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git Tutorials

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    Mercurial Tips

    While most of the world seems to be using git for version control, Mozilla continues to use Mercurial (hg) to manage the Firefox source code. As a git and GitHub lover, it took me a while to get used to Mercurial. I...

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    Checkout the Last Public Revision with Mercurial

    I've always preferred git over Mercurial (hg) because the feature branch workflow makes organizing code and working off of master very easy. You don't get that with vanilla mercurial -- instead, commits can just sort of apply on top of each other, without much organization.

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    Set Branch Alias with Git

    Version control systems can be difficult to use, especially when you don't use a UI app. Just think about main branch or revision names: svn uses "trunk", git uses "master", and mercurial (hg) uses "tip". I need to switch between mercurial and git...

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    How to Set Commit Author

    I've worn dozens of hats on a dozen different teams during my time at Mozilla, but none has been as rewarding and challenging as community management. Whether it's mentoring students, welcoming new contributors, or reviewing pull requests, there's always so much to be done. There's also...

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    Git Checkout at Previous Timeframe

    In the past I've blogged about checking out branches created on a specific date as well as sorting git branches by date, but one frequent usage of git and dates is checking out a commit at a given time in the past.

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    Create gists from Command Line

    One of the best ways to gain contributors for your open source project is by providing a rough patch for the contributor to start from.  One of the best ways to ask for help is by providing what you have so far and letting a mentor...

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    Search Git Commits Between Dates

    One of my weaknesses as a developer is relying on UIs to provide me the data I need.  It's not a fatal weakness but it does hamper me a bit.  One prime example is relying on GitHub's interface to review changes; git's command line provides the...

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    Reset File Changes with git

    There are many different philosophies when it comes to code review but mine is fairly simple:  I like receiving early "work in progress" patches, I like to be positive in my code review messages, and if a patch is 90% there, I like to finish the...

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    Set a Default Push Remote with git

    During my early days of git usage, my config allowed me to simply type git push instead of git push {origin} {branch_name} which I need to now.  Up until recently I needed to type out the long version...(I know)...which was incredibly annoying because I like using detailed branch...

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    How to Delete a git Remote Branch

    Keeping a tidy repository is important; not just a tidy codebase, but a tidy repository in as far as not having spare branches rotting around.  Generally the main repository doesn't keep multiple branches but sometimes you need to push to a main repository simply to get Travis...