Fixes Linux setup. Closes #808 (#809)

Author: waldekmastykarz

scripts/setup-beta.sh

@@ -43,13 +43,13 @@ full_path=$(pwd)
 
 set -e # Terminates program immediately if any command below exits with a non-zero exit status
 
-if [ -z "$0" ]
+if [ $# -eq 0 ]
 then
     echo "Getting latest beta Dev Proxy version..."
     version=$(curl -s "https://api.github.com/repos/microsoft/dev-proxy/releases?per_page=1" | awk -F: '/"tag_name"/ {print $2}' | sed 's/[", ]//g')
     echo "Latest beta version is $version"
 else
-    version=$0
+    version=$1
 fi
 
 echo "Downloading Dev Proxy $version..."

scripts/setup.sh

@@ -42,13 +42,13 @@ full_path=$(pwd)
 
 set -e # Terminates program immediately if any command below exits with a non-zero exit status
 
-if [ -z "$0" ]
+if [ $# -eq 0 ]
 then
     echo "Getting latest Dev Proxy version..."
     version=$(curl -s https://api.github.com/repos/microsoft/dev-proxy/releases/latest | awk -F: '/"tag_name"/ {print $2}' | sed 's/[", ]//g')
     echo "Latest version is $version"
 else
-    version=$0
+    version=$1
 fi
 
 echo "Downloading Dev Proxy $version..."