view tests/test-issue436.t @ 12695:05077896ffe2

pager: don't run pager if nothing is written to stdout/stderr

This decides when to run the pager based on the first call to
ui.write() and ui.write_err(). This has the side effect of not the
output of subprocesses that write output before hg does.

http://mercurial.selenic.com/bts/issue436

  $ hg init
  $ hg -v log -v
  $ hg -v log -v x