Initial public release

zig

@@ -0,0 +1,59 @@
+#!/bin/bash
+set -e
+
+ARCH=$(uname -m)
+
+BASEDIR="$(cd "$(dirname "$0")" && pwd)"
+ZIGDIR=$BASEDIR/.cache/zig
+VERSION=$(< build.zig.version)
+
+OS=$(uname)
+
+if [ "$OS" == "Linux" ] ; then
+	OS=linux
+elif [ "$OS" == "Darwin" ] ; then
+	OS=macos
+fi
+
+
+ZIGVER="zig-$OS-$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
+        echo rebuilding to update cdb...
+        $0 cdb
+        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
+
+if [ "$1" == "cdb" ] ; then
+    rm -rf zig-cache
+    rm -rf .cache/cdb
+
+    $ZIG build
+
+    (echo \[ ; cat .cache/cdb/* ; echo {}\]) | perl -0777 -pe 's/,\n\{\}//igs' | jq . | grep -v 'no-default-config' > compile_commands.json
+    exit 0
+fi
+
+exec $ZIG "$@"