Test encode/decode filters

  $ hg init repo

  $ cd repo

  $ 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"

no changes

  $ hg status

  $ touch *

no changes

  $ hg status

check contents in repo are encoded

  $ hg debugdata a.gz 0

  this is a test

  $ hg debugdata not.gz 0

  THIS IS A TEST

check committed content was decoded

  $ gunzip < a.gz

  this is a test

  $ cat not.gz

  this is a test

  $ rm *

  $ hg co -C

  2 files updated, 0 files merged, 0 files removed, 0 files unresolved

check decoding of our new working dir copy

  $ gunzip < a.gz

  this is a test

  $ cat not.gz

  this is a test

check hg cat operation

  $ hg cat a.gz

  this is a test

  $ hg cat --decode a.gz | gunzip

  this is a test

  $ mkdir subdir

  $ cd subdir

  $ hg -R .. cat ../a.gz

  this is a test

  $ hg -R .. cat --decode ../a.gz | gunzip

  this is a test

  $ cd ..

check tempfile filter

  $ hg cat a.gz --decode --config 'decode.*.gz=tempfile:gzip -c INFILE > OUTFILE' | gunzip

  this is a test

  $ hg cat a.gz --decode --config 'decode.*.gz=tempfile:sh -c "exit 1"'

  abort: command '*' failed: exited with status 1 (glob)

  [255]

  $ cd ..