## Listing options
complete -c tree -s a            -d 'All files are listed'
complete -c tree -s d            -d 'List directories only'
complete -c tree -s l            -d 'Follow symbolic links like directories'
complete -c tree -s f            -d 'Print the full path prefix for each file'
complete -c tree -s x            -d 'Stay on current filesystem only'
complete -c tree -s L -x         -d 'Descend only level directories deep'
complete -c tree -s R            -d 'Rerun tree when max dir level reached'
complete -c tree -s P -r         -d 'List only those files that match the pattern given'
complete -c tree -s I -r         -d 'Do not list files that match the given pattern'
complete -c tree -l noreport     -d 'Turn off file/directory count at end of tree listing'
complete -c tree -l charset -x   -d 'Use charset X for terminal/HTML and indentation line output'
complete -c tree -l filelimit -r -d 'Do not descend dirs with more than # files in them'
complete -c tree -l timefmt -x   -d 'Print and format time according to the format <f>'
complete -c tree -s o -r         -d 'Output to file instead of stdout'

## File options
complete -c tree -s q            -d 'Print non-printable characters as \'?\''
complete -c tree -s N            -d 'Print non-printable characters as is'
complete -c tree -s Q            -d 'Quote filenames with double quotes'
complete -c tree -s p            -d 'Print the protections for each file'
complete -c tree -s u            -d 'Displays file owner or UID number'
complete -c tree -s g            -d 'Displays file group owner or GID number'
complete -c tree -s s            -d 'Print the size in bytes of each file'
complete -c tree -s h            -d 'Print the size in a more human readable way'
complete -c tree -l si           -d 'Like -h, but use in SI units (powers of 1000)'
complete -c tree -s D            -d 'Print the date of last modification or (-c) status change'
complete -c tree -s F            -d 'Appends \'/\', \'=\', \'*\', \'@\', \'|\' or \'>\' as per ls -F'
complete -c tree -l inodes       -d 'Print inode number of each file'
complete -c tree -l device       -d 'Print device ID number to which each file belongs'


## Sorting options
complete -c tree -s v            -d 'Sort files alphanumerically by version'
complete -c tree -s r            -d 'Sort files in reverse alphanumeric order'
complete -c tree -s t            -d 'Sort files by last modification time'
complete -c tree -s c            -d 'Sort files by last status change time'
complete -c tree -s U            -d 'Leave files unsorted'
complete -c tree -l dirsfirst    -d 'List directories before files (-U disables)'

## Graphics options
complete -c tree -s i            -d 'Don\'t print indentation lines'
complete -c tree -s A            -d 'Print ANSI lines graphic indentation lines'
complete -c tree -s S            -d 'Print with ASCII graphics indentation lines'
complete -c tree -s n            -d 'Turn colorization off always (-C overrides)'
complete -c tree -s C            -d 'Turn colorization on always'

## XML/HTML options
complete -c tree -s X            -d 'Prints out an XML representation of the tree'
complete -c tree -s H -r         -d 'Prints out HTML format with baseHREF as top directory'
complete -c tree -s T -r         -d 'Replace the default HTML title and H1 header with string'
complete -c tree -l nolinks      -d 'Turn off hyperlinks in HTML output'

## Miscellaneous options
complete -c tree -l version      -d 'Print version and exit'
complete -c tree -l help         -d 'Print usage and this help message and exit'