Git.pm: Introduce ident() and ident_person() methods

diff --git a/git-send-email.perl b/git-send-email.perl
index ed1d89b3f73564715d0fe4061e87f63fea7e7be2..79e82f5a8069362ccf41723df7db017228cd97bf 100755 (executable)
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -21,6 +21,7 @@
 use Term::ReadLine;
 use Getopt::Long;
 use Data::Dumper;
+use Git;
 
 # most mail servers generate the Date: header, but not all...
 $ENV{LC_ALL} = 'C';
@@ -46,6 +47,8 @@
 # Example reply to:
 #$initial_reply_to = ''; #<20050203173208.GA23964@foobar.com>';
 
+my $repo = Git->repository();
+
 my $term = new Term::ReadLine 'git-send-email';
 
 # Begin by accumulating all the variables (defined above), that we will end up
@@ -65,35 +68,28 @@
                    "no-signed-off-cc|no-signed-off-by-cc" => \$no_signed_off_cc,
         );
 
-# Now, let's fill any that aren't set in with defaults:
+# Verify the user input
 
-sub gitvar {
-    my ($var) = @_;
-    my $fh;
-    my $pid = open($fh, '-|');
-    die "$!" unless defined $pid;
-    if (!$pid) {
-       exec('git-var', $var) or die "$!";
-    }
-    my ($val) = <$fh>;
-    close $fh or die "$!";
-    chomp($val);
-    return $val;
+foreach my $entry (@to) {
+       die "Comma in --to entry: $entry'\n" unless $entry !~ m/,/;
 }
 
-sub gitvar_ident {
-    my ($name) = @_;
-    my $val = gitvar($name);
-    my @field = split(/\s+/, $val);
-    return join(' ', @field[0...(@field-3)]);
+foreach my $entry (@initial_cc) {
+       die "Comma in --cc entry: $entry'\n" unless $entry !~ m/,/;
 }
 
-my ($author) = gitvar_ident('GIT_AUTHOR_IDENT');
-my ($committer) = gitvar_ident('GIT_COMMITTER_IDENT');
+foreach my $entry (@bcclist) {
+       die "Comma in --bcclist entry: $entry'\n" unless $entry !~ m/,/;
+}
+
+# Now, let's fill any that aren't set in with defaults:
+
+my ($author) = $repo->ident_person('author');
+my ($committer) = $repo->ident_person('committer');
 
 my %aliases;
-chomp(my @alias_files = `git-repo-config --get-all sendemail.aliasesfile`);
-chomp(my $aliasfiletype = `git-repo-config sendemail.aliasfiletype`);
+my @alias_files = $repo->config('sendemail.aliasesfile');
+my $aliasfiletype = $repo->config('sendemail.aliasfiletype');
 my %parse_alias = (
        # multiline formats can be supported in the future
        mutt => sub { my $fh = shift; while (<$fh>) {
@@ -118,7 +114,7 @@ sub gitvar_ident {
                }}}
 );
 
-if (@alias_files && defined $parse_alias{$aliasfiletype}) {
+if (@alias_files and $aliasfiletype and defined $parse_alias{$aliasfiletype}) {
        foreach my $file (@alias_files) {
                open my $fh, '<', $file or die "opening $file: $!\n";
                $parse_alias{$aliasfiletype}->($fh);
@@ -312,20 +308,19 @@ sub expand_aliases {
 
 sub extract_valid_address {
        my $address = shift;
+       my $local_part_regexp = '[^<>"\s@]+';
+       my $domain_regexp = '[^.<>"\s@]+(?:\.[^.<>"\s@]+)+';
 
        # check for a local address:
-       return $address if ($address =~ /^([\w\-]+)$/);
+       return $address if ($address =~ /^($local_part_regexp)$/);
 
        if ($have_email_valid) {
-               return Email::Valid->address($address);
+               return scalar Email::Valid->address($address);
        } else {
                # less robust/correct than the monster regexp in Email::Valid,
                # but still does a 99% job, and one less dependency
-               my $cleaned_address;
-               if ($address =~ /([^\"<>\s]+@[^<>\s]+)/) {
-                       $cleaned_address = $1;
-               }
-               return $cleaned_address;
+               $address =~ /($local_part_regexp\@$domain_regexp)/;
+               return $1;
        }
 }
 
@@ -361,10 +356,7 @@ sub send_message
        my $date = strftime('%a, %d %b %Y %H:%M:%S %z', localtime($time++));
        my $gitversion = '@@GIT_VERSION@@';
        if ($gitversion =~ m/..GIT_VERSION../) {
-           $gitversion = `git --version`;
-           chomp $gitversion;
-           # keep only what's after the last space
-           $gitversion =~ s/^.* //;
+           $gitversion = Git::version();
        }
 
        my $header = "From: $from
@@ -387,7 +379,7 @@ sub send_message
                defined $pid or die $!;
                if (!$pid) {
                        exec($smtp_server,'-i',
-                            map { scalar extract_valid_address($_) }
+                            map { extract_valid_address($_) }
                             @recipients) or die $!;
                }
                print $sm "$header\n$message";