From be78def5aa0d5952f00dd92840763f011d596c28 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mickae=CC=88l=20Menu?= <mickael.menu@gmail.com>
Date: Sat, 27 Mar 2021 14:33:44 +0100
Subject: [PATCH] Fix #20 local configuration is optional

---
 CHANGELOG.md      | 7 ++++++-
 core/zk/config.go | 6 ++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 099c9db..05b3d78 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
-<!-- ## Unreleased -->
+## Unreleased
+
+### Changed
+
+* The local configuration is not required anymore in a notebook's `.zk` directory.
+
 
 ## 0.3.0
 
diff --git a/core/zk/config.go b/core/zk/config.go
index a91cbd6..17b5277 100644
--- a/core/zk/config.go
+++ b/core/zk/config.go
@@ -170,6 +170,12 @@ func (c *GroupConfig) Override(overrides ConfigOverrides) {
 // OpenConfig creates a new Config instance from its TOML representation stored
 // in the given file.
 func OpenConfig(path string, parentConfig Config) (Config, error) {
+	// The local config is optional.
+	exists, err := paths.Exists(path)
+	if err == nil && !exists {
+		return parentConfig, nil
+	}
+
 	content, err := ioutil.ReadFile(path)
 	if err != nil {
 		return parentConfig, errors.Wrapf(err, "failed to open config file at %s", path)