1 | #!/bin/bash |
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2 | # |
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3 | # Tarball handling functions for cross-lfs build |
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4 | # ----------------------------------------------- |
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5 | # $LastChangedBy$ |
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6 | # $LastChangedDate$ |
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7 | # $LastChangedRevision$ |
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8 | # $HeadURL$ |
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9 | # |
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10 | |
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11 | # Check for stuff |
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12 | #---------------- |
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13 | |
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14 | # Check for a grep which takes -E |
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15 | for dir in "" /bin/ /usr/bin/ /usr/xpg4/bin/ /usr/local/bin/ ; do |
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16 | echo X | ${dir}grep -E X > /dev/null 2>&1 && |
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17 | { |
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18 | export GREP="${dir}grep" |
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19 | break |
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20 | } |
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21 | done |
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22 | |
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23 | if [ "${GREP}" = "" ]; then |
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24 | echo "install a grep on the system that handles -E" |
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25 | exit 1 |
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26 | fi |
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27 | |
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28 | fetch() { |
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29 | |
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30 | # find and fetch files with wget by using the google "I'm feeling lucky" search |
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31 | #------------------------------------------------------------------------------ |
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32 | # Many, many thanks to Glenn Sommer <glemsom_at_hotpop.com> for this damn cool |
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33 | # bit of scriptage ;-) |
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34 | # |
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35 | # Probably a bit more sanity checking wouldn't go astray... but hey ;-) |
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36 | |
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37 | if [ -z "${1}" ]; then |
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38 | echo "fetch: error, no file specified" 2>&1 |
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39 | return 1 |
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40 | fi |
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41 | |
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42 | echo -n " o searching for ${1} tarball ... " |
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43 | |
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44 | # We search for "Index of" - hoping to catch some ftp server |
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45 | # And then we search for the filename |
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46 | google_lucky_search="http://www.google.com/search?hl=en&q=%22Index+of%22+${1}&btnI=I%27m+Feeling+Lucky&meta=" |
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47 | |
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48 | location=`wget -c -U Mozilla ${google_lucky_search} 2>&1 | |
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49 | grep Location | \ |
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50 | head -n 1 | \ |
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51 | sed -e 's/Location: \(.*\) \[following\].*$/\1/'` |
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52 | rm -f index.html |
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53 | |
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54 | if [ -z "${location}" ]; then |
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55 | echo "failed" |
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56 | return 1 |
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57 | fi |
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58 | |
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59 | echo -e "found" |
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60 | echo " o retrieving ${location}${1}" |
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61 | wget -c ${location}${1} 2>&1 |
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62 | |
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63 | } |
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64 | |
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65 | fetch_tarball() { # ${1} should be a package name w version |
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66 | for type in tar.bz2 tar.gz tgz tar bleh; do |
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67 | fetch ${1}.${type} |
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68 | if [ "${?}" = "0" ]; then return 0 ; fi |
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69 | # if the following is true, we failed in our mission |
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70 | if [ "${type}" = "bleh" ]; then return 1 ; fi |
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71 | done |
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72 | } |
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73 | |
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74 | unpack_tarball() { # ${1}=<package-${PACKAGE_VER}> ${2} |
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75 | local pkgname=${1} |
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76 | shift |
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77 | local filelist="${@}" |
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78 | # Easier add of .tgz |
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79 | |
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80 | # if PACKAGE_VER was not set for this package, warn but exit with no error. |
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81 | # this is so we can disable the build of a package by not exporting its |
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82 | # PACKAGE_VER variable in plfs-packages |
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83 | echo "${pkgname}" | ${GREP} -E \\-$ > /dev/null 2>&1 |
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84 | if [ "${?}" = 0 ]; then |
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85 | echo "unpack_tarball: skipping script ${0}, package version not set" |
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86 | exit 0 |
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87 | fi |
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88 | |
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89 | local archive=`ls -t ${TARBALLS}/${pkgname}* 2> /dev/null | \ |
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90 | ${GREP} -E ${pkgname}.\(tgz\|tar.gz\|tar.bz2\|tar\)$ | head -n 1` |
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91 | |
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92 | if [ -z ${archive} ]; then |
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93 | echo "unpack_tarball: unable to locate tarball for '${pkgname}' in ${TARBALLS} ... exiting" |
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94 | exit 1 |
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95 | fi |
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96 | |
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97 | case ${archive} in |
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98 | *.gz | *.tgz ) local CAT="gzip -dc" ;; |
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99 | *.bz2 ) local CAT="bzcat" ;; |
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100 | *.tar ) local CAT="cat" ;; |
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101 | * ) echo "unpack_tarball: unable to determine tarball type... exiting" |
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102 | exit 1 ;; |
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103 | esac |
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104 | |
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105 | # May as well provide a method for passing back the directory the tarball |
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106 | # unpacks to. |
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107 | # Should save some trauma when a tarball doesn't extract to where is expected |
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108 | # ( usually package-${PACKAGE_VER} but not always... ) |
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109 | # store in environment as PKGDIR. |
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110 | |
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111 | echo -e "\n${BRKLN}" |
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112 | echo -n "Checking tarball install directory... " |
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113 | export PKGDIR=`${CAT} ${archive} | tar -tf - | \ |
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114 | head -n 1 | sed -e 's@^\./@@g' -e 's@/.*$@@g'` |
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115 | |
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116 | if [ -z ${PKGDIR} ]; then |
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117 | echo "Error: unable to determine tarball contents, exiting" |
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118 | exit 1 |
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119 | else |
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120 | echo "${PKGDIR}" |
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121 | fi |
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122 | |
