test_cmp: do not use "diff -u" on platforms that lack one

diff --git a/revision.c b/revision.c
index 0471cd3f7ead19f1dbde87e610408d91e73e3949..b209d493e169ae58130a998f7dc1239f5a385c44 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -12,6 +12,7 @@
 #include "patch-ids.h"
 #include "decorate.h"
 #include "log-tree.h"
+#include "string-list.h"
 
 volatile show_early_output_fn_t show_early_output;
 
@@ -1191,9 +1192,29 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
        } else if (!strcmp(arg, "--show-notes")) {
                revs->show_notes = 1;
                revs->show_notes_given = 1;
+       } else if (!prefixcmp(arg, "--show-notes=")) {
+               struct strbuf buf = STRBUF_INIT;
+               revs->show_notes = 1;
+               revs->show_notes_given = 1;
+               if (!revs->notes_opt.extra_notes_refs)
+                       revs->notes_opt.extra_notes_refs = xcalloc(1, sizeof(struct string_list));
+               if (!prefixcmp(arg+13, "refs/"))
+                       /* happy */;
+               else if (!prefixcmp(arg+13, "notes/"))
+                       strbuf_addstr(&buf, "refs/");
+               else
+                       strbuf_addstr(&buf, "refs/notes/");
+               strbuf_addstr(&buf, arg+13);
+               string_list_append(strbuf_detach(&buf, NULL),
+                                  revs->notes_opt.extra_notes_refs);
        } else if (!strcmp(arg, "--no-notes")) {
                revs->show_notes = 0;
                revs->show_notes_given = 1;
+       } else if (!strcmp(arg, "--standard-notes")) {
+               revs->show_notes_given = 1;
+               revs->notes_opt.suppress_default_notes = 0;
+       } else if (!strcmp(arg, "--no-standard-notes")) {
+               revs->notes_opt.suppress_default_notes = 1;
        } else if (!strcmp(arg, "--oneline")) {
                revs->verbose_header = 1;
                get_commit_format("oneline", revs);
@@ -1760,7 +1781,7 @@ int prepare_revision_walk(struct rev_info *revs)
 enum rewrite_result {
        rewrite_one_ok,
        rewrite_one_noparents,
-       rewrite_one_error,
+       rewrite_one_error
 };
 
 static enum rewrite_result rewrite_one(struct rev_info *revs, struct commit **pp)