feat(gomod): Notify extra packages updated by "go get"

lib/modules/manager/gomod/artifacts-extra.spec.ts

@@ -0,0 +1,108 @@
+import { codeBlock } from 'common-tags';
+import {
+  extraDepsTable,
+  getExtraDeps,
+  getExtraDepsNotice,
+} from './artifacts-extra';
+import type { ExtraDep } from './types';
+
+describe('modules/manager/gomod/artifacts-extra', () => {
+  const goModBefore = codeBlock`
+    go 1.22.2
+
+    require (
+      github.com/foo/foo v1.0.0
+      github.com/bar/bar v2.0.0
+    )
+
+    replace baz/baz => qux/qux
+  `;
+
+  const goModAfter = codeBlock`
+    go 1.22.2
+
+    // Note the order change
+    require (
+      github.com/bar/bar v2.2.2
+      github.com/foo/foo v1.1.1
+    )
+
+    replace baz/baz => quux/quux
+  `;
+
+  describe('getExtraDeps', () => {
+    it('detects extra dependencies', () => {
+      const excludeDeps = ['github.com/foo/foo'];
+
+      const res = getExtraDeps(goModBefore, goModAfter, excludeDeps);
+
+      expect(res).toEqual([
+        {
+          depName: 'github.com/bar/bar',
+          currentValue: 'v2.0.0',
+          newValue: 'v2.2.2',
+        },
+      ] satisfies ExtraDep[]);
+    });
+  });
+
+  describe('extraDepsTable', () => {
+    it('generates a table', () => {
+      const extraDeps: ExtraDep[] = [
+        {
+          depName: 'github.com/foo/foo',
+          currentValue: 'v1.0.0',
+          newValue: 'v1.1.1',
+        },
+        {
+          depName: 'github.com/bar/bar',
+          currentValue: 'v2.0.0',
+          newValue: 'v2.2.2',
+        },
+      ];
+
+      const res = extraDepsTable(extraDeps);
+
+      expect(res).toEqual(
+        [
+          '| **Package**          | **Change**           |',
+          '| :------------------- | :------------------- |',
+          '| `github.com/foo/foo` | `v1.0.0` -> `v1.1.1` |',
+          '| `github.com/bar/bar` | `v2.0.0` -> `v2.2.2` |',
+        ].join('\n'),
+      );
+    });
+  });
+
+  describe('getExtraDepsNotice', () => {
+    it('returns null when one of files is missing', () => {
+      expect(getExtraDepsNotice(null, goModAfter, [])).toBeNull();
+      expect(getExtraDepsNotice(goModBefore, null, [])).toBeNull();
+    });
+
+    it('returns null when all dependencies are excluded', () => {
+      const excludeDeps = ['github.com/foo/foo', 'github.com/bar/bar'];
+      const res = getExtraDepsNotice(goModBefore, goModAfter, excludeDeps);
+      expect(res).toBeNull();
+    });
+
+    it('returns a notice when there are extra dependencies', () => {
+      const excludeDeps = ['github.com/foo/foo'];
+
+      const res = getExtraDepsNotice(goModBefore, goModAfter, excludeDeps);
+
+      expect(res).toEqual(
+        [
+          'In addition to the dependencies listed above, the following packages will also be updated:',
+          '',
+          '',
+          '| **Package**          | **Change**           |',
+          '| :------------------- | :------------------- |',
+          '| `github.com/bar/bar` | `v2.0.0` -> `v2.2.2` |',
+          '',
+          '',
+        ].join('\n'),
+      );
+    });
+  });
+});

