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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253#!/usr/bin/env sh# Install the pinned Zig compiler into $1 (default .zig).## ziglang.org prunes dev builds, so fall back through the community mirrors# (https://ziglang.org/download/community-mirrors.txt). The pinned sha256 comes# from ziglang.org's index.json, so a mirror cannot substitute other bytes.## To move compilers: change ZIG_VERSION and ZIG_SHA256 together.set -eu
ZIG_VERSION="${ZIG_VERSION:-0.17.0}"ZIG_TARGET="${ZIG_TARGET:-x86_64-linux}"ZIG_SHA256="${ZIG_SHA256:-1cbe9df9f27e6b78d14ccbca43b6703a404ef79ef1c463de901d7f088d4e2026}"ZIG_SOURCES="${ZIG_SOURCES:-https://ziglang.org/builds https://pkg.hexops.org/zig https://zigmirror.com https://zig.squirl.dev}"
dest="${1:-.zig}"name="zig-$ZIG_TARGET-$ZIG_VERSION"archive="$dest.tar.xz"
if [ -x "$dest/zig" ] && [ "$("$dest/zig" version)" = "$ZIG_VERSION" ]; then exit 0fi
sha256() { if command -v sha256sum >/dev/null 2>&1; then sha256sum "$1" | cut -d' ' -f1; else shasum -a 256 "$1" | cut -d' ' -f1; fi}
ok=0for base in $ZIG_SOURCES; do if ! curl -fsSL --retry 2 --max-time 300 "$base/$name.tar.xz" -o "$archive"; then echo "zig download failed from $base" >&2 continue fi if [ "$(sha256 "$archive")" != "$ZIG_SHA256" ]; then echo "zig checksum mismatch from $base" >&2 continue fi echo "zig $ZIG_VERSION from $base" ok=1 breakdoneif [ "$ok" != 1 ]; then rm -f "$archive" echo "no source served a valid $name.tar.xz" >&2 exit 1fi
rm -rf "$dest"mkdir -p "$dest"tar -xJf "$archive" -C "$dest" --strip-components=1rm "$archive"test "$("$dest/zig" version)" = "$ZIG_VERSION"