Show usage string for 'git log -h', 'git show -h' and 'git diff -h'

diff --git a/git-send-email.perl b/git-send-email.perl
index 4c795a4b0310aa0d8081dcaea0a9d9593643e704..0700d80afcf99dfafbd34731bf3c359b7d921ff3 100755 (executable)
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -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);
@@ -812,7 +815,7 @@ sub sanitize_address
 }
 
 # Returns 1 if the message was sent, and 0 otherwise.
-# In actuality, the whole program dies when a there
+# In actuality, the whole program dies when there
 # is an error sending a message.
 
 sub send_message
@@ -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 = $_;
@@ -1150,7 +1153,8 @@ sub send_message
        my $message_was_sent = send_message();
 
        # set up for the next message
-       if ($message_was_sent and $chain_reply_to || not defined $reply_to || length($reply_to) == 0) {
+       if ($thread && $message_was_sent &&
+               ($chain_reply_to || !defined $reply_to || length($reply_to) == 0)) {
                $reply_to = $message_id;
                if (length $references > 0) {
                        $references .= "\n $message_id";