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ferret/install.sh

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#!/bin/bash
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defaultLocation="/usr/local/bin"
defaultVersion="latest"
location=${LAB_LOCATION:-$defaultLocation}
version=${LAB_VERSION:-$defaultVersion}
echo "Installing location $location"
# Copyright MontFerret Team 2020
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version=$(curl -sI https://github.com/MontFerret/ferret/releases/latest | grep location | awk -F"/" '{ printf "%s", $NF }' | tr -d '\r')
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if [ ! $version ]; then
echo "Failed while attempting to install ferret-cli. Please manually install:"
echo ""
echo "1. Open your web browser and go to https://github.com/MontFerret/ferret/releases"
echo "2. Download the latest release for your platform."
echo "3. chmod +x ./ferret"
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echo "4. mv ./ferret $location"
exit 1
fi
hasCli() {
has=$(which ferret)
if [ "$?" = "0" ]; then
echo
echo "You already have the ferret!"
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export n=5
echo "Overwriting in $n seconds... Press Control+C to cancel."
echo
sleep $n
fi
hasCurl=$(which curl)
if [ "$?" = "1" ]; then
echo "You need curl to use this script."
exit 1
fi
hasTar=$(which tar)
if [ "$?" = "1" ]; then
echo "You need tar to use this script."
exit 1
fi
}
checkHash(){
sha_cmd="sha256sum"
if [ ! -x "$(command -v $sha_cmd)" ]; then
sha_cmd="shasum -a 256"
fi
if [ -x "$(command -v $sha_cmd)" ]; then
(cd $targetDir && curl -sSL $baseUrl/ferret_checksums.txt | $sha_cmd -c >/dev/null)
if [ "$?" != "0" ]; then
# rm $targetFile
echo "Binary checksum didn't match. Exiting"
exit 1
fi
fi
}
getPackage() {
uname=$(uname)
userid=$(id -u)
platform=""
case $uname in
"Darwin")
platform="_darwin"
;;
"Linux")
platform="_linux"
;;
esac
uname=$(uname -m)
arch=""
case $uname in
"x86_64")
arch="_x86_64"
;;
esac
case $uname in
"aarch64")
arch="_arm64"
;;
esac
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if [ "$arch" = "" ]; then
echo "$arch is not supported. Exiting"
exit 1
fi
suffix=$platform$arch
targetDir="/tmp/ferret$suffix"
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if [ "$userid" != "0" ]; then
targetDir="$(pwd)/ferret$suffix"
fi
if [ ! -d $targetDir ]; then
mkdir $targetDir
fi
targetFile="$targetDir/ferret"
if [ -e $targetFile ]; then
rm $targetFile
fi
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echo
if [ $location = $defaultLocation ]; then
if [ "$userid" != "0" ]; then
echo
echo "========================================================="
echo "== As the script was run as a non-root user the =="
echo "== following commands may need to be run manually =="
echo "========================================================="
echo
echo " sudo cp $targetFile $location/ferret"
echo " rm -rf $targetDir"
echo
exit 1
fi
fi
if [ ! -d $location ]; then
mkdir $location
fi
baseUrl=https://github.com/MontFerret/ferret/releases/download/$version
url=$baseUrl/ferret$suffix.tar.gz
echo "Downloading package $url as $targetFile"
curl -sSL $url | tar xz -C $targetDir
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if [ "$?" != "0" ]; then
echo "Failed to download file"
exit 1
fi
# checkHash
chmod +x $targetFile
echo "Download complete."
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echo
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echo "Attempting to move $targetFile to $location"
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mv $targetFile "$location/ferret"
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if [ "$?" = "0" ]; then
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echo "New version of ferret installed to $location"
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fi
if [ -d $targetDir ]; then
rm -rf $targetDir
fi
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"$location/ferret" --version
}
hasCli
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getPackage