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| | #include "builtin.h"
#include "parse-options.h"
#include "config.h"
#include "commit.h"
static const char * const ahead_behind_usage[] = {
N_("git ahead-behind --base=<ref> [ --stdin | <revs> ]"),
NULL
};
static int handle_arg(struct string_list *tips, const char *arg)
{
struct string_list_item *item;
struct commit *c = lookup_commit_reference_by_name(arg);
if (!c)
return error(_("could not resolve '%s'"), arg);
item = string_list_append(tips, arg);
item->util = c;
return 0;
}
int cmd_ahead_behind(int argc, const char **argv, const char *prefix)
{
const char *base_ref = NULL;
int from_stdin = 0;
struct string_list tips = STRING_LIST_INIT_DUP;
struct option ahead_behind_opts[] = {
OPT_STRING('b', "base", &base_ref, N_("base"), N_("base reference to process")),
OPT_BOOL(0 , "stdin", &from_stdin, N_("read rev names from stdin")),
OPT_END()
};
argc = parse_options(argc, argv, NULL, ahead_behind_opts,
ahead_behind_usage, PARSE_OPT_KEEP_UNKNOWN_OPT);
if (!base_ref)
usage_with_options(ahead_behind_usage, ahead_behind_opts);
git_config(git_default_config, NULL);
if (from_stdin) {
struct strbuf line = STRBUF_INIT;
while (strbuf_getline(&line, stdin) != EOF) {
if (!line.len)
break;
if (handle_arg(&tips, line.buf))
return 1;
}
strbuf_release(&line);
} else {
int i;
for (i = 0; i < argc; ++i) {
if (handle_arg(&tips, argv[i]))
return 1;
}
}
/* Early return for no tips. */
if (!tips.nr)
return 0;
return 0;
}
|