I had it happened a couple of times now that Mercurial on Windows would give me this error:

skipping unreadable pattern file ‘D:\Documents\Programming\YourProject\’: No such file or directory

This message is strange because the path actually exits.

After some searching I found the solution in the Mercurial bug tracker:

Bug 5325 – “skipping unreadable pattern file” by empty ui.ignore

The title already suggests the solution. There’s an empty ignore= entry in the global mercurial.ini file.

Removing this entry solves the problem.

The file is located here:

C:\Users\<YourUserName>\mercurial.ini

Note: It seems this “problem” is caused by SourceTree.

In Mercurial, to update a branch to be identical to another branch (without closing and reopening the branch), use this command:

$ hg revert --all --rev <branchname>

This will just change the files in your working copy. You can review the changes afterwards and commit them as needed.

I’ve been working for quite some time now with Subversion but recently fell in love with Mercurial. Mercurial (like GIT or Bazaar) is a distributed version control system (DVCS). Coming from Subversion, it’s sometimes necessary to convert an existing Subversion repository to Mercurial. And that’s what this post is about.

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Different IDEs create different project files. Now the question is:

Which project files should I check into my VCS and which not?

This is what this article is about.

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