cgi: remove dependency on IPC::Run in CGI

[public-inbox.git] / public-inbox.cgi

diff --git a/public-inbox.cgi b/public-inbox.cgi
index b63223f509fc24cb05905e05c163c621303b7077..da87d2c34800b487cb0ff2d7dc77d5d25bd09d3c 100755 (executable)
--- a/public-inbox.cgi
+++ b/public-inbox.cgi
@@ -147,13 +147,21 @@ sub mid2blob {
        my $hex = Digest::SHA::sha1_hex($ctx->{mid});
        $hex =~ /\A([a-f0-9]{2})([a-f0-9]{38})\z/i or
                        die "BUG: not a SHA-1 hex: $hex";
-       require IPC::Run;
-       my ($in, $blob, $err);
-       open my $null, '+<', '/dev/null' or die "open: $!\n";
-       IPC::Run::run(['git', "--git-dir=$ctx->{git_dir}",
-                       qw(cat-file blob), "HEAD:$1/$2"],
-                       $null, \$blob, $null);
-       $? == 0 ? \$blob : undef;
+
+       my @cmd = ('git', "--git-dir=$ctx->{git_dir}",
+                       qw(cat-file blob), "HEAD:$1/$2");
+       my $cmd = join(' ', @cmd);
+       my $pid = open my $fh, '-|';
+       defined $pid or die "fork failed: $!\n";
+       if ($pid == 0) {
+               open STDERR, '>', '/dev/null'; # ignore errors
+               exec @cmd;
+               exit 1;
+       } else {
+               my $blob = eval { local $/; <$fh> };
+               close $fh;
+               $? == 0 ? \$blob : undef;
+       }
 }
 
 # /$LISTNAME/m/$MESSAGE_ID.txt                    -> raw original