send-email: make --no-chain-reply-to the default

diff --git a/git-send-email.perl b/git-send-email.perl
index 303e03a8ce4031a1d9d6d00cb67abda1c30a63f3..c1d093033dfda7f4dfda9ab4d4e4739c94b1af55 100755 (executable)
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -71,7 +71,7 @@ sub usage {
     --suppress-cc           <str>  * author, self, sob, cc, cccmd, body, bodycc, all.
     --[no-]signed-off-by-cc        * Send to Signed-off-by: addresses. Default on.
     --[no-]suppress-from           * Send to self. Default off.
-    --[no-]chain-reply-to          * Chain In-Reply-To: fields. Default on.
+    --[no-]chain-reply-to          * Chain In-Reply-To: fields. Default off.
     --[no-]thread                  * Use In-Reply-To: field. Default on.
 
   Administering:
@@ -188,7 +188,7 @@ sub do_edit {
 
 my %config_bool_settings = (
     "thread" => [\$thread, 1],
-    "chainreplyto" => [\$chain_reply_to, 1],
+    "chainreplyto" => [\$chain_reply_to, undef],
     "suppressfrom" => [\$suppress_from, undef],
     "signedoffbycc" => [\$signed_off_by_cc, undef],
     "signedoffcc" => [\$signed_off_by_cc, undef],      # Deprecated
@@ -334,7 +334,7 @@ sub read_config {
 }
 
 if ($suppress_cc{'all'}) {
-       foreach my $entry (qw (ccmd cc author self sob body bodycc)) {
+       foreach my $entry (qw (cccmd cc author self sob body bodycc)) {
                $suppress_cc{$entry} = 1;
        }
        delete $suppress_cc{'all'};
@@ -450,7 +450,6 @@ ($)
        try {
                $repo->command('rev-parse', '--verify', '--quiet', $f);
                if (defined($format_patch)) {
-                       print "foo\n";
                        return $format_patch;
                }
                die(<<EOF);
@@ -654,13 +653,17 @@ sub ask {
 }
 
 sub expand_aliases {
-       my @cur = @_;
-       my @last;
-       do {
-               @last = @cur;
-               @cur = map { $aliases{$_} ? @{$aliases{$_}} : $_ } @last;
-       } while (join(',',@cur) ne join(',',@last));
-       return @cur;
+       return map { expand_one_alias($_) } @_;
+}
+
+my %EXPANDED_ALIASES;
+sub expand_one_alias {
+       my $alias = shift;
+       if ($EXPANDED_ALIASES{$alias}) {
+               die "fatal: alias '$alias' expands to itself\n";
+       }
+       local $EXPANDED_ALIASES{$alias} = 1;
+       return $aliases{$alias} ? expand_aliases(@{$aliases{$alias}}) : $alias;
 }
 
 @to = expand_aliases(@to);
@@ -1104,7 +1107,7 @@ sub send_message
        close F;
 
        if (defined $cc_cmd && !$suppress_cc{'cccmd'}) {
-               open(F, "$cc_cmd $t |")
+               open(F, "$cc_cmd \Q$t\E |")
                        or die "(cc-cmd) Could not execute '$cc_cmd'";
                while(<F>) {
                        my $c = $_;