Modify script file

getESP32.sh

 ## This is where you want the entire toolchain to live
 ## You should run this script from within the destination directory, or 
 ##  redefine the BASE variable to fit your lifestyle.
+
+#The script here is derived from: http://esp-idf.readthedocs.io/en/latest/linux-setup.html
+
 BASE=$(pwd)
 
 echo
 echo [getESP32.sh]: Checking for system prerequisites
-[[ $(which pacman) ]] && sudo pacman -S --needed gcc git make ncurses flex bison gperf python2-pyserial wget 2>/dev/null
-[[ $(which apt-get) ]] && sudo apt-get install git make libncurses-dev flex bison gperf python python-serial wget 2>/dev/null
+#Uncomment for archlinux
+#[[ $(which pacman) ]] && sudo pacman -S --needed gcc git make ncurses flex bison gperf python2-pyserial wget 2>/dev/null
+#Uncomment for ubuntu
+[ $(which apt-get) ] && sudo apt-get install git make libncurses-dev flex bison gperf python python-serial wget 2>/dev/null
 
 
-## Get or update IDF
+# Get or update IDF
 echo
-if [[ -d esp-idf ]] ; then 
+echo Get or update IDF
+if [ -d esp-idf ]
+then 
 	echo "[getESP32.sh]:  found esp-idf, updating"
 	cd esp-idf 
 	git pull && git submodule update --recursive 
@@ -20,20 +27,39 @@ else  ## not found, get it
 	git clone --recursive https://github.com/espressif/esp-idf.git
 fi
 
-## Get binary toolchain -- this might get out of date when they change blobs:
-## Current version Sept 29, 2016
+## Get 64 bit linux binary toolchain -- this might get out of date when they change blobs:
+## Current version 1.22.0-61-gab8375a-5.2.0
 echo
-if [[ -d xtensa-esp32-elf ]] ; then 
-	echo "[getESP32.sh]:  Found binary toolchain.  Moving on to template app."
+echo Get 64 bit linux binary toolchain -- this might get out of date when they change blobs
+
+if [ -d xtensa-esp32-elf ]
+then 
+	echo "[getESP32.sh]:  Found binary toolchain. Performing mandatory replacement"
+	rm -rf xtensa-esp32-elf
+	wget https://dl.espressif.com/dl/xtensa-esp32-elf-linux64-1.22.0-61-gab8375a-5.2.0.tar.gz
+	tar xvzf xtensa-esp32-elf-linux64-1.22.0-61-gab8375a-5.2.0.tar.gz && \
+		rm *.tar.gz && rm *.tar.gz.*
 else
-	wget https://dl.espressif.com/dl/xtensa-esp32-elf-linux64-1.22.0-59.tar.gz
-	tar xvzf xtensa-esp32-elf-linux64-1.22.0-59.tar.gz && \
-		rm xtensa-esp32-elf-linux64-1.22.0-59.tar.gz
+	wget https://dl.espressif.com/dl/xtensa-esp32-elf-linux64-1.22.0-61-gab8375a-5.2.0.tar.gz
+	tar xvzf xtensa-esp32-elf-linux64-1.22.0-61-gab8375a-5.2.0.tar.gz && \
+		rm xtensa-esp32-elf-linux64-1.22.0-61-gab8375a-5.2.0.tar.gz
+fi
+
+## Perform mandatory removal of any tar files in case of an error
+echo
+echo Perform mandatory removal of any tar files in case of an error
+if [ -f *.tar.gz ] || [ -f *.tar.gz.* ]
+then
+	echo removing residual tar files
+	rm *.tar.gz
+	*.tar.gz.*
 fi
 
 ## Get demo application
 echo
-if [[ -d esp-idf-template ]] ; then 
+echo Get demo application
+if [ -d esp-idf-template ]
+then 
 	echo "[getESP32.sh]:  Found esp-idf-template, updating"
 	cd esp-idf-template 
 	git pull 
@@ -48,12 +74,13 @@ fi
 ##   to reset these variables as necessary.
 
 echo
+echo Setup environment variables
 echo [getESP32.sh]:  Exporting environment variables:
 export IDF_PATH=${BASE}/esp-idf
 echo [getESP32.sh]:  export IDF_PATH=${BASE}/esp-idf
 export PATH=$PATH:${BASE}/xtensa-esp32-elf/bin
 echo [getESP32.sh]:  export PATH=$PATH:${BASE}/xtensa-esp32-elf/bin
 
-echo
+echo Setting up I	DF
 echo [getESP32.sh]:  cd $BASE/esp-idf-template and 
 echo [getESP32.sh]:    type make menuconfig or make flash to get going