July 28, 2010

PackageMaker could not copy unreadable files

I was getting a bizarre error with Apple’s PackageMaker

% /Developer/usr/bin/packagemaker --filter "\.DS_Store" --root-volume-only --domain system --verbose --no-relocate -l "/" --target 10.5 --id com.codeography.program.pkg --resources build/Release/Package/resources --scripts build/Release/Package/scripts --title "Program Name 2.1.10" --version 2.1.10 --root build/Release/Package/root --out installer.pkg                                                                 
Preverifying root
  Preverifying root
  Checking bundle identifiers
  Checking package configuration
  Checking contents
  Loading contents
  Applying Recommended Permissions
  Checking for ZeroLink
Preverifying Program Name 2.1.10
  Preverifying Program Name 2.1.10
Building root
  Building root
  Copying Scripts
  Copying unreadable files to temporary location
    ERROR: Could not copy unreadable files.
  Renaming package files

After hours of searching I found that I had a vim swap file that wasn’t world readable. And when I change the owner of the files that I need to package to be root, my user no longer had read permissions. Finding this was pretty easy using the find command.

% find . \! -perm -444

Deleted that file and everything worked.

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