1 #ifndef RANGE_DIFF_H
2 #define RANGE_DIFF_H
3 
4 #include "diff.h"
5 #include "strvec.h"
6 
7 #define RANGE_DIFF_CREATION_FACTOR_DEFAULT 60
8 
9 struct range_diff_options {
10 	int creation_factor;
11 	unsigned dual_color:1;
12 	unsigned left_only:1, right_only:1;
13 	const struct diff_options *diffopt; /* may be NULL */
14 	const struct strvec *other_arg; /* may be NULL */
15 };
16 
17 /*
18  * Compare series of commits in `range1` and `range2`, and emit to the
19  * standard output.
20  */
21 int show_range_diff(const char *range1, const char *range2,
22 		    struct range_diff_options *opts);
23 
24 /*
25  * Determine whether the given argument is usable as a range argument of `git
26  * range-diff`, e.g. A..B.
27  */
28 int is_range_diff_range(const char *arg);
29 
30 #endif
31