pack-redundant.c: learn about index v2

diff --git a/diff.c b/diff.c
index 9e276e5848525920cf145626fbb068eb7ae241d8..fbb79d70a93dd0c6c46a1d24505e55f737d44189 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -811,7 +811,12 @@ static void show_stats(struct diffstat_t* data, struct diff_options *options)
 
                if (data->files[i]->is_binary) {
                        show_name(prefix, name, len, reset, set);
-                       printf("  Bin\n");
+                       printf("  Bin ");
+                       printf("%s%d%s", del_c, deleted, reset);
+                       printf(" -> ");
+                       printf("%s%d%s", add_c, added, reset);
+                       printf(" bytes");
+                       printf("\n");
                        goto free_diffstat_file;
                }
                else if (data->files[i]->is_unmerged) {
@@ -1185,9 +1190,11 @@ static void builtin_diffstat(const char *name_a, const char *name_b,
        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 (mmfile_is_binary(&mf1) || mmfile_is_binary(&mf2)) {
                data->is_binary = 1;
-       else {
+               data->added = mf2.size;
+               data->deleted = mf1.size;
+       } else {
                /* Crazy xdl interfaces.. */
                xpparam_t xpp;
                xdemitconf_t xecfg;
@@ -1428,7 +1435,7 @@ int diff_populate_filespec(struct diff_filespec *s, int size_only)
                                return err;
                        }
                }
-               s->size = st.st_size;
+               s->size = xsize_t(st.st_size);
                if (!s->size)
                        goto empty;
                if (size_only)
@@ -1544,12 +1551,13 @@ static void prepare_temp_file(const char *name,
                if (S_ISLNK(st.st_mode)) {
                        int ret;
                        char buf[PATH_MAX + 1]; /* ought to be SYMLINK_MAX */
+                       size_t sz = xsize_t(st.st_size);
                        if (sizeof(buf) <= st.st_size)
                                die("symlink too long: %s", name);
-                       ret = readlink(name, buf, st.st_size);
+                       ret = readlink(name, buf, sz);
                        if (ret < 0)
                                die("readlink(%s)", name);
-                       prep_temp_blob(temp, buf, st.st_size,
+                       prep_temp_blob(temp, buf, sz,
                                       (one->sha1_valid ?
                                        one->sha1 : null_sha1),
                                       (one->sha1_valid ?
@@ -1957,6 +1965,23 @@ int diff_setup_done(struct diff_options *options)
        if (options->abbrev <= 0 || 40 < options->abbrev)
                options->abbrev = 40; /* full */
 
+       /*
+        * It does not make sense to show the first hit we happened
+        * to have found.  It does not make sense not to return with
+        * exit code in such a case either.
+        */
+       if (options->quiet) {
+               options->output_format = DIFF_FORMAT_NO_OUTPUT;
+               options->exit_with_status = 1;
+       }
+
+       /*
+        * If we postprocess in diffcore, we cannot simply return
+        * upon the first hit.  We need to run diff as usual.
+        */
+       if (options->pickaxe || options->filter)
+               options->quiet = 0;
+
        return 0;
 }
 
@@ -2133,6 +2158,10 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
                options->color_diff = options->color_diff_words = 1;
        else if (!strcmp(arg, "--no-renames"))
                options->detect_rename = 0;
+       else if (!strcmp(arg, "--exit-code"))
+               options->exit_with_status = 1;
+       else if (!strcmp(arg, "--quiet"))
+               options->quiet = 1;
        else
                return 0;
        return 1;
@@ -2171,7 +2200,7 @@ static int parse_num(const char **cp_p)
        /* user says num divided by scale and we say internally that
         * is MAX_SCORE * num / scale.
         */
-       return (num >= scale) ? MAX_SCORE : (MAX_SCORE * num / scale);
+       return (int)((num >= scale) ? MAX_SCORE : (MAX_SCORE * num / scale));
 }
 
 int diff_scoreopt_parse(const char *opt)
@@ -2897,6 +2926,8 @@ static void diffcore_apply_filter(const char *filter)
 
 void diffcore_std(struct diff_options *options)
 {
+       if (options->quiet)
+               return;
        if (options->break_opt != -1)
                diffcore_break(options->break_opt);
        if (options->detect_rename)
@@ -2909,18 +2940,11 @@ void diffcore_std(struct diff_options *options)
                diffcore_order(options->orderfile);
        diff_resolve_rename_copy();
        diffcore_apply_filter(options->filter);
-}
-
 
-void diffcore_std_no_resolve(struct diff_options *options)
-{
-       if (options->pickaxe)
-               diffcore_pickaxe(options->pickaxe, options->pickaxe_opts);
-       if (options->orderfile)
-               diffcore_order(options->orderfile);
-       diffcore_apply_filter(options->filter);
+       options->has_changes = !!diff_queued_diff.nr;
 }
 
+
 void diff_addremove(struct diff_options *options,
                    int addremove, unsigned mode,
                    const unsigned char *sha1,
@@ -2956,6 +2980,7 @@ void diff_addremove(struct diff_options *options,
                fill_filespec(two, sha1, mode);
 
        diff_queue(&diff_queued_diff, one, two);
+       options->has_changes = 1;
 }
 
 void diff_change(struct diff_options *options,
@@ -2981,6 +3006,7 @@ void diff_change(struct diff_options *options,
        fill_filespec(two, new_sha1, new_mode);
 
        diff_queue(&diff_queued_diff, one, two);
+       options->has_changes = 1;
 }
 
 void diff_unmerge(struct diff_options *options,