Ramkumar Ramachandra <artag...@gmail.com> writes:

> SZEDER Gábor wrote:
>> the one at the top because
>> of the reasons given in $gmane/226272
> Sorry about the delay: I went to sleep for a couple of days :P
>> the one at the bottom because
>> of the misleading commit message (__git_complete_file() always
>> completed refs first as part of the ref:file notation, so it worked
>> just fine except for the ref1...ref2 notation; the real reason for
>> calling __git_complete_revlist_file() for difftool is to make clear
>> that difftool takes ref1...ref2:file, too).
> How am I (or anyone else) supposed to know the "intended" meaning
> __git_complete_file()?

"git log -Gcomplete_file -p contrib/completion" found this one:

commit 1d66ec587e7d903afdf12a81718772a9eadc15a1
Author: SZEDER Gábor <sze...@ira.uka.de>
Date:   Thu Mar 10 19:12:29 2011 +0100

    bash: complete 'git diff ...branc<TAB>'
    While doing a final sanity check before merging a topic Bsomething, it
    is a good idea to review what damage Bsomething branch would make, by
        $ git diff ...Bsomething
    Unfortunately, our completion script for 'git diff' doesn't offer
    anything after '...'.  This is because 'git diff's completion function
    invokes __git_complete_file() for non-option arguments to complete the
    '<tree>:<path>' extended SHA-1 notation, but this helper function
    doesn't support refs after '...' or '..'.  Completion of refs after
    '...' or '..' is supported by the __git_complete_revlist() helper
    function, but that doesn't support '<tree>:<path>'.
    To support both '...<ref>' and '<tree>:<path>' notations for 'git
    diff', this patch, instead of adding yet another helper function,
    joins __git_complete_file() and __git_complete_revlist() into the new
    common function __git_complete_revlist_file().  The old helper
    functions __git_complete_file() and __git_complete_revlist() are
    changed to be a direct wrapper around the new
    __git_complete_revlist_file(), because they might be used in
    user-supplied completion scripts and we don't want to break them.
    This change will cause some wrong suggestions for other commands which
    use __git_complete_file() ('git diff' and friends) or
    __git_complete_revlist() ('git log' and friends), e.g. 'git diff
    ...master:Doc<TAB>' and 'git log master:Doc<TAB>' will complete the
    path to 'Documentation/', although neither commands make any sense.
    However, both of these were actively wrong to begin with as soon as
    the user entered the ':', so there is no real harm done.
    Suggested-by: Junio C Hamano <gits...@pobox.com>
    Signed-off-by: SZEDER Gábor <sze...@ira.uka.de>
    Signed-off-by: Junio C Hamano <gits...@pobox.com>

Now I do not recall suggesting it, and you (and I today after 2
years) may disagree with the rationale, but at least we can read
what was the "intended" meaning, I think.
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