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|
#!/usr/bin/env bash
set -eu
help() {
cat <<'EOF'
Install a binary release of `so` hosted on GitHub
Usage:
install [options]
Options:
-h, --help Display this message
-f, --force Force overwriting an existing binary
--tag TAG Tag (version) of the crate to install (default <latest release>)
--to LOCATION Where to install the binary (default ~/.cargo/bin)
EOF
}
git=samtay/so
crate=so
url=https://github.com/samtay/so
releases=$url/releases
case "$(uname -s)" in
"Darwin")
platform="apple-darwin" ;;
"Linux")
platform="unknown-linux-musl" ;;
*)
platform="pc-windows-msvc";;
esac
target="$(uname -m)-$platform"
say() {
echo "install: $1"
}
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
}
force=false
while test $# -gt 0; do
case $1 in
--force | -f)
force=true
;;
--help | -h)
help
exit 0
;;
--tag)
tag=$2
shift
;;
--to)
dest=$2
shift
;;
*)
;;
esac
shift
done
# Dependencies
need basename
need curl
need install
need mkdir
need mktemp
need tar
# Optional dependencies
if [ -z ${tag-} ]; then
need cut
need rev
fi
if [ -z ${dest-} ]; then
dest="$HOME/.cargo/bin"
fi
if [ -z ${tag-} ]; then
tag=$(curl -s "$releases/latest" | cut -d'"' -f2 | rev | cut -d'/' -f1 | rev)
fi
archive="$releases/download/$tag/$crate-$tag-$target.tar.gz"
say_err "Repository: $url"
say_err "Crate: $crate"
say_err "Tag: $tag"
say_err "Target: $target"
say_err "Destination: $dest"
say_err "Archive: $archive"
# Check if binary exists
if [ "$(curl --head --write-out "%{http_code}\n" --silent --output /dev/null "$archive")" -eq "404" ]; then
err "The binary you need does not exist; you can build the crate from source or open an issue requesting the target: $target"
fi
td=$(mktemp -d || mktemp -d -t tmp)
curl -sL $archive | tar -C $td -xz
for f in $(ls $td); do
test -x $td/$f || continue
if [ -e "$dest/$f" ] && [ $force = false ]; then
err "$f already exists in $dest; use --force to overwrite it"
else
mkdir -p $dest
install -m 755 $td/$f $dest
fi
done
rm -rf $td
|
