Remove atomicfile class.
The interface provided by opener(atomic=True) is inherently unsafe:
if an exception is raised in the code using the atomic file, the
possibly incomplete file will be renamed to its final destination,
defeating the whole purpose of atomic files.
To get around this, we would either need some bad hacks involving
sys.exc_info (to make sure things work in except: blocks), or an
interface to say "file is complete; rename it".
This is the exact interface provided by atomictempfile. Since there
are no remaining users of the atomicfile class, just remove it.
#!/bin/sh
# check that renames are correctly saved by a commit after a merge
# test with the merge on 3 having the rename on the local parent
hg init a
cd a
echo line1 > foo
hg add foo
hg ci -m '0: add foo' -d '0 0'
echo line2 >> foo
hg ci -m '1: change foo' -d '0 0'
hg up -C 0
hg mv foo bar
rm bar
echo line0 > bar
echo line1 >> bar
hg ci -m '2: mv foo bar; change bar' -d '0 0'
hg merge 1
echo '% contents of bar should be line0 line1 line2'
cat bar
hg ci -m '3: merge with local rename' -d '0 0'
hg debugindex .hg/store/data/bar.i
hg debugrename bar
hg debugindex .hg/store/data/foo.i
# revert the content change from rev 2
hg up -C 2
rm bar
echo line1 > bar
hg ci -m '4: revert content change from rev 2' -d '0 0'
hg log --template '#rev#:#node|short# #parents#\n'
echo '% this should use bar@rev2 as the ancestor'
hg --debug merge 3
echo '% contents of bar should be line1 line2'
cat bar
hg ci -m '5: merge' -d '0 0'
hg debugindex .hg/store/data/bar.i
# same thing, but with the merge on 3 having the rename on the remote parent
echo
echo
cd ..
hg clone -U -r 1 -r 2 a b
cd b
hg up -C 1
hg merge 2
echo '% contents of bar should be line0 line1 line2'
cat bar
hg ci -m '3: merge with remote rename' -d '0 0'
hg debugindex .hg/store/data/bar.i
hg debugrename bar
hg debugindex .hg/store/data/foo.i
# revert the content change from rev 2
hg up -C 2
rm bar
echo line1 > bar
hg ci -m '4: revert content change from rev 2' -d '0 0'
hg log --template '#rev#:#node|short# #parents#\n'
echo '% this should use bar@rev2 as the ancestor'
hg --debug merge 3
echo '% contents of bar should be line1 line2'
cat bar
hg ci -m '5: merge' -d '0 0'
hg debugindex .hg/store/data/bar.i