[PATCH] Add --pickaxe-all to diff-* brothers.

When --pickaxe-all is given in addition to -S, pickaxe shows the
entire diffs contained in the changeset, not just the diffs for
the filepair that touched the sought-after string.  This is
useful to see the changes in context.

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/diff-files.c b/diff-files.c
index c9c914b..cf77219 100644
--- a/diff-files.c
+++ b/diff-files.c
@@ -14,6 +14,7 @@
 static int diff_setup_opt = 0;
 static int diff_score_opt = 0;
 static const char *pickaxe = NULL;
+static int pickaxe_opts = 0;
 static int silent = 0;
 
 static void show_unmerge(const char *path)
@@ -54,6 +55,8 @@
 			diff_setup_opt |= DIFF_SETUP_REVERSE;
 		else if (!strcmp(argv[1], "-S"))
 			pickaxe = argv[1] + 2;
+		else if (!strcmp(argv[1], "--pickaxe-all"))
+			pickaxe_opts = DIFF_PICKAXE_ALL;
 		else if (!strncmp(argv[1], "-M", 2)) {
 			diff_score_opt = diff_scoreopt_parse(argv[1]);
 			detect_rename = DIFF_DETECT_RENAME;
@@ -116,7 +119,7 @@
 	if (detect_rename)
 		diffcore_rename(detect_rename, diff_score_opt);
 	if (pickaxe)
-		diffcore_pickaxe(pickaxe);
+		diffcore_pickaxe(pickaxe, pickaxe_opts);
 	if (1 < argc)
 		diffcore_pathspec(argv + 1);
 	diff_flush(diff_output_format, 1);