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Fundamentals of Software Version Control

Exploring workflow integration and continuous builds


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Fundamentals of Software Version Control

with Michael Lehman
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  1. 2m 12s
    1. Welcome
      56s
    2. What you should know before taking this course
      23s
    3. Using the exercise files
      53s
  2. 25m 8s
    1. Overview of software version control
      2m 51s
    2. Understanding version control concepts
      5m 14s
    3. Demo one: Getting started
      11m 1s
    4. Demo two: Handling the "oops"
      6m 2s
  3. 11m 3s
    1. The history of version control
      3m 44s
    2. Terminology
      4m 27s
    3. Exploring centralized vs. distributed systems
      2m 52s
  4. 28m 42s
    1. Getting files in and out of a repository
      4m 38s
    2. Saving changes and tracking history
      2m 47s
    3. Reverting to a prior version
      1m 42s
    4. Creating tags and labels
      1m 5s
    5. Branching and merging
      4m 10s
    6. Exploring workflow integration and continuous builds
      2m 46s
    7. Using graphical user interface (GUI) tools
      2m 39s
    8. Integrating a version control system with an integrated development environment (IDE)
      2m 50s
    9. Examining shell integration
      3m 26s
    10. Looking at forward and reverse integration
      2m 39s
  5. 25m 59s
    1. Installation and setup
      3m 31s
    2. Creating a repository and a project
      5m 10s
    3. Working with check-in, checkout, and revert
      6m 12s
    4. Tagging
      1m 34s
    5. Branching and merging
      5m 32s
    6. Working with GUI clients and IDE integration
      4m 0s
  6. 16m 13s
    1. Installation and setup
      55s
    2. Working with check-in, checkout, and revert
      9m 34s
    3. Tagging
      1m 7s
    4. Branching and merging
      4m 37s
  7. 26m 41s
    1. Installation and setup
      3m 47s
    2. Creating a repository and a project
      6m 15s
    3. Working with check-in, checkout, and revert
      8m 31s
    4. Tracking history and tagging
      2m 15s
    5. Branching and merging
      5m 53s
  8. 19m 25s
    1. Installation and setup
      3m 1s
    2. Creating a repository and a project
      1m 6s
    3. Working with check-in, checkout, and revert
      6m 39s
    4. Tagging
      2m 13s
    5. Branching and merging
      3m 44s
    6. Working with GUI clients and IDE integration
      2m 42s
  9. 16m 54s
    1. Installation and setup
      1m 48s
    2. Creating a repository and a project
      59s
    3. Working with check-in, checkout, revert, and tracking history
      6m 9s
    4. Tagging
      1m 50s
    5. Branching and merging
      4m 29s
    6. Exploring GUI and shell integration
      1m 39s
  10. 3m 38s
    1. Selecting a software version control that is right for you
      2m 30s
    2. Next steps
      1m 8s

Video: Exploring workflow integration and continuous builds

Some Version Control systems, such as Microsoft's Team Foundation Server, have what's called Integrated Workflow Item Tracking. This means you can have your testers associate a bug with a particular check in. So a developer who does coding checks in the source code, a tester does some testing and finds a bug, so they log the bug. In this case, it's called creating a work item. That work item now represents a particular issue that's going on in the software. It goes back to the developer who fixes the bug, and then when they commit their change to the Source Code Control System, the work item is also associated with that particular commit message so that when the tester receives the notification that, that work item has been updated, they not only have the commit message that the developer created, they also know exactly which bug which they created is associated with that, so they can verify that the bug has in fact been fixed.

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Fundamentals of Software Version Control
2h 55m Intermediate Nov 07, 2012

Viewers: in countries Watching now:

This course is a gateway to learning software version control (SVC), process management, and collaboration techniques. Author Michael Lehman reviews the history of version control and demonstrates the fundamental concepts: check-in/checkout, forking, merging, commits, and distribution. The choice of an SVC system is critical to effectively managing and versioning the assets in a software development project (from source code, images, and compiled binaries to installation packages), so the course also surveys the solutions available. Michael examines Git, Perforce, Subversion, Mercurial, and Microsoft Team Foundation Server (TFS) in particular, describing the appropriate use, features, benefits, and optimal group size for each one.

Topics include:
  • Comparing centralized vs. distributed systems
  • Saving changes and tracking history
  • Using revert or rollback
  • Working with the GUI tools
  • Using IDE and shell integration
  • Installing different systems
  • Creating a repository
  • Tagging code
  • Branching and merging code
  • Selecting a software version control system that's right for you
Subjects:
Developer Mobile Apps Desktop Apps Programming Foundations
Software:
Git Mercurial ALM/TFS Perforce
Author:
Michael Lehman

Exploring workflow integration and continuous builds

Some Version Control systems, such as Microsoft's Team Foundation Server, have what's called Integrated Workflow Item Tracking. This means you can have your testers associate a bug with a particular check in. So a developer who does coding checks in the source code, a tester does some testing and finds a bug, so they log the bug. In this case, it's called creating a work item. That work item now represents a particular issue that's going on in the software. It goes back to the developer who fixes the bug, and then when they commit their change to the Source Code Control System, the work item is also associated with that particular commit message so that when the tester receives the notification that, that work item has been updated, they not only have the commit message that the developer created, they also know exactly which bug which they created is associated with that, so they can verify that the bug has in fact been fixed.

Here we can see an example. This is the Team Foundation Server Explorer inside Visual Studio, and here we have Work Items, and you can actually query for the Work Items that are associated with your particular user. Here we have a tester creating a New Work Item, and here the tester creates a new bug. In this case, Microsoft calls this an Issue, and they can fill in Priority and Status and a Description, add File Attachments, everything that a tester might want to be able to give to a developer to help them fix the bug.

Another development technique that is often used in team scenarios is something called continuous build systems. This means that every time you make a change to the Source Code, the product is rebuilt to verify that your changes are compatible with all the other changes being made to the system before the changeset is recorded permanently in the repository. So the developer makes changes to the Source Code and does the check in and the system then runs a build to verify that the changes that were checked in built cleanly. You can even make sure that the build system actually runs unit tests to make sure that they test cleanly before actually committing the changes to the repository.

I know that previous to this I said that the words check in and commit are equivalent, but in this particular scenario, the terms actually get split apart a little bit in order to be able to handle this multiphase committing process. So the developer does a check in and then the system does a build verification, and then once the build verification as passed, then the changes are actually committed to the repository. And here we can see in TFS a number of the different kinds of build quality gates that can be set up to determine when the code is actually committed.

As you start to use Version Control, consider how it can work with the other tools you are already using, such as build servers and bug tracking systems, and you can create a more powerful tool out of the combination of these tools.

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