| 1 | #!/bin/sh |
| 2 | # This script will build the compiler on any POSIX system. |
| 3 | # It automatically installs a Zig compiler to ./.zig-cache |
| 4 | # if needed. The output will be in ./zig-out/bin. |
| 5 | # |
| 6 | # `curl`, `tar`, and `xz` are required in order to download |
| 7 | # and extract Zig. The rest of the dependencies are compiled |
| 8 | # from source using the Zig build system. |
| 9 | cd -- "$(dirname -- "$0")" |
| 10 | |
| 11 | ZIG_VERSION=$(grep .minimum_zig_version build.zig.zon \ |
| 12 | | cut -d '"' -f 2) |
| 13 | |
| 14 | if [ -z "$ZIG_LOCAL_CACHE_DIR" ]; then |
| 15 | ZIG_LOCAL_CACHE_DIR=".zig-cache" |
| 16 | fi |
| 17 | |
| 18 | ZIG="$ZIG_LOCAL_CACHE_DIR/zig/$ZIG_VERSION/zig" |
| 19 | |
| 20 | if [ "$1" == "--fmt" ]; then |
| 21 | # dprint.jsonc is configured to run this, however it runs in parallel. |
| 22 | # only one installation should happen, not one per file. since there |
| 23 | # is no concise way to acquire a filesystem lock on .zig-cache, |
| 24 | # formatting before an install is left unsupported. |
| 25 | if [ ! -f "$ZIG" ]; then |
| 26 | printf "Zig is not installed. Please run ./build once manually\n" |
| 27 | exit 1 |
| 28 | fi |
| 29 | shift |
| 30 | exec $ZIG fmt $@ |
| 31 | fi |
| 32 | |
| 33 | if [ ! -f "$ZIG" ]; then |
| 34 | OS=$(uname -s | tr '[:upper:]' '[:lower:]') |
| 35 | if [ "$OS" = "darwin" ]; then |
| 36 | OS="macos" |
| 37 | fi |
| 38 | ARCH=$(uname -m) |
| 39 | if [ "$ARCH" = "arm64" ]; then |
| 40 | ARCH="aarch64" |
| 41 | fi |
| 42 | |
| 43 | URL="https://ziglang.org/builds/zig-$OS-$ARCH-$ZIG_VERSION.tar.xz" |
| 44 | |
| 45 | printf "Installing Zig v$ZIG_VERSION via $URL\n" |
| 46 | |
| 47 | CURL=$(command -v curl 2>/dev/null) |
| 48 | TAR=$(command -v tar 2>/dev/null) |
| 49 | XZ=$(command -v xz 2>/dev/null) |
| 50 | |
| 51 | if [ -z "$CURL" ]; then |
| 52 | printf "This script requires 'curl' to be installed.\n" |
| 53 | fi |
| 54 | if [ -z "$TAR" ]; then |
| 55 | printf "This script requires 'tar' to be installed.\n" |
| 56 | fi |
| 57 | if [ -z "$XZ" ]; then |
| 58 | printf "This script requires 'xz' to be installed.\n" |
| 59 | fi |
| 60 | if [ -z "$CURL" ] || [ -z "$TAR" ] || [ -z "$XZ" ]; then |
| 61 | exit 1 |
| 62 | fi |
| 63 | |
| 64 | mkdir -p "$ZIG_LOCAL_CACHE_DIR/zig/$ZIG_VERSION" |
| 65 | curl -fsSL --retry 3 --retry-delay 3 $URL \ |
| 66 | | tar -xJ --strip-components=1 -C "$ZIG_LOCAL_CACHE_DIR/zig/$ZIG_VERSION" |
| 67 | if [ "$($ZIG version)" != "$ZIG_VERSION" ]; then |
| 68 | printf "Zig failed to install.\n" |
| 69 | rm -rf "$ZIG_LOCAL_CACHE_DIR/zig/$ZIG_VERSION" |
| 70 | exit 1 |
| 71 | fi |
| 72 | fi |
| 73 | |
| 74 | if [ "$1" == "--version" ]; then |
| 75 | printf '' | $ZIG fmt --stdin >/dev/null |
| 76 | printf "Zig version: " |
| 77 | exec $ZIG version |
| 78 | fi |
| 79 | |
| 80 | exec $ZIG build $@ |