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nvm.sh

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+# Node Version Manager
+# Implemented as a bash function
+# To use source this file from your bash profile
+#
+# Implemented by Tim Caswell <tim@creationix.com>
+# with much bash help from Matthew Ranney
+
+NVM_DIR=$HOME/.nvm
+
+nvm()
+{
+	START=`pwd`
+	if [ $# -lt 1 ]; then
+		nvm help
+		return
+	fi
+	case $1 in
+		"help" )
+			echo
+			echo "Node Version Manager"
+			echo "Usage:"
+			echo "    nvm install version"
+			echo "    nvm use version"
+			echo
+		;;
+		"install" )
+			if [ $# -lt 2 ]; then
+				nvm help
+				return;
+			fi
+			echo $START
+			mkdir -p "$NVM_DIR/src" && \
+			cd "$NVM_DIR/src" && \
+			wget "http://nodejs.org/dist/node-$2.tar.gz" -N && \
+			tar -xzf "node-$2.tar.gz" && \
+			cd "node-$2" && \
+			./configure --prefix="$NVM_DIR/$2" && \
+			make && \
+			make install && \
+			nvm use $2
+			cd $START
+		;;
+		"use" )
+			if [ $# -lt 2 ]; then
+				nvm help
+				return;
+			fi
+			# TODO: Remove old nvm paths before adding this one
+			PATH="$NVM_DIR/$2/bin:$PATH"
+			echo "Now using node $2"
+		;;
+		* )
+			nvm help
+		;;
+	esac
+}