git-svn: support -C<num> passing to git-diff-tree

[git.git] / builtin-diff.c

diff --git a/builtin-diff.c b/builtin-diff.c
index 636edbf..27451d5 100644 (file)
--- a/builtin-diff.c
+++ b/builtin-diff.c
@@ -84,8 +84,7 @@ static void stuff_change(struct diff_options *opt,
 
        if (opt->reverse_diff) {
                unsigned tmp;
-               const
-                       const unsigned char *tmp_u;
+               const unsigned char *tmp_u;
                const char *tmp_c;
                tmp = old_mode; old_mode = new_mode; new_mode = tmp;
                tmp_u = old_sha1; old_sha1 = new_sha1; new_sha1 = tmp_u;
@@ -123,7 +122,7 @@ static int builtin_diff_b_f(struct rev_info *revs,
        stuff_change(&revs->diffopt,
                     canon_mode(st.st_mode), canon_mode(st.st_mode),
                     blob[0].sha1, null_sha1,
-                    blob[0].name, path);
+                    path, path);
        diffcore_std(&revs->diffopt);
        diff_flush(&revs->diffopt);
        return 0;
@@ -133,7 +132,9 @@ static int builtin_diff_blobs(struct rev_info *revs,
                              int argc, const char **argv,
                              struct blobinfo *blob)
 {
-       /* Blobs */
+       /* Blobs: the arguments are reversed when setup_revisions()
+        * picked them up.
+        */
        unsigned mode = canon_mode(S_IFREG | 0644);
 
        while (1 < argc) {
@@ -146,8 +147,8 @@ static int builtin_diff_blobs(struct rev_info *revs,
        }
        stuff_change(&revs->diffopt,
                     mode, mode,
-                    blob[0].sha1, blob[1].sha1,
-                    blob[1].name, blob[1].name);
+                    blob[1].sha1, blob[0].sha1,
+                    blob[0].name, blob[0].name);
        diffcore_std(&revs->diffopt);
        diff_flush(&revs->diffopt);
        return 0;
@@ -232,7 +233,7 @@ static int builtin_diff_combined(struct rev_info *revs,
        return 0;
 }
 
-static void add_head(struct rev_info *revs)
+void add_head(struct rev_info *revs)
 {
        unsigned char sha1[20];
        struct object *obj;