Cloning git sub modules using "nodegit" npm module #560

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1. tbranyen commented on May 11, 2015

   

   tbranyen

   on May 11, 2015

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   Yes it is possible. See the OP here for clues on how to do it: libgit2/libgit2sharp#640
2. tbranyen

   closed this as completedon May 11, 2015
3. shivakumarpm commented on May 13, 2015

   

   shivakumarpm

   on May 13, 2015

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   Hi @tbranyen, one thing i am not able to understand that "libgit2sharp" is a native module, i want to clone recursively without installing git on my system. Instead i want to use node module to clone recursively. i used nodegit module like " var clone = require("nodegit").Clone.clone;
   // Clone a given repository into a specific folder.
   clone("https://github.com/xyz.git", "bootplate-moonstone", null)
   .then(function(repo) {
   finish();
   })
   .catch(function(err) { finish(err, {msg : 'error while cloning'});});" but it wont clones sub modules.
   Could you please guide me how to clone sub modules using "nodegit"?
4. maxkorp commented on May 13, 2015

   

   maxkorp

   on May 13, 2015

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   Libgit2sharp is a wrapper for libgit2 in c#, the same way that nodegit is a wrapper for libgit2 for javascript (albeit largely written in C++). The same series of commands you would use in one shouldmostly apply in the other.

   What Tim was saying is that this is the algorithm for doing what you want to do, just use nodegit commands instead of libgit2sharp commands, since the structure carries over.

   If you need more help, talk to us in our gitter room https://gitter.im/nodegit/nodegit and we'll get you all sorted out 👍
5. ggendre commented on Aug 4, 2015

   

   ggendre

   on Aug 4, 2015

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   Hi,

   I'm having the same need as @shivakumarpm : I want to clone my repository and init and update all submodules recursively.

   I understand from @maxkorp reply that I should use the same algorithm as used in the linked commit. Which is :

   foreach (Submodule module in this)
   {
       module.Init(options);
       module.Update(options);
       using (Repository subrepo = new Repository(module.WorkingDirectory))
       {
           subrepo.Submodules.InitAndUpdateRecursively(options);
       }
   }
   

   So, my problem is to get the submodule list with nodegit. I can't find any function that gives me the submodules list. Did I miss something ?
6. tbranyen commented on Aug 4, 2015

   

   tbranyen

   on Aug 4, 2015

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   @ggendre nope, but we are: https://github.com/nodegit/nodegit/blob/master/generate/input/descriptor.json#L1931-L1933 I don't remember why we don't compile it, but that method is ignored atm
7. johnhaley81 commented on Aug 4, 2015

   

   johnhaley81

   on Aug 4, 2015

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   @ggendre A PR with that method enabled and some tests confirming the functionality would be amazing hint hint nudge nudge
8. ggendre commented on Aug 5, 2015

   

   ggendre

   on Aug 5, 2015

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   Sorry, I have not enough time to dive into this.

   Instead, to ugly-fix my needs, I made a loop over the submodule list grabbed from the modules list in .gitmodules

   Ini = require('ini');
   var config = Ini.parse(fs.readFileSync(path.normalize( localPath + '/.gitmodules'), 'utf-8'));
   //if startswith submodule, push into modules
   modules = [];
   for (var i in config) {
       if (i.indexOf('submodule') === 0){
           modules.push(config[i]);
       }
   }
   for (var i in modules) {
       var modulePath = modules[i].path;
       Git.Submodule.lookup(repository, modulePath).then(function(submodule) {
           // Use submodule
           log.success("got submodule '" + submodule.path() + "'");
           try{
               submodule.init(1);
               log.success("submodule init worked");
           }catch(e){
               log.error("submodule init failed "+ e);
           }
           try{
               submodule.update(1,new Git.CheckoutOptions);
               log.success("submodule update worked");
           }catch(e){
               log.error("submodule update failed "+ e);
           }
       },function(err){
           log.error('cant get submodule : '+err)
       });
   }
   

   This doesn't need to be recursive, submodules of submodules are retrieved with the init or update function.

   This is quite ugly but I'm posting it here if it can help anybody. Maybe one day I will dive into the writing of tests you talked about, but not now :)

   have a good day,
9. papiro commented on Sep 19, 2015

   

   papiro

   on Sep 19, 2015

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   @ggendre, I can't believe I didn't find your post sooner. I looked everywhere for an example of how to do this and couldn't find anything! I too had the same issue and decided to manually parse the .gitmodules file and I even was having trouble getting the right syntax for submodule.update (didn't know about new Git.CheckoutOptions). Thanks!
10. ggendre commented on Jul 15, 2016

    

    ggendre

    on Jul 15, 2016

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    for the record, nodegit now has a foreach and lookupmethod to browse submodules
11. felixfbecker commented on Dec 28, 2016

    

    felixfbecker

    on Dec 28, 2016

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    @ggendre Do you have a small snippet that essentially does git clone --recursive? Completely lost

    👍React with 👍1Reacted by Aliaksandr Lomau
12. allomov commented on Dec 12, 2017

    

    allomov

    on Dec 12, 2017

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    @felixfbecker here is a recursive function I have come to.