Hi,
On Tue, Nov 13, 2012 at 03:12:44PM -0500, Marc Khouzam wrote:
> >> +if [ -n "$1" ] ; then
> >> + # If there is an argument, we know the script is being executed
> >> + # so go ahead and run the _git_complete_with_output function
> >> + _git_complete_with_output "$1" "$2"
> >
> > Where does the second argument come from? Below you run this script
> > as '${__git_tcsh_completion_script} "${COMMAND_LINE}"', i.e. $2 is
> > never set. Am I missing something?
>
> This second argument is optional and, if present, will be put in
> $COMP_CWORD. If not present, $COMP_CWORD must be computed
> from $1. Also see comment above _git_complete_with_output ().
> tcsh does not provide me with this information, so I cannot make use of it.
> However, I thought it would be more future-proof to allow it for other shells
> which may have that information.
>
> It is not necessary for tcsh, so I can remove if you prefer?
I see. I read those comments and understood what it is about. I was
just surprised that the code is there to make use of it, yet it's not
specified when invoking that function.
Since it's a trivial piece of code, I would say let's keep it. Could
you please add a sentence about it (that it's for possible future
users and it's not used at the moment) to the commit message for
future reference?
> >> +complete git 'p/*/`${__git_tcsh_completion_script} "${COMMAND_LINE}"
> >> | sort | uniq`/'
> >> +complete gitk 'p/*/`${__git_tcsh_completion_script} "${COMMAND_LINE}"
> >> | sort | uniq`/'
> >
> > Is the 'sort | uniq' really necessary? After the completion function
> > returns Bash automatically sorts the elements in COMPREPLY and removes
> > any duplicates. Doesn't tcsh do the same? I have no idea about tcsh
> > completion.
>
> On my machine, tcsh does not remove duplicates. It does sort the results
> but that is done after I've run 'uniq', which is too late. I'm not
> happy about this
> either, but the other option is to improve git-completion.bash to
> avoid duplicates,
> which seemed less justified.
Ok. Then keep it for the time being, and we'll see what we can do to
avoid those duplicates.
> > Does the git completion script returns any duplicates at all?
>
> It does. 'help' is returned twice for example.
Right. Now that you mentioned it, I remember I noticed it a while
ago, too. I even wrote a patch to fix it, but not sure what became of
it. Will try to dig it up.
> Also, when completing 'git checkout ' in the git repo, I can see multiple
> 'todo' branches, as well as 'master', 'pu', 'next', etc.
>
> You can actually try it without tcsh by running my proposed version of
> git-completion.bash like this:
>
> cd git/contrib/completion
> bash git-completion.bash "git checkout " | sort | uniq --repeated
Interesting, I can't reproduce. Are the duplicates also there, if you
start a bash, source git-completion.bash, and run __git_refs ?
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