Squashed 'third_party/git/' content from commit cb71568594

git-subtree-dir: third_party/git
git-subtree-split: cb715685942260375e1eb8153b0768a376e4ece7

range-diff.h

@@ -0,0 +1,17 @@
+#ifndef RANGE_DIFF_H
+#define RANGE_DIFF_H
+
+#include "diff.h"
+
+#define RANGE_DIFF_CREATION_FACTOR_DEFAULT 60
+
+/*
+ * Compare series of commmits in RANGE1 and RANGE2, and emit to the
+ * standard output.  NULL can be passed to DIFFOPT to use the built-in
+ * default.
+ */
+int show_range_diff(const char *range1, const char *range2,
+		    int creation_factor, int dual_color,
+		    struct diff_options *diffopt);
+
+#endif