Documentation: describe the "repository" in repository-layout
Update the introductory part and concisely explain how gitfile is handled, what it is used for and for what effect. Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -12,12 +12,24 @@ $GIT_DIR/*
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DESCRIPTION
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-----------
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You may find these things in your Git repository (`.git`
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directory for a repository associated with your working tree, or
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`<project>.git` directory for a public 'bare' repository. It is
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also possible to have a working tree where `.git` is a plain
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ASCII file containing `gitdir: <path>`, i.e. the path to the
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real Git repository).
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A Git repository comes in two different flavours:
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* a `.git` directory at the root of the working tree;
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* a `<project>.git` directory that is a 'bare' repository
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(i.e. without its own working tree), that is typically used for
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exchanging histories with others by pushing into it and fetching
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from it.
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*Note*: Also you can have a plain text file `.git` at the root of
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your working tree, containing `gitdir: <path>` to point at the real
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directory that has the repository. This mechanism is often used for
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a working tree of a submodule checkout, to allow you in the
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containing superproject to `git checkout` a branch that does not
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have the submodule. The `checkout` has to remove the entire
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submodule working tree, without losing the submodule repository.
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These things may exist in a Git repository.
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objects::
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Object store associated with this repository. Usually
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