Git.pm: Make File::Spec and File::Temp requirement lazy
This will ensure that the API at large is accessible to nearly
all Perl versions, while only the temp file caching API is tied to
the File::Temp and File::Spec modules being available.
Signed-off-by: Marcus Griep <marcus@griep.us>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/perl/Git.pm b/perl/Git.pm
index 405f68f..102e6a4 100644
--- a/perl/Git.pm
+++ b/perl/Git.pm
@@ -100,8 +100,6 @@
use Error qw(:try);
use Cwd qw(abs_path);
use IPC::Open2 qw(open2);
-use File::Temp ();
-require File::Spec;
use Fcntl qw(SEEK_SET SEEK_CUR);
}
@@ -1009,6 +1007,8 @@
sub _temp_cache {
my ($name) = @_;
+ _verify_require();
+
my $temp_fd = \$TEMP_FILES{$name};
if (defined $$temp_fd and $$temp_fd->opened) {
if ($TEMP_LOCKS{$$temp_fd}) {
@@ -1031,6 +1031,11 @@
$$temp_fd;
}
+sub _verify_require {
+ eval { require File::Temp; require File::Spec; };
+ $@ and throw Error::Simple($@);
+}
+
=item temp_reset ( FILEHANDLE )
Truncates and resets the position of the C<FILEHANDLE>.
