From e4870916e233e1540bc4b25d5bde13b8e4e3bed7 Mon Sep 17 00:00:00 2001
From: Paulo Castro <paulo@balena.io>
Date: Wed, 24 Nov 2021 22:59:31 +0000
Subject: [PATCH] config read: Add '--json' option for JSON output

Change-type: minor
---
 doc/cli.markdown            |  4 ++++
 lib/commands/config/read.ts | 10 ++++++++--
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/doc/cli.markdown b/doc/cli.markdown
index 8ace6915..395c324a 100644
--- a/doc/cli.markdown
+++ b/doc/cli.markdown
@@ -2655,6 +2655,10 @@ device type (Check available types with `balena devices supported`)
 
 path to OS image file (e.g. balena.img) or block device (e.g. /dev/disk2)
 
+#### -j, --json
+
+produce JSON output instead of tabular output
+
 ## config reconfigure
 
 Interactively reconfigure a provisioned device or OS image.
diff --git a/lib/commands/config/read.ts b/lib/commands/config/read.ts
index 79cf0670..99d3b3f6 100644
--- a/lib/commands/config/read.ts
+++ b/lib/commands/config/read.ts
@@ -24,6 +24,7 @@ interface FlagsDef {
 	type: string;
 	drive?: string;
 	help: void;
+	json: boolean;
 }
 
 export default class ConfigReadCmd extends Command {
@@ -45,6 +46,7 @@ export default class ConfigReadCmd extends Command {
 		type: cf.deviceType,
 		drive: cf.driveOrImg,
 		help: cf.help,
+		json: cf.json,
 	};
 
 	public static authenticated = true;
@@ -63,7 +65,11 @@ export default class ConfigReadCmd extends Command {
 		const config = await import('balena-config-json');
 		const configJSON = await config.read(drive, options.type);
 
-		const prettyjson = await import('prettyjson');
-		console.info(prettyjson.render(configJSON));
+		if (options.json) {
+			console.log(JSON.stringify(configJSON, null, 4));
+		} else {
+			const prettyjson = await import('prettyjson');
+			console.log(prettyjson.render(configJSON));
+		}
 	}
 }