https: not http:

[ykurahara]

spec repository: 'http://squeaksource.blueplane.jp/FileMan'.
The repository seems to be unavailable on http. It should be https.

Regards,
Kurahara

[mumez]

Thank for the correction. I've added BaselineOfFileMan for easier installation.
#8

Now you can:

Metacello new
  baseline: 'FileMan';
  repository: 'github://mumez/FileMan/repository';
  load.

Please let me know if the problem persists.