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Copy pathinstall.sh
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executable file
·200 lines (163 loc) · 4.34 KB
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#!/bin/sh
set -e
#
# Railway CLI
#
# See https://railway.docs/cli for installation instructions
#
# This script is meant for quick installs via sh
# sh -c "$(curl -sSL https://github.com/railwayapp/cli/blob/master/install.sh)"
#
INSTALL_DIR=${INSTALL_DIR:-"/usr/local/bin"}
BINARY_NAME=${BINARY_NAME:-"railway"}
REPO_NAME="railwayapp/cli"
ISSUE_URL="https://github.com/railwayapp/cli/issues/new"
# Usage
# get_latest_release "railwayapp/cli"
get_latest_release() {
curl --silent "https://api.github.com/repos/$1/releases/latest" | # Get latest release from GitHub api
grep '"tag_name":' | # Get tag line
sed -E 's/.*"([^"]+)".*/\1/' # Pluck JSON value
}
get_asset_name() {
echo "railway_$1_$2_$3.tar.gz"
}
get_download_url() {
local asset_name=$(get_asset_name $1 $2 $3)
echo "https://github.com/railwayapp/cli/releases/download/v$1/${asset_name}"
}
get_checksum_url() {
echo "https://github.com/railwayapp/cli/releases/download/v$1/railway_$1_checksums.txt"
}
command_exists() {
command -v "$@" >/dev/null 2>&1
}
fmt_error() {
echo ${RED}"Error: $@"${RESET} >&2
}
fmt_warning() {
echo ${YELLOW}"Warning: $@"${RESET} >&2
}
fmt_underline() {
echo "$(printf '\033[4m')$@$(printf '\033[24m')"
}
fmt_code() {
echo "\`$(printf '\033[38;5;247m')$@${RESET}\`"
}
setup_color() {
# Only use colors if connected to a terminal
if [ -t 1 ]; then
RED=$(printf '\033[31m')
GREEN=$(printf '\033[32m')
YELLOW=$(printf '\033[33m')
BLUE=$(printf '\033[34m')
MAGENTA=$(printf '\033[35m')
BOLD=$(printf '\033[1m')
RESET=$(printf '\033[m')
else
RED=""
GREEN=""
YELLOW=""
BLUE=""
MAGENTA=""
BOLD=""
RESET=""
fi
}
get_os() {
case "$(uname -s)" in
*linux* ) echo "linux" ;;
*Linux* ) echo "linux" ;;
*darwin* ) echo "darwin" ;;
*Darwin* ) echo "darwin" ;;
esac
}
get_machine() {
case "$(uname -m)" in
"x86_64"|"amd64"|"x64")
echo "amd64" ;;
"i386"|"i86pc"|"x86"|"i686")
echo "i386" ;;
esac
}
get_tmp_dir() {
echo $(mktemp -d)
}
do_checksum() {
checksum_url=$(get_checksum_url $version)
expected_checksum=$(curl -sL $checksum_url | grep $asset_name | awk '{print $1}')
if command_exists sha256sum; then
checksum=$(sha256sum $asset_name | awk '{print $1}')
elif command_exists shasum; then
checksum=$(shasum -a 256 $asset_name | awk '{print $1}')
else
fmt_warning "Could not find a checksum program. Install shasum or sha256sum to validate checksum."
return 0
fi
if [ "$checksum" != "$expected_checksum" ]; then
fmt_error "Checksums do not match"
exit 1
fi
}
do_install_binary() {
asset_name=$(get_asset_name $version $os $machine)
download_url=$(get_download_url $version $os $machine)
command_exists curl || {
fmt_error "curl is not installed"
exit 1
}
command_exists tar || {
fmt_error "tar is not install"
exit 1
}
local tmp_dir=$(get_tmp_dir)
# Download tar.gz to tmp directory
echo "Downloading $download_url"
(cd $tmp_dir && curl -sL -O "$download_url")
(cd $tmp_dir && do_checksum)
# Extract download
(cd $tmp_dir && tar -xzf "$asset_name")
# Install binary
mv "$tmp_dir/$BINARY_NAME" $INSTALL_DIR
echo "Installed railway to $INSTALL_DIR"
# Cleanup
rm -rf $tmp_dir
}
main() {
setup_color
latest_tag=$(get_latest_release $REPO_NAME)
latest_version=$(echo $latest_tag | sed 's/v//')
version=${VERSION:-$latest_version}
os=$(get_os)
if test -z "$os"; then
fmt_error "$(uname -s) is not supported"
echo "Please create an issue so we can add support. $ISSUE_URL"
exit 1
fi
machine=$(get_machine)
if test -z "$machine"; then
fmt_error "$(uname -m) is not supported"
echo "Please create an issue so we can add support. $ISSUE_URL"
exit 1
fi
do_install_binary
printf "$MAGENTA"
cat <<'EOF'
.
/^\ .
/\ "V"
/__\ I O o
//..\\ I . Poof!
\].`[/ I
/l\/j\ (] . O
/. ~~ ,\/I . Railway is now installed
\\L__j^\/I o Run `railway help` for commands
\/--v} I o .
| | I _________
| | I c(` ')o
| l I \. ,/
_/j L l\_! _//^---^\\_
EOF
printf "$RESET"
}
main