PowerShell7/download.sh
2016-05-19 13:36:26 -07:00

51 lines
1.5 KiB
Bash
Executable File

#!/usr/bin/env bash
[[ -n $GITHUB_TOKEN ]] || { echo >&2 "GITHUB_TOKEN variable is undefined, please provide token"; exit 1; }
# Authorizes with read-only access to GitHub API
curl_() {
curl -s -i -H "Authorization: token $GITHUB_TOKEN" "$@"
}
# Retrieves asset ID and package name of asset ending in argument
# $info looks like: "id": 1698239, "name": "powershell_0.4.0-1_amd64.deb",
get_info() {
curl_ https://api.github.com/repos/PowerShell/PowerShell/releases/latest | grep -B 1 "name.*$1"
}
# Get OS specific asset ID and package name
case "$OSTYPE" in
linux*)
# Install curl and wget to download package
sudo apt-get install -y curl wget
info=$(get_info deb)
;;
darwin*)
info=$(get_info pkg)
;;
*)
exit 2 >&2 "$OSTYPE not supported!"
;;
esac
# Parses $info for asset ID and package name
read asset package <<< $(echo $info | sed 's/[,"]//g' | awk '{ print $2; print $4 }')
# Downloads asset to file
curl_ -H 'Accept: application/octet-stream' https://api.github.com/repos/PowerShell/PowerShell/releases/assets/$asset |
grep location | sed 's/location: //g' | wget -i - -O $package
# Installs PowerShell package
case "$OSTYPE" in
linux*)
# Install dependencies
sudo apt-get install -y libunwind8 libicu52
sudo dpkg -i ./$package
;;
darwin*)
sudo installer -pkg ./$package -target /
;;
esac
echo "Congratulations! PowerShell is now installed."