Add config settings for common options

git-sync

@@ -133,11 +133,14 @@ value.
 
 =item C<--verbose> or C<-v>
 
-Be more verbose about which repositories are skipped, and why.
+Be more verbose about which repositories are skipped, and why.  This
+option's default is controlled by the C<sync.verbose> key in
+F<.gitconfig>
 
 =item C<--quiet> or C<--terse> or C<-q>
 
-Skip the display of non-dirty, up-to-date repositories.
+Skip the display of non-dirty, up-to-date repositories.  This option's
+default is controlled bt the C<sync.quiet> key in F<.gitconfig>
 
 =item C<--pretend> or C<--dry-run> or C<-n>
 
@@ -150,7 +153,8 @@ L</Github> and L</Remote> directories.
 
 When a repository is ahead or behind its tracking remote (but not
 diverged), show the output of C<git log --oneline --reverse> for the
-list of commits that differ.
+list of commits that differ.  This option's default is controlled by
+the C<sync.log> key in F<.gitconfig>
 
 =item C<--help> or C<-h>
 
@@ -198,7 +202,7 @@ GetOptions(
     'verbose|v!' => \$verbose,
     'quiet|terse|q!' => \$quiet,
     'pretend|dry-run|n' => \$pretend,
-    'log|l' => \$log,
+    'log|l!' => \$log,
     'help|h' => \$help,
 ) or pod2usage( -verbose => 1 );
 
@@ -211,6 +215,9 @@ $verbose = -$quiet if defined $quiet;
 
 my %sync;
 for (split /\0/, `git config -z --get-regexp ^sync\\\\.`) {
+    $verbose =  1 if not defined $verbose and $_ eq "sync.verbose";
+    $verbose = -1 if not defined $verbose and $_ eq "sync.quiet";
+    $log     =  1 if not defined $log     and $_ eq "sync.log";
     next unless /^sync\.(.*?)\.([^\n]*)(?:\n(.*))?/;
     $sync{$1}{$2} = exists $sync{$1}{$2}
         ? ref $sync{$1}{$2} ? [@{$sync{$1}{$2}}, $3] : [$sync{$1}{$2}, $3]