feat(nuget): detect feeds in NuGet.confg (#5757)

.devcontainer/devcontainer.json

@@ -6,6 +6,10 @@
   "settings": {
     "terminal.integrated.shell.linux": "/bin/bash"
   },
-  "extensions": ["dbaeumer.vscode-eslint", "esbenp.prettier-vscode"],
+  "extensions": [
+    "dbaeumer.vscode-eslint",
+    "esbenp.prettier-vscode",
+    "orta.vscode-jest"
+  ],
   "postCreateCommand": "yarn install"
 }

docs/usage/nuget.md

@@ -26,7 +26,7 @@ To convert your .NET Framework `.csproj`/`.fsproj`/`.vbproj` into an SDK-style p
 
 ## Alternate feeds
 
-Renovate by default performs all lookups on `https://api.nuget.org/v3/index.json`, but it also supports alternative nuget feeds. Alternative feeds can be specified in configuration file:
+Renovate by default performs all lookups on `https://api.nuget.org/v3/index.json`, but it also supports alternative nuget feeds. Alternative feeds can be specified either [in a `NuGet.config` file](https://docs.microsoft.com/en-us/nuget/reference/nuget-config-file#package-source-sections) within your repository (Renovate will not search outside the repository) or in Renovate configuration options:
 
 ```json
 "nuget": {

lib/datasource/nuget/index.ts

@@ -6,6 +6,8 @@ import { GetReleasesConfig, ReleaseResult } from '../common';
 
 export { id } from './common';
 
+export { getDefaultFeed } from './v3';
+
 function parseRegistryUrl(
   registryUrl: string
 ): { feedUrl: string; protocolVersion: number } {

lib/manager/nuget/__fixtures__/with-config-file/NuGet.config

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <packageSources>
+    <clear />
+    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />
+    <add key="Contoso" value="https://contoso.com/packages/" />
+  </packageSources>
+</configuration>

lib/manager/nuget/__fixtures__/with-config-file/with-config-file.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp1.1</TargetFramework>
+    <Version>0.1.0</Version>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Autofac" Version="4.5.0" />
+  </ItemGroup>
+</Project>

lib/manager/nuget/__fixtures__/with-malformed-config-file/NuGet.config

@@ -0,0 +1 @@
+This is no XML document

lib/manager/nuget/__fixtures__/with-malformed-config-file/with-malformed-config-file.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp1.1</TargetFramework>
+    <Version>0.1.0</Version>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Autofac" Version="4.5.0" />
+  </ItemGroup>
+</Project>

lib/manager/nuget/__fixtures__/without-package-sources/NuGet.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <noPackageSources />
+</configuration>

lib/manager/nuget/__fixtures__/without-package-sources/without-package-sources.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp1.1</TargetFramework>
+    <Version>0.1.0</Version>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Autofac" Version="4.5.0" />
+  </ItemGroup>
+</Project>

lib/manager/nuget/__snapshots__/extract.spec.ts.snap

@@ -1,5 +1,25 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`lib/manager/nuget/extract extractPackageFile() considers NuGet.config 1`] = `
+Object {
+  "deps": Array [
+    Object {
+      "currentValue": "4.5.0",
+      "datasource": "nuget",
+      "depName": "Autofac",
+      "depType": "nuget",
+      "managerData": Object {
+        "lineNumber": 8,
+      },
+      "registryUrls": Array [
+        "https://api.nuget.org/v3/index.json#protocolVersion=3",
+        "https://contoso.com/packages/",
+      ],
+    },
+  ],
+}
+`;
+
 exports[`lib/manager/nuget/extract extractPackageFile() extracts all dependencies 1`] = `
 Array [
   Object {
@@ -141,6 +161,38 @@ Array [
 ]
 `;
 
+exports[`lib/manager/nuget/extract extractPackageFile() handles NuGet.config without package sources 1`] = `
+Object {
+  "deps": Array [
+    Object {
+      "currentValue": "4.5.0",
