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|
#!/usr/bin/env bash
set -o errexit
set -o nounset
set -o pipefail
if [[ "${TRACE-0}" == "1" ]]; then
set -o xtrace
fi
zig_root="$HOME/.zig"
prompt_confirm() {
while true; do
read -r -n 1 -p "${1:-Continue?} [y/n]: " REPLY
case $REPLY in
[yY]) echo ; return 0 ;;
[nN]) echo ; return 1 ;;
*) printf " \033[31m %s \n\033[0m" "invalid input"
esac
done
}
help() {
echo "Usage: $0
Install/update zig and zls under ~/.zig
"
exit
}
install_zig() {
arch="x86_64-linux"
zig_master_arch_json="$(jq -r ".\"$arch\"" <<< "$zig_master_json")"
zig_master_tarball="$(jq -r '.tarball' <<< "$zig_master_arch_json")"
zig_master_shasum="$(jq -r '.shasum' <<< "$zig_master_arch_json")"
zig_master_size="$(jq -r '.size' <<< "$zig_master_arch_json")"
echo "$zig_master_tarball"
echo "$zig_master_shasum"
echo "$zig_master_size"
if [ ! -d "$zig_root/tmp" ]; then
mkdir "$zig_root/tmp"
fi
echo "fetching tarball"
zig_tarball_path="$zig_root/tmp/zig.tar"
wget -O "$zig_root/tmp/zig.tar" "$zig_master_tarball"
if ! echo "$zig_master_shasum $zig_tarball_path" | sha256sum --check; then
echo "invalid tarball; bailing"
exit 1
fi
echo "extracting tarball"
if [ ! -d "$zig_root/zig" ]; then
mkdir "$zig_root/zig"
fi
if ! tar -xf "$zig_tarball_path" -C "$zig_root/zig" --strip-components=1 ; then
echo "extraction failed; bailing"
exit 1
fi
echo "zig installed"
zig version
}
install_zls() {
zls_path="$zig_root/zls"
if [ ! -d "$zls_path" ]; then
echo "cloning zls"
git clone https://github.com/zigtools/zls.git "$zls_path" --depth 1 --single-branch --branch master
fi
cd "$zls_path"
echo "fetching zls"
git fetch origin master:master --depth 1
echo "building zls"
zig build -Doptimize=ReleaseSafe
if [ ! -d "$zig_root/bin" ]; then
mkdir "$zig_root/bin"
fi
cp "$zls_path/zig-out/bin/zls" "$zig_root/bin"
echo "zls installed"
zls --version
}
if [[ "${1-}" =~ ^-*h(elp)?$ ]]; then
help
fi
cd "$(dirname "$0")"
main() {
# Transform long options to short ones
for arg in "$@"; do
shift
case "$arg" in
'--force') set -- "$@" '-f' ;;
*) set -- "$@" "$arg" ;;
esac
done
force=0
while getopts "f" o; do
case "${o}" in
f)
force=1
;;
*)
echo "invalid flag"
help
;;
esac
done
if [ ! -d "$zig_root" ]; then
echo "initalizing zig directory"
mkdir "$zig_root"
# shellcheck disable=SC2016
echo '#!/bin/sh
# zigup shell setup
# affix colons on either side of $PATH to simplify matching
case ":${PATH}:" in
*:"'"$zig_root"'/bin":*)
;;
*)
export PATH='"$zig_root/"'bin:"$PATH"
;;
esac
case ":${PATH}:" in
*:"'"$zig_root"'/zig":*)
;;
*)
export PATH='"$zig_root/"'zig:"$PATH"
;;
esac
' > "$zig_root/env"
echo "add \`source $zig_root/env\` to your shell config"
fi
# shellcheck source=/dev/null
source "$zig_root/env"
zig_json_path="$zig_root/index.json"
if [ ! -f "$zig_json_path" ]; then
echo "initalizing index.json"
curl -s https://ziglang.org/download/index.json > "$zig_json_path"
fi
json_ttl="600"
seconds_since_fetch=$(($(date +%s) - $(date -r "$zig_json_path" +%s)))
if [ "$json_ttl" -lt "$seconds_since_fetch" ]; then
echo "fetching fresh index.json"
curl -s https://ziglang.org/download/index.json >| "$zig_json_path"
else
echo "using cached index.json"
fi
zig_master_json="$(jq '.master' "$zig_json_path")"
zig_master_version="$(jq -r '.version' <<< "$zig_master_json")"
if command -v zig &> /dev/null; then
installed_zig_version="$(zig version)"
else
installed_zig_version="no zig installed"
fi
if [[ $force == 0 && "$installed_zig_version" == "$zig_master_version" ]]; then
echo "zig up to date"
else
echo "zig upgrade avaliable: $installed_zig_version -> $zig_master_version"
if prompt_confirm "Proceed?"; then
install_zig
fi
fi
if prompt_confirm "build ZLS?"; then
install_zls
fi
}
main "$@"
|
