Understanding renaming/moving files with git

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Source code files are living things. We add new ones and change their content on daily basis. Occasionally we delete them, too. Git is amazingly efficient when it comes to tracking these kinds of changes.

However, sometimes we need to change the file name, or file path, or both. And if you are an AL developer who has ever transformed a C/AL project into AL, you have probably done this at least once, for all .al files in the project.

And this is where git may surprise you. After you rename a file, sometimes you’ll notice that git detects it as a rename. But on other occasions it will not be the case.

Let’s dive in.

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C/AL internals: Some more invalid object states

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If you have followed the posts about how C/AL really executes in NAV, you know that C# and C/AL can sometimes be in a state where C/AL compiles, but C# does not, causing you some headaches during run time.

However, what might not be obvious is that there are situations where C/AL does not compile anymore (typically due to a changed dependency signature, or due to an object that went AWOL) but C# not only compiles, but also happily runs as if nothing is wrong in the first place.

These situations can be confusing, and after having read my original post, my friend Heinz has pointed out to those situations and asked me if I can explain them. So, here it goes.

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