merge-recursive: don't segfault while handling rename clashes

diff --git a/git-send-email.perl b/git-send-email.perl
index 7508f8ff242854462d0b5b505621dd840b551641..77ca8fe8803f102b877c4d63ed1ffa41920cbd54 100755 (executable)
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -20,6 +20,7 @@
 use warnings;
 use Term::ReadLine;
 use Getopt::Long;
+use Text::ParseWords;
 use Data::Dumper;
 use Term::ANSIColor;
 use File::Temp qw/ tempdir /;
@@ -359,6 +360,10 @@ sub read_config {
        die "Comma in --bcclist entry: $entry'\n" unless $entry !~ m/,/;
 }
 
+sub split_addrs {
+       return quotewords('\s*,\s*', 1, @_);
+}
+
 my %aliases;
 my %parse_alias = (
        # multiline formats can be supported in the future
@@ -367,7 +372,7 @@ sub read_config {
                        my ($alias, $addr) = ($1, $2);
                        $addr =~ s/#.*$//; # mutt allows # comments
                         # commas delimit multiple addresses
-                       $aliases{$alias} = [ split(/\s*,\s*/, $addr) ];
+                       $aliases{$alias} = [ split_addrs($addr) ];
                }}},
        mailrc => sub { my $fh = shift; while (<$fh>) {
                if (/^alias\s+(\S+)\s+(.*)$/) {
@@ -379,7 +384,7 @@ sub read_config {
                        chomp $x;
                        $x .= $1 while(defined($_ = <$fh>) && /^ +(.*)$/);
                        $x =~ /^(\S+)$f\t\(?([^\t]+?)\)?(:?$f){0,2}$/ or next;
-                       $aliases{$1} = [ split(/\s*,\s*/, $2) ];
+                       $aliases{$1} = [ split_addrs($2) ];
                }},
        gnus => sub { my $fh = shift; while (<$fh>) {
                if (/\(define-mail-alias\s+"(\S+?)"\s+"(\S+?)"\)/) {
@@ -421,7 +426,7 @@ ($)
 # Now that all the defaults are set, process the rest of the command line
 # arguments and collect up the files that need to be processed.
 my @rev_list_opts;
-while (my $f = pop @ARGV) {
+while (defined(my $f = shift @ARGV)) {
        if ($f eq "--") {
                push @rev_list_opts, "--", @ARGV;
                @ARGV = ();
@@ -588,7 +593,7 @@ ($)
        }
 
        my $to = $_;
-       push @to, split /,\s*/, $to;
+       push @to, split_addrs($to);
        $prompting++;
 }