feat: printConfig

Adds an option to print the full, resolved config for a repo at INFO level. e.g.

renovate —print-config owner/repo

Closes https://github.com/renovatebot/config-help/issues/128

lib/config/definitions.js

@@ -56,6 +56,14 @@ const options = [
     admin: true,
     default: false,
   },
+  {
+    name: 'printConfig',
+    description:
+      'If enabled, Renovate will log the full config for each repo, including resolved presets',
+    type: 'boolean',
+    admin: true,
+    default: false,
+  },
   {
     name: 'binarySource',
     description: 'Where to source binaries like `npm` and `yarn` from',

lib/workers/repository/init/index.js

@@ -22,6 +22,10 @@ async function initRepo(input) {
   config = await checkBaseBranch(config);
   config.semanticCommits = await detectSemanticCommits(config);
   config = await detectVulnerabilityAlerts(config);
+  // istanbul ignore if
+  if (config.printConfig) {
+    logger.info({ config }, 'Full resolved config including presets');
+  }
   return config;
 }
 

test/workers/repository/updates/__snapshots__/flatten.spec.js.snap

@@ -64,6 +64,7 @@ Array [
     "prHourlyLimit": 0,
     "prNotPendingHours": 25,
     "prTitle": null,
+    "printConfig": false,
     "rangeStrategy": "replace",
     "rebaseLabel": "rebase",
     "rebaseStalePrs": null,
@@ -157,6 +158,7 @@ Array [
     "prHourlyLimit": 0,
     "prNotPendingHours": 25,
     "prTitle": null,
+    "printConfig": false,
     "rangeStrategy": "replace",
     "rebaseLabel": "rebase",
     "rebaseStalePrs": null,
@@ -247,6 +249,7 @@ Array [
     "prHourlyLimit": 0,
     "prNotPendingHours": 25,
     "prTitle": null,
+    "printConfig": false,
     "rangeStrategy": "replace",
     "rebaseLabel": "rebase",
     "rebaseStalePrs": true,
@@ -343,6 +346,7 @@ Array [
     "prHourlyLimit": 0,
     "prNotPendingHours": 25,
     "prTitle": null,
+    "printConfig": false,
     "rangeStrategy": "replace",
     "rebaseLabel": "rebase",
     "rebaseStalePrs": null,
@@ -433,6 +437,7 @@ Array [
     "prHourlyLimit": 0,
     "prNotPendingHours": 25,
     "prTitle": null,
+    "printConfig": false,
     "rangeStrategy": "replace",
     "rebaseLabel": "rebase",
     "rebaseStalePrs": true,
@@ -529,6 +534,7 @@ Array [
     "prHourlyLimit": 0,
     "prNotPendingHours": 25,
     "prTitle": null,
+    "printConfig": false,
     "rangeStrategy": "replace",
     "rebaseLabel": "rebase",
     "rebaseStalePrs": null,
@@ -622,6 +628,7 @@ Array [
     "prHourlyLimit": 0,
     "prNotPendingHours": 25,
     "prTitle": null,
+    "printConfig": false,
     "rangeStrategy": "replace",
     "rebaseLabel": "rebase",
     "rebaseStalePrs": null,
@@ -715,6 +722,7 @@ Array [
     "prHourlyLimit": 0,
     "prNotPendingHours": 25,
     "prTitle": null,
+    "printConfig": false,
     "rangeStrategy": "replace",
     "rebaseLabel": "rebase",
     "rebaseStalePrs": null,

website/docs/self-hosted-configuration.md

@@ -66,6 +66,10 @@ Set this to `false` if (a) you configure Renovate entirely on the bot side (i.e.
 
 ## prFooter
 
+## printConfig
+
+This option is useful for troubleshooting, particularly if using presets. e.g. run `renovate foo/bar --print-config > config.log` and the fully-resolved config will be included in the log file.
+
 ## privateKey
 
 ## repositories