Stefan Beller <stefanbeller@xxxxxxxxxxxxxx> writes:
> This task emerged from b04ba2bb (parse-options: deprecate OPT_BOOLEAN,
> 2011-09-27).
>
> This commit introduces a change for the users, after this patch
> you can pass one of the config level flags multiple times:
> Before:
> $ git config --global --global --list
> error: only one config file at a time.
> usage: ...
>
> Afterwards this will work. This is due to the following check in the code:
> if (use_global_config + use_system_config + use_local_config +
> !!given_config_file + !!given_config_blob > 1) {
> error("only one config file at a time.");
> usage_with_options(builtin_config_usage, builtin_config_options);
> }
Of course, you could further lose that "at most one of them" logic
by using CMDMODE. That will involve updating the logic that
currently looks at these three variables to look at one enum that
can have 4 states (nothing specified, and one of these three
specified), which will be more involved change, but the resulting
code may become simpler (I didn't try---I am just speculating).
Thanks.
>
> With OPT_BOOL instead of OPT_BOOLEAN the variables use_global_config,
> use_system_config, use_local_config will only have the value 0 if the
> command line option was not passed or 1 no matter how often the
> respective command line option was passed.
>
> Signed-off-by: Stefan Beller <stefanbeller@xxxxxxxxxxxxxx>
> ---
> builtin/config.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/builtin/config.c b/builtin/config.c
> index da12fdb..4ab9e9a 100644
> --- a/builtin/config.c
> +++ b/builtin/config.c
> @@ -50,9 +50,9 @@ static int respect_includes = -1;
>
> static struct option builtin_config_options[] = {
> OPT_GROUP(N_("Config file location")),
> - OPT_BOOLEAN(0, "global", &use_global_config, N_("use global config file")),
> - OPT_BOOLEAN(0, "system", &use_system_config, N_("use system config file")),
> - OPT_BOOLEAN(0, "local", &use_local_config, N_("use repository config file")),
> + OPT_BOOL(0, "global", &use_global_config, N_("use global config file")),
> + OPT_BOOL(0, "system", &use_system_config, N_("use system config file")),
> + OPT_BOOL(0, "local", &use_local_config, N_("use repository config file")),
> OPT_STRING('f', "file", &given_config_file, N_("file"), N_("use given config file")),
> OPT_STRING(0, "blob", &given_config_blob, N_("blob-id"), N_("read config from given blob object")),
> OPT_GROUP(N_("Action")),
--
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