New JGit utility function to retrieve commits since a specific date

James Moger

2011-11-16 2f1c776719cf3817a118ab930547e46301fad738

 src/com/gitblit/utils/JGitUtils.java

@@ -62,6 +62,7 @@
import org.eclipse.jgit.revwalk.RevSort;

import org.eclipse.jgit.revwalk.RevTree;

import org.eclipse.jgit.revwalk.RevWalk;

import org.eclipse.jgit.revwalk.filter.CommitTimeRevFilter;

import org.eclipse.jgit.revwalk.filter.RevFilter;

import org.eclipse.jgit.storage.file.FileRepository;

import org.eclipse.jgit.transport.CredentialsProvider;

@@ -824,6 +825,45 @@
   }



   /**

    * Returns a list of commits since the minimum date starting from the

    * specified object id.

    * 
    * @param repository

    * @param objectId

    *            if unspecified, HEAD is assumed.

    * @param minimumDate

    * @return list of commits

    */

   public static List<RevCommit> getRevLog(Repository repository, String objectId, Date minimumDate) {

      List<RevCommit> list = new ArrayList<RevCommit>();

      if (!hasCommits(repository)) {

         return list;

      }

      try {

         // resolve branch

         ObjectId branchObject;

         if (StringUtils.isEmpty(objectId)) {

            branchObject = getDefaultBranch(repository);

         } else {

            branchObject = repository.resolve(objectId);

         }



         RevWalk rw = new RevWalk(repository);

         rw.markStart(rw.parseCommit(branchObject));

         rw.setRevFilter(CommitTimeRevFilter.after(minimumDate));

         Iterable<RevCommit> revlog = rw;

         for (RevCommit rev : revlog) {

            list.add(rev);

         }

         rw.dispose();

      } catch (Throwable t) {

         error(t, repository, "{0} failed to get {1} revlog for minimum date {2}", objectId,

               minimumDate);

      }

      return list;

   }



   /**

    * Returns a list of commits starting from HEAD and working backwards.

    * 

    * @param repository