Karthik Nayak <karthik....@gmail.com> writes:
> +int parse_opt_merge_filter(const struct option *opt, const char *arg, int
> unset)
> +{
> + struct ref_filter *rf = opt->value;
> + unsigned char sha1[20];
> +
> + rf->merge = opt->long_name[0] == 'n'
> + ? REF_FILTER_MERGED_OMIT
> + : REF_FILTER_MERGED_INCLUDE;
> +
> + if (!arg)
> + arg = "HEAD";
> + if (get_sha1(arg, sha1))
> + die(_("malformed object name %s"), arg);
> +
> + rf->merge_commit = lookup_commit_reference_gently(sha1, 0);
> + if (!rf->merge_commit)
> + return opterror(opt, "must point to a commit", 0);
> +
> + return 0;
> +}
Again, this smells too specific to live as a part of parse-options
infrastructure. If we want to have two helper callbacks, one that
gives the results in an sha1-array (because there is no guarantee
that you want only commits) and in a commit-list, I am fine with
having parse_opt_object_name() and parse_opt_with_commit(). Perhaps
rename the latter which was named too specifically to something more
sensible (e.g. parse_opt_commit_object_name()) and use it from the
caller you wanted to use parse_opt_merge_filter()? The caller, if
it is not prepared to see more than one commits specified, may have
to check if (!list || !list->next) { die("I want one and only one") }
or something, though.
Having it in ref-filter.h as parse_opt_merge_filter() is fine,
though. After all, you would be sharing it with for-each-ref,
branch and tag and nobody else anyway.
> diff --git a/parse-options.h b/parse-options.h
> index 3ae16a1..7bcf0f3 100644
> --- a/parse-options.h
> +++ b/parse-options.h
> @@ -221,6 +221,7 @@ extern int parse_opt_expiry_date_cb(const struct option
> *, const char *, int);
> extern int parse_opt_color_flag_cb(const struct option *, const char *, int);
> extern int parse_opt_verbosity_cb(const struct option *, const char *, int);
> extern int parse_opt_points_at(const struct option *, const char *, int);
> +extern int parse_opt_merge_filter(const struct option *, const char *, int);
> extern int parse_opt_with_commit(const struct option *, const char *, int);
> extern int parse_opt_tertiary(const struct option *, const char *, int);
> extern int parse_opt_string_list(const struct option *, const char *, int);
> @@ -243,5 +244,15 @@ extern int parse_opt_noop_cb(const struct option *,
> const char *, int);
> OPT_COLOR_FLAG(0, "color", (var), (h))
> #define OPT_COLUMN(s, l, v, h) \
> { OPTION_CALLBACK, (s), (l), (v), N_("style"), (h), PARSE_OPT_OPTARG,
> parseopt_column_callback }
> +#define OPT_NO_MERGED(filter, h) \
> + { OPTION_CALLBACK, 0, "no-merged", (filter), N_("commit"), (h), \
> + PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG, \
> + parse_opt_merge_filter, (intptr_t) "HEAD" \
> + }
> +#define OPT_MERGED(filter, h) \
> + { OPTION_CALLBACK, 0, "merged", (filter), N_("commit"), (h), \
> + PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG, \
> + parse_opt_merge_filter, (intptr_t) "HEAD" \
> + }
Likewise.
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