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  1. Install SubGit tool according to the Installation guide.

  2. Configure GitLab server:

    • Login to GitLab web GUI and create a new project:


      Give a name to your project, do not check “Initialize repository with a README” checkbox, and click Create project button.

       
  3. Configure the repository:

    • Change identity to 'git' user:

      change identity to git user
      $ su git
    • Change directory to that one that contains the newly created project.

      • Older versions of GitLab stored projects in

        /var/opt/gitlab/git-data/repositories/<username>

        where <username> was the GitLab username that had been used during the project creation on step 1.

      • Since version 10.0 GitLab uses hashed storage as follows:

        /var/opt/gitlab/git-data/repositories/@hashed/<hash[0..1]>/<hash[2..3]>/<hash>.git

        To find the repository path in GitLab v.10+, follow this guide

    • Navigate to that directory:

      change directory
      $ cd /var/opt/gitlab/git-data/repositories/<repo_path>
    • Perform initial import configuration:

      $ subgit configure --layout auto --trunk TRUNK SVN_URL GIT_REPO

      where

      • SVN_URL    – SVN project URL.
      • GIT_REPO  – a path to new Git repository.
      • TRUNK        –  a path, relative to SVN_URL, that leads to an SVN directory that plays a role of the main line of development.
       see the configuration command example.
      subgit configure example
      $ subgit configure --layout auto --trunk trunk http://svn.example.com/svn/repository/project ./project.git
      
                  SubGit version 3.2.4 ('Bobique') build #3670
      
                  Configuring writable Git mirror of remote Subversion repository:
                      Subversion repository URL : http://svn.example.com/svn/repository/project
                      Git repository location   : ./project.git
      
                  Git repository is served by GitLab, hooks will be installed into 'custom_hooks' directory.
      
                  Detecting peg location...
                  Authentication realm: <http://svn.example.com/:80> Subversion Repository
                  Username [git]: user
                  Password for 'user':
                  Peg location detected: r10248 project/trunk
                  Fetching SVN history... Done.
                  Growing trees... Done.
                  Project origin detected: r1 project/trunk
                  Building branches layouts... Done.
                  Combing beards... Done.
                  Generating SVN to Git mapping... Done.
      
                  CONFIGURATION SUCCESSFUL
      
                  To complete SubGit installation do the following:
      
                  1) Adjust Subversion to Git branches mapping if necessary:
                      /var/opt/gitlab/git-data/repositories/user/project.git/subgit/config
                  2) Define at least one Subversion credentials in default SubGit passwd file at:
                      /var/opt/gitlab/git-data/repositories/user/project.git/subgit/passwd
                     OR configure SSH or SSL credentials in the [auth] section of:
                      /var/opt/gitlab/git-data/repositories/user/project.git/subgit/config
                  3) Optionally, add custom authors mapping to the authors.txt file(s) at:
                      /var/opt/gitlab/git-data/repositories/user/project.git/subgit/authors.txt
                  4) Run SubGit 'install' command:
                      subgit install ./project.git
    • Specify authors mapping.

      Configure authors mapping in the default authors mapping file:

      GIT_REPOS/subgit/authors.txt 

      Or change core.authors option so that it points to the global authors mapping file.
      Find more details about authors mapping in Authors mapping article.



  4. Perform import and start using the new Git repository:

    • Import data to the repository by the command:

      $ subgit import GIT_REPO
       See import example
      subgit import
      $ subgit import ./project.git
      
         SubGit version 3.2.4 ('Bobique') build #3670
      
         Authentication realm: <http://svn.example.com:80> Subversion Repository
         Username [git]: user
         Password for 'user': 
      
         Translating Subversion revisions to Git commits...
      
            Subversion revisions translated: 10248.
            Total time: 2 hours 15 minutes 38 seconds.
      
         IMPORT SUCCESSFUL



    • When the command completes, you can clone your new Git repository and start to work with it:

      $ git clone GITREPO WORKTREE

      where
          WORK_TREE – a path to your working copy.  


       See the command example
      repository cloning example
      $ git clone http://user@example.com/user/project.git /home/user/gitlab_project.git
        Cloning into '/home/user/gitlab_project.git'...
        Password for 'http://user@example.com': 
        remote: Counting objects: 99, done.
        remote: Compressing objects: 100% (39/39), done.
        remote: Total 99 (delta 50), reused 99 (delta 50)
        Unpacking objects: 100% (99/99), done.

      Empty working tree case

      If Git warns you that you are cloning an empty repository and you don't see your files in the working tree, most probably automatic branches and tags mapping didn't work correctly. In this case, mapping has to be set manually, see details on mapping in Branches and tags mapping.

  5. Get support:

    If you run into any problems, see one of the following guides for more details:

Note:

For one-time import, no license is needed.

Should you need assistance, don't hesitate to contact us at support@tmatesoft.com.