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Add SHA checking to get.sh download script #425

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Merged
alexellis merged 1 commit into from
Jul 3, 2018
Merged

Add SHA checking to get.sh download script #425

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28 changes: 23 additions & 5 deletions get.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,20 @@ hasCli() {
fi
}

checkHash(){
if [ -x "$(command -v shasum)" ]; then

targetFileDir=${targetFile%/*}

(cd $targetFileDir && curl -sSL $url.sha256|shasum -c -s)

if [ "$?" != "0" ]; then
rm $targetFile
echo "Binary checksum didn't match. Exiting"
exit 1
fi
fi
}

getPackage() {
uname=$(uname)
Expand All @@ -56,10 +70,10 @@ getPackage() {
;;
esac

targetFile="/tmp/faas-cli"
targetFile="/tmp/faas-cli$suffix"

if [ "$userid" != "0" ]; then
targetFile="$(pwd)/faas-cli"
targetFile="$(pwd)/faas-cli$suffix"
fi

if [ -e $targetFile ]; then
Expand All @@ -69,10 +83,12 @@ getPackage() {
url=https://github.com/openfaas/faas-cli/releases/download/$version/faas-cli$suffix
echo "Downloading package $url as $targetFile"

curl -sSL $url > $targetFile
curl -sSL $url --output $targetFile

if [ "$?" = "0" ]; then

checkHash

chmod +x $targetFile

echo "Download complete."
Expand All @@ -85,7 +101,7 @@ getPackage() {
echo "== following commands may need to be run manually =="
echo "========================================================="
echo
echo " sudo cp faas-cli /usr/local/bin/"
echo " sudo cp faas-cli$suffix /usr/local/bin/faas-cli"
echo " sudo ln -sf /usr/local/bin/faas-cli /usr/local/bin/faas"
echo

Expand All @@ -94,7 +110,7 @@ getPackage() {
echo
echo "Running as root - Attemping to move faas-cli to /usr/local/bin"

mv $targetFile /usr/local/bin/
mv $targetFile /usr/local/bin/faas-cli

if [ "$?" = "0" ]; then
echo "New version of faas-cli installed to /usr/local/bin"
Expand All @@ -108,6 +124,8 @@ getPackage() {
ln -s /usr/local/bin/faas-cli /usr/local/bin/faas
echo "Creating alias 'faas' for 'faas-cli'."
fi

faas-cli version
fi
fi
}
Expand Down