shallow clone to make installation faster (espressif#4246)

dimitre · web-flow · commit c917ed250497 · 2020-10-01T14:43:48.000+03:00
shallow clone (board and submodules) to make installation faster
diff --git a/docs/arduino-ide/mac.md b/docs/arduino-ide/mac.md
@@ -7,9 +7,9 @@ Installation instructions for Mac OS
   ```bash
   mkdir -p ~/Documents/Arduino/hardware/espressif && \
   cd ~/Documents/Arduino/hardware/espressif && \
-  git clone https://github.com/espressif/arduino-esp32.git esp32 && \
+  git clone https://github.com/espressif/arduino-esp32.git esp32 --depth 1 && \
   cd esp32 && \
-  git submodule update --init --recursive && \
+  git submodule update --init --recursive --depth 1 && \
   cd tools && \
   python get.py 
   ```
