git-cvsserver runs hooks/post-receive

git-cvsserver just did the following:
    (1) run hooks/update
    (2) commit if hooks/update passed

This commit simply adds:
    (3) run hooks/post-receive

Also, there are a few grammar cleanups and
consistency improvements.

Signed-off-by: Michael Witten <mfwitten@mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/git-cvsserver.perl b/git-cvsserver.perl
index 0d55fec..11f5127 100755 (executable)
--- a/git-cvsserver.perl
+++ b/git-cvsserver.perl
@@ -1211,13 +1211,13 @@ sub req_ci
 
     chdir $tmpdir;
 
-    # populate the temporary index based
+    # populate the temporary index
     system("git-read-tree", $parenthash);
     unless ($? == 0)
     {
        die "Error running git-read-tree $state->{module} $file_index $!";
     }
-    $log->info("Created index '$file_index' with for head $state->{module} - exit status $?");
+    $log->info("Created index '$file_index' for head $state->{module} - exit status $?");
 
     my @committedfiles = ();
     my %oldmeta;
@@ -1237,7 +1237,7 @@ sub req_ci
 
         my ( $filepart, $dirpart ) = filenamesplit($filename);
 
-        # do a checkout of the file if it part of this tree
+       # do a checkout of the file if it is part of this tree
         if ($wrev) {
             system('git-checkout-index', '-f', '-u', $filename);
             unless ($? == 0) {
@@ -1324,11 +1324,11 @@ sub req_ci
         exit;
     }
 
-       # Check that this is allowed, just as we would with a receive-pack
-       my @cmd = ( $ENV{GIT_DIR}.'hooks/update', "refs/heads/$state->{module}",
+       ### Emulate git-receive-pack by running hooks/update
+       my @hook = ( $ENV{GIT_DIR}.'hooks/update', "refs/heads/$state->{module}",
                        $parenthash, $commithash );
-       if( -x $cmd[0] ) {
-               unless( system( @cmd ) == 0 )
+       if( -x $hook[0] ) {
+               unless( system( @hook ) == 0 )
                {
                        $log->warn("Commit failed (update hook declined to update ref)");
                        print "error 1 Commit failed (update hook declined)\n";
@@ -1337,6 +1337,7 @@ sub req_ci
                }
        }
 
+       ### Update the ref
        if (system(qw(git update-ref -m), "cvsserver ci",
                        "refs/heads/$state->{module}", $commithash, $parenthash)) {
                $log->warn("update-ref for $state->{module} failed.");
@@ -1344,6 +1345,18 @@ sub req_ci
                exit;
        }
 
+       ### Emulate git-receive-pack by running hooks/post-receive
+       my $hook = $ENV{GIT_DIR}.'hooks/post-receive';
+       if( -x $hook ) {
+               open(my $pipe, "| $hook") || die "can't fork $!";
+
+               local $SIG{PIPE} = sub { die 'pipe broke' };
+
+               print $pipe "$parenthash $commithash refs/heads/$state->{module}\n";
+
+               close $pipe || die "bad pipe: $! $?";
+       }
+
     $updater->update();
 
     # foreach file specified on the command line ...