diff-index: make --cc a synonym for -p for now.

It could be made later to show unmerged state nicer than the
default as we did for diff-files later, but this would suffice
for now.  We would like to make --cc the default for 'git diff'.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/diff-index.c b/diff-index.c
index bbd873b..f8a102e 100644 (file)
--- a/diff-index.c
+++ b/diff-index.c
@@ -201,6 +201,14 @@ int main(int argc, const char **argv)
                        /* We accept the -r flag just to look like git-diff-tree */
                        continue;
                }
+               if (!strcmp(arg, "--cc"))
+                       /*
+                        * I _think_ "diff-index --cached HEAD" with an
+                        * unmerged index could show something else
+                        * later, but pretend --cc is the same as -p for
+                        * now.  "git diff" uses --cc by default.
+                        */
+                       argv[i] = arg = "-p";
                diff_opt_cnt = diff_opt_parse(&diff_options, argv + i,
                                              argc - i);
                if (diff_opt_cnt < 0)