completion: add hack to enable file mode in bash < 4

diff --git a/diff.c b/diff.c
index db952a5bc71ac967cb045bada8c71f5fda218ca2..f0b3e7cfe34a99c0e5fea85fcd00ec54e9b578d8 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -1565,7 +1565,7 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
         * Binary files are displayed with "Bin XXX -> YYY bytes"
         * instead of the change count and graph. This part is treated
         * similarly to the graph part, except that it is not
-        * "scaled". If total width is too small to accomodate the
+        * "scaled". If total width is too small to accommodate the
         * guaranteed minimum width of the filename part and the
         * separators and this message, this message will "overflow"
         * making the line longer than the maximum width.
@@ -2255,6 +2255,7 @@ static void builtin_diff(const char *name_a,
                const char *del = diff_get_color_opt(o, DIFF_FILE_OLD);
                const char *add = diff_get_color_opt(o, DIFF_FILE_NEW);
                show_submodule_summary(o->file, one ? one->path : two->path,
+                               line_prefix,
                                one->sha1, two->sha1, two->dirty_submodule,
                                meta, del, add, reset);
                return;
@@ -3596,8 +3597,8 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
                options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
        else if (!strcmp(arg, "--histogram"))
                options->xdl_opts = DIFF_WITH_ALG(options, HISTOGRAM_DIFF);
-       else if (!prefixcmp(arg, "--diff-algorithm=")) {
-               long value = parse_algorithm_value(arg+17);
+       else if ((argcount = parse_long_opt("diff-algorithm", av, &optarg))) {
+               long value = parse_algorithm_value(optarg);
                if (value < 0)
                        return error("option diff-algorithm accepts \"myers\", "
                                     "\"minimal\", \"patience\" and \"histogram\"");
@@ -3605,6 +3606,7 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
                DIFF_XDL_CLR(options, NEED_MINIMAL);
                options->xdl_opts &= ~XDF_DIFF_ALGORITHM_MASK;
                options->xdl_opts |= value;
+               return argcount;
        }
 
        /* flags options */