Merge pull request #370 from jpadilla/patch-1

Detect if curl or wget is installed to download NVM_SOURCE

install-gitless.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-function fatalExit (){
+fatalExit (){
   echo "$@" && exit 1;
 }
 
@@ -17,7 +17,16 @@ fi
 mkdir -p "$NVM_DIR"
 pushd "$NVM_DIR" > /dev/null
 echo -ne "=> Downloading... "
-curl --silent "$NVM_SOURCE" -o nvm.sh || fatalExit "Failed";
+
+# Detect if curl or wget is installed to download NVM_SOURCE
+if type curl > /dev/null 2>&1; then
+  curl --silent "$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