178 lines
3.4 KiB
Bash
Executable File
178 lines
3.4 KiB
Bash
Executable File
#!/usr/bin/env sh
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set -eu
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if [ -n "${GITHUB_ACTIONS-}" ]; then
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set -x
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fi
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# Check pipefail support in a subshell, ignore if unsupported
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# shellcheck disable=SC3040
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(set -o pipefail 2> /dev/null) && set -o pipefail
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help() {
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cat <<'EOF'
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Install a binary release of a just hosted on GitHub
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USAGE:
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install [options]
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FLAGS:
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-h, --help Display this message
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-f, --force Force overwriting an existing binary
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OPTIONS:
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--tag TAG Tag (version) of the crate to install, defaults to latest release
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--to LOCATION Where to install the binary [default: ~/bin]
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--target TARGET
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EOF
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}
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crate=just
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url=https://github.com/casey/just
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releases=$url/releases
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say() {
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echo "install: $*" >&2
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}
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err() {
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if [ -n "${td-}" ]; then
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rm -rf "$td"
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fi
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say "error: $*"
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exit 1
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}
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need() {
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if ! command -v "$1" > /dev/null 2>&1; then
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err "need $1 (command not found)"
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fi
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}
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download() {
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url="$1"
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output="$2"
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if command -v curl > /dev/null; then
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curl --proto =https --tlsv1.2 -sSfL "$url" "-o$output"
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else
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wget --https-only --secure-protocol=TLSv1_2 --quiet "$url" "-O$output"
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fi
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}
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force=false
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while test $# -gt 0; do
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case $1 in
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--force | -f)
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force=true
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;;
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--help | -h)
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help
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exit 0
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;;
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--tag)
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tag=$2
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shift
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;;
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--target)
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target=$2
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shift
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;;
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--to)
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dest=$2
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shift
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;;
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*)
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say "error: unrecognized argument '$1'. Usage:"
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help
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exit 1
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;;
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esac
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shift
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done
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command -v curl > /dev/null 2>&1 ||
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command -v wget > /dev/null 2>&1 ||
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err "need wget or curl (command not found)"
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need install
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need mkdir
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need mktemp
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need tar
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if [ -z "${tag-}" ]; then
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need grep
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need cut
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fi
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if [ -z "${target-}" ]; then
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need cut
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fi
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if [ -z "${dest-}" ]; then
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dest="$HOME/bin"
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fi
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if [ -z "${tag-}" ]; then
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tag=$(
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download https://api.github.com/repos/casey/just/releases/latest - |
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grep tag_name |
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cut -d'"' -f4
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)
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fi
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if [ -z "${target-}" ]; then
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# bash compiled with MINGW (e.g. git-bash, used in github windows runners),
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# unhelpfully includes a version suffix in `uname -s` output, so handle that.
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# e.g. MINGW64_NT-10-0.19044
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kernel=$(uname -s | cut -d- -f1)
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uname_target="$(uname -m)-$kernel"
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case $uname_target in
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aarch64-Linux) target=aarch64-unknown-linux-musl;;
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arm64-Darwin) target=aarch64-apple-darwin;;
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x86_64-Darwin) target=x86_64-apple-darwin;;
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x86_64-Linux) target=x86_64-unknown-linux-musl;;
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x86_64-MINGW64_NT) target=x86_64-pc-windows-msvc;;
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x86_64-Windows_NT) target=x86_64-pc-windows-msvc;;
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*)
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# shellcheck disable=SC2016
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err 'Could not determine target from output of `uname -m`-`uname -s`, please use `--target`:' "$uname_target"
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;;
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esac
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fi
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case $target in
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x86_64-pc-windows-msvc) extension=zip; need unzip;;
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*) extension=tar.gz;;
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esac
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archive="$releases/download/$tag/$crate-$tag-$target.$extension"
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say "Repository: $url"
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say "Crate: $crate"
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say "Tag: $tag"
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say "Target: $target"
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say "Destination: $dest"
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say "Archive: $archive"
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td=$(mktemp -d || mktemp -d -t tmp)
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if [ "$extension" = "zip" ]; then
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download "$archive" "$td/just.zip"
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unzip -d "$td" "$td/just.zip"
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else
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download "$archive" - | tar -C "$td" -xz
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fi
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if [ -e "$dest/just" ] && [ "$force" = false ]; then
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err "\`$dest/just\` already exists"
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else
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mkdir -p "$dest"
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install -m 755 "$td/just" "$dest"
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fi
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rm -rf "$td"
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