How to list all tags?

[nkt]

Hi!

var GitRepository = require('nodegit').Repository;
var GitTag = require('nodegit').Tag;
var Promise = require('bluebird');

var tags = GitRepository.open(repositoryPath).then(function (repo) {
    GitTag.list(repo);
});
Promise.map(tags, function (tag) {
    return {
        name: tag.name()
    }
}).then(function (tags) {
    res.json(tags);
});

This code throws error: Repository repo is required..

[nkt]

Also Repository::getTagByName throws The requested type does not match the type in the ODB

[johnhaley81]

This is a bug. The generated code didn't correctly figure out the return value of that C function so I'll start a fix for that.

Once that's fixed though your code will need some modifications though to work correctly.

var NodeGit = require("nodegit");
var repo;

var tags = NodeGit.Repository.open(repositoryPath).then(function (repoResult) {
    repo = repoResult;
    return NodeGit.Tag.list(repo);
});

// tags is already the list of names since NodeGit.Tag.list will return an array of strings containing
// each annotated tag's name

// Now to get the list of non-annotated tags you'll have to make another call to get them
repo.getReferenceNames(NodeGit.Reference.TYPE.OID)
.then(function (refs) {
    refs.forEach(function(ref) {
        if (ref.isTag()) {
            tags.push(ref.name());
        }
    });
}).then(function () {
    res.json(tags);
});

This is weird because tags are treated completely different in libgit2 depending on whether or not they are annotated. Which is exactly why you are getting that The requested type does not match the type in the ODB.

A non-annotated tag is returning the OID for the commit it's pointing to so you're telling the system to get a tag but asking for a commit instead. So you can only use getTagByName for an annotated tag.

It's weird, I know. I'm working on making it better right now :)

[johnhaley81]

The PR #300 should fix that but. And PR #297 should help with the weirdness between non-annotated tags and tags

[dickeylth]

It seems that there's an error in the code above:

repo.getReferenceNames(NodeGit.Reference.TYPE.OID) should be repo.getReferences(NodeGit.Reference.TYPE.OID).

[gausie]

I'm getting the ODB error for non-annotated tags still (version 0.4.1)

[larboyer]

This is working nicely for me:

var nodegit = require("nodegit");

function getVersionArray(repo_root, callback) {
    nodegit.Repository.open(repo_root).then( function( repo_handle ) {
        return nodegit.Tag.list(repo_handle);
    })
    .then( function(tag_list) {
        callback(null, tag_list);
    }) 
}