Use Git dependencies with npm and Node on Heroku


Question

I have this package.json file:

{
    "name": "application-name"
  , "version": "0.0.1"
  , "private": true
  , "dependencies": {
      "coffee-script": "1.1.3"
    , "express": "2.5.0"
    , "less": "1.1.5"
    , "jade": "0.17.0"
    , "connect-redis": "1.2.0"
    , "hiredis": "0.1.13"
    , "redis": "0.7.1"
    , "bcrypt": "0.4.1"
    , "promised-io": "0.3.0"
    , "jugglingdb": "git://github.com/juggy/jugglingdb.git#master"
    , "nodemailer": "0.2.3"
  }
}

and I want to deploy to Heroku. It works fine locally with npm version 1.0.105, but it chokes on Heroku (I updated the npm there to 1.0.105 as well):

   -----> Heroku receiving push
   -----> Fetching custom build pack... done
   -----> Node.js app detected
   -----> Fetching Node.js binaries
   -----> Vendoring node 0.4.7
   -----> Installing dependencies with npm 1.0.105
          npm ERR! git checkout master fatal: Not a git repository: '.'
          npm ERR! Error: `git "checkout" "master"` failed with 128
          npm ERR!     at ChildProcess.<anonymous> (/tmp/node-npm-Jb2d/lib/utils/exec.js:49:20)
          npm ERR!     at ChildProcess.emit (events.js:67:17)
          npm ERR!     at ChildProcess.onexit (child_process.js:192:12)
          npm ERR! Report this *entire* log at:
          npm ERR!     <http://github.com/isaacs/npm/issues>
          npm ERR! or email it to:
          npm ERR!     <npm-@googlegroups.com>
          npm ERR! 
          npm ERR! System Linux 2.6.32-316-ec2
          npm ERR! command "/tmp/node-node-C3jD/bin/node" "/tmp/node-npm-Jb2d/cli.js" "install"
          npm ERR! cwd /tmp/build_2yzg7lk83o5m9
          npm ERR! node -v v0.4.7
          npm ERR! npm -v 1.0.105
          npm ERR! git checkout master fatal: Not a git repository: '.'
          npm ERR! 
          npm ERR! Additional logging details can be found in:
          npm ERR!     /tmp/build_2yzg7lk83o5m9/npm-debug.log
          npm not ok
    !     Failed to install dependencies with npm
    !     Heroku push rejected, failed to compile Node.js app 

Also, I do not seem to find a way to get access to that log file in /tmp.

As anyone succeed deploying a Git dependency on Heroku (works fine on ruby side :P) ?

1
30
2/24/2015 11:40:09 PM

Accepted Answer

The problem is in their nodejs buildpack. I've sent a pull request to Heroku with a fix, but I have no idea if or when they'll respond. Fortunately, there's a not-very-well documented method for using a custom buildpack, which will allow you to work around the issue. I've forked heroku's nodejs buildpack and fixed the problem - available here:

https://github.com/chrisleishman/heroku-buildpack-nodejs/tree/git_fix

To use this, you're best creating your own github fork of https://github.com/heroku/heroku-buildpack-nodejs and then merging in my chrisleishman/git_fix branch. E.g. (after forking):

git clone git@github.com:@YOUR-GITHUB-NAME@/heroku-buildpack-nodejs.git
cd heroku-buildpack-nodejs
git remote add chrisleishman git://github.com/chrisleishman/heroku-buildpack-nodejs.git
git fetch chrisleishman
git merge chrisleishman/git_fix
git push

You can then add the BUILDPACK_URL config variable to your heroku app. E.g.

heroku config:add BUILDPACK_URL="git://github.com/@YOUR-GITHUB-NAME@/heroku-buildpack-nodejs.git

The next push to heroku should then use the custom buildpack, containing the fix.

12
12/26/2011 9:49:24 AM

FYI if its on GitHub you can just specify the username/repository and npm will do the rest.

{
    "name": "application-name"
  , "version": "0.0.1"
  , "private": true
  , "dependencies": {
      "coffee-script": "1.1.3"
    , "express": "2.5.0"
    , "less": "1.1.5"
    , "jade": "0.17.0"
    , "connect-redis": "1.2.0"
    , "hiredis": "0.1.13"
    , "redis": "0.7.1"
    , "bcrypt": "0.4.1"
    , "promised-io": "0.3.0"
    , "jugglingdb": "juggy/jugglingdb"
    , "nodemailer": "0.2.3"
  }
}

Alternatively

Specify one of (git/git+ssh/git+http/git+https)://user@host/repo.git urls

Fully documented


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