From acec3e78abfaa195a1dcb4c16c6117f104a4d2ed Mon Sep 17 00:00:00 2001
From: CJ van den Berg <cj@vdbonline.com>
Date: Tue, 20 Feb 2024 18:09:54 +0100
Subject: [PATCH] Add zig version helper script

---
 build.zig.version |  1 +
 zig               | 37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 build.zig.version
 create mode 100755 zig

diff --git a/build.zig.version b/build.zig.version
new file mode 100644
index 0000000..92dffd8
--- /dev/null
+++ b/build.zig.version
@@ -0,0 +1 @@
+0.12.0-dev.2817+7461309b7
diff --git a/zig b/zig
new file mode 100755
index 0000000..56600cd
--- /dev/null
+++ b/zig
@@ -0,0 +1,37 @@
+#!/bin/bash
+set -e
+
+ARCH=$(uname -m)
+
+BASEDIR="$(cd "$(dirname "$0")" && pwd)"
+ZIGDIR=$BASEDIR/.cache/zig
+VERSION=$(< build.zig.version)
+ZIGVER="zig-linux-$ARCH-$VERSION"
+ZIG=$ZIGDIR/$ZIGVER/zig
+
+if [ "$1" == "update" ] ; then
+    curl -L --silent https://ziglang.org/download/index.json | jq -r '.master | .version' > build.zig.version
+    NEWVERSION=$(< build.zig.version)
+
+    if [ "$VERSION" != "$NEWVERSION" ] ; then
+        echo zig version updated from $VERSION to $NEWVERSION
+        exit 0
+    fi
+    echo zig version $VERSION is up-to-date
+    exit 0
+fi
+    
+get_zig() {
+    (
+        mkdir -p "$ZIGDIR"
+        cd "$ZIGDIR"
+        TARBALL="https://ziglang.org/builds/$ZIGVER.tar.xz"
+
+        if [ ! -d "$ZIGVER" ] ; then
+            curl "$TARBALL" | tar -xJ
+        fi
+    )
+}
+get_zig
+
+exec $ZIG "$@"