Merge pull request #15 from wplib/14-set-cli-processvm

set-cli-processvm should check that binary exists before removing exi…

Author: mikeschinkel

guest/cli/includes/set-cli-processvm

@@ -3,8 +3,16 @@
 echo
 echo "Setting CLI Process VM to $1..."
 
-sudo rm /etc/alternatives/php
-sudo ln -s "/usr/bin/$1" /etc/alternatives/php
+if [ -f "/usr/bin/$1" ]; then
+    sudo rm /etc/alternatives/php
+    sudo ln -s "/usr/bin/$1" /etc/alternatives/php
+    error=0
+else
+    echo "The $1 executable does not exist."
+    error=1
+fi
 
 echo
-php -v
+php -v
+
+return $error