From df2c4e99af57d5d26c6888855f871a763135e7f8 Mon Sep 17 00:00:00 2001
From: Jan Oberhauser <jan.oberhauser@gmail.com>
Date: Sat, 12 Feb 2022 18:36:57 +0100
Subject: [PATCH] :zap: Make it possible to get file from specific
 branch/tag/commit via GitHub

---
 .../nodes-base/nodes/Github/Github.node.ts    | 33 ++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

diff --git a/packages/nodes-base/nodes/Github/Github.node.ts b/packages/nodes-base/nodes/Github/Github.node.ts
index d8b491910b..d1110cbfd4 100644
--- a/packages/nodes-base/nodes/Github/Github.node.ts
+++ b/packages/nodes-base/nodes/Github/Github.node.ts
@@ -661,7 +661,34 @@ export class Github implements INodeType {
 				description: 'Name of the binary property in which to save the binary data of the received file.',
 			},
 
-
+			{
+				displayName: 'Additional Parameters',
+				name: 'additionalParameters',
+				placeholder: 'Add Parameter',
+				description: 'Additional fields to add.',
+				type: 'collection',
+				default: {},
+				displayOptions: {
+					show: {
+						operation: [
+							'get',
+						],
+						resource: [
+							'file',
+						],
+					},
+				},
+				options: [
+					{
+						displayName: 'Reference',
+						name: 'reference',
+						type: 'string',
+						default: '',
+						placeholder: 'master',
+						description: 'The name of the commit/branch/tag. Default: the repository’s default branch (usually master).',
+					}
+				],
+			},
 
 			// ----------------------------------
 			//         issue
@@ -1929,7 +1956,11 @@ export class Github implements INodeType {
 						requestMethod = 'GET';
 
 						const filePath = this.getNodeParameter('filePath', i) as string;
+						const additionalParameters = this.getNodeParameter('additionalParameters', i) as IDataObject;
 
+						if (additionalParameters.reference) {
+							qs.ref = additionalParameters.reference;
+						}
 						endpoint = `/repos/${owner}/${repository}/contents/${encodeURI(filePath)}`;
 					}
 				} else if (resource === 'issue') {