btrbk: add "-t, --table" command line option (shortcut for "--format=table")

ChangeLog

@@ -4,9 +4,9 @@ btrbk-current
   * Allow filtering subcommands by group as well as targets.
   * Added "config print" command.
   * Added "list" command (experimental).
-  * Added "--format=table|long|raw" command line option, producing
-    tabular and raw (machine-readable) output for "(dry)run", "tree"
-    and "list" commands.
+  * Added "--format=table|long|raw" and "-t, --table" command line
+    options, producing tabular and raw (machine-readable) output for
+    "(dry)run", "tree" and "list" commands.
   * Added configuration option "ssh_cipher_spec" (close: #47).
   * Added "target raw", with GnuPG and compression support
     (experimental).

btrbk

@@ -155,6 +155,7 @@ sub HELP_MESSAGE
   print STDERR "   -v, --verbose         be verbose (set loglevel=info)\n";
   print STDERR "   -q, --quiet           be quiet (do not print summary for the \"run\" command)\n";
   print STDERR "   -l, --loglevel=LEVEL  set logging level (warn, info, debug, trace)\n";
+  print STDERR "   -t, --table           change output to table format\n";
   print STDERR "       --format=FORMAT   change output format, FORMAT=table|long|raw\n";
   print STDERR "       --progress        show progress bar on send-receive operation\n";
   print STDERR "\n";
@@ -1770,6 +1771,7 @@ MAIN:
     'verbose|v'     => sub { $loglevel = 2; },
     'loglevel|l=s'  => \$loglevel,
     'progress'      => \$show_progress,
+    'table|t'       => sub { $output_format = "table" },
     'format=s'      => \$output_format,
    ))
   {

doc/btrbk.1

@@ -79,6 +79,11 @@ Set the level of verbosity. Accepted levels are warn, info, debug,
 and trace.
 .RE
 .PP
+\-t, \-\-table
+.RS 4
+Print output in table format (shortcut for "--format=table").
+.RE
+.PP
 \-\-format table|long|raw
 .RS 4
 Print output in specified format. If set to "raw", prints