1 #!/bin/bash 2 # Run with no arguments from any directory, with no special setup required. 3 4 # Abort if any command returns an error exit status, or if an undefined 5 # variable is used. 6 set -e 7 set -u 8 9 base_dir=$(realpath $(dirname $0)) 10 11 # Extract the latest version from the web page. 12 new_version=$(wget -O - --no-verbose -q http://zlib.net/ | \ 13 grep 'http://zlib.net/zlib-[0-9].*.tar.gz' | \ 14 sed 's/.*zlib-\(.*\)\.tar\.gz.*/\1/') 15 tgz_file="zlib-$new_version.tar.gz" 16 17 echo "Upgrading zlib to version $new_version..." 18 echo "-------------------------------------------------------------------" 19 20 echo "Downloading $tgz_file..." 21 wget -O /tmp/$tgz_file --no-verbose "http://zlib.net/$tgz_file" 22 23 echo "Cleaning out old version..." 24 src_dir=$base_dir/src 25 rm -rf $src_dir 26 27 echo "Unpacking new version..." 28 cd $base_dir 29 tar zxf /tmp/$tgz_file 30 mv zlib-$new_version src 31 32 echo "Configuring new version..." 33 cd src 34 ./configure 35 rm Makefile configure.log 36 cd .. 37 38 echo "Fixing NOTICE file..." 39 grep -A21 'Copyright notice:' src/README | tail -20 > NOTICE 40 41 md5_sum=$(md5sum /tmp/$tgz_file) 42 echo "MD5: $md5_sum" 43
