forked from mirror/async-std
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159 lines
2.9 KiB
Bash
159 lines
2.9 KiB
Bash
#!/bin/sh
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# NOTE: This is based on https://japaric.github.io/trust/install.sh,
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# but has been modified to not expect a target tag, and to instead
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# expect bzip2 tar files (.tbz2) instead of gzip tar files (.tar.gz)
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set -e
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help() {
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cat <<'EOF'
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Install a binary release of a Rust crate hosted on GitHub
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Usage:
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install.sh [options]
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Options:
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-h, --help Display this message
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--git SLUG Get the crate from "https://github/$SLUG"
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-f, --force Force overwriting an existing binary
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--crate NAME Name of the crate to install (default <repository name>)
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--tag TAG Tag (version) of the crate to install (default <latest release>)
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--target TARGET Install the release compiled for $TARGET (default <`rustc` host>)
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--to LOCATION Where to install the binary (default ~/.cargo/bin)
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EOF
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}
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say() {
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echo "install.sh: $1"
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}
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say_err() {
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say "$1" >&2
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}
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err() {
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if [ ! -z $td ]; then
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rm -rf $td
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fi
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say_err "ERROR $1"
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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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force=false
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while test $# -gt 0; do
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case $1 in
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--crate)
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crate=$2
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shift
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;;
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--force | -f)
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force=true
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;;
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--git)
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git=$2
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shift
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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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;;
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esac
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shift
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done
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# Dependencies
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need basename
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need curl
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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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# Optional dependencies
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if [ -z $crate ] || [ -z $tag ] || [ -z $target ]; then
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need cut
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fi
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if [ -z $tag ]; then
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need rev
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fi
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if [ -z $target ]; then
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need grep
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need rustc
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fi
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if [ -z $git ]; then
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err 'must specify a git repository using `--git`. Example: `install.sh --git japaric/cross`'
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fi
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url="https://github.com/$git"
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say_err "GitHub repository: $url"
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if [ -z $crate ]; then
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crate=$(echo $git | cut -d'/' -f2)
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fi
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say_err "Crate: $crate"
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url="$url/releases"
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if [ -z $tag ]; then
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tag=$(curl -s "$url/latest" | cut -d'"' -f2 | rev | cut -d'/' -f1 | rev)
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say_err "Tag: latest ($tag)"
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else
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say_err "Tag: $tag"
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fi
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if [ -z $target ]; then
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target=$(rustc -Vv | grep host | cut -d' ' -f2)
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fi
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say_err "Target: $target"
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if [ -z $dest ]; then
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dest="$HOME/.cargo/bin"
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fi
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say_err "Installing to: $dest"
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url="$url/download/$tag/$crate-$tag.tbz2"
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td=$(mktemp -d || mktemp -d -t tmp)
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curl -sL $url | tar -C $td -xj
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for f in $(ls $td); do
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test -x $td/$f || continue
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if [ -e "$dest/$f" ] && [ $force = false ]; then
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err "$f already exists in $dest"
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else
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mkdir -p $dest
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install -m 755 $td/$f $dest
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fi
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done
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rm -rf $td
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