[COMMITTED] poked: make --version and --help GNU compatible

[Mohammad-Reza Nabipoor]

2023-01-11  Mohammad-Reza Nabipoor  <mnabipoor@gnu.org>

        * poked/poked.c (poked_version): Add new function to print version
        in GNU style.
        (poked_options_init): Use `poked_version'.
        (poked_help): Make it GNU-compatible.
---
 ChangeLog     |  7 +++++++
 poked/poked.c | 27 ++++++++++++++++++++++++++-
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index e1762b12..d775c681 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2023-01-11  Mohammad-Reza Nabipoor  <mnabipoor@gnu.org>
+
+       * poked/poked.c (poked_version): Add new function to print version
+       in GNU style.
+       (poked_options_init): Use `poked_version'.
+       (poked_help): Make it GNU-compatible.
+
 2023-01-11  Mohammad-Reza Nabipoor  <mnabipoor@gnu.org>
 
        * libpoke/pvm.jitter (formatf32): Add literal parameter to the
diff --git a/poked/poked.c b/poked/poked.c
index 2143590f..6e86a7b1 100644
--- a/poked/poked.c
+++ b/poked/poked.c
@@ -471,6 +471,9 @@ poked_compile (const char *src, uint8_t chan, int 
*poked_restart_p,
 static void
 poked_help (void);
 
+static void
+poked_version (void);
+
 static struct poked_options
 {
   int debug_p;
@@ -509,7 +512,7 @@ poked_options_init (int argc, char *argv[])
           break;
         case OPT_VERSION:
         case 'v':
-          puts (VERSION);
+          poked_version ();
           exit (EXIT_SUCCESS);
           break;
         case OPT_DEBUG:
@@ -539,6 +542,28 @@ poked_help (void)
   puts ("  -v, --version             show version and exit");
   puts ("  -d, --debug               be more verbose during the execution");
   puts ("  -S, --socket-path=PATH    path of unix domain socket to listen on");
+  printf ("\n\
+Report bugs in the bug tracker at\n\
+  <%s>\n\
+  or by email to <%s>.\n", PACKAGE_BUGZILLA, PACKAGE_BUGREPORT);
+#ifdef PACKAGE_PACKAGER_BUG_REPORTS
+  printf (_("Report %s bugs to: %s\n"), PACKAGE_PACKAGER,
+          PACKAGE_PACKAGER_BUG_REPORTS);
+#endif
+  printf ("%s home page: <%s>\n", PACKAGE_NAME, PACKAGE_URL);
+  printf ("General help using GNU software: %s\n", 
"<http://www.gnu.org/gethelp/>");
+}
+
+static void
+poked_version (void)
+{
+  printf ("poked (GNU poke) %s\n\n", VERSION);
+  printf ("\
+Copyright (C) %s The poke authors.\n\
+License GPLv3+: GNU GPL version 3 or later", "2022-2023");
+  puts (".\n\
+This is free software: you are free to change and redistribute it.\n\
+There is NO WARRANTY, to the extent permitted by law.");
 }
 
 int
-- 
2.39.0