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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.
Hg repositories live in the same directory with the files. Unlike Subversion, Perforce, and TFS, there is no separate repository directory. Like Git, this makes it possible for you to backup the entire directory, say, with zip and not only back up your files, but also back up all the version control metadata in a single place. So first, let's create the directory. I'll call it hg1, then we'll CD to hg1, and we'll do hg init.
Like Git, Hg stores all of its metadata in a hidden directory here called .hg. If we run hg status, unlike Git, we don't see any message because there's nothing going in our repository. If you haven't properly initialized the repository and you ran hg status, you we'll get an error message telling you that no repository was found. Since we got just a blank response, we know we're all good to go. Let's move on to creating some files and checking in and checking out.
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