |
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45 echo "=== $PACKAGE ($ARCH_NAME $STAGE_NAME)" |
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46 set_titlebar "$ARCH_NAME $STAGE_NAME $PACKAGE" |
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47 |
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48 # Find tarball, and determine type |
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49 |
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50 FILENAME="$(ls -tc "$SRCDIR/${PACKAGE}-"*.tar* 2>/dev/null | head -n 1)" |
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51 DECOMPRESS="" |
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52 [ "$FILENAME" != "${FILENAME/%\.tar\.bz2/}" ] && DECOMPRESS="j" |
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53 [ "$FILENAME" != "${FILENAME/%\.tar\.gz/}" ] && DECOMPRESS="z" |
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54 |
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55 # If the source tarball doesn't exist, but the extracted directory is there, |
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56 # assume everything's ok. |
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57 |
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58 SHA1FILE="$SRCTREE/$PACKAGE/sha1-for-source.txt" |
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59 if [ -z "$FILENAME" ] |
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60 then |
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61 if [ ! -e "$SRCTREE/$PACKAGE" ] |
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62 then |
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63 echo "No tarball for $PACKAGE" >&2 |
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64 dienow |
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65 fi |
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66 |
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67 # If the sha1sum file isn't there, re-patch the package. |
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68 [ ! -e "$SHA1FILE" ] && patch_package |
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69 return 0 |
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70 fi |
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71 |
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72 # Check the sha1 list from the previous extract. If the source is already |
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73 # up to date (including patches), keep it. |
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74 |
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75 SHA1TAR="$(sha1file "$FILENAME")" |
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76 SHALIST=$(cat "$SHA1FILE" 2> /dev/null) |
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77 if [ ! -z "$SHALIST" ] |
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78 then |
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79 for i in "$SHA1TAR" $(sha1file "$PATCHDIR/$PACKAGE"-* 2>/dev/null) |
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80 do |
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81 # Is this sha1 in the file? |
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82 if [ -z "$(echo "$SHALIST" | sed -n "s/$i/$i/p" )" ] |
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83 then |
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84 SHALIST=missing |
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85 break |
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86 fi |
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87 # Remove it |
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88 SHALIST="$(echo "$SHALIST" | sed "s/$i//" )" |
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89 done |
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90 # If we matched all the sha1sums, nothing more to do. |
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91 [ -z "$SHALIST" ] && return 0 |
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92 fi |
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93 |
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94 # Re-extract the package, deleting the old one (if any).. |
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95 |
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96 echo -n "Extracting '$PACKAGE'" |
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97 ( |
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98 UNIQUE=$(readlink /proc/self) |
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99 trap 'rm -rf "$BUILD/temp-'$UNIQUE'"' EXIT |
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100 rm -rf "$SRCTREE/$PACKAGE" 2>/dev/null |
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101 mkdir -p "$BUILD"/{temp-$UNIQUE,packages} || dienow |
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102 |
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103 { tar -xv${DECOMPRESS} -f "$FILENAME" -C "$BUILD/temp-$UNIQUE" || dienow |
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104 } | dotprogress |
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105 |
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106 mv "$BUILD/temp-$UNIQUE/"* "$SRCTREE/$PACKAGE" && |
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107 echo "$SHA1TAR" > "$SHA1FILE" |
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108 ) |
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109 |
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110 [ $? -ne 0 ] && dienow |
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111 |
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112 patch_package |
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113 } |
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114 |
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115 # Confirm that a file has the appropriate checksum (or exists but SHA1 is blank) |
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116 # Delete invalid file. |
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117 |
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118 confirm_checksum() |
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119 { |
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120 SUM="$(sha1file "$SRCDIR/$FILENAME" 2>/dev/null)" |
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121 if [ x"$SUM" == x"$SHA1" ] || [ -z "$SHA1" ] && [ -f "$SRCDIR/$FILENAME" ] |
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122 then |
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123 if [ -z "$SHA1" ] |
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124 then |
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125 echo "No SHA1 for $FILENAME ($SUM)" |
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126 else |
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127 echo "Confirmed $FILENAME" |
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128 fi |
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129 |
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130 # Preemptively extract source packages? |
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131 |
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132 [ -z "$EXTRACT_ALL" ] && return 0 |
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133 extract_package "$BASENAME" |
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134 return $? |
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135 fi |
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136 |
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137 # If there's a corrupted file, delete it. In theory it would be nice |
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138 # to resume downloads, but wget creates "*.1" files instead. |
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139 |
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140 rm "$SRCDIR/$FILENAME" 2> /dev/null |
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141 |
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142 return 1 |
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143 } |
