Merge branch 'jc/setup'

* jc/setup:
builtin-mv: minimum fix to avoid losing files
git-add: adjust to the get_pathspec() changes.
Make blame accept absolute paths
setup: sanitize absolute and funny paths in get_pathspec()

diff --cc builtin-blame.c
Simple merge

diff --cc builtin-ls-files.c
Simple merge

diff --cc setup.c
Simple merge