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123 | # If we are not doing a full unpack of the tarball, don't delete ${PKGDIR} |
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124 | if [ ! -z "${filelist}" ]; then |
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125 | # prepend ${PKGDIR} to each required file |
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126 | filelist=`echo ${filelist} | \ |
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127 | sed "s@\([-+_a-zA-Z0-9/.]* \?\)@${PKGDIR}/\1@g"` |
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128 | elif [ -d ${PKGDIR} ]; then |
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129 | echo -n "Removing existing ${PKGDIR} directory... " |
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130 | rm -rf ${PKGDIR} && echo "DONE" || |
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131 | echo "Error removing ${PKGDIR}... "; #return 1 |
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132 | fi |
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133 | |
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134 | |
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135 | echo "Unpacking ${archive}" |
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136 | ${CAT} ${archive} | tar -xf - ${filelist} 2> /dev/null && |
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137 | echo " o ${1} unpacked successfully" || |
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138 | { |
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139 | echo "unpack_tarball: unable to unpack tarball ${archive}... exiting" |
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140 | exit 1 |
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141 | } |
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142 | |
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143 | return 0 |
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144 | } |
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145 | |
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146 | check_tarballs () { |
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147 | # ${GREP}s through the either the calling script or the script(s) |
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148 | # passed as args for calls to unpack_tarball. |
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149 | # This function expects the scripts to be stored in ${SCRIPTS}. |
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150 | # |
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151 | # It will store the list of packages required in the list PKGS |
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152 | # All will have their variable components unexpanded. |
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153 | |
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154 | LIST="" |
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155 | ARGS="${@}" |
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156 | if [ ! -z "${ARGS}" ]; then |
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157 | for script in ${ARGS}; do |
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158 | if [ -f ${SCRIPTS}/${script} ]; then |
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159 | LIST="${LIST} ${SCRIPTS}/${script}" |
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160 | else |
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161 | echo "check_tarballs: build script ${SCRIPTS}/${script} not found... skipping" 1>&2 |
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162 | fi |
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163 | done |
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164 | elif [ ! -z ${SELF} -a -f ${SCRIPTS}/${SELF} ]; then |
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165 | LIST=${SCRIPTS}/${SELF} |
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166 | fi |
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167 | |
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168 | test -z "${LIST}" && |
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169 | { |
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170 | echo "check_tarballs: no build scripts found... exiting" |
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171 | exit 1 |
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172 | } |
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173 | |
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174 | # Retrieve package defs from unpack_tarball calls into a list |
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175 | local PKGS="$( cat ${LIST} | \ |
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176 | ${GREP} -E '^[[:blank:]]*unpack_tarball (\w|-)*\${\w*}' | \ |
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177 | awk '{print $2}' | sort -u )" |
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178 | |
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179 | echo -e "\nChecking for required tarballs in ${TARBALLS}\n${BRKLN}" |
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180 | |
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181 | # loop through list |
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182 | for pkg in ${PKGS} ; do |
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183 | |
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184 | # check if the ${PKG_VER} variable is set in plfs-config |
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185 | # If not ignore the package |
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186 | ver_var=`echo ${pkg} | sed 's@.*\(${.*}\).*@\1@g'` |
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187 | eval ver=${ver_var} |
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188 | if [ -z ${ver} ]; then continue ; fi |
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189 | |
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190 | # do variable expansion on ${pkg} |
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191 | eval pkgname=${pkg} |
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192 | # check if this package is used |
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193 | check_pkg_used ${pkgname} || continue |
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194 | echo -n " o Looking for ${pkgname}... " |
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195 | # check for the existence of the tarball |
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196 | #local archive=`ls -t ${TARBALLS}/${pkgname}.@(tgz|tar.gz|tar.bz2) \ |
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197 | # 2> /dev/null | head -n 1` |
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198 | local archive=`ls -t ${TARBALLS}/${pkgname}* 2> /dev/null | \ |
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199 | ${GREP} -E ${pkgname}.\(tgz\|tar.gz\|tar.bz2\|tar\)$ | head -n 1` |
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200 | |
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201 | if [ -z "${archive}" ]; then |
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202 | echo "not found" |
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203 | |
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204 | # Attempt to download it from the net |
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205 | cd ${TARBALLS} |
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206 | fetch_tarball ${pkgname} || { |
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207 | echo -e "XXXXXX NOT FOUND: Unable to locate tarball for '${pkgname}' XXXXXX" |
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208 | exit 1 |
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209 | } |
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210 | else |
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211 | echo -e "OK\n Found: ${archive}" |
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212 | fi |
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213 | |
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214 | done |
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215 | echo -e " o ALL OK\n${BRKLN}\n" |
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216 | } |
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217 | |
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218 | # Following two functions are interim hacks for check_patches and |
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219 | # check_tarballs to get around conditional packages/patches |
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220 | # these will be revisited |
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221 | |
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222 | check_pkg_used () { |
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223 | case ${1} in |
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224 | glibc-linuxthreads* ) |
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225 | #test Y = "${USE_NPTL}" && return 1 |
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226 | return 1 |
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227 | ;; |
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228 | nptl-* ) |
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229 | test Y = "${USE_NPTL}" || return 1 |
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230 | ;; |
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231 | udev-* ) |
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232 | test Y = "${UDEV}" || return 1 |
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233 | ;; |
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234 | esac |
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235 | return 0 |
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236 | } |
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237 | |
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238 | # Export functions |
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239 | export -f check_tarballs |
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240 | export -f fetch |
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241 | export -f fetch_tarball |
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242 | export -f unpack_tarball |
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243 | export -f check_pkg_used |
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244 | |
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