fdctl: allow --version flag

Author: jherrera-jump

src/app/shared/boot/fd_boot.c

@@ -212,7 +212,10 @@ fd_main( int          argc,
 
   action_t * action = NULL;
   for( ulong i=0UL; ACTIONS[ i ]; i++ ) {
-    if( FD_UNLIKELY( !strcmp( argv[ 0 ], ACTIONS[ i ]->name ) ) ) {
+    if( FD_UNLIKELY( !strcmp( argv[ 0 ], ACTIONS[ i ]->name ) ||
+                     (!strcmp( argv[ 0 ], "--version" ) && !strcmp( "version", ACTIONS[ i ]->name )) ||
+                     (!strcmp( argv[ 0 ], "--help" ) && !strcmp( "help", ACTIONS[ i ]->name ))
+    ) ) {
       action = ACTIONS[ i ];
       if( FD_UNLIKELY( action->is_immediate ) ) {
         action->fn( NULL, NULL );

src/app/shared/commands/help.c

@@ -16,10 +16,12 @@ help_cmd_fn( args_t *   args   FD_PARAM_UNUSED,
   FD_LOG_STDOUT(( "\nOPTIONS:\n" ));
   /* fdctl does not have many flag arguments so we hard-code the
      --config parameter. */
-  FD_LOG_STDOUT(( "        --config <PATH>    Path to config TOML file\n\n" ));
+  FD_LOG_STDOUT(( "        --config <PATH>    Path to config TOML file\n" ));
+  FD_LOG_STDOUT(( "        --version          Show the current software version\n" ));
+  FD_LOG_STDOUT(( "        --help             Print this help message\n\n" ));
   FD_LOG_STDOUT(( "SUBCOMMANDS:\n" ));
   for( ulong i=0UL; ACTIONS[ i ]; i++ ) {
-    FD_LOG_STDOUT(( "    %9s    %s\n", ACTIONS[ i ]->name, ACTIONS[ i ]->description ));
+    FD_LOG_STDOUT(( "    %12s    %s\n", ACTIONS[ i ]->name, ACTIONS[ i ]->description ));
   }
 }
 

src/app/shared_dev/boot/fd_dev_boot.c

@@ -78,7 +78,13 @@ fd_dev_main( int          argc,
   char const * log_path = fd_env_strip_cmdline_cstr( &argc, &argv, "--log-path", NULL, NULL );
 
   const char * action_name = "dev";
-  if( FD_UNLIKELY( argc > 0 && argv[ 0 ][ 0 ] != '-' ) ) {
+  if( FD_LIKELY( argc > 0 && !strcmp( argv[ 0 ], "--version" ) ) ) {
+    action_name = "version";
+    argc--; argv++;
+  } else if( FD_LIKELY( argc > 0 && !strcmp( argv[ 0 ], "--help" ) ) ) {
+    action_name = "help";
+    argc--; argv++;
+  } else if( FD_UNLIKELY( argc > 0 && argv[ 0 ][ 0 ] != '-' ) ) {
     action_name = argv[ 0 ];
     argc--; argv++;
   }