fix(clap_complete): Fix bash completions for when bin_name is set

Completions for subcommands in bash where broken when `bin_name`
differed from package-name. Use bin name instead of package name.

clap_complete/src/shells/bash.rs

@@ -64,15 +64,15 @@ complete -F _{name} -o nosort -o bashdefault -o default {name}
                 cmd = bin_name.replace('-', "__"),
                 name_opts = all_options_for_path(cmd, bin_name),
                 name_opts_details = option_details_for_path(cmd, bin_name),
-                subcmds = all_subcommands(cmd),
+                subcmds = all_subcommands(cmd, bin_name),
                 subcmd_details = subcommand_details(cmd)
             )
             .as_bytes()
         );
     }
 }
 
-fn all_subcommands(cmd: &Command) -> String {
+fn all_subcommands(cmd: &Command, bin_name: &str) -> String {
     debug!("all_subcommands");
 
     fn add_command(
@@ -102,7 +102,7 @@ fn all_subcommands(cmd: &Command) -> String {
         }
     }
     let mut subcmds = vec![];
-    let fn_name = cmd.get_name().replace('-', "__");
+    let fn_name = bin_name.replace('-', "__");
     for subcmd in cmd.get_subcommands() {
         add_command(&fn_name, subcmd, &mut subcmds);
     }