Teach --text option to diff

Add new item text to struct diff_options.
If set then do not try to detect binary files.

Signed-off-by: Stephan Feder <sf@b-i-t.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/diff.c b/diff.c
index f0450a8b0bcefc336b6aa5e3d5122c1a3a39b1a4..1f0219dbe40e6c750766d8c7694af47fbdc854d2 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -723,7 +723,7 @@ static void builtin_diff(const char *name_a,
        if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0)
                die("unable to read files to diff");
 
-       if (mmfile_is_binary(&mf1) || mmfile_is_binary(&mf2)) {
+       if (!o->text && (mmfile_is_binary(&mf1) || mmfile_is_binary(&mf2))) {
                /* Quite common confusing case */
                if (mf1.size == mf2.size &&
                    !memcmp(mf1.ptr, mf2.ptr, mf1.size))
@@ -1561,6 +1561,9 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
                options->output_format |= DIFF_FORMAT_PATCH;
                options->full_index = options->binary = 1;
        }
+       else if (!strcmp(arg, "--text")) {
+               options->text = 1;
+       }
        else if (!strcmp(arg, "--name-only"))
                options->output_format |= DIFF_FORMAT_NAME;
        else if (!strcmp(arg, "--name-status"))

diff --git a/diff.h b/diff.h
index d5573947b3295a00258cec2cb07905da5a5b8292..f80f64608ace15a212f22f40cc44192376f7b8da 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -42,6 +42,7 @@ struct diff_options {
        unsigned recursive:1,
                 tree_in_recursive:1,
                 binary:1,
+                text:1,
                 full_index:1,
                 silent_on_remove:1,
                 find_copies_harder:1,