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install.sh
executable file
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install.sh
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#!/bin/sh
repo=sigoden/argc
crate=argc
url=https://github.com/$repo
releases=$url/releases
help() {
cat <<EOF
Install a binary release of a $crate hosted on GitHub
USAGE:
install [options]
FLAGS:
-h, --help Display this message
-f, --force Force overwriting an existing binary
OPTIONS:
--tag TAG Tag (version) of the crate to install, defaults to latest release
--to LOCATION Where to install the binary [default: /usr/local/bin]
--target TARGET
EOF
}
say() {
echo "install: $@"
}
say_err() {
say "$@" >&2
}
err() {
if [ ! -z ${td-} ]; then
rm -rf $td
fi
say_err "error: $@"
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
;;
--target)
target=$2
shift
;;
--to)
dest=$2
shift
;;
*)
;;
esac
shift
done
# Dependencies
need curl
need install
need mkdir
need mktemp
need tar
# Optional dependencies
if [ -z ${tag-} ]; then
need grep
need cut
fi
if [ -z ${target-} ]; then
need cut
fi
if [ -z ${dest-} ]; then
dest="/usr/local/bin"
if [ ! -d $dest ]; then
dest="/usr/bin"
fi
fi
if [ -z ${tag-} ]; then
tag=$(curl -sSf https://github.com/gitapi/repos/$repo/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;;
x86_64-Darwin) target=x86_64-apple-darwin;;
x86_64-Linux) target=x86_64-unknown-linux-musl;;
x86_64-Windows_NT) target=x86_64-pc-windows-msvc;;
x86_64-MINGW64_NT) target=x86_64-pc-windows-msvc;;
*)
err 'Could not determine target from output of `uname -m`-`uname -s`, please use `--target`:' $uname_target
;;
esac
fi
# windows archives are zips, not tarballs
case $target in
x86_64-pc-windows-msvc) extension=zip; need unzip;;
*) extension=tar.gz;;
esac
archive="$releases/download/$tag/$crate-$tag-$target.$extension"
say_err "Repository: $url"
say_err "Crate: $crate"
say_err "Tag: $tag"
say_err "Target: $target"
say_err "Destination: $dest"
say_err "Archive: $archive"
td=$(mktemp -d || mktemp -d -t tmp)
if [ "$extension" = "zip" ]; then
# unzip on windows cannot always handle stdin, so download first.
curl -sSfL $archive > $td/$crate.zip
unzip -d $td $td/$crate.zip
else
curl -sSfL $archive | tar -C $td -xz
fi
for f in $(ls $td); do
test -x $td/$f || continue
if [ -e "$dest/$f" ] && [ $force = false ]; then
err "$f already exists in $dest"
else
mkdir -p $dest
install -m 755 $td/$f $dest
fi
done
rm -rf $td