#include "commit.h"
#include "color.h"
#include "string-list.h"
+#include "argv-array.h"
#include "sha1-array.h"
/*----- some often used options -----*/
return 0;
}
-int parse_opt_with_commit(const struct option *opt, const char *arg, int unset)
+int parse_opt_commits(const struct option *opt, const char *arg, int unset)
{
unsigned char sha1[20];
struct commit *commit;
return 0;
}
-int parse_options_concat(struct option *dst, size_t dst_size, struct option *src)
+struct option *parse_options_concat(struct option *a, struct option *b)
{
- int i, j;
-
- for (i = 0; i < dst_size; i++)
- if (dst[i].type == OPTION_END)
- break;
- for (j = 0; i < dst_size; i++, j++) {
- dst[i] = src[j];
- if (src[j].type == OPTION_END)
- return 0;
- }
- return -1;
+ struct option *ret;
+ size_t i, a_len = 0, b_len = 0;
+
+ for (i = 0; a[i].type != OPTION_END; i++)
+ a_len++;
+ for (i = 0; b[i].type != OPTION_END; i++)
+ b_len++;
+
+ ALLOC_ARRAY(ret, st_add3(a_len, b_len, 1));
+ for (i = 0; i < a_len; i++)
+ ret[i] = a[i];
+ for (i = 0; i < b_len; i++)
+ ret[a_len + i] = b[i];
+ ret[a_len + b_len] = b[b_len]; /* final OPTION_END */
+
+ return ret;
}
int parse_opt_string_list(const struct option *opt, const char *arg, int unset)
if (!arg)
return -1;
- string_list_append(v, xstrdup(arg));
+ string_list_append(v, arg);
return 0;
}
{
return 0;
}
+
+/**
+ * Report that the option is unknown, so that other code can handle
+ * it. This can be used as a callback together with
+ * OPTION_LOWLEVEL_CALLBACK to allow an option to be documented in the
+ * "-h" output even if it's not being handled directly by
+ * parse_options().
+ */
+int parse_opt_unknown_cb(const struct option *opt, const char *arg, int unset)
+{
+ return -2;
+}
+
+/**
+ * Recreates the command-line option in the strbuf.
+ */
+static int recreate_opt(struct strbuf *sb, const struct option *opt,
+ const char *arg, int unset)
+{
+ strbuf_reset(sb);
+
+ if (opt->long_name) {
+ strbuf_addstr(sb, unset ? "--no-" : "--");
+ strbuf_addstr(sb, opt->long_name);
+ if (arg) {
+ strbuf_addch(sb, '=');
+ strbuf_addstr(sb, arg);
+ }
+ } else if (opt->short_name && !unset) {
+ strbuf_addch(sb, '-');
+ strbuf_addch(sb, opt->short_name);
+ if (arg)
+ strbuf_addstr(sb, arg);
+ } else
+ return -1;
+
+ return 0;
+}
+
+/**
+ * For an option opt, recreates the command-line option in opt->value which
+ * must be an char* initialized to NULL. This is useful when we need to pass
+ * the command-line option to another command. Since any previous value will be
+ * overwritten, this callback should only be used for options where the last
+ * one wins.
+ */
+int parse_opt_passthru(const struct option *opt, const char *arg, int unset)
+{
+ static struct strbuf sb = STRBUF_INIT;
+ char **opt_value = opt->value;
+
+ if (recreate_opt(&sb, opt, arg, unset) < 0)
+ return -1;
+
+ free(*opt_value);
+
+ *opt_value = strbuf_detach(&sb, NULL);
+
+ return 0;
+}
+
+/**
+ * For an option opt, recreate the command-line option, appending it to
+ * opt->value which must be a argv_array. This is useful when we need to pass
+ * the command-line option, which can be specified multiple times, to another
+ * command.
+ */
+int parse_opt_passthru_argv(const struct option *opt, const char *arg, int unset)
+{
+ static struct strbuf sb = STRBUF_INIT;
+ struct argv_array *opt_value = opt->value;
+
+ if (recreate_opt(&sb, opt, arg, unset) < 0)
+ return -1;
+
+ argv_array_push(opt_value, sb.buf);
+
+ return 0;
+}