view tests/test-check-flake8.t @ 3527:7b4d1bfb6b7d

grab: gracefully handle the case when we try to grab parent of wdir

Before this patch, we go all the way down to obsmarker creation logic and gets
an error saying that changeset cannot obsolete itself. We should be more smart
here and error out early saying we cannot grab that changeset.

#require test-repo

  $ checkflake8() {
  >   if ! (which flake8 > /dev/null); then
  >     echo skipped: missing tool: flake8;
  >     exit 80;
  >   fi;
  > };
  $ checkflake8

Copied from Mercurial core (60ee2593a270)

  $ cd "`dirname "$TESTDIR"`"

run flake8 if it exists; if it doesn't, then just skip

  $ hg files -0 'set:(**.py or grep("^#!.*python")) - removed()' \
  > -X hgext3rd/evolve/thirdparty \
  > 2>/dev/null \
  > | xargs -0 flake8