+      "datasource": "nuget",
+      "depName": "Autofac",
+      "depType": "nuget",
+      "managerData": Object {
+        "lineNumber": 8,
+      },
+    },
+  ],
+}
+`;
+
+exports[`lib/manager/nuget/extract extractPackageFile() handles malformed NuGet.config 1`] = `
+Object {
+  "deps": Array [
+    Object {
+      "currentValue": "4.5.0",
+      "datasource": "nuget",
+      "depName": "Autofac",
+      "depType": "nuget",
+      "managerData": Object {
+        "lineNumber": 8,
+      },
+    },
+  ],
+}
+`;
+
 exports[`lib/manager/nuget/extract extractPackageFile() returns empty for invalid csproj 1`] = `
 Object {
   "deps": Array [],

lib/manager/nuget/extract.spec.ts

@@ -1,23 +1,63 @@
 import { readFileSync } from 'fs';
+import * as path from 'path';
 import { extractPackageFile } from './extract';
 
-const sample = readFileSync(
-  'lib/manager/nuget/__fixtures__/sample.csproj',
-  'utf8'
-);
-
 describe('lib/manager/nuget/extract', () => {
   describe('extractPackageFile()', () => {
     let config;
     beforeEach(() => {
-      config = {};
+      config = {
+        localDir: path.resolve('lib/manager/nuget/__fixtures__'),
+      };
     });
-    it('returns empty for invalid csproj', () => {
-      expect(extractPackageFile('nothing here', config)).toMatchSnapshot();
+    it('returns empty for invalid csproj', async () => {
+      expect(
+        await extractPackageFile('nothing here', 'bogus', config)
+      ).toMatchSnapshot();
     });
-    it('extracts all dependencies', () => {
-      const res = extractPackageFile(sample, config).deps;
-      expect(res).toMatchSnapshot();
+    it('extracts all dependencies', async () => {
+      const packageFile = 'sample.csproj';
+      const sample = readFileSync(
+        path.join(config.localDir, packageFile),
+        'utf8'
+      );
+      const res = await extractPackageFile(sample, packageFile, config);
+      expect(res.deps).toMatchSnapshot();
+    });
+    it('considers NuGet.config', async () => {
+      const packageFile = 'with-config-file/with-config-file.csproj';
+      const contents = readFileSync(
+        path.join(config.localDir, packageFile),
+        'utf8'
+      );
+
+      expect(
+        await extractPackageFile(contents, packageFile, config)
+      ).toMatchSnapshot();
+    });
+    it('handles malformed NuGet.config', async () => {
+      const packageFile =
+        'with-malformed-config-file/with-malformed-config-file.csproj';
+      const contents = readFileSync(
+        path.join(config.localDir, packageFile),
+        'utf8'
+      );
+
+      expect(
+        await extractPackageFile(contents, packageFile, config)
+      ).toMatchSnapshot();
+    });
+    it('handles NuGet.config without package sources', async () => {
+      const packageFile =
+        'without-package-sources/without-package-sources.csproj';
+      const contents = readFileSync(
+        path.join(config.localDir, packageFile),
+        'utf8'
+      );
+
+      expect(
+        await extractPackageFile(contents, packageFile, config)
+      ).toMatchSnapshot();
     });
   });
 });

lib/manager/nuget/extract.ts

@@ -1,3 +1,7 @@
+import findUp from 'find-up';
+import * as path from 'path';
+import { XmlDocument } from 'xmldoc';
+import { readFile } from 'fs-extra';
 import { logger } from '../../logger';
 import { get } from '../../versioning';
 import { PackageDependency, ExtractConfig, PackageFile } from '../common';
@@ -5,15 +9,72 @@ import * as semverVersioning from '../../versioning/semver';
 import * as datasourceNuget from '../../datasource/nuget';
 import { SkipReason } from '../../types';
 
-export function extractPackageFile(
+async function readFileAsXmlDocument(file: string): Promise<XmlDocument> {
+  try {
+    return new XmlDocument(await readFile(file, 'utf8'));
