Merge pull request #14500 from backstage/repo-build-pass-config

cli: allow passing --config option to repo build command

.changeset/large-flies-check.md

@@ -0,0 +1,5 @@
+---
+'@backstage/cli': patch
+---
+
+Allow passing `--config` option to `repo build` command

packages/cli/cli-report.md

@@ -400,6 +400,7 @@ Commands:
 Usage: backstage-cli repo build [options]
 
 Options:
+  --config <path>
   --all
   --since <ref>
   -h, --help

packages/cli/src/commands/index.ts

@@ -35,6 +35,7 @@ export function registerRepoCommand(program: Command) {
     .description(
       'Build packages in the project, excluding bundled app and backend packages.',
     )
+    .option(...configOption)
     .option(
       '--all',
       'Build all packages, including bundled app and backend packages.',

packages/cli/src/commands/repo/build.ts

@@ -152,9 +152,14 @@ export async function command(opts: OptionValues, cmd: Command): Promise<void> {
           );
           return;
         }
+
+        const configPaths = opts.config?.length
+          ? opts.config
+          : buildOptions.config ?? [];
+
         await buildFrontend({
           targetDir: pkg.dir,
-          configPaths: (buildOptions.config as string[]) ?? [],
+          configPaths,
           writeStats: Boolean(buildOptions.stats),
         });
       },