Avoid shelling out to an external sort to verify that MANIFEST is sorted.

This also lets us report which file(s) are out of order.

diff --git a/t/lib/manifest.t b/t/lib/manifest.t
index ea40708..bbf038a 100644 (file)
--- a/t/lib/manifest.t
+++ b/t/lib/manifest.t
@@ -17,13 +17,30 @@ my $manifest = File::Spec->catfile(File::Spec->updir(), 'MANIFEST');
 
 open my $m, '<', $manifest or die "Can't open '$manifest': $!";
 
+my $last_seen = '';
+my $sorted = 1;
+
 # Test that MANIFEST uses tabs - not spaces - after the name of the file.
 while (<$m>) {
     chomp;
-    next unless /\s/;   # Ignore lines without whitespace (i.e., filename only)
-    my ($file, $separator) = /^(\S+)(\s+)/;
+
+    my ($file, $separator) = /^(\S+)(\s*)/;
     isnt($file, undef, "Line $. doesn't start with a blank") or next;
-    if ($separator !~ tr/\t//c) {
+
+    # Manifest order is "dictionary order, lowercase" for ASCII:
+    my $normalised = $_;
+    $normalised =~ tr/A-Z/a-z/;
+    $normalised =~ s/[^a-z0-9\s]//g;
+
+    if ($normalised le $last_seen) {
+       fail("Sort order broken by $file");
+       undef $sorted;
+    }
+    $last_seen = $normalised;
+
+    if (!$separator) {
+       # Ignore lines without whitespace (i.e., filename only)
+    } elsif ($separator !~ tr/\t//c) {
        # It's all tabs
        next;
     } elsif ($separator !~ tr/ //c) {
@@ -38,8 +55,6 @@ while (<$m>) {
 
 close $m or die $!;
 
-# Test that MANIFEST is properly sorted
-my $sorted = `LC_ALL=C sort -fdc $manifest 2>&1`;
-is($sorted, '', 'MANIFEST properly sorted');
+ok($sorted, 'MANIFEST properly sorted');
 
 # EOF