uncommit: don't lose copy information of remaining files (issue5403)
As reported in the issue, "hg uncommit" would lose copy information of
the files that remained in the commit. The problem was simply that the
a dict of copies was iterated as "src, dst in copies.items()" where it
should have been "dst, src ...".
all: tutorials/tutorial.rst static/logo-evolve.ico
sphinx-build . ../html/
tutorials/tutorial.rst: tutorials/tutorial.t
python test2rst.py tutorials/
static/logo-evolve.ico: static/logo-evolve.svg
convert -resize 36x36 static/logo-evolve.svg static/logo-evolve.ico