if (!arg) {
v = unset ? 0 : DEFAULT_ABBREV;
} else {
+ if (!*arg)
+ return error(_("option `%s' expects a numerical value"),
+ opt->long_name);
v = strtol(arg, (char **)&arg, 10);
if (*arg)
return error(_("option `%s' expects a numerical value"),
return 0;
}
+int parse_opt_commit(const struct option *opt, const char *arg, int unset)
+{
+ struct object_id oid;
+ struct commit *commit;
+ struct commit **target = opt->value;
+
+ if (!arg)
+ return -1;
+ if (get_oid(arg, &oid))
+ return error("malformed object name %s", arg);
+ commit = lookup_commit_reference(the_repository, &oid);
+ if (!commit)
+ return error("no such commit %s", arg);
+ *target = commit;
+ return 0;
+}
+
int parse_opt_object_name(const struct option *opt, const char *arg, int unset)
{
struct object_id oid;
return 0;
}
+int parse_opt_object_id(const struct option *opt, const char *arg, int unset)
+{
+ struct object_id oid;
+ struct object_id *target = opt->value;
+
+ if (unset) {
+ *target = null_oid;
+ return 0;
+ }
+ if (!arg)
+ return -1;
+ if (get_oid(arg, &oid))
+ return error(_("malformed object name '%s'"), arg);
+ *target = oid;
+ return 0;
+}
+
int parse_opt_tertiary(const struct option *opt, const char *arg, int unset)
{
int *target = opt->value;