cmdutil: changeset_printer: use methods of filectx/changectx.
This allows extensions that modify changeset metadata (e.g.
description) by overriding methods of changectx to get consistent
behavior from all log-like commands, regardless of whether templates
or styles are used. Without this, overriding changectx methods works
if you use styles or templates, but not with default log format.
This meant adding filectx.extra() for consistency with changectx.
#!/bin/sh
echo "% init repo1"
hg init repo1
cd repo1
echo
echo "% add a; ci"
echo "some text" > a
hg add
hg ci -m first
echo
echo "% cat .hg/store/fncache"
cat .hg/store/fncache
echo
echo "% add a.i/b; ci"
mkdir a.i
echo "some other text" > a.i/b
hg add
hg ci -m second
echo
echo "% cat .hg/store/fncache"
cat .hg/store/fncache
echo
echo "% add a.i.hg/c; ci"
mkdir a.i.hg
echo "yet another text" > a.i.hg/c
hg add
hg ci -m third
echo
echo "% cat .hg/store/fncache"
cat .hg/store/fncache
echo
echo "% hg verify"
hg verify
echo
echo "% rm .hg/store/fncache"
rm .hg/store/fncache
echo
echo "% hg verify"
hg verify
# try non store repo encoding
cd ..
echo % non store repo
hg --config format.usestore=False init foo
cd foo
mkdir tst.d
echo foo > tst.d/foo
hg ci -Amfoo
find .hg | sort
cd ..
echo % non fncache repo
hg --config format.usefncache=False init bar
cd bar
mkdir tst.d
echo foo > tst.d/Foo
hg ci -Amfoo
find .hg | sort
exit 0