So, I find this behaviour a little strange; I can't determine if it's
a subtle bug, or intentionally undefined/‘fuzzy’ behaviour:
$ cd a-repo/.git/
$ pwd
/path/to/a-repo/.git
$ git rev-parse --is-inside-work-tree
false
$ export GIT_WORK_TREE=/path/to/a-repo
$ git rev-parse --is-inside-work-tree
true
i.e. when within the repository (the `.git` directory), and when that
directory is a sub-directory of the working-tree, `rev-parse
--is-inside-work-tree` reports *false* (reasonable enough, I suppose);
but then if `$GIT_WORK_TREE` is set to precisely the directory that
git was *already* assuming was the working-directory, then the same
command, in the same location, reports *true*.
This should probably be made consistent: either `rev-parse
--is-inside-work-tree` should report “true”, even inside the `.git`
dir, as long as that directory is a sub-directory of the working-tree
… or repository-directories / `$GIT_DIR` / `.git` directories should
be excluded from truthy responses to `rev-parse
--is-inside-work-tree`.
⁓ ELLIOTTCABLE — fly safe.
http://ell.io/tt
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