Don't try to put symlinked files in archive.

utils/pub/command_lish.dart

Index: utils/pub/command_lish.dart
diff --git a/utils/pub/command_lish.dart b/utils/pub/command_lish.dart
index 420952c95a879fd98e9780457f2f833a9b8cbdec..3e61ba2e255f6dfdefafd8cbbecb74f1a4458b30 100644
--- a/utils/pub/command_lish.dart
+++ b/utils/pub/command_lish.dart
@@ -164,7 +164,18 @@ class LishCommand extends PubCommand {
             // Should instead only make these relative right before generating
             // the tree display (which is what really needs them to be).
             // Make it relative to the package root.
-            return relativeTo(entry, rootDir);
+            entry = relativeTo(entry, rootDir);
+
+            // TODO(rnystrom): dir.list() will paths with resolved symlinks.

[Jennifer Messerly, 2012/12/12 23:49:25]

"will include paths" ?

[Siggi Cherem (dart-lang), 2012/12/12 23:53:56]

woah - I wrote something about this and when I hit save, John's comment showed
up. Magical :)

+            // In particular, we'll get paths to symlinked files from "packages"
+            // that reach outside of this package. Since the path has already
+            // been resolved, we don't even see "packages" in that path anymore.
+            // These should not be included in the archive. As a hack, ignore
+            // any file whose relative path is backing out of the root
+            // directory. Should do something cleaner.
+            if (entry.length > 1 && entry.startsWith('..')) return null;

[Jennifer Messerly, 2012/12/12 23:49:25]

entry.startsWith('..') implies entry.length > 1 right?

also might want to do "../"

+
+            return entry;
           });
         }));
       });