GIT-VERSION-GEN: do not fail if a 'HEAD' file exists in the working copy

diff --git a/parse-options.c b/parse-options.c
index e87cafbe4199acb39fd9113e4b5096de19a3a61c..b8bde2b04a14936787392babf5e0ec0a9e3ef1a7 100644 (file)
--- a/parse-options.c
+++ b/parse-options.c
@@ -312,8 +312,12 @@ void usage_with_options_internal(const char * const *usagestr,
        fprintf(stderr, "usage: %s\n", *usagestr++);
        while (*usagestr && **usagestr)
                fprintf(stderr, "   or: %s\n", *usagestr++);
-       while (*usagestr)
-               fprintf(stderr, "    %s\n", *usagestr++);
+       while (*usagestr) {
+               fprintf(stderr, "%s%s\n",
+                               **usagestr ? "    " : "",
+                               *usagestr);
+               usagestr++;
+       }
 
        if (opts->type != OPTION_GROUP)
                fputc('\n', stderr);
@@ -344,7 +348,10 @@ void usage_with_options_internal(const char * const *usagestr,
                        break;
                case OPTION_INTEGER:
                        if (opts->flags & PARSE_OPT_OPTARG)
-                               pos += fprintf(stderr, " [<n>]");
+                               if (opts->long_name)
+                                       pos += fprintf(stderr, "[=<n>]");
+                               else
+                                       pos += fprintf(stderr, "[<n>]");
                        else
                                pos += fprintf(stderr, " <n>");
                        break;
@@ -355,12 +362,18 @@ void usage_with_options_internal(const char * const *usagestr,
                case OPTION_STRING:
                        if (opts->argh) {
                                if (opts->flags & PARSE_OPT_OPTARG)
-                                       pos += fprintf(stderr, " [<%s>]", opts->argh);
+                                       if (opts->long_name)
+                                               pos += fprintf(stderr, "[=<%s>]", opts->argh);
+                                       else
+                                               pos += fprintf(stderr, "[<%s>]", opts->argh);
                                else
                                        pos += fprintf(stderr, " <%s>", opts->argh);
                        } else {
                                if (opts->flags & PARSE_OPT_OPTARG)
-                                       pos += fprintf(stderr, " [...]");
+                                       if (opts->long_name)
+                                               pos += fprintf(stderr, "[=...]");
+                                       else
+                                               pos += fprintf(stderr, "[...]");
                                else
                                        pos += fprintf(stderr, " ...");
                        }