SZEDER G?bor <szeder@xxxxxxxxxx> wrote:
> The bash completion script already provides support to complete
> aliases, options and refs for aliases (if the alias can be traced back
> to a supported git command by __git_aliased_command()), and the user's
> custom git commands, but it does not support the options of the user's
> custom git commands (of course; how could it know about the options of
> a custom git command?). Users of such custom git commands could
> extend git's bash completion script by writing functions to support
> their commands, but they might have issues with it: they might not
> have the rights to modify a system-wide git completion script, and
> they will need to track and merge upstream changes in the future.
>
> This patch addresses this by providing means for users to supply
> custom completion scriplets for their custom git commands without
> modifying the main git bash completion script.
>
> Instead of having a huge hard-coded list of command-completion
> function pairs (in _git()), the completion script will figure out
> which completion function to call based on the command's name. That
> is, when completing the options of 'git foo', the main completion
> script will check whether the function '_git_foo' is declared, and if
> declared, it will invoke that function to perform the completion. If
> such a function is not declared, it will fall back to complete file
> names. So, users will only need to provide this '_git_foo' completion
> function in a separate file, source that file, and it will be used the
> next time they press TAB after 'git foo '.
>
> There are two git commands (stage and whatchanged), for which the
> completion functions of other commands were used, therefore they
> got their own completion function.
>
> Signed-off-by: SZEDER G?bor <szeder@xxxxxxxxxx>
> ---
>
> How about something like this for subcommands (not aliases)? It's a
> good code size reduction anyway.
Hmm, I like this. I just didn't know how to implement it... :-)
Acked-by: Shawn O. Pearce <spearce@xxxxxxxxxxx>
> + local completion_func="_git_${command//-/_}"
> + declare -F $completion_func >/dev/null && $completion_func
Yay for knowing bash. :-)
--
Shawn.
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