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@@ -2,3 +2,5 @@ scalac_plugin( | |
name="acyclic", | ||
artifact="3rdparty/jvm/com/lihaoyi:acyclic", | ||
) | ||
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shell_sources(name="get-pants") |
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#!/usr/bin/env bash | ||
# Copyright 2023 Pants project contributors (see CONTRIBUTORS.md). | ||
# Licensed under the Apache License, Version 2.0 (see LICENSE). | ||
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set -euo pipefail | ||
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COLOR_RED="\x1b[31m" | ||
COLOR_GREEN="\x1b[32m" | ||
COLOR_YELLOW="\x1b[33m" | ||
COLOR_RESET="\x1b[0m" | ||
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function log() { | ||
echo -e "$@" 1>&2 | ||
} | ||
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function die() { | ||
(($# > 0)) && log "${COLOR_RED}$*${COLOR_RESET}" | ||
exit 1 | ||
} | ||
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function green() { | ||
(($# > 0)) && log "${COLOR_GREEN}$*${COLOR_RESET}" | ||
} | ||
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function warn() { | ||
(($# > 0)) && log "${COLOR_YELLOW}$*${COLOR_RESET}" | ||
} | ||
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function check_cmd() { | ||
local cmd="$1" | ||
command -v "$cmd" > /dev/null || die "This script requires the ${cmd} binary to be on the PATH." | ||
} | ||
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help_url="https://www.pantsbuild.org/docs/getting-help" | ||
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_GC=() | ||
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function gc() { | ||
if (($# > 0)); then | ||
check_cmd rm | ||
_GC+=("$@") | ||
else | ||
rm -rf "${_GC[@]}" | ||
fi | ||
} | ||
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trap gc EXIT | ||
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check_cmd uname | ||
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function calculate_os() { | ||
local os | ||
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os="$(uname -s)" | ||
if [[ "${os}" =~ [Ll]inux ]]; then | ||
echo linux | ||
elif [[ "${os}" =~ [Dd]arwin ]]; then | ||
echo macos | ||
elif [[ "${os}" =~ [Ww]in|[Mm][Ii][Nn][Gg] ]]; then | ||
# Powershell reports something like: Windows_NT | ||
# Git bash reports something like: MINGW64_NT-10.0-22621 | ||
echo windows | ||
else | ||
die "Pants is not supported on this operating system (${os}). Please reach out to us at ${help_url} for help." | ||
fi | ||
} | ||
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OS="$(calculate_os)" | ||
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check_cmd basename | ||
if [[ "${OS}" == "windows" ]]; then | ||
check_cmd pwsh | ||
else | ||
check_cmd curl | ||
fi | ||
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function fetch() { | ||
local url="$1" | ||
local dest_dir="$2" | ||
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local dest | ||
dest="${dest_dir}/$(basename "${url}")" | ||
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if [[ "${OS}" == "windows" ]]; then | ||
pwsh -c "Invoke-WebRequest -OutFile $dest -Uri $url" | ||
else | ||
curl --proto '=https' --tlsv1.2 -sSfL -o "${dest}" "${url}" | ||
fi | ||
} | ||
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if [[ "${OS}" == "macos" ]]; then | ||
check_cmd shasum | ||
else | ||
check_cmd sha256sum | ||
fi | ||
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function sha256() { | ||
if [[ "${OS}" == "macos" ]]; then | ||
shasum --algorithm 256 "$@" | ||
else | ||
sha256sum "$@" | ||
fi | ||
} | ||
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check_cmd mktemp | ||
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function install_from_url() { | ||
local url="$1" | ||
local dest="$2" | ||
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local workdir | ||
workdir="$(mktemp -d)" | ||
gc "${workdir}" | ||
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fetch "${url}.sha256" "${workdir}" | ||
fetch "${url}" "${workdir}" | ||
( | ||
cd "${workdir}" | ||
sha256 -c --status ./*.sha256 || | ||
die "Download from ${url} did not match the fingerprint at ${url}.sha256" | ||
) | ||
rm "${workdir}/"*.sha256 | ||
if [[ "${OS}" == "macos" ]]; then | ||
mkdir -p "$(dirname "${dest}")" | ||
install -m 755 "${workdir}/"* "${dest}" | ||
else | ||
install -D -m 755 "${workdir}/"* "${dest}" | ||
fi | ||
} | ||
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function calculate_arch() { | ||
local arch | ||
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arch="$(uname -m)" | ||
if [[ "${arch}" =~ x86[_-]64 ]]; then | ||
echo x86_64 | ||
elif [[ "${arch}" =~ arm64|aarch64 ]]; then | ||
echo aarch64 | ||
else | ||
die "Pants is not supported for this chip architecture (${arch}). Please reach out to us at ${help_url} for help." | ||
fi | ||
} | ||
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check_cmd cat | ||
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function usage() { | ||
cat << EOF | ||
Usage: $0 | ||
Installs the pants launcher binary. | ||
You only need to run this once on a machine when you do not have "pants" | ||
available to run yet. | ||
The pants binary takes care of managing and running the underlying | ||
Pants version configured in "pants.toml" in the surrounding Pants-using | ||
project. | ||
Once installed, if you want to update your "pants" launcher binary, use | ||
"SCIE_BOOT=update pants" to get the latest release or | ||
"SCIE_BOOT=update pants --help" to learn more options. | ||
-h | --help: Print this help message. | ||
-d | --bin-dir: | ||
The directory to install the scie-pants binary in, "~/bin" by default. | ||
-b | --base-name: | ||
The name to use for the scie-pants binary, "pants" by default. | ||
-V | --version: | ||
The version of the scie-pants binary to install, the latest version by default. | ||
The available versions can be seen at: | ||
https://github.com/pantsbuild/scie-pants/releases | ||
EOF | ||
} | ||
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bin_dir="${HOME}/bin" | ||
base_name="pants" | ||
version="latest/download" | ||
while (($# > 0)); do | ||
case "$1" in | ||
--help | -h) | ||
usage | ||
exit 0 | ||
;; | ||
--bin-dir | -d) | ||
bin_dir="$2" | ||
shift | ||
;; | ||
--base-name | -b) | ||
base_name="$2" | ||
shift | ||
;; | ||
--version | -V) | ||
version="download/v$2" | ||
shift | ||
;; | ||
*) | ||
usage | ||
die "Unexpected argument $1\n" | ||
;; | ||
esac | ||
shift | ||
done | ||
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ARCH="$(calculate_arch)" | ||
URL="https://github.com/pantsbuild/scie-pants/releases/${version}/scie-pants-${OS}-${ARCH}" | ||
dest="${bin_dir}/${base_name}" | ||
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log "Downloading and installing the pants launcher ..." | ||
install_from_url "${URL}" "${dest}" | ||
green "Installed the pants launcher from ${URL} to ${dest}" | ||
if ! command -v "${base_name}" > /dev/null; then | ||
warn "${dest} is not on the PATH." | ||
log "You'll either need to invoke ${dest} explicitly or else add ${bin_dir} to your shell's PATH." | ||
fi | ||
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green "\nRunning \`pants\` in a Pants-enabled repo will use the version of Pants configured for that repo." | ||
green "In a repo not yet Pants-enabled, it will prompt you to set up Pants for that repo." |
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