lib/modules/manager/gomod/artifacts-extra.ts

@@ -0,0 +1,99 @@
+import { diffLines } from 'diff';
+import markdownTable from 'markdown-table';
+import { parseLine } from './line-parser';
+import type { ExtraDep } from './types';
+
+export function getExtraDeps(
+  goModBefore: string,
+  goModAfter: string,
+  excludeDeps: string[],
+): ExtraDep[] {
+  const result: ExtraDep[] = [];
+
+  const diff = diffLines(goModBefore, goModAfter, {
+    newlineIsToken: true,
+  });
+
+  const addDeps: Record<string, string> = {};
+  const rmDeps: Record<string, string> = {};
+  for (const { added, removed, value } of diff) {
+    if (!added && !removed) {
+      continue;
+    }
+
+    const res = parseLine(value);
+    if (!res) {
+      continue;
+    }
+
+    const { depName, currentValue } = res;
+    if (!depName || !currentValue) {
+      continue;
+    }
+
+    if (added) {
+      addDeps[depName] = currentValue;
+    } else {
+      rmDeps[depName] = currentValue;
+    }
+  }
+
+  for (const [depName, currentValue] of Object.entries(rmDeps)) {
+    if (excludeDeps.includes(depName)) {
+      continue;
+    }
+
+    const newValue = addDeps[depName];
+    if (newValue) {
+      result.push({
+        depName,
+        currentValue,
+        newValue,
+      });
+    }
+  }
+
+  return result;
+}
+
+export function extraDepsTable(extraDeps: ExtraDep[]): string {
+  const tableLines: string[][] = [];
+
+  tableLines.push(['**Package**', '**Change**']);
+
+  for (const { depName, currentValue, newValue } of extraDeps) {
+    const depNameQuoted = `\`${depName}\``;
+    const versionChangeQuoted = `\`${currentValue}\` -> \`${newValue}\``;
+    tableLines.push([depNameQuoted, versionChangeQuoted]);
+  }
+
+  return markdownTable(tableLines, {
+    align: ['l', 'l'],
+  });
+}
+
+export function getExtraDepsNotice(
+  goModBefore: string | null,
+  goModAfter: string | null,
+  excludeDeps: string[],
+): string | null {
+  if (!goModBefore || !goModAfter) {
+    return null;
+  }
+
+  const extraDeps = getExtraDeps(goModBefore, goModAfter, excludeDeps);
+  if (extraDeps.length === 0) {
+    return null;
+  }
+
+  const noticeLines: string[] = [];
+
+  noticeLines.push(
+    'In addition to the dependencies listed above, the following packages will also be updated:',
+  );
+  noticeLines.push('\n');
+  noticeLines.push(extraDepsTable(extraDeps));
+  noticeLines.push('\n');
+
+  return noticeLines.join('\n');
+}

lib/modules/manager/gomod/artifacts.spec.ts

@@ -10,6 +10,7 @@ import type { StatusResult } from '../../../util/git/types';
 import * as _hostRules from '../../../util/host-rules';
 import * as _datasource from '../../datasource';
 import type { UpdateArtifactsConfig } from '../types';
+import * as _artifactsExtra from './artifacts-extra';
 import * as gomod from '.';
 
 type FS = typeof import('../../../util/fs');
@@ -28,11 +29,13 @@ jest.mock('../../../util/fs', () => {
   };
 });
 jest.mock('../../datasource', () => mockDeep());
+jest.mock('./artifacts-extra', () => mockDeep());
 
 process.env.CONTAINERBASE = 'true';
 
 const datasource = mocked(_datasource);
 const hostRules = mocked(_hostRules);
+const artifactsExtra = mocked(_artifactsExtra);
 
 const gomod1 = codeBlock`
   module github.com/renovate-tests/gomod1
@@ -1866,6 +1869,47 @@ describe('modules/manager/gomod/artifacts', () => {
     expect(execSnapshots).toMatchObject(expectedResult);
   });
 
