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Source version control using subversion


Source version control using subversion

Source version control using subversion

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  • 1. Source Version Control using Subversion Compiled By: Mangesh Bhujbal
  • 2. Why Source Version Control? • Allows many people to work concurrently on a codebase. • Maintains snapshots of the code repository. • Continuous incremental backup. • Ability to recall older code.
  • 3. What are the Source Version Control Softwares? • Subversion • Git • Mercurial • Bazaar • Visual SourceSafe • Team Foundation Server • Many more….
  • 4. Subversion (Centralized Repository) Working Copy 1 Staging Working Copy (Checked out from Trunk) (Checked out from Staging branch) Subversion Repository Working Copy 2 (Checked out from Trunk) Production Working Copy (Checked out from Production branch)
  • 5. Subversion Workflow • Developers checkout code from the repository to a local workingcopy. • After making edits in working copy, they commit the changes to the repository. • At any point, they can revert to an older version of the codebase. • They update their local working copy frequently to keep up with changes. • In case of conflict, then resolve the conflict.
  • 6. Subversion Tools • Command Line • sudo apt-get install subversion libapache2-svn • svnadmin create /path/to/repos/project • Edit /conf/svnserve.conf file and menion the passwd file to be used for authentication, & disallow anonymous access • sudo svnserve -d -r /path/to/repos • svn co svn://IP-Address/path/to/repos/project/trunk/ test_checkout/ -username user_name • svn update • svn status • svn commit --message "Add a few more things"
  • 7. Subversion Tools • GUI • TortoiseSVN • Right-click a directory and get a context-menu with everything in there.
  • 8. Project Layout • trunk/ • This is the main working branch. • branches/ • In this folder we will have two branches for Staging and Production. • tags/ • Whenever we do release, we will label the trunk code and store it in this folder. Note: The basic differences between Branch & Tag is, on Tag we are not suppose to work, it is a snapshot and on Branch we can work and later merger it with main branch
  • 9. Best Practices • Take svn update often to avoid the conflict. • Do not commit the config file in the repository. • Do not copy the working copy folders as it is to other working copy. • Check-in the DB scripts as well. • For deleting/renaming files/folders use TortoiseSVN context menu. • While committing any changes compare it first and then commit.
  • 10. • Demo •Q&A