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|
#!/bin/sh
# modified from https://github.com/japaric/trust/blob/gh-pages/install.sh.
set -e
help() {
cat <<'EOF'
Install a binary release of a Rust crate hosted on GitHub
Usage:
install-crate.sh [options]
Options:
-h, --help Display this message
-q, --quiet Silence all output
--git SLUG Get the crate from "https://github/$SLUG"
-f, --force Force overwriting an existing binary
--crate NAME Name of the crate to install (default <repository name>)
--tag TAG Tag (version) of the crate to install (default <latest release>)
--no-tag Do not tag between the crate and the target in the url
--target TARGET Install the release compiled for $TARGET (default <`rustc` host>)
--to LOCATION Where to install the binary (default ~/.cargo/bin)
--completion
Install all the completions
--completion-bash DIR
Install the bash completion scripts in DIR (default ~/.local/share/bash_completion.d)
--completion-zsh DIR
Install the zsh completion scripts in DIR (default ~/.local/share/zsh/site-functions)
--completion-fish DIR
Install the fish completion scripts in DIR (default ~/.config/fish/completions)
EOF
}
say() {
if [ ! $quiet ]; then
echo "install-crate.sh: $1"
fi
}
say_err() {
say "$1" >&2
}
err() {
if [ ! -z $td ]; then
rm -rf $td
fi
say_err "ERROR $1"
exit 1
}
need() {
if ! command -v $1 >/dev/null 2>&1; then
err "need $1 (command not found)"
fi
}
is_opt() { case $1 in "--"*) true ;; *) false ;; esac }
is_arg() { if [ "$1" ] && ! is_opt $1; then true; else false; fi; }
quiet=false
force=false
no_tag=false
completion_bash=false
completion_zsh=false
completion_fish=false
comp_dir_bash="${XDG_DATA_HOME:-$HOME/.local/share}/bash-completion/completions"
comp_dir_zsh="${XDG_DATA_HOME:-$HOME/.local/share}/zsh/site-functions"
comp_dir_fish="${XDG_CONFIG_HOME:-$HOME/.config}/fish/completions"
while test $# -gt 0; do
case $1 in
--quiet | -q)
quiet=true
;;
--crate)
crate=$2
shift
;;
--force | -f)
force=true
;;
--git)
git=$2
shift
;;
--help | -h)
help
exit 0
;;
--tag)
tag=$2
shift
;;
--no-tag)
no_tag=true
;;
--target)
target=$2
shift
;;
--to)
dest=$2
shift
;;
--completion)
completion_bash=true
completion_zsh=true
completion_fish=true
;;
--completion-bash)
completion_bash=true
if is_arg $2; then
comp_dir_bash=$2
shift
fi
;;
--completion-zsh)
completion_zsh=true
if is_arg $2; then
echo "$2"
comp_dir_zsh=$2
shift
fi
;;
--completion-fish)
completion_fish=true
if is_arg $2; then
comp_dir_fish=$2
shift
fi
;;
*) ;;
esac
shift
done
# Dependencies
need basename
need curl
need install
need mkdir
need mktemp
need tar
# Optional dependencies
if [ -z $crate ] || [ -z $tag ] || [ -z $target ]; then
need cut
fi
if [ -z $tag ]; then
need rev
fi
if [ -z $target ]; then
need grep
need rustc
fi
if [ -z $git ]; then
err 'must specify a git repository using `--git`. Example: `install.sh --git japaric/cross`'
fi
url="https://github.com/$git"
say_err "GitHub repository: $url"
if [ -z $crate ]; then
crate=$(echo $git | cut -d'/' -f2)
fi
say_err "Crate: $crate"
url="$url/releases"
if [ -z $tag ]; then
tag=$(curl -s "$url/latest" | cut -d'"' -f2 | rev | cut -d'/' -f1 | rev)
say_err "Tag: latest ($tag)"
else
say_err "Tag: $tag"
fi
if [ -z $target ]; then
target=$(rustc -Vv | grep host | cut -d' ' -f2)
fi
say_err "Target: $target"
if [ -z $dest ]; then
dest="$HOME/.cargo/bin"
fi
if [ $no_tag = true ]; then
crate_tag="$crate"
elif case $tag in "$crate"*) true ;; *) false ;; esac then
crate_tag="$tag"
else
crate_tag="$crate-$tag"
fi
say_err "Installing to: $dest"
url="$url/download/$tag/${crate_tag}-$target.tar.gz"
say_err "Downloading: $url"
td=$(mktemp -d || mktemp -d -t tmp)
curl -sL $url | tar -C $td -xz
for f in $(find "$td" -type f); do
case $f in
*".bash")
[ $completion_bash ] && install -D $f "$comp_dir_bash/$crate"
;;
*".zsh" | *"_$crate")
[ $completion_zsh ] && install -D $f "$comp_dir_zsh/_$crate"
;;
*".fish")
[ $completion_fish ] && install -D $f "$comp_dir_fish/$crate.fish"
;;
*) ;;
esac
test -x $f || continue
if [ -e "$dest/$f" ] && [ $force = false ]; then
err "$(dirname $f) already exists in $dest"
else
install -Dm 755 $f $dest
fi
done
rm -rf $td
|
