From 0dd0443dc9adee63b17d9ac2cd304bff3ab94c60 Mon Sep 17 00:00:00 2001
From: Marc Wouts <marc.wouts@gmail.com>
Date: Mon, 1 Jul 2019 21:13:44 +0200
Subject: [PATCH] explicit jupyter lab build

Install the bundled extension rather than the one from npm

#259 #276
---
 README.md        |  5 ++---
 binder/postBuild | 10 ++++++++--
 docs/install.md  |  5 ++---
 3 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/README.md b/README.md
index 86518d739..f722c6bb4 100755
--- a/README.md
+++ b/README.md
@@ -84,11 +84,10 @@ In JupyterLab, Jupytext adds a set of commands to the command palette:
 
 ![JupyterLab extension](https://raw.githubusercontent.com/mwouts/jupyterlab-jupytext/master/jupytext_commands.png)
 
-If you don't see these commands, install the extension manually with
+The Jupytext extension for JupyterLab is bundled with Jupytext. Installing Jupytext will trigger a build of JupyterLab the next time you open it. If you prefer, you can trigger the build manually with
 ```
-jupyter labextension install jupyterlab-jupytext
+jupyter lab build
 ```
-(the above requires `npm`, run `conda install nodejs` first if you don't have `npm`).
 
 ## Using Jupytext
 
diff --git a/binder/postBuild b/binder/postBuild
index 45cf1a493..6fdb9b96e 100644
--- a/binder/postBuild
+++ b/binder/postBuild
@@ -1,12 +1,18 @@
+# Stop everything if one command fails
+set -e
+
 # Install the bash kernel
 python -m bash_kernel.install
 
 # Trust our notebook
 jupyter trust demo/World\ population.ipynb
 
-# Set up extensions for JupyterLab and Notebook
-jupyter labextension install jupyterlab-jupytext
+# Build jupyter lab to include the Jupytext extension
+jupyter lab build
 
 # Create the notebook for our jupytext demo
 jupytext demo/get_started.md --to ipynb --update-metadata '{"jupytext":null}'
+
+# Remove the markdown representation
+# the demo starts with just the ipynb file
 rm demo/get_started.md
diff --git a/docs/install.md b/docs/install.md
index d8d97e56a..46d379767 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -49,8 +49,7 @@ In JupyterLab, Jupytext adds a set of commands to the command palette:
 
 ![JupyterLab extension](https://raw.githubusercontent.com/mwouts/jupyterlab-jupytext/master/jupytext_commands.png)
 
-If you don't see these commands, install the extension manually with
+The Jupytext extension for JupyterLab is bundled with Jupytext. Installing Jupytext will trigger a build of JupyterLab the next time you open it. If you prefer, you can trigger the build manually with
 ```
-jupyter labextension install jupyterlab-jupytext
+jupyter lab build
 ```
-(the above requires `npm`, run `conda install nodejs` first if you don't have `npm`).