Add a justfile to make meson friendly :)

Change-Id: Id6e4528392266c6f2444e030b67293abe297ed17

flake.nix

@@ -346,7 +346,9 @@
               officialRelease = false;
             }).overrideAttrs (prev: {
               # Required for clang-tidy checks
-              buildInputs = prev.buildInputs ++ lib.optionals (stdenv.cc.isClang) [ pkgs.llvmPackages.llvm pkgs.llvmPackages.clang-unwrapped.dev ];
+              buildInputs = prev.buildInputs
+                ++ [pkgs.just]
+                ++ lib.optionals (stdenv.cc.isClang) [ pkgs.llvmPackages.llvm pkgs.llvmPackages.clang-unwrapped.dev ];
               nativeBuildInputs = prev.nativeBuildInputs
                 ++ lib.optional (stdenv.cc.isClang && !stdenv.buildPlatform.isDarwin) pkgs.buildPackages.bear
                 # Required for clang-tidy checks

justfile

@@ -0,0 +1,25 @@
+# https://just.systems/man/en/
+
+# Remove `build/`
+clean:
+    rm -rf build
+
+# `meson setup`
+setup:
+    meson setup build --prefix="$PWD/outputs/out"
+
+# `meson compile`
+build:
+    meson compile -C build
+
+# Alias for `just build`
+compile:
+    just build
+
+# `meson install`
+install:
+    meson install -C build
+
+# `meson test --print-errorlogs --quiet`
+test *OPTIONS:
+    meson test -C build --print-errorlogs --quiet {{ OPTIONS }}