ChownShift

Shift UIDs,GIDs of directories or files by a specified amount

Features

• Optional recursion mode
• Supports hardlinks, symlinks without following them
• Preserves file modes/permissions by default (including setuid)

Example

# ls -la
drwxr-xr-x 2 user user 4096 Oct  9 15:08 .
drwxr-xr-x 3 user user 4096 Oct  9 15:16 ..
-rw-r--r-- 1 2000 2000    0 Oct  9 15:08 testfile
drwxr-xr-x 2 2000 2000 4096 Oct  9 15:08 testdirectory
# chownshift -1 . --recursive # Shift UIDs and GIDs by -1
# ls -la
drwxr-xr-x 2 user user 4096 Oct  9 15:08 .
drwxr-xr-x 3 user user 4096 Oct  9 15:16 ..
-rw-r--r-- 1 1999 1999    0 Oct  9 15:08 testfile
drwxr-xr-x 2 1999 1999 4096 Oct  9 15:08 testdirectory

Usage

Usage: chownshift <difference> <path> [Optional Arguments]
Mandatory Arguments:
<difference>: A positive or negative integer denoting the amount of UIDs and GIDs the files in path are to be shifted by
<path>: The target path to a file or directory
Optional Arguments:
--recursive Recurse though the path provided
--verbose Verbose output
--nopermissions Do not preserve permissions
--dry-run Simulate only
--help Show this message
Exit codes: 0 - Success, 1 - Error, 2 - Argument error