Artifact permissions are not preserved for local agents

Summary

Artifact permissions are not preserved for local agents.

Steps to Reproduce

1. create a new Project (i.e.: Support), Plan (i.e.: MyPlan)
2. add an "Script" task

   # creates a new file
   touch executable.jar
   
   # list files
   ls -l
   
   # change its permission
   chmod 755 executable.jar
   
   # list files
   ls -l
   

   As a result you would have something like:

   12-Dec-2014 14:08:52	total 0
   12-Dec-2014 14:08:52	-rw-r--r--  1 root  root  0 Dec 12 14:08 executable.jar
   12-Dec-2014 14:08:52	total 0
   12-Dec-2014 14:08:52	-rwxr-xr-x  1 root  root  0 Dec 12 14:08 executable.jar
   

3. create an Artifact definition as per following:

   Name: myArtifact
   Location:
   Copy pattern: executable.jar
   [x] Shared
   

4. go to $BAMBOO_HOME/artifacts and run the following:

   ls -l SUP-MYPLAN/shared/build-00001/myArtifact/executable.jar
   

   As a result you would have something like:

   -rw-r--r--  1 root  root  0 Dec 12 14:08 SUP-MYPLAN/shared/build-00001/myArtifact/executable.jar
   

Workaround

• Write a script job that will re-set the correct permissions
• Tar everything up before creating the artifacts and then pass around a tarball rather than just pure artifacts.