Detect if curl or wget is installed

install-gitless.sh

@@ -17,7 +17,16 @@ fi
 mkdir -p "$NVM_DIR"
 pushd "$NVM_DIR" > /dev/null
 echo -ne "=> Downloading... "
+
+# Detect if curl or wget is installed to download NVM_SOURCE
+if type curl > /dev/null 2>&1; then
     curl --silent "$NVM_SOURCE" -o nvm.sh || fatalExit "Failed";
+elif type wget > /dev/null 2>&1; then 
+    wget --quiet "$NVM_SOURCE" -O nvm.sh || fatalExit "Failed";
+else
+    fatalExit "Must have curl or wget to install nvm";
+fi
+
 echo "Downloaded"
 popd > /dev/null