Update desktop readme, and add a helper script to use CLI args

desktop/README.md

@@ -51,7 +51,7 @@ Download Tor Browser and extract the binaries:
 python scripts\get-tor-windows.py
 ```
 
-### Prepare the code
+### Prepare the virtual environment
 
 OnionShare uses [Briefcase](https://briefcase.readthedocs.io/en/latest/).
 
@@ -82,12 +82,22 @@ In order to work with the desktop app, you'll need to build a wheel of the CLI p
 ./scripts/rebuild-cli.sh
 ```
 
-Run OnionShare from the source tree like this:
+### Running OnionShare from the source code tree
+
+Inside the virtual environment, run OnionShare like this to install all of the dependencies:
 
 ```
 briefcase dev -d
 ```
 
+Once you have the dependencies installed, you can run it using the `dev.sh` script, which lets you use command line arguments, such as to `--verbose` or `--local-only`:
+
+```
+./scripts/dev.sh --help
+./scripts/dev.sh -v
+./scripts/dev.sh -v --local-only
+```
+
 ## Running tests
 
 Install these packages inside your virtual environment:

desktop/scripts/dev.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+# Run OnionShare desktop, allowing you to use command-line arguments
+
+SCRIPTS_DIR="$( cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd )"
+cd $SCRIPTS_DIR
+
+cd ../src
+python -c "import onionshare; onionshare.main()" $@

desktop/scripts/rebuild-cli.sh

@@ -5,5 +5,6 @@
 SCRIPTS_DIR="$( cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd )"
 cd $SCRIPTS_DIR
 cd ../../cli
+poetry install
 poetry build
 cp dist/*.whl ../desktop