trailer: put process_trailers() options into a struct

We already have two options and are about to add a few more.
To avoid having a huge number of boolean arguments, let's
convert to an options struct which can be passed in.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2017-08-10 14:03:58 -04:00 committed by Junio C Hamano
parent cf8899d285
commit 8abc89800c
3 changed files with 21 additions and 12 deletions

View File

@ -18,13 +18,12 @@ static const char * const git_interpret_trailers_usage[] = {
int cmd_interpret_trailers(int argc, const char **argv, const char *prefix)
{
int in_place = 0;
int trim_empty = 0;
struct process_trailer_options opts = PROCESS_TRAILER_OPTIONS_INIT;
struct string_list trailers = STRING_LIST_INIT_NODUP;
struct option options[] = {
OPT_BOOL(0, "in-place", &in_place, N_("edit files in place")),
OPT_BOOL(0, "trim-empty", &trim_empty, N_("trim empty trailers")),
OPT_BOOL(0, "in-place", &opts.in_place, N_("edit files in place")),
OPT_BOOL(0, "trim-empty", &opts.trim_empty, N_("trim empty trailers")),
OPT_STRING_LIST(0, "trailer", &trailers, N_("trailer"),
N_("trailer(s) to add")),
OPT_END()
@ -36,11 +35,11 @@ int cmd_interpret_trailers(int argc, const char **argv, const char *prefix)
if (argc) {
int i;
for (i = 0; i < argc; i++)
process_trailers(argv[i], in_place, trim_empty, &trailers);
process_trailers(argv[i], &opts, &trailers);
} else {
if (in_place)
if (opts.in_place)
die(_("no input file given for in-place editing"));
process_trailers(NULL, in_place, trim_empty, &trailers);
process_trailers(NULL, &opts, &trailers);
}
string_list_clear(&trailers, 0);

View File

@ -967,7 +967,9 @@ static FILE *create_in_place_tempfile(const char *file)
return outfile;
}
void process_trailers(const char *file, int in_place, int trim_empty, struct string_list *trailers)
void process_trailers(const char *file,
const struct process_trailer_options *opts,
struct string_list *trailers)
{
LIST_HEAD(head);
LIST_HEAD(arg_head);
@ -979,7 +981,7 @@ void process_trailers(const char *file, int in_place, int trim_empty, struct str
read_input_file(&sb, file);
if (in_place)
if (opts->in_place)
outfile = create_in_place_tempfile(file);
/* Print the lines before the trailers */
@ -989,14 +991,14 @@ void process_trailers(const char *file, int in_place, int trim_empty, struct str
process_trailers_lists(&head, &arg_head);
print_all(outfile, &head, trim_empty);
print_all(outfile, &head, opts->trim_empty);
free_all(&head);
/* Print the lines after the trailers as is */
fwrite(sb.buf + trailer_end, 1, sb.len - trailer_end, outfile);
if (in_place)
if (opts->in_place)
if (rename_tempfile(&trailers_tempfile, file))
die_errno(_("could not rename temporary file to %s"), file);

View File

@ -22,7 +22,15 @@ struct trailer_info {
size_t trailer_nr;
};
void process_trailers(const char *file, int in_place, int trim_empty,
struct process_trailer_options {
int in_place;
int trim_empty;
};
#define PROCESS_TRAILER_OPTIONS_INIT {0}
void process_trailers(const char *file,
const struct process_trailer_options *opts,
struct string_list *trailers);
void trailer_info_get(struct trailer_info *info, const char *str);