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install.sh
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install.sh
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#!/usr/bin/env sh
set -eu
if [ -n "${GITHUB_ACTIONS-}" ]; then
set -x
fi
# Check pipefail support in a subshell, ignore if unsupported
# shellcheck disable=SC3040
(set -o pipefail 2> /dev/null) && set -o pipefail
help() {
cat <<'EOF'
Install a binary released on GitHub
USAGE:
install.sh [options]
FLAGS:
-h, --help Display this message
-f, --force Force overwriting an existing binary
OPTIONS:
--repo REPO Github Repository to install the binary from [default: dora-rs]
--bin BIN Name of the binary to install [default: dora]
--tag TAG Tag (version) of the bin to install, defaults to latest release
--to LOCATION Where to install the binary [default: ~/.dora/bin]
--target TARGET
EOF
}
say() {
echo "install: $*" >&2
}
err() {
if [ -n "${td-}" ]; then
rm -rf "$td"
fi
say "error: $*"
exit 1
}
need() {
if ! command -v "$1" > /dev/null 2>&1; then
err "need $1 (command not found)"
fi
}
download() {
url="$1"
output="$2"
if command -v curl > /dev/null; then
curl --proto =https --tlsv1.2 -sSfL "$url" "-o$output"
else
wget --https-only --secure-protocol=TLSv1_2 --quiet "$url" "-O$output"
fi
}
force=false
while test $# -gt 0; do
case $1 in
--help | -h)
help
exit 0
;;
--repo)
repo=$2
shift
;;
--bin)
bin=$2
shift
;;
--tag)
tag=$2
shift
;;
--target)
target=$2
shift
;;
--to)
dest=$2
shift
;;
*)
say "error: unrecognized argument '$1'. Usage:"
help
exit 1
;;
esac
shift
done
if [ -z "${repo-}" ]; then
repo="dora-rs"
fi
if [ -z "${bin-}" ]; then
bin="dora"
fi
url=https://github.com/$repo/$bin
releases=$url/releases
command -v curl > /dev/null 2>&1 ||
command -v wget > /dev/null 2>&1 ||
err "need wget or curl (command not found)"
need mkdir
need mktemp
if [ -z "${tag-}" ]; then
need grep
need cut
fi
if [ -z "${target-}" ]; then
need cut
fi
if [ -z "${dest-}" ]; then
dest="$HOME/.dora/bin"
fi
if [ -z "${tag-}" ]; then
tag=$(
download https://api.github.com/repos/$repo/$bin/releases/latest - |
grep tag_name |
cut -d'"' -f4
)
fi
if [ -z "${target-}" ]; then
# bash compiled with MINGW (e.g. git-bash, used in github windows runners),
# unhelpfully includes a version suffix in `uname -s` output, so handle that.
# e.g. MINGW64_NT-10-0.19044
kernel=$(uname -s | cut -d- -f1)
uname_target="$(uname -m)-$kernel"
case $uname_target in
aarch64-Linux) target=aarch64-unknown-linux-musl;;
arm64-Darwin) target=aarch64-apple-darwin;;
armv7l-Linux) target=armv7-unknown-linux-musleabihf;;
x86_64-Darwin) target=x86_64-apple-darwin;;
x86_64-Linux) target=x86_64-unknown-linux-gnu;;
*)
# shellcheck disable=SC2016
err 'Could not determine target from output of `uname -m`-`uname -s`, please use `--target`:' "$uname_target"
;;
esac
fi
case $target in
*) extension=zip; need unzip;;
esac
archive="$releases/download/v$tag/$bin-v$tag-$target.$extension"
say "Repository: $url"
say "Bin: $bin"
say "Tag: $tag"
say "Target: $target"
say "Destination: $dest"
say "Archive: $archive"
td=$(mktemp -d || mktemp -d -t tmp)
if [ "$extension" = "zip" ]; then
download "$archive" "$td/$bin.zip"
unzip -d "$td" "$td/$bin.zip"
else
download "$archive" - | tar -C "$td" -xz
fi
if [ -e "$dest/$bin" ] && [ "$force" = false ]; then
err "\`$dest/$bin\` already exists"
else
mkdir -p "$dest"
cp "$td/$bin" "$dest/$bin"
chmod 755 "$dest/$bin"
echo ""
echo " Update PATH:"
echo "export PATH=\$PATH:$dest/$bin"
fi
rm -rf "$td"