X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=builtin-diff-index.c;fp=builtin-diff-index.c;h=1958580d82e54ab5a5b1e054263eab7264c4bcb2;hb=e8cc9cd98e2ecd7fd8bb03e725d470405c8e2b94;hp=0000000000000000000000000000000000000000;hpb=51ce34b9923d9b119ac53414584f80e05520abea;p=git.git

diff --git a/builtin-diff-index.c b/builtin-diff-index.c
new file mode 100644
index 00000000..1958580d
--- /dev/null
+++ b/builtin-diff-index.c
@@ -0,0 +1,39 @@
+#include "cache.h"
+#include "diff.h"
+#include "commit.h"
+#include "revision.h"
+#include "builtin.h"
+
+static const char diff_cache_usage[] =
+"git-diff-index [-m] [--cached] "
+"[<common diff options>] <tree-ish> [<path>...]"
+COMMON_DIFF_OPTIONS_HELP;
+
+int cmd_diff_index(int argc, const char **argv, char **envp)
+{
+	struct rev_info rev;
+	int cached = 0;
+	int i;
+
+	git_config(git_diff_config);
+	init_revisions(&rev);
+	rev.abbrev = 0;
+
+	argc = setup_revisions(argc, argv, &rev, NULL);
+	for (i = 1; i < argc; i++) {
+		const char *arg = argv[i];
+			
+		if (!strcmp(arg, "--cached"))
+			cached = 1;
+		else
+			usage(diff_cache_usage);
+	}
+	/*
+	 * Make sure there is one revision (i.e. pending object),
+	 * and there is no revision filtering parameters.
+	 */
+	if (!rev.pending_objects || rev.pending_objects->next ||
+	    rev.max_count != -1 || rev.min_age != -1 || rev.max_age != -1)
+		usage(diff_cache_usage);
+	return run_diff_index(&rev, cached);
+}