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144 |
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145 # Attempt to obtain file from a specific location |
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146 |
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147 download_from() |
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148 { |
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149 # Return success if we already have a valid copy of the file |
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150 |
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151 confirm_checksum && return 0 |
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152 |
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153 # If we have another source, try to download file from there. |
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154 |
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155 [ -z "$1" ] && return 1 |
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156 wget -t 2 -T 20 -O "$SRCDIR/$FILENAME" "$1" || |
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157 (rm "$SRCDIR/$FILENAME"; return 2) |
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158 touch -c "$SRCDIR/$FILENAME" |
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159 |
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160 confirm_checksum |
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161 } |
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162 |
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163 # Confirm a file matches sha1sum, else try to download it from mirror list. |
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164 |
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165 download() |
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166 { |
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167 FILENAME=`echo "$URL" | sed 's .*/ '` |
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168 [ -z "$RENAME" ] || FILENAME="$(echo "$FILENAME" | sed -r "$RENAME")" |
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169 ALTFILENAME=alt-"$(noversion "$FILENAME" -0)" |
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170 |
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171 echo -ne "checking $FILENAME\r" |
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172 |
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173 # Update timestamps on both stable and unstable tarballs (if any) |
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174 # so cleanup_oldfiles doesn't delete stable when we're building unstable |
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175 # or vice versa |
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176 |
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177 touch -c "$SRCDIR"/{"$FILENAME","$ALTFILENAME"} 2>/dev/null |
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178 |
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179 # Give package name, minus file's version number and archive extension. |
1257
1461d20bb6a7
Genericize the noversion() regex a bit, and make sure to only apply patches in the sources/patches directory that end in ".patch".
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180 BASENAME="$(noversion "$FILENAME")" |
1253
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181 |
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182 # If unstable version selected, try from listed location, and fall back |
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183 # to PREFERRED_MIRROR. Do not try normal mirror locations for unstable. |
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184 |
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185 if is_in_list "$BASENAME" $USE_UNSTABLE |
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186 then |
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187 # If extracted source directory exists, don't download alt-tarball. |
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188 [ -e "$SRCTREE/alt-$BASENAME" ] && return 0 |
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189 |
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190 # Download new one as alt-packagename.tar.ext |
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191 FILENAME="$ALTFILENAME" |
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192 SHA1= |
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193 |
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194 ([ ! -z "$PREFERRED_MIRROR" ] && |
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195 download_from "$PREFERRED_MIRROR/$ALTFILENAME") || |
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196 download_from "$UNSTABLE" |
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197 return $? |
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198 fi |
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199 |
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200 # If environment variable specifies a preferred mirror, try that first. |
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201 |
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202 if [ ! -z "$PREFERRED_MIRROR" ] |
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203 then |
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204 download_from "$PREFERRED_MIRROR/$FILENAME" && return 0 |
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205 fi |
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206 |
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207 # Try original location, then mirrors. |
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208 # Note: the URLs in mirror list cannot contain whitespace. |
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209 |
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210 download_from "$URL" && return 0 |
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211 for i in $MIRROR_LIST |
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212 do |
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213 download_from "$i/$FILENAME" && return 0 |
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214 done |
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215 |
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216 # Return failure. |
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217 |
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218 echo "Could not download $FILENAME" |
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219 echo -en "\e[0m" |
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220 return 1 |
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221 } |
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222 |
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223 # Clean obsolete files out of the source directory |
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224 |
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225 START_TIME=`date +%s` |
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226 |
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227 cleanup_oldfiles() |
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228 { |
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229 # wait for asynchronous downloads to complete |
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230 |
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231 wait |
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232 |
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233 for i in "${SRCDIR}"/* |
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234 do |
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235 if [ -f "$i" ] && [ "$(date +%s -r "$i")" -lt "${START_TIME}" ] |
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236 then |
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237 echo Removing old file "$i" |
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238 rm -rf "$i" |
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239 fi |
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240 done |
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241 } |