X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=diff-files.c;h=6c0696c34f0af95acbfe06f644f7df7fb1e93509;hb=ee34518d629331dadd58b1a75294369d679eda8b;hp=8a8f9b6dc77683bd7926f8599a2aa6eb03023b57;hpb=d06b689a933f6d2130f8afdf1ac0ddb83eeb59ab;p=git.git

diff --git a/diff-files.c b/diff-files.c
index 8a8f9b6d..6c0696c3 100644
--- a/diff-files.c
+++ b/diff-files.c
@@ -7,12 +7,12 @@
 #include "diff.h"
 
 static const char diff_files_usage[] =
-"git-diff-files [-q] "
-"[<common diff options>] [<path>...]"
+"git-diff-files [-q] [-0/-1/2/3] [<common diff options>] [<path>...]"
 COMMON_DIFF_OPTIONS_HELP;
 
 static struct diff_options diff_options;
 static int silent = 0;
+static int diff_unmerged_stage = 2;
 
 static void show_unmerge(const char *path)
 {
@@ -38,10 +38,29 @@ int main(int argc, const char **argv)
 	const char *prefix = setup_git_directory();
 	int entries, i;
 
-	git_config(git_default_config);
+	git_config(git_diff_config);
 	diff_setup(&diff_options);
 	while (1 < argc && argv[1][0] == '-') {
-		if (!strcmp(argv[1], "-q"))
+		if (!strcmp(argv[1], "--")) {
+			argv++;
+			argc--;
+			break;
+		}
+		if (!strcmp(argv[1], "-0"))
+			diff_unmerged_stage = 0;
+		else if (!strcmp(argv[1], "-1"))
+			diff_unmerged_stage = 1;
+		else if (!strcmp(argv[1], "-2"))
+			diff_unmerged_stage = 2;
+		else if (!strcmp(argv[1], "-3"))
+			diff_unmerged_stage = 3;
+		else if (!strcmp(argv[1], "--base"))
+			diff_unmerged_stage = 1;
+		else if (!strcmp(argv[1], "--ours"))
+			diff_unmerged_stage = 2;
+		else if (!strcmp(argv[1], "--theirs"))
+			diff_unmerged_stage = 3;
+		else if (!strcmp(argv[1], "-q"))
 			silent = 1;
 		else if (!strcmp(argv[1], "-r"))
 			; /* no-op */
@@ -90,11 +109,26 @@ int main(int argc, const char **argv)
 
 		if (ce_stage(ce)) {
 			show_unmerge(ce->name);
-			while (i < entries &&
-			       !strcmp(ce->name, active_cache[i]->name))
+			while (i < entries) {
+				struct cache_entry *nce = active_cache[i];
+
+				if (strcmp(ce->name, nce->name))
+					break;
+				/* diff against the proper unmerged stage */
+				if (ce_stage(nce) == diff_unmerged_stage)
+					ce = nce;
 				i++;
-			i--; /* compensate for loop control increments */
-			continue;
+			}
+			/*
+			 * Compensate for loop update
+			 */
+			i--;
+			/*
+			 * Show the diff for the 'ce' if we found the one
+			 * from the desired stage.
+			 */
+			if (ce_stage(ce) != diff_unmerged_stage)
+				continue;
 		}
 
 		if (lstat(ce->name, &st) < 0) {