Implement 5036: more readable diff on configuration file when upgrading.

scripts/upgrade.sh

@@ -78,7 +78,8 @@ ln -s "$PEERTUBE_PATH/versions/peertube-${VERSION}" $PEERTUBE_PATH/peertube-late
 cp $PEERTUBE_PATH/peertube-latest/config/default.yaml $PEERTUBE_PATH/config/default.yaml
 
 echo "Differences in configuration files..."
-diff -u $PEERTUBE_PATH/config/production.yaml "$PEERTUBE_PATH/versions/peertube-${VERSION}/config/production.yaml.example"
+cd $PEERTUBE_PATH/versions
+diff -u "$(ls --sort=t | head -2 | tail -1)/config/production.yaml.example" "$(ls --sort=t | head -1)/config/production.yaml.example"
 
 echo ""
 echo "==========================================="

support/doc/production.md

@@ -339,6 +339,15 @@ $ cd /var/www/peertube && \
     sudo -u peertube ln -s versions/peertube-${VERSION} ./peertube-latest
 ```
 
+### Configuration
+
+You can check for configuration changes, and report them in your `config/production.yaml` file:
+
+```bash
+$ cd /var/www/peertube/versions
+$ diff -u "$(ls --sort=t | head -2 | tail -1)/config/production.yaml.example" "$(ls --sort=t | head -1)/config/production.yaml.example"
+```
+
 ### nginx
 
 Check changes in nginx configuration: