copy & rename can ignore removed source files As mercurial now distinguishes deleted files from removed files, we can skip removed source files while copying or renaming.

adding foo
adding bomb
adding a.c
adding dir/a.o
adding dir/b.o
! a.c
! dir/a.o
! dir/b.o
? .hgignore
a.c: unsupported file type (type is fifo)
! a.c