On Sat, Mar 19, 2016 at 07:23:10PM +0100, Laurent Arnoud wrote:
> The tag.gpgsign config option allows to sign all
> commits automatically.
We have commit.gpgsign, so this makes some sense. Would you want to sign
_all_ tags created with "git tag", including lightweight tags, or only
those that would already create a tag object (i.e., annotated tags)?
> diff --git a/builtin/tag.c b/builtin/tag.c
> index 1705c94..53cad28 100644
> --- a/builtin/tag.c
> +++ b/builtin/tag.c
> @@ -29,6 +29,7 @@ static const char * const git_tag_usage[] = {
> };
>
> static unsigned int colopts;
> +static const char *sign_tag;
>
> static int list_tags(struct ref_filter *filter, struct ref_sorting *sorting,
> const char *format)
> {
> @@ -166,6 +167,11 @@ static int git_tag_config(const char *var, const char
> *value, void *cb)
> status = git_gpg_config(var, value, cb);
> if (status)
> return status;
> + if (!strcmp(var, "tag.gpgsign")) {
> + sign_tag = git_config_bool(var, value) ? "" : NULL;
> + return 0;
> + }
Why is "sign_tag" a pointer, and not simply an "int"?
If it is just representing the config, should it perhaps be given a more
specific name, like "sign_tag_config"?
> @@ -381,14 +387,21 @@ int cmd_tag(int argc, const char **argv, const char
> *prefix)
>
> argc = parse_options(argc, argv, prefix, options, git_tag_usage, 0);
>
> + if (argc == 0 && !cmdmode)
> + cmdmode = 'l';
> +
> + /* Remove config option when calling command other than create tag */
> + if (cmdmode != 0 && sign_tag)
> + sign_tag = NULL;
> +
Perhaps rather than rearranging the setup of cmdmode in this function,
you can just use have a conditional that makes explicit when this config
option kicks in, like:
if (!cmdmode && sign_tag_config)
opt.sign = 1;
That seems easier to follow to me (and then we don't have to check
sign_tag_config later; it acts as if the user gave "-s"). Although...
> if (keyid) {
> opt.sign = 1;
> set_signing_key(keyid);
> }
> - if (opt.sign)
> + if (opt.sign || sign_tag) {
> + opt.sign = 1;
> annotate = 1;
> - if (argc == 0 && !cmdmode)
> - cmdmode = 'l';
> + }
>
> if ((annotate || msg.given || msgfile || force) && (cmdmode != 0))
> usage_with_options(git_tag_usage, options);
How do I disable tag.gpgsign if I want an unsigned tag? I should be able
to do:
git config tag.gpgsign true
git tag --no-sign foo
but I don't think that works with your patch. You'd need to tweak the
handling of opt.sign to be able to tell the difference between
"--no-sign was given" and "there was no signing-related option given",
and only kick in the config in the latter case.
-Peff
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