Can rprojroot handle separated git directories?

[karldw]

Git allows you to separate the .git folder from the project. For example:

git clone --separate-git-dir="$HOME/my_rprojroot.git" git@github.com:krlmlr/rprojroot.git

After running the command above, I have a .git file in the cloned rprojroot directory, which rprojroot doesn't recognize as a project criterion.

Could rprojroot handle separated git directories? One option would be changing the code to:

is_git_root <- has_dir(".git") | has_file(".git", contents = "^gitdir: ")

If that sounds good, I can pull together a PR.

[krlmlr]

Thanks, a PR would be great. In which lines of the .git file can the gitdir string appear?

[karldw]

I think it's always created as a one-line file, but I'm not positive. (Here's the source.)

.git can also be a symbolic link to a file or directory, but file.exists, readLines and dir.exists already follow symbolic links, so that should be fine.
(has_file(contents = ...) eventually calls to readLines.)

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