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ced7f77df5
The current default URL doesn't seem to exist. Unsure wether this should be updated to point to 0.7.2 now or wether just to wait untill 0.8.0 is out and point there? Commit also fixes a minor typo in the macdeploy notes.txt
120 lines
3.3 KiB
Bash
Executable File
120 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
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### This script attempts to download the signature file SHA256SUMS.asc from SourceForge
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### It first checks if the signature passes, and then downloads the files specified in
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### the file, and checks if the hashes of these files match those that are specified
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### in the signature file.
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### The script returns 0 if everything passes the checks. It returns 1 if either the
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### signature check or the hash check doesn't pass. If an error occurs the return value is 2
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function clean_up {
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for file in $*
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do
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rm "$file" 2> /dev/null
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done
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}
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WORKINGDIR="/tmp/bitcoin"
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TMPFILE="hashes.tmp"
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#this URL is used if a version number is not specified as an argument to the script
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SIGNATUREFILE="http://downloads.sourceforge.net/project/bitcoin/Bitcoin/bitcoin-0.7.2/SHA256SUMS.asc"
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SIGNATUREFILENAME="SHA256SUMS.asc"
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RCSUBDIR="test/"
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BASEDIR="http://downloads.sourceforge.net/project/bitcoin/Bitcoin/"
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VERSIONPREFIX="bitcoin-"
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RCVERSIONSTRING="rc"
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if [ ! -d "$WORKINGDIR" ]; then
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mkdir "$WORKINGDIR"
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fi
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cd "$WORKINGDIR"
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#test if a version number has been passed as an argument
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if [ -n "$1" ]; then
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#let's also check if the version number includes the prefix 'bitcoin-',
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# and add this prefix if it doesn't
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if [[ $1 == "$VERSIONPREFIX"* ]]; then
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VERSION="$1"
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else
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VERSION="$VERSIONPREFIX$1"
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fi
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#now let's see if the version string contains "rc", and strip it off if it does
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# and simultaneously add RCSUBDIR to BASEDIR, where we will look for SIGNATUREFILENAME
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if [[ $VERSION == *"$RCVERSIONSTRING"* ]]; then
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BASEDIR="$BASEDIR${VERSION/%-$RCVERSIONSTRING*}/"
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BASEDIR="$BASEDIR$RCSUBDIR"
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else
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BASEDIR="$BASEDIR$VERSION/"
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fi
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SIGNATUREFILE="$BASEDIR$SIGNATUREFILENAME"
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else
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BASEDIR="${SIGNATUREFILE%/*}/"
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fi
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#first we fetch the file containing the signature
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WGETOUT=$(wget -N "$BASEDIR$SIGNATUREFILENAME" 2>&1)
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#and then see if wget completed successfully
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if [ $? -ne 0 ]; then
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echo "Error: couldn't fetch signature file. Have you specified the version number in the following format?"
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echo "[bitcoin-]<version>-[rc[0-9]] (example: bitcoin-0.7.1-rc1)"
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echo "wget output:"
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echo "$WGETOUT"|sed 's/^/\t/g'
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exit 2
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fi
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#then we check it
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GPGOUT=$(gpg --yes --decrypt --output "$TMPFILE" "$SIGNATUREFILENAME" 2>&1)
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#return value 0: good signature
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#return value 1: bad signature
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#return value 2: gpg error
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RET="$?"
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if [ $RET -ne 0 ]; then
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if [ $RET -eq 1 ]; then
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#and notify the user if it's bad
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echo "Bad signature."
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elif [ $RET -eq 2 ]; then
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#or if a gpg error has occurred
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echo "gpg error. Do you have Gavin's code signing key installed?"
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fi
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echo "gpg output:"
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echo "$GPGOUT"|sed 's/^/\t/g'
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clean_up $SIGNATUREFILENAME $TMPFILE
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exit "$RET"
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fi
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#here we extract the filenames from the signature file
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FILES=$(awk '{print $2}' "$TMPFILE")
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#and download these one by one
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for file in in $FILES
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do
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wget --quiet -N "$BASEDIR$file"
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done
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#check hashes
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DIFF=$(diff <(sha256sum $FILES) "$TMPFILE")
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if [ $? -eq 1 ]; then
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echo "Hashes don't match."
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echo "Offending files:"
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echo "$DIFF"|grep "^<"|awk '{print "\t"$3}'
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exit 1
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elif [ $? -gt 1 ]; then
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echo "Error executing 'diff'"
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exit 2
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fi
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#everything matches! clean up the mess
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clean_up $FILES $SIGNATUREFILENAME $TMPFILE
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exit 0
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