fix(devcontainer): Update working folder to a writable one (/tmp)

Author: tyeth

.devcontainer/cortex-m-toolchain.sh

@@ -11,7 +11,7 @@ echo -e "[cortex-m-toolchain.sh] starting install"
 # --- tooling   --------------------------------------------------------------
 
 echo -e "[cortex-m-toolchain.sh] downloading and installing gcc-arm-non-eabi toolchain"
-cd /workspaces
+cd /tmp
 
 wget -qO gcc-arm-none-eabi.tar.xz \
   https://developer.arm.com/-/media/Files/downloads/gnu/14.2.rel1/binrel/arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz
@@ -21,4 +21,4 @@ ln -s arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi gcc-arm-none-eabi
 rm -f gcc-arm-none-eabi.tar.xz
 
 echo -e "[cortex-m-toolchain.sh] update PATH in environment"
-echo -e "\nexport PATH=/workspaces/gcc-arm-none-eabi/bin:$PATH"  >> $HOME/.bashrc
+echo -e "\nexport PATH=/tmp/gcc-arm-none-eabi/bin:$PATH"  >> $HOME/.bashrc

.devcontainer/fetch-port-submodules.sh

@@ -12,6 +12,8 @@ cd "$REPO_ROOT"
 if [ -z "$CP_PORT" ]; then
   echo -e "[fetch-port-submodules.sh] CP_PORT not set. Cannot fetch submodules!"
   exit 3
+else
+  echo -e "[fetch-port-submodules.sh] CP_PORT=$CP_PORT"
 fi
 
 cd "ports/$CP_PORT"

.devcontainer/install_build_env.sh

@@ -23,21 +23,21 @@ REPO_ROOT="/workspaces/circuitpython"
 
 on_exit() {
   rc=$?
-  if [ -f /workspaces/install_build_env.log.active ]; then
-    mv /workspaces/install_build_env.log.active /workspaces/install_build_env.log
+  if [ -f /tmp/install_build_env.log.active ]; then
+    mv /tmp/install_build_env.log.active /tmp/install_build_env.log
   fi
   rm -rf /tmp/install_build_env
   exit $rc
 }
 
 # --- test prerequisites for installation   ------------------------------------
 
-while ! test -f /workspaces/post_create.finished; do
-  echo -e "[install_build_env.sh] waiting for /workspaces/post_create.finished ..."
+while ! test -f /tmp/post_create.finished; do
+  echo -e "[install_build_env.sh] waiting for /tmp/post_create.finished ..."
   sleep 1
 done
 
-if [ -f /workspaces/install_build_env.log ]; then
+if [ -f /tmp/install_build_env.log ]; then
   echo -e "[install_build_env.sh] installation already done"
   exit 0
 elif ! mkdir /tmp/install_build_env 2>/dev/null; then
@@ -58,7 +58,7 @@ echo -e "[install_build_env.sh] starting install"
 "$REPO_ROOT/.devcontainer/$CP_TOOLCHAIN-toolchain.sh" || exit 3
 "$REPO_ROOT/.devcontainer/make-mpy-cross.sh" || exit 3
 echo -e "Setup complete!\nStart a new terminal and build CircuitPython!\n"
-) |& tee /workspaces/install_build_env.log.active
+) |& tee /tmp/install_build_env.log.active
 
 echo -e "[install_build_env.sh] Setup complete!"
 exit 0

.devcontainer/post_create.sh

@@ -11,25 +11,25 @@ echo -e "[post_create.sh] PWD=$PWD\n"
 
 cat >> $HOME/.bashrc << "EOF"
 
-if [ -f /workspaces/install_build_env.log ]; then
+if [ -f /tmp/install_build_env.log ]; then
   # setup already done
   echo "CircuitPython build-environment ready for $CP_TOOLCHAIN/$CP_PORT"
   echo "To start a build run:"
   echo "  cd ports/$CP_PORT"
   echo "  time make -j $(nproc) BOARD=your_board_name TRANSLATION=de_DE"
-elif [ -f /workspaces/install_build_env.log.active ]; then
+elif [ -f /tmp/install_build_env.log.active ]; then
   echo "Initial setup of build environment in progress, please wait."
-  echo "Use 'tail -f /workspaces/install_build_env.log.active' to monitor progress."
+  echo "Use 'tail -f /tmp/install_build_env.log.active' to monitor progress."
   echo "After successful installation, start a new terminal to build CircuitPython."
 else
   echo "Starting initial setup of build environment, please wait"
-  nohup /workspaces/circuitpython/.devcontainer/install_build_env.sh >> $HOME/nohup.out &
-  echo "Use 'tail -f /workspaces/install_build_env.log.active' to monitor progress."
+  nohup /tmp/install_build_env.sh >> $HOME/nohup.out &
+  echo "Use 'tail -f /tmp/install_build_env.log.active' to monitor progress."
   echo "After successful installation, start a new terminal to build CircuitPython."
 fi
 
 EOF
-touch /workspaces/post_create.finished
+touch /tmp/post_create.finished
 
 # --- that's it!   ------------------------------------------------------------