Error: Unable to parse OID - contains invalid characters with shortId (abbrev SHA1)

[thisconnect]

git.diff of 2 shortened sha1 throws Unable to parse OID - contains invalid characters Error.

var git = require('nodegit-kit');

git.repo('./path/to/gitrepo')
.then(function(repo){
    return git.diff(repo, '02d19b33c3', '4b6d5ef594');
})
.then(function(diff){
    console.log(diff);
})
.catch(function(error){
    console.log(error);
})

[thisconnect]

Relates to nodegit/nodegit#810