+  } catch (err) {
+    logger.debug({ err }, `failed to parse '${file}' as XML document`);
+    return undefined;
+  }
+}
+
+async function determineRegistryUrls(
+  packageFile: string,
+  localDir: string
+): Promise<string[]> {
+  const nuGetConfigPath = await findUp('NuGet.config', {
+    cwd: path.dirname(path.join(localDir, packageFile)),
+    type: 'file',
+  });
+
+  if (nuGetConfigPath?.startsWith(localDir) !== true) {
+    return undefined;
+  }
+
+  logger.debug({ nuGetConfigPath }, 'found NuGet.config');
+  const nuGetConfig = await readFileAsXmlDocument(nuGetConfigPath);
+  if (!nuGetConfig) {
+    return undefined;
+  }
+
+  const packageSources = nuGetConfig.childNamed('packageSources');
+  if (!packageSources) {
+    return undefined;
+  }
+
+  const registryUrls = [datasourceNuget.getDefaultFeed()];
+  for (const child of packageSources.children) {
+    if (child.type === 'element') {
+      if (child.name === 'clear') {
+        logger.debug(`clearing registry URLs`);
+        registryUrls.length = 0;
+      } else if (child.name === 'add') {
+        let registryUrl = child.attr.value;
+        if (child.attr.protocolVersion) {
+          registryUrl += `#protocolVersion=${child.attr.protocolVersion}`;
+        }
+        logger.debug({ registryUrl }, 'adding registry URL');
+        registryUrls.push(registryUrl);
+      }
+    }
+  }
+  return registryUrls;
+}
+
+export async function extractPackageFile(
   content: string,
   packageFile: string,
   config: ExtractConfig = {}
-): PackageFile {
-  logger.trace(`nuget.extractPackageFile(${packageFile})`);
+): Promise<PackageFile> {
+  logger.trace({ packageFile }, 'nuget.extractPackageFile()');
   const { isVersion } = get(config.versioning || semverVersioning.id);
   const deps: PackageDependency[] = [];
 
+  const registryUrls = await determineRegistryUrls(
+    packageFile,
+    config.localDir
+  );
+
   let lineNumber = 0;
   for (const line of content.split('\n')) {
     /**
@@ -41,6 +102,9 @@ export function extractPackageFile(
         managerData: { lineNumber },
         datasource: datasourceNuget.id,
       };
+      if (registryUrls) {
+        dep.registryUrls = registryUrls;
+      }
       if (!isVersion(currentValue)) {
         dep.skipReason = SkipReason.NotAVersion;
       }

package.json

@@ -129,6 +129,7 @@
     "detect-indent": "6.0.0",
     "email-addresses": "3.1.0",
     "fast-safe-stringify": "2.0.7",
+    "find-up": "4.1.0",
     "fs-extra": "8.1.0",
     "get-installed-path": "4.0.8",
     "github-url-from-git": "1.5.0",

yarn.lock

@@ -3995,6 +3995,14 @@ find-npm-prefix@^1.0.2:
   resolved "https://registry.yarnpkg.com/find-npm-prefix/-/find-npm-prefix-1.0.2.tgz#8d8ce2c78b3b4b9e66c8acc6a37c231eb841cfdf"
   integrity sha512-KEftzJ+H90x6pcKtdXZEPsQse8/y/UnvzRKrOSQFprnrGaFuJ62fVkP34Iu2IYuMvyauCyoLTNkJZgrrGA2wkA==
 
+find-up@4.1.0, find-up@^4.0.0, find-up@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.npmjs.org/find-up/-/find-up-4.1.0.tgz#97afe7d6cdc0bc5928584b7c8d7b16e8a9aa5d19"
+  integrity sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==
+  dependencies:
+    locate-path "^5.0.0"
+    path-exists "^4.0.0"
+
 find-up@^2.0.0, find-up@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-2.1.0.tgz#45d1b7e506c717ddd482775a2b77920a3c0c57a7"
@@ -4009,14 +4017,6 @@ find-up@^3.0.0:
   dependencies:
     locate-path "^3.0.0"
 
-find-up@^4.0.0, find-up@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/find-up/-/find-up-4.1.0.tgz#97afe7d6cdc0bc5928584b7c8d7b16e8a9aa5d19"
-  integrity sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==
-  dependencies:
-    locate-path "^5.0.0"
-    path-exists "^4.0.0"
-
 find-versions@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/find-versions/-/find-versions-3.1.0.tgz#10161f29cf3eb4350dec10a29bdde75bff0df32d"