Version Control

• Travis Denny
• System Analyst
• Education & Natural Resources Business Segment
• Oklahoma Office of Management and Enterprise Services

Configuration Management

Process of managing the code and documentation of an evolving software system.

Configuration management planning

Defining the standards and procedures that should be used for configuration management

Change management

Analysing costs and benefits of proposed changes

Version and release management

Identifying and keeping track of the versions of a system

System building

Compiling and linking software components into an application

Version Control

Version

State or snapshot of a system's source (eg. code, documentation, other resources)

Version numbering

• Incrementing the leftmost number indicates a major enhancement or a great deal of additional functionality
• The middle number represents minor enhancements or additions
• The rightmost number counts bugfixes

Support for Version Control

All version control systems provide a basic set of capabilities

1. Version and release identification
2. Storage management
3. Independent development
4. Change History
5. Project support

Independent Development

Problem with collaboration

Independent Development

Lock-modify-unlock solution

Independent Development

Copy-modify-merge solution

Independent Development

Copy-modify-merge solution (continued)

Change History

Change History

Open-source Version Control Systems

• Client-server
• CVS
• Subversion (SVN)
• Distributed
• Git
• Mercurial
• SVK