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ref-filter: use pretty.c logic for trailers

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Now, ref-filter is using pretty.c logic for setting trailer options.

New to ref-filter:
  :key=<K> - only show trailers with specified key.
  :valueonly[=val] - only show the value part.
  :separator=<SEP> - inserted between trailer lines.
  :key_value_separator=<SEP> - inserted between key and value in trailer lines

Enhancement to existing options(now can take value and its optional):
  :only[=val]
  :unfold[=val]

'val' can be: true, on, yes or false, off, no.

Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Mentored-by: Heba Waly <heba.waly@gmail.com>
Signed-off-by: Hariom Verma <hariom18599@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Hariom Verma
2021-02-13 01:52:43 +00:00
committed by Junio C Hamano
parent 636a0aeedf
commit ee82a487f6
3 changed files with 118 additions and 21 deletions
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36
ref-filter.c
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@ -67,6 +67,12 @@ struct refname_atom {
int lstrip, rstrip;
};
static struct ref_trailer_buf {
struct string_list filter_list;
struct strbuf sepbuf;
struct strbuf kvsepbuf;
} ref_trailer_buf = {STRING_LIST_INIT_NODUP, STRBUF_INIT, STRBUF_INIT};
static struct expand_data {
struct object_id oid;
enum object_type type;
@ -313,28 +319,26 @@ static int subject_atom_parser(const struct ref_format *format, struct used_atom
static int trailers_atom_parser(const struct ref_format *format, struct used_atom *atom,
const char *arg, struct strbuf *err)
{
struct string_list params = STRING_LIST_INIT_DUP;
int i;
atom->u.contents.trailer_opts.no_divider = 1;
if (arg) {
string_list_split(&params, arg, ',', -1);
for (i = 0; i < params.nr; i++) {
const char *s = params.items[i].string;
if (!strcmp(s, "unfold"))
atom->u.contents.trailer_opts.unfold = 1;
else if (!strcmp(s, "only"))
atom->u.contents.trailer_opts.only_trailers = 1;
else {
strbuf_addf(err, _("unknown %%(trailers) argument: %s"), s);
string_list_clear(&params, 0);
return -1;
}
const char *argbuf = xstrfmt("%s)", arg);
char *invalid_arg = NULL;
if (format_set_trailers_options(&atom->u.contents.trailer_opts,
&ref_trailer_buf.filter_list,
&ref_trailer_buf.sepbuf,
&ref_trailer_buf.kvsepbuf,
&argbuf, &invalid_arg)) {
if (!invalid_arg)
strbuf_addf(err, _("expected %%(trailers:key=<value>)"));
else
strbuf_addf(err, _("unknown %%(trailers) argument: %s"), invalid_arg);
free((char *)invalid_arg);
return -1;
}
}
atom->u.contents.option = C_TRAILERS;
string_list_clear(&params, 0);
return 0;
}