feat(npm): use version commit message from lerna.json

plugins/npm/__tests__/npm.test.ts

@@ -880,6 +880,92 @@ describe("publish", () => {
     ]);
   });
 
+  test("monorepo - should use commit message from lerna.json", async () => {
+    mockFs({
+      "lerna.json": `
+        {
+          "command": {
+            "version": {
+              "message": "[skip ci] Custom version commit message"
+            }
+          }
+        }
+      `,
+      ...monorepoPackagesOnFs,
+    });
+
+    const plugin = new NPMPlugin();
+    const hooks = makeHooks();
+
+    plugin.apply({
+      config: { prereleaseBranches: ["next"] },
+      hooks,
+      remote: "origin",
+      baseBranch: "main",
+      logger: dummyLog(),
+    } as Auto.Auto);
+
+    monorepoPackages.mockReturnValueOnce(monorepoPackagesResult);
+    execPromise.mockReturnValueOnce("1.0.0");
+
+    await hooks.version.promise({ bump: Auto.SEMVER.patch });
+    expect(execPromise).toHaveBeenNthCalledWith(2, "npx", [
+      "lerna",
+      "version",
+      "1.0.1",
+      "--force-publish",
+      "--no-commit-hooks",
+      "--yes",
+      "--no-push",
+      "-m",
+      "'\"[skip ci] Custom version commit message\"'",
+      false,
+    ]);
+  });
+
+  test("monorepo - should ensure commit message from lerna.json contains [skip ci]", async () => {
+    mockFs({
+      "lerna.json": `
+        {
+          "command": {
+            "version": {
+              "message": "Custom version commit message"
+            }
+          }
+        }
+      `,
+      ...monorepoPackagesOnFs,
+    });
+
+    const plugin = new NPMPlugin();
+    const hooks = makeHooks();
+
+    plugin.apply({
+      config: { prereleaseBranches: ["next"] },
+      hooks,
+      remote: "origin",
+      baseBranch: "main",
+      logger: dummyLog(),
+    } as Auto.Auto);
+
+    monorepoPackages.mockReturnValueOnce(monorepoPackagesResult);
+    execPromise.mockReturnValueOnce("1.0.0");
+
+    await hooks.version.promise({ bump: Auto.SEMVER.patch });
+    expect(execPromise).toHaveBeenNthCalledWith(2, "npx", [
+      "lerna",
+      "version",
+      "1.0.1",
+      "--force-publish",
+      "--no-commit-hooks",
+      "--yes",
+      "--no-push",
+      "-m",
+      "'\"Custom version commit message [skip ci]\"'",
+      false,
+    ]);
+  });
+
   test("should publish private scoped packages to private", async () => {
     const plugin = new NPMPlugin();
     const hooks = makeHooks();

plugins/npm/src/index.ts

@@ -958,7 +958,8 @@ export default class NPMPlugin implements IPlugin {
 
         if (isMonorepo()) {
           auto.logger.verbose.info("Detected monorepo, using lerna");
-          const monorepoVersion = getLernaJson().version;
+          const lernaJson = getLernaJson();
+          const monorepoVersion = lernaJson.version;
           const isIndependent = monorepoVersion === "independent";
 
           if (dryRun) {
@@ -995,6 +996,20 @@ export default class NPMPlugin implements IPlugin {
               ? useVersion || bump
               : useVersion || (await bumpLatest(getMonorepoPackage(), bump)) || bump;
 
+          let commitMessage = isIndependent
+            ? "Bump independent versions [skip ci]"
+            : "Bump version to: %s [skip ci]";
+
+          const customCommitMessage = lernaJson.command?.version?.message;
+
+          if (typeof customCommitMessage === "string") {
+            commitMessage = customCommitMessage.trim();
+
+            if (customCommitMessage.indexOf("[skip ci]") === -1) {
+              commitMessage += " [skip ci]";
+            }
+          }
+
           await execPromise("npx", [
             "lerna",
             "version",
@@ -1004,9 +1019,7 @@ export default class NPMPlugin implements IPlugin {
             "--yes",
             "--no-push",
             "-m",
-            isIndependent
-              ? `'"Bump independent versions [skip ci]"'`
-              : `'"Bump version to: %s [skip ci]"'`,
+            `'"${commitMessage}"'`,
             this.exact && "--exact",
             ...verboseArgs,
           ]);