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ClearCase and GIT Bridge (CC2GIT)
£1,100.00
Complete Integration between IBM Rational ClearCase and GIT
The ClearCase to Git Bridge has been developed for companies who;- Are transitioning from IBM Rational ClearCase to the Open Source solution Git (or vice versa);
- Operate a hybrid Software Change and Configuration Management (SCCM) environment and want to integrate SCCM solutions.
Many companies recognise that IBM Rational ClearCase and Git have different strengths and benefits depending on the size and complexity of each development project. The CC2Git Bridge provides the opportunity to fully integrate IBM Rational ClearCase and Git meaning each development project can choose the Software Configuration Management solution which is most appropriate while continuing to share data and components with other products and programmes.
Whether transitioning between SCCM solutions, merging geographically distributed development teams, merging companies/software products into your SCCM environment or looking to allow diversity and choice within development teams, the CC2Git Bridge allows bi-directional sharing of version controlled content (software, documentation etc.) across a Local Area Network or geographically dispersed environment.
The CC2Git Bridge allows developers to quickly and easily transport code between the two tools, enabling one continuous integrated SCCM environment with the reduced costs associated with open source software.
Transitioning from IBM Rational ClearCase to Git (or vice versa) Companies attempting to migrate from one software version control tool to another will appreciate the challenges involved in the 'big bang' approach including;
- Full data migration (including down time, process testing, backup and recovery, post-migration support)
- Cleanly removing tool dependencies before migration (build, policy & process, integrations, performance, etc) prior to migration
- Defining new support and development processes
- Educating and training for staff within tight deadlines
- Reducing impact on delivery dates and external projects/teams
The CC2Git bridge allows companies to perform a controlled migration within longer timescales, learning and resolving dependencies as they arise, using live data but without affecting project teams.
Hybrid SCCM development environments
Many organisations have IBM Rational ClearCase deeply embedded in their development environment, for many projects ClearCase remains the preferred SCCM tool.
Equally companies are seeking cost effective, functionally rich alternative SCCM solutions which enable projects to react quickly to new business demands. Git has been proved to be ideal as a tool for agile distributed development, projects are reorganising themselves away from centralised tools such as ClearCase to a distributed SCCM solution however they still understand the benefits of using ClearCase as a storage base to share code and keep regular backups. The CC2Git Bridge provides a multisite solution between IBM Rational ClearCase and Open Source Git.
High level technical overview
Diagram 1 below represents the CC2Git Bridge mapping a ClearCase data structure to an equivalent Git data structure. A change to a file in Git will be transported across the CC2Git bridge and checked in as a change in ClearCase, and vice versa.

The principle of the bridge is simple, a change in one tool is mirrored across the bridge where it is automatically picked up and applied. CC2Git abides by the rules of the corresponding tool regarding conflicts i.e. should a conflict occur, the developer is notified.
Further technical detail is available from the product documentation.
ClearCase is copyright to IBM Rational©
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