Make it possible to symlink to dartdoc and pub in the SDK.

sdk/bin/dartdoc

Index: sdk/bin/dartdoc
diff --git a/sdk/bin/dartdoc b/sdk/bin/dartdoc
index 3f223678f655240fa886e78badda0250211bdfb8..e5f8ea3d18edf581a120ac14ccba9e9d25ec7a88 100755
--- a/sdk/bin/dartdoc
+++ b/sdk/bin/dartdoc
@@ -4,9 +4,15 @@
 # BSD-style license that can be found in the LICENSE file.
 
 # Setting BIN_DIR this way is ugly, but is needed to handle the case where
-# dart-sdk/bin has been symlinked to. On MacOS, readlink doesn't work
-# with this case.
-BIN_DIR="$(cd "${0%/*}" ; pwd -P)"
+# dart-sdk/bin and/or dart-sdk/bin/pub has been symlinked to. On MacOS, readlink

[dgrove, 2013/05/30 19:46:38]

pub => dartdoc

[nweiz, 2013/05/30 20:01:26]

Done.

+# doesn't work with this case.
+linked_path=`readlink "$0"`
+if [ "$linked_path" = "" ]; then
+    BIN_DIR="$(cd "${0%/*}" ; pwd -P)"
+else
+    BIN_DIR="$(cd "${linked_path%/*}" ; pwd -P)"

[dgrove, 2013/05/30 19:46:38]

I am not following what you're trying to do here. can you explain?

[nweiz, 2013/05/30 20:01:26]

If dart-sdk/bin/dartdoc is symlinked to, $0 will point to the symlink, rather
than the resolved path, so we use readlink to resolve the symlink and get the
actual path.

+fi
+DART_SDK="$(cd "${BIN_DIR%/*}" ; pwd -P)"

[dgrove, 2013/05/30 19:46:38]

what is this used for?

[nweiz, 2013/05/30 20:01:26]

Left over from the pub script; removed.

 
 unset COLORS
 if test -t 1; then