#define RANGE_DIFF_CREATION_FACTOR_DEFAULT 60
+struct range_diff_options {
+ int creation_factor;
+ unsigned dual_color:1;
+ unsigned left_only:1, right_only:1;
+ const struct diff_options *diffopt; /* may be NULL */
+ const struct strvec *other_arg; /* may be NULL */
+};
+
/*
- * Compare series of commits in RANGE1 and RANGE2, and emit to the
- * standard output. NULL can be passed to DIFFOPT to use the built-in
- * default.
+ * Compare series of commits in `range1` and `range2`, and emit to the
+ * standard output.
*/
int show_range_diff(const char *range1, const char *range2,
- int creation_factor, int dual_color,
- const struct diff_options *diffopt,
- const struct strvec *other_arg);
+ struct range_diff_options *opts);
+
+/*
+ * Determine whether the given argument is usable as a range argument of `git
+ * range-diff`, e.g. A..B.
+ */
+int is_range_diff_range(const char *arg);
#endif