feat(manager/pip-compile): Change fileMatch behaviour to target pip-c…

…ompile output files (#26858)

Co-authored-by: Rhys Arkins <rhys@arkins.net>
Co-authored-by: Michael Kriese <michael.kriese@visualon.de>

lib/config/migration.spec.ts

@@ -668,6 +668,38 @@ describe('config/migration', () => {
     expect(migratedConfig).toMatchSnapshot();
   });
 
+  it('it migrates pip-compile', () => {
+    const config: RenovateConfig = {
+      'pip-compile': {
+        enabled: true,
+        fileMatch: [
+          '(^|/)requirements\\.in$',
+          '(^|/)requirements-fmt\\.in$',
+          '(^|/)requirements-lint\\.in$',
+          '.github/workflows/requirements.in',
+          '(^|/)debian_packages/private/third_party/requirements\\.in$',
+          '(^|/).*?requirements.*?\\.in$',
+        ],
+      },
+    };
+    const { isMigrated, migratedConfig } =
+      configMigration.migrateConfig(config);
+    expect(isMigrated).toBeTrue();
+    expect(migratedConfig).toEqual({
+      'pip-compile': {
+        enabled: true,
+        fileMatch: [
+          '(^|/)requirements\\.txt$',
+          '(^|/)requirements-fmt\\.txt$',
+          '(^|/)requirements-lint\\.txt$',
+          '.github/workflows/requirements.txt',
+          '(^|/)debian_packages/private/third_party/requirements\\.txt$',
+          '(^|/).*?requirements.*?\\.txt$',
+        ],
+      },
+    });
+  });
+
   it('it migrates gradle-lite', () => {
     const config: RenovateConfig = {
       'gradle-lite': {

lib/config/migration.ts

@@ -150,6 +150,20 @@ export function migrateConfig(config: RenovateConfig): MigratedConfig {
         }
       }
     }
+    if (
+      is.nonEmptyObject(migratedConfig['pip-compile']) &&
+      is.nonEmptyArray(migratedConfig['pip-compile'].fileMatch)
+    ) {
+      migratedConfig['pip-compile'].fileMatch = migratedConfig[
+        'pip-compile'
+      ].fileMatch.map((fileMatch) => {
+        const match = fileMatch as string;
+        if (match.endsWith('.in')) {
+          return match.replace(/\.in$/, '.txt');
+        }
+        return match.replace(/\.in\$$/, '.txt$');
+      });
+    }
     if (is.nonEmptyArray(migratedConfig.matchManagers)) {
       if (migratedConfig.matchManagers.includes('gradle-lite')) {
         if (!migratedConfig.matchManagers.includes('gradle')) {

lib/modules/manager/pip-compile/__fixtures__/requirementsCustomCommand.txt

@@ -0,0 +1,18 @@
+#
+# This file is autogenerated by pip-compile with Python 3.11
+# by the following command:
+#
+#    ./pip-compile-wrapper requirements.in
+#
+certifi==2023.11.17
+    # via requests
+charset-normalizer==3.3.2
+    # via requests
+idna==3.6
+    # via requests
+markupsafe==2.1.4
+    # via jinja2
+requests==2.31.0
+    # via -r requirements.in
+urllib3==2.1.0
+    # via requests