Richard Hansen wrote:
> On 2013-06-19 00:19, Ramkumar Ramachandra wrote:
>> Is master~3 a committish?  What about :/foomery?
> Yes; as documented, both of those are refs that point to a commit.

>From gitglossary(7):

    A 40-byte hex representation of a SHA-1 or a name that denotes a
    particular object. They may be stored in a file under $GIT_DIR/refs/
    directory, or in the $GIT_DIR/packed-refs file.

Do master~3 and :/foomery qualify as refs?

>> Look at the other forms in gitrevisions(7); master:quuxery,
>> master^{tree} are notable exceptions.
> gitrevisions(7) says that master:quuxery is a ref pointing to a blob or
> tree, so it is not a committish.  However, if quuxery is a submodule, I
> would expect master:quuxery to point to a commit object and thus be a
> committish.  So perhaps the <rev>:<path> description in gitrevisions(7)
> should be updated to accommodate submodules.

When quuxery is a submodule, master:quuxery refers to a commit object
that does not exist in the parent repository.  I don't know what we
gain by documenting a comittish you can't even `show`.
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