Re: [PATCH v2 2/5] pull: make code more similar to the shell script again

[Junio C Hamano <gitster@pobox.com>]

Johannes Schindelin <johannes.schindelin@gmx.de> writes:

> When converting the pull command to a builtin, the
> require_clean_work_tree() function was renamed and the pull-specific
> parts hard-coded.
>
> This makes it impossible to reuse the code, so let's modify the code to
> make it more similar to the original shell script again.
>
> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
> ---
>  builtin/pull.c | 29 +++++++++++++++++++----------
>  1 file changed, 19 insertions(+), 10 deletions(-)
>
> diff --git a/builtin/pull.c b/builtin/pull.c
> index d4bd635..a3ed054 100644
> --- a/builtin/pull.c
> +++ b/builtin/pull.c
> @@ -365,10 +365,11 @@ static int has_uncommitted_changes(void)
>   * If the work tree has unstaged or uncommitted changes, dies with the
>   * appropriate message.
>   */
> -static void die_on_unclean_work_tree(void)
> +static int require_clean_work_tree(const char *action, const char *hint,
> +		int gently)
>  {
>  	struct lock_file *lock_file = xcalloc(1, sizeof(*lock_file));
> -	int do_die = 0;
> +	int err = 0;
>  
>  	hold_locked_index(lock_file, 0);
>  	refresh_cache(REFRESH_QUIET);
> @@ -376,20 +377,27 @@ static void die_on_unclean_work_tree(void)
>  	rollback_lock_file(lock_file);
>  
>  	if (has_unstaged_changes()) {
> -		error(_("Cannot pull with rebase: You have unstaged changes."));
> -		do_die = 1;
> +		error(_("Cannot %s: You have unstaged changes."), _(action));
> +		err = 1;
>  	}
> ...
> +			error(_("Cannot %s: Your index contains uncommitted changes."),
> +			      _(action));
> +		err = 1;

These are much better than the one in v1.

Depending on the target language, the translators may have to phrase
these not like "Cannot <verb>:" but "Cannot perform <noun>:" where
the "<noun>" is for "the act of doing <verb>", if the "cannot" part
in their language needs to change shape depending on the verb.
Hence, I think the translators need a /* TRANSLATORS: ... */ comment
that tells them what is interpolated here are their translations for
phrases like "pull with rebase".  You do not have to be exhausitive
in the comment; a representative example would help the translators
see the message in context.

Other than that (and the need to further clean-up error() and die()
to begin with lower-case to match the modern practice in a separate
follow-up series), this looks ready to be queued.

Thanks.