convert: use encoding.encoding instead of locale.getpreferredencoding()
The latter may not return useful results in certain OS X environments.
#!/bin/sh
hg init
cat > .hg/hgrc <<EOF
[encode]
not.gz = tr [:lower:] [:upper:]
*.gz = gzip -d
[decode]
not.gz = tr [:upper:] [:lower:]
*.gz = gzip
EOF
echo "this is a test" | gzip > a.gz
echo "this is a test" > not.gz
hg add *
hg ci -m "test" -d "1000000 0"
echo %% no changes
hg status
touch *
echo %% no changes
hg status
echo %% check contents in repo are encoded
hg debugdata .hg/store/data/a.gz.d 0
hg debugdata .hg/store/data/not.gz.d 0
echo %% check committed content was decoded
gunzip < a.gz
cat not.gz
rm *
hg co -C
echo %% check decoding of our new working dir copy
gunzip < a.gz
cat not.gz
echo %% check hg cat operation
hg cat a.gz
hg cat --decode a.gz | gunzip
mkdir subdir
cd subdir
hg -R .. cat ../a.gz
hg -R .. cat --decode ../a.gz | gunzip