Merge pull request #67 from mmalecki/already-installed

Don't allow installing already installed version.
13 years ago · 273aeeee73
1 changed files with 3 additions and 0 deletions
--- a/nvm.sh
+++ b/nvm.sh
@ -108,6 +108,9 @@ nvm()
      fi
      [ "$NOCURL" ] && curl && return
      VERSION=`nvm_version $2`
+
+      [ -d "$NVM_DIR/$VERSION" ] && echo "$VERSION is already installed." && return
+
      tarball=''
      if [ "`curl -Is "http://nodejs.org/dist/$VERSION/node-$VERSION.tar.gz" | grep '200 OK'`" != '' ]; then
        tarball="http://nodejs.org/dist/$VERSION/node-$VERSION.tar.gz"