bryan-minimal · Oct 22, 2026 · Oct 16, 2026 · Oct 16, 2026 · Oct 22, 2026 · Oct 22, 2026
@@ -0,0 +1,98 @@
+let { Attrs, BuildSpec, Local, OutputBin, OutputData, Source, Test, .. } = import "minimal.ncl" in
+let base = import "../base/build.ncl" in
+let bash = import "../bash/build.ncl" in
+let jdk = import "../jdk/build.ncl" in
+
+let version = "1.37.0" in
+{
+  name = "google-java-format",
+  # The upstream all-deps jar, run on our jdk. Upstream also publishes GraalVM
+  # native-image binaries per arch; the jar is preferred because it is one
+  # architecture-independent artifact (one sha256, no per-arch dispatch) and
+  # runs on the same JDK as the rest of the Java tooling. Its manifest carries
+  # the `Add-Exports: jdk.compiler/...` entries, so plain `java -jar` works
+  # without the --add-exports flags the README lists for other launch modes.
+  # Not built from source: the build is a Maven reactor that resolves its
+  # dependencies from Maven Central at build time (same tradeoff as maven,
+  # gradle and jdtls).
+  build_deps = [
+    { file = "build.sh" } | Local,
+    {
+      url = "https://github.com/google/google-java-format/releases/download/v%{version}/google-java-format-%{version}-all-deps.jar",
+      sha256 = "834b2a0c38cb774953322a84b5ca3f2f40dd3156650b3cd44d3b744345962f7a",
+    } | Source,
+    base,
+  ],
+  runtime_deps = [
+    bash, # usr/bin/google-java-format is a /bin/sh wrapper
+    jdk, # needs a full JDK (jdk.compiler module), 21+ for this release
+  ],
+
+  cmd = "./build.sh",
+  build_args = {
+    include version,
+  },
+
+  outputs = {
+    google-java-format = { glob = "usr/bin/google-java-format" } | OutputBin,
+    jar = { glob = "usr/share/google-java-format/**" } | OutputData,
+  },
+
+  attrs =
+    {
+      upstream_version = version,
+      license_spdx = "Apache-2.0",
+      binary_from = "https://github.com/google/google-java-format/releases/",
+      source_provenance = {
+        category = 'GithubRepo,
+        owner = "google",
+        repo = "google-java-format",
+      },
+    } | Attrs,
+
+  tests = {
+    # Formats a deliberately mangled class and diffs it against the exact
+    # Google-style output, so a wrapper that runs but formats nothing fails.
+    format =
+      {
+        class = 'Standalone,
+        test_deps = [base],
+        cmds = [
+          [
+            "/bin/bash",
+            "-c",
+            m%"
+              set -eu
+              printf 'class Hello{void f(){int x=1;if(x>0){x++;}}}\n' > Hello.java
+              printf 'class Hello {\n  void f() {\n    int x = 1;\n    if (x > 0) {\n      x++;\n    }\n  }\n}\n' > want.java
+              google-java-format Hello.java > got.java
+              diff -u want.java got.java
+            "%
+          ],
+        ],
+      } | Test,
+    # --set-exit-if-changed is how CI uses it: non-zero on an unformatted file,
+    # zero on an already-formatted one.
+    check_mode =
+      {
+        class = 'Standalone,
+        test_deps = [base],
+        cmds = [
+          [
+            "/bin/bash",
+            "-c",
+            m%"
+              set -eu
+              printf 'class Hello{}\n' > Bad.java
+              printf 'class Hello {}\n' > Good.java
+              if google-java-format --dry-run --set-exit-if-changed Bad.java; then
+                echo "unformatted file was not reported" >&2
+                exit 1
+              fi
+              google-java-format --dry-run --set-exit-if-changed Good.java
+            "%
+          ],
+        ],
+      } | Test,
+  },
+} | BuildSpec
@@ -0,0 +1,14 @@
+#!/bin/sh
+set -eu
+
+JAR="google-java-format-${MINIMAL_ARG_VERSION}-all-deps.jar"
+test -f "$JAR"
+
+mkdir -p "$OUTPUT_DIR/usr/bin" "$OUTPUT_DIR/usr/share/google-java-format"
+install -m 0644 "$JAR" "$OUTPUT_DIR/usr/share/google-java-format/google-java-format.jar"
+
+cat > "$OUTPUT_DIR/usr/bin/google-java-format" << 'WRAPPER'
+#!/bin/sh
+exec java -jar /usr/share/google-java-format/google-java-format.jar "$@"
+WRAPPER
+chmod +x "$OUTPUT_DIR/usr/bin/google-java-format"