Initial commit, based on Martin Vaeth's cpi script
Allow touch or forcing of cp -a; options -tfh; diff -q; zsh completion
Use correct zsh completion file
Simplify quoting
Simplify quoting
Make --preserve optional. Use external commands if sh=busybox
Speed up -z/-n tests
Add mvi
Enable runtime switching copy<->move mode
Allow -f also in move-mode for zsh completion
Logical diff order. Unified diff.
Introduce -n.  Make not -f work with specified arguments. Update option parsing
Fix shebang