103 lines
2.8 KiB
Bash
103 lines
2.8 KiB
Bash
#!/usr/bin/env bash
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clear
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echo "Script to download latest release of PowerShell on *nix platforms"
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echo "Verify if GITHUB_TOKEN variable is defined"
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[[ -n $GITHUB_TOKEN ]] || { echo >&2 "GITHUB_TOKEN variable is undefined, Generate one using https://help.github.com/articles/creating-an-access-token-for-command-line-use/"; exit 1; }
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# Authorizes with read-only access to GitHub API
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curl_() {
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curl -s -i -H "Authorization: token $GITHUB_TOKEN" "$@"
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}
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# Retrieves asset ID and package name of asset ending in argument
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# $info looks like: "id": 1698239, "name": "powershell_0.4.0-1_amd64.deb",
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get_info() {
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curl_ https://api.github.com/repos/PowerShell/PowerShell/releases/latest | grep -B 1 "name.*$1"
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}
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echo "Get OS specific asset ID and package name"
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case "$OSTYPE" in
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linux*)
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source /etc/os-release
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echo $ID
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# Install curl and wget to download package
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case "$ID" in
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centos*)
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sudo yum install -y curl wget
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info=$(get_info rpm)
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;;
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ubuntu)
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sudo apt-get install -y curl wget
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info=$(get_info deb)
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;;
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*)
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exit 2 >&2 "Package $NAME is not supported on $OSTYPE!"
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esac
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;;
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darwin*)
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info=$(get_info pkg)
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;;
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*)
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exit 2 >&2 "$OSTYPE is not supported!"
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;;
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esac
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# Parses $info for asset ID and package name
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read asset package <<< $(echo $info | sed 's/[,"]//g' | awk '{ print $2; print $4 }')
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# Downloads asset to file
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curl_ -H 'Accept: application/octet-stream' https://api.github.com/repos/PowerShell/PowerShell/releases/assets/$asset |
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grep location | sed 's/location: //g' | wget -i - -O $package
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# Installs PowerShell package
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case "$OSTYPE" in
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linux*)
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source /etc/os-release
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# Install dependencies
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case "$ID" in
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centos)
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sudo yum install -y libicu libunwind
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sudo yum install "./$package"
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;;
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ubuntu)
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sudo apt-get install -y libunwind8 libicu52
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sudo dpkg -i "./$package"
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;;
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*)
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esac
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;;
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darwin*)
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sudo installer -pkg ./$package -target /
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;;
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esac
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get_smadll_location() {
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dpkg-query --listfiles PowerShell | grep "System.Management.Automation.dll"
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}
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get_powershell_location() {
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dirname $(get_smadll_location)
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}
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get_powershell_symlink() {
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dir /usr/bin/powershell
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}
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install_location=$(get_powershell_location)
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powershell_symlink=$(get_powershell_symlink)
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if [ $install_location ]
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then
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echo "Congratulations! PowerShell \"$package\" is installed @ \"$install_location\""
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fi
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if [ $powershell_symlink ]
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then
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echo "Symlink is available @ \"$powershell_symlink\""
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else
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echo "PowerShell install failed! Check this script's output for information"
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exit -1
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fi
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