Convert git-send-email to use Git.pm

Signed-off-by: Petr Baudis <pasky@suse.cz>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/git-send-email.perl b/git-send-email.perl
index c5d9e733512ddd4d266c85d4f5cdec4a7d74fa56..e794e4492551fe5eaad60950ee74fa94ef01eca6 100755 (executable)
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -21,6 +21,7 @@ use warnings;
 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 @@ my $smtp_server;
 # Example reply to:
 #$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
@@ -81,23 +84,9 @@ foreach my $entry (@bcclist) {
 
 # Now, let's fill any that aren't set in with defaults:
 
-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 $val;
-}
-
 sub gitvar_ident {
     my ($name) = @_;
-    my $val = gitvar($name);
+    my $val = $repo->command('var', $name);
     my @field = split(/\s+/, $val);
     return join(' ', @field[0...(@field-3)]);
 }
@@ -106,8 +95,8 @@ my ($author) = gitvar_ident('GIT_AUTHOR_IDENT');
 my ($committer) = gitvar_ident('GIT_COMMITTER_IDENT');
 
 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>) {
@@ -132,7 +121,7 @@ my %parse_alias = (
                }}}
 );
 
-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);
@@ -374,10 +363,7 @@ 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