+  it('returns artifact notices', async () => {
+    artifactsExtra.getExtraDepsNotice.mockReturnValue('some extra notice');
+    GlobalConfig.set({ ...adminConfig, binarySource: 'docker' });
+    fs.readLocalFile.mockResolvedValueOnce('Current go.sum');
+    fs.readLocalFile.mockResolvedValueOnce(null); // vendor modules filename
+    fs.readLocalFile.mockResolvedValueOnce('someText\n\ngo 1.17\n\n');
+    mockExecAll();
+    git.getRepoStatus.mockResolvedValueOnce(
+      partial<StatusResult>({
+        modified: ['go.sum', 'main.go'],
+      }),
+    );
+    fs.readLocalFile
+      .mockResolvedValueOnce('New go.sum')
+      .mockResolvedValueOnce('New main.go')
+      .mockResolvedValueOnce('New go.mod');
+    datasource.getPkgReleases.mockResolvedValueOnce({
+      releases: [{ version: '1.17.0' }, { version: '1.14.0' }],
+    });
+    const res = await gomod.updateArtifacts({
+      packageFileName: 'go.mod',
+      updatedDeps: [
+        { depName: 'github.com/google/go-github/v24', newVersion: 'v28.0.0' },
+      ],
+      newPackageFileContent: gomod1,
+      config: {
+        updateType: 'major',
+        postUpdateOptions: ['gomodUpdateImportPaths'],
+      },
+    });
+
+    expect(res).toEqual([
+      { file: { type: 'addition', path: 'go.sum', contents: 'New go.sum' } },
+      { file: { type: 'addition', path: 'main.go', contents: 'New main.go' } },
+      {
+        file: { type: 'addition', path: 'go.mod', contents: 'New go.mod' },
+        notice: { file: 'go.mod', message: 'some extra notice' },
+      },
+    ]);
+  });
+
   it('config contains go version', async () => {
     GlobalConfig.set({ ...adminConfig, binarySource: 'docker' });
     fs.readLocalFile.mockResolvedValueOnce('Current go.sum');

lib/modules/manager/gomod/artifacts.ts

@@ -8,6 +8,7 @@ import { logger } from '../../../logger';
 import { coerceArray } from '../../../util/array';
 import { exec } from '../../../util/exec';
 import type { ExecOptions } from '../../../util/exec/types';
+import { filterMap } from '../../../util/filter-map';
 import {
   ensureCacheDir,
   isValidLocalPath,
@@ -24,6 +25,7 @@ import type {
   UpdateArtifactsConfig,
   UpdateArtifactsResult,
 } from '../types';
+import { getExtraDepsNotice } from './artifacts-extra';
 
 const { major, valid } = semver;
 
@@ -364,14 +366,30 @@ export async function updateArtifacts({
       .replace(regEx(/\/\/ renovate-replace /g), '')
       .replace(regEx(/renovate-replace-bracket/g), ')');
     if (finalGoModContent !== newGoModContent) {
-      logger.debug('Found updated go.mod after go.sum update');
-      res.push({
+      const artifactResult: UpdateArtifactsResult = {
         file: {
           type: 'addition',
           path: goModFileName,
           contents: finalGoModContent,
         },
-      });
+      };
+
+      const updatedDepNames = filterMap(updatedDeps, (dep) => dep?.depName);
+      const extraDepsNotice = getExtraDepsNotice(
+        newGoModContent,
+        finalGoModContent,
+        updatedDepNames,
+      );
+
+      if (extraDepsNotice) {
+        artifactResult.notice = {
+          file: goModFileName,
+          message: extraDepsNotice,
+        };
+      }
+
+      logger.debug('Found updated go.mod after go.sum update');
+      res.push(artifactResult);
     }
     return res;
   } catch (err) {

lib/modules/manager/gomod/types.ts

@@ -4,3 +4,9 @@ export interface MultiLineParseResult {
   reachedLine: number;
   detectedDeps: PackageDependency[];
 }
+
+export interface ExtraDep {
+  depName: string;
+  currentValue: string;
+  newValue: string;
+}

package.json

@@ -185,6 +185,7 @@
     "deepmerge": "4.3.1",
     "dequal": "2.0.3",
     "detect-indent": "6.1.0",
+    "diff": "5.2.0",
     "editorconfig": "2.0.0",
     "email-addresses": "5.0.0",
     "emoji-regex": "10.3.0",
@@ -312,7 +313,6 @@
     "callsite": "1.0.0",
     "common-tags": "1.8.2",
     "conventional-changelog-conventionalcommits": "7.0.2",
-    "diff": "5.2.0",
     "emojibase-data": "15.3.0",
     "eslint": "8.57.0",
     "eslint-formatter-gha": "1.4.3",