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[PATCH 2/2] git-svn: allow empty email-address in authors-prog and authors-file




The email address in --authors-file and --authors-prog can be empty but
git-svn translated it into a syntethic email address in the form
$USERNAME@$REPO_UUID. Now git-svn behaves like git-commit: If the email
is explicitly set to the empty string, the commit does not contain
an email address.

Signed-off-by: Andreas Heiduk <asheiduk@xxxxxxxxx>
---
 perl/Git/SVN.pm | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/perl/Git/SVN.pm b/perl/Git/SVN.pm
index bc4eed3d75..b0a340b294 100644
--- a/perl/Git/SVN.pm
+++ b/perl/Git/SVN.pm
@@ -1482,7 +1482,6 @@ sub call_authors_prog {
 	}
 	if ($author =~ /^\s*(.+?)\s*<(.*)>\s*$/) {
 		my ($name, $email) = ($1, $2);
-		$email = undef if length $2 == 0;
 		return [$name, $email];
 	} else {
 		die "Author: $orig_author: $::_authors_prog returned "
@@ -2020,8 +2019,8 @@ sub make_log_entry {
 		remove_username($full_url);
 		$log_entry{metadata} = "$full_url\@$r $uuid";
 		$log_entry{svm_revision} = $r;
-		$email ||= "$author\@$uuid";
-		$commit_email ||= "$author\@$uuid";
+		$email //= "$author\@$uuid";
+		$commit_email //= "$author\@$uuid";
 	} elsif ($self->use_svnsync_props) {
 		my $full_url = canonicalize_url(
 			add_path_to_url( $self->svnsync->{url}, $self->path )
@@ -2029,15 +2028,15 @@ sub make_log_entry {
 		remove_username($full_url);
 		my $uuid = $self->svnsync->{uuid};
 		$log_entry{metadata} = "$full_url\@$rev $uuid";
-		$email ||= "$author\@$uuid";
-		$commit_email ||= "$author\@$uuid";
+		$email //= "$author\@$uuid";
+		$commit_email //= "$author\@$uuid";
 	} else {
 		my $url = $self->metadata_url;
 		remove_username($url);
 		my $uuid = $self->rewrite_uuid || $self->ra->get_uuid;
 		$log_entry{metadata} = "$url\@$rev " . $uuid;
-		$email ||= "$author\@" . $uuid;
-		$commit_email ||= "$author\@" . $uuid;
+		$email //= "$author\@" . $uuid;
+		$commit_email //= "$author\@" . $uuid;
 	}
 	$log_entry{name} = $name;
 	$log_entry{email} = $email;
-- 
2.16.2