[Bps-public-commit] app-wsgetmail branch add-quiet-mode-for-cron created. 0.08-2-gb909d0a

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The branch, add-quiet-mode-for-cron has been created
        at  b909d0a11d58c216f2c14ce1f617c3741af3b779 (commit)

- Log -----------------------------------------------------------------
commit b909d0a11d58c216f2c14ce1f617c3741af3b779
Author: Brian Conry <bconry at bestpractical.com>
Date:   Wed Jun 28 09:57:13 2023 -0500

    Add "quiet" mode for use with cron.
    
    In some organizations wsgetmail is run very frequently out of cron for
    many different configuration files.  If the output of wsgetmail isn't
    discarded that will generate a torrent of emails.  If stdout is discared
    then emails will only be generated on error, but the error messages
    don't identify the configuration that's in use.
    
    This commit adds a "quiet" mode that suppresses the normal messages on
    stdout, but preserves them so they can be replayed when there are any
    errors in order to identify the configuration file (i.e. account or
    folder) that had the error.

diff --git a/bin/wsgetmail b/bin/wsgetmail
index d0bc4b7..2cf2308 100755
--- a/bin/wsgetmail
+++ b/bin/wsgetmail
@@ -59,9 +59,29 @@ use Pod::Usage;
 use Getopt::Long;
 
 my ($config_file, $options, $dry_run);
-my ($debug, $help) = (0,0);
+my ($debug, $help, $quiet) = (0,0,0);
+
+{
+    my @buffer;
+
+    sub maybe_print {
+        if($quiet) {
+            push @buffer, @_;
+        }
+        else {
+            print @_;
+        }
+    }
+
+    sub flush_and_die {
+        print STDERR @buffer;
+        @buffer = ();
+        die @_;
+    }
+}
 
 GetOptions('h|help|?' => \$help,
+           "q|quiet" => \$quiet,
            "v|verbose|debug" => \$debug,
            'dry-run' => \$dry_run,
            "c|config|configuration=s" => \$config_file,
@@ -96,7 +116,7 @@ if ( !flock $lock_file_fh, LOCK_EX | LOCK_NB ) {
 
 my $getmail = App::wsgetmail->new({config => $config});
 
-print "\nfetching mail using configuration $config_file\n";
+maybe_print("\nfetching mail using configuration $config_file\n");
 
 my $done_count = 0;
 my $error_count = 0;
@@ -111,9 +131,9 @@ while (my $message = $getmail->get_next_message()) {
     }
 }
 
-print "\nprocessed $done_count messages\n";
+maybe_print("\nprocessed $done_count messages\n");
 
-die "there were errors with $error_count messages\n" if $error_count;
+flush_and_die("there were errors with $error_count messages\n") if $error_count;
 
 __END__
 
@@ -179,6 +199,21 @@ same way by running:
 Log additional information about each mail API request and any problems
 delivering mail.
 
+=item --quiet, -q
+
+In "quiet" mode wsgetmail suppresses its normal output on stdout.  This ouptut
+identifies the configuration file used and how many messages were processed.
+
+If there are any errors this information is sent to stderr after the error
+messages.
+
+This does not affect the additional logging generated by the verbose/debug
+flag.
+
+The purpose for "quiet" mode is so that, when running wsgetmail multiple times
+on a schedule using multiple configuration files, no output is produced unless
+there are errors, and that output identifies the configuration file used.
+
 =item --dry-run
 
 Read mail and deliver it to the configured command, but don't run the

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hooks/post-receive
-- 
app-wsgetmail