Updated installation script to install a specific version of the soft…

…ware. (#159)

* Version passing

* Added sanity check and installation for jq and notebook

* Corrected variable name

* Updated

* Updated installation instructions

README.md

@@ -97,6 +97,13 @@ BeSman is designed to work with linux machines. So, if you are a windows user, y
 
         curl -L https://raw.githubusercontent.com/Be-Secure/BeSman/dist/dist/get.besman.io | bash
 
+
+    If you want to install a specific version, use the following command, replacing X.Y.Z with the desired version:
+
+        export BESMAN_VERSION=X.Y.Z
+        
+        curl -L https://raw.githubusercontent.com/Be-Secure/BeSman/dist/dist/get.besman.io | bash
+
 2.  Source the files into memory
 
         source $HOME/.besman/bin/besman-init.sh

scripts/tmpl/get.besman.io.tmpl

@@ -10,10 +10,25 @@ export BESMAN_SERVICE="https://raw.githubusercontent.com"
 # BESMAN_DIST_BRANCH=${BESMAN_DIST_BRANCH:-REL-${BESMAN_VERSION}}
 
 BESMAN_NAMESPACE="@BES_NAMESPACE@"
-BESMAN_VERSION="@BES_VERSION@"
+BESMAN_VERSION="${BESMAN_VERSION:-@BES_VERSION@}"
+
 BESMAN_ENV_REPOS="$BESMAN_NAMESPACE/besecure-ce-env-repo"
 # BESMAN_DIST_BRANCH=${BESMAN_DIST_BRANCH:-REL-${BESMAN_VERSION}}
 
+if [[ -z $(command -v jq) ]]
+then
+	echo "Installing jq"
+	sudo apt update && sudo apt install jq -y
+fi
+
+echo "Checking version number"
+releases=$(curl -s --silent "https://api.github.com/repos/$BESMAN_NAMESPACE/BESMAN/releases" | jq -r '.[].tag_name')
+
+if ! echo "$releases" | grep -q "^$BESMAN_VERSION$"; then
+	echo "Version $BESMAN_VERSION is not a valid release in repository $repo."
+	exit 1
+fi
+
 if [[ -z "$BESMAN_DIR" ]]; then
     export BESMAN_DIR="$HOME/.besman"
 fi
@@ -188,6 +203,18 @@ if [[ -z $(which gh) ]]; then
 
 fi
 
+if [[ -z $(command -v pip) ]]
+then
+	echo "Installing pip"
+	sudo apt install python3-pip -y
+fi
+
+if [[ -z $(command -v jupyter) ]]
+then
+	echo "Installing jupyter notebook"
+	python3 -m pip install notebook
+fi
+
 if [[ "$solaris" == true ]]; then
 	echo "Looking for gsed..."
 	if [ -z $(which gsed) ]; then