Pass CVSps generated A U Thor <author@domain.xz> intact.

Alexey Nezhdanov updated CVSps to generate author-name and
author-email information in its output.

If the input looks like it has that already properly formatted,
use that without our own munging.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/git-cvsimport.perl b/git-cvsimport.perl
index 565f4f1..f35c0d0 100755 (executable)
--- a/git-cvsimport.perl
+++ b/git-cvsimport.perl
@@ -510,7 +510,7 @@ unless($pid) {
 
 my $state = 0;
 
-my($patchset,$date,$author,$branch,$ancestor,$tag,$logmsg);
+my($patchset,$date,$author_name,$author_email,$branch,$ancestor,$tag,$logmsg);
 my(@old,@new);
 my $commit = sub {
        my $pid;
@@ -591,11 +591,11 @@ my $commit = sub {
                }
 
                exec("env",
-                       "GIT_AUTHOR_NAME=$author",
-                       "GIT_AUTHOR_EMAIL=$author",
+                       "GIT_AUTHOR_NAME=$author_name",
+                       "GIT_AUTHOR_EMAIL=$author_email",
                        "GIT_AUTHOR_DATE=".strftime("+0000 %Y-%m-%d %H:%M:%S",gmtime($date)),
-                       "GIT_COMMITTER_NAME=$author",
-                       "GIT_COMMITTER_EMAIL=$author",
+                       "GIT_COMMITTER_NAME=$author_name",
+                       "GIT_COMMITTER_EMAIL=$author_email",
                        "GIT_COMMITTER_DATE=".strftime("+0000 %Y-%m-%d %H:%M:%S",gmtime($date)),
                        "git-commit-tree", $tree,@par);
                die "Cannot exec git-commit-tree: $!\n";
@@ -638,7 +638,7 @@ my $commit = sub {
                print $out "object $cid\n".
                    "type commit\n".
                    "tag $xtag\n".
-                   "tagger $author <$author>\n"
+                   "tagger $author_name <$author_email>\n"
                    or die "Cannot create tag object $xtag: $!\n";
                close($out)
                    or die "Cannot create tag object $xtag: $!\n";
@@ -683,7 +683,11 @@ while(<CVS>) {
                $state=3;
        } elsif($state == 3 and s/^Author:\s+//) {
                s/\s+$//;
-               $author = $_;
+               if (/^(.*?)\s+<(.*)>/) {
+                   ($author_name, $author_email) = ($1, $2);
+               } else {
+                   $author_name = $author_email = $_;
+               }
                $state = 4;
        } elsif($state == 4 and s/^Branch:\s+//) {
                s/\s+$//;