Merge branch 'tb/print-size-t-with-uintmax-format'
[git/git.git] / builtin / cat-file.c
index 05decee..2ca56fd 100644 (file)
@@ -50,6 +50,13 @@ static int filter_object(const char *path, unsigned mode,
        return 0;
 }
 
+static int stream_blob(const struct object_id *oid)
+{
+       if (stream_blob_to_fd(1, oid, NULL, 0))
+               die("unable to stream %s to stdout", oid_to_hex(oid));
+       return 0;
+}
+
 static int cat_one_file(int opt, const char *exp_type, const char *obj_name,
                        int unknown_type)
 {
@@ -132,7 +139,7 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name,
                }
 
                if (type == OBJ_BLOB)
-                       return stream_blob_to_fd(1, &oid, NULL, 0);
+                       return stream_blob(&oid);
                buf = read_object_file(&oid, &type, &size);
                if (!buf)
                        die("Cannot read object %s", obj_name);
@@ -155,7 +162,7 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name,
                                oidcpy(&blob_oid, &oid);
 
                        if (oid_object_info(the_repository, &blob_oid, NULL) == OBJ_BLOB)
-                               return stream_blob_to_fd(1, &blob_oid, NULL, 0);
+                               return stream_blob(&blob_oid);
                        /*
                         * we attempted to dereference a tag to a blob
                         * and failed; there may be new dereference
@@ -319,8 +326,9 @@ static void print_object_or_die(struct batch_options *opt, struct expand_data *d
                                BUG("invalid cmdmode: %c", opt->cmdmode);
                        batch_write(opt, contents, size);
                        free(contents);
-               } else if (stream_blob_to_fd(1, oid, NULL, 0) < 0)
-                       die("unable to stream %s to stdout", oid_to_hex(oid));
+               } else {
+                       stream_blob(oid);
+               }
        }
        else {
                enum object_type type;
@@ -595,8 +603,10 @@ static int batch_option_callback(const struct option *opt,
 {
        struct batch_options *bo = opt->value;
 
+       BUG_ON_OPT_NEG(unset);
+
        if (bo->enabled) {
-               return 1;
+               return error(_("only one batch option may be specified"));
        }
 
        bo->enabled = 1;
@@ -631,10 +641,12 @@ int cmd_cat_file(int argc, const char **argv, const char *prefix)
                OPT_BOOL(0, "buffer", &batch.buffer_output, N_("buffer --batch output")),
                { OPTION_CALLBACK, 0, "batch", &batch, "format",
                        N_("show info and content of objects fed from the standard input"),
-                       PARSE_OPT_OPTARG, batch_option_callback },
+                       PARSE_OPT_OPTARG | PARSE_OPT_NONEG,
+                       batch_option_callback },
                { OPTION_CALLBACK, 0, "batch-check", &batch, "format",
                        N_("show info about objects fed from the standard input"),
-                       PARSE_OPT_OPTARG, batch_option_callback },
+                       PARSE_OPT_OPTARG | PARSE_OPT_NONEG,
+                       batch_option_callback },
                OPT_BOOL(0, "follow-symlinks", &batch.follow_symlinks,
                         N_("follow in-tree symlinks (used with --batch or --batch-check)")),
                OPT_BOOL(0, "batch-all-objects", &batch.all_objects,