handle bzr

env BZR_EMAIL='Russ Cox <rsc@google.com>'
env EMAIL='Russ Cox <rsc@google.com>'

bzr init-repo .

bzr init b
cd b
cp ../hello.go .
bzr add hello.go
bzr commit --commit-time='2017-09-21 21:20:12 -0400' -m 'hello world'
bzr push ..
cd ..
rm b

bzr log
cmp stdout .bzr-log

-- .bzr-log --
------------------------------------------------------------
revno: 1
committer: Russ Cox <rsc@google.com>
branch nick: b
timestamp: Thu 2017-09-21 21:20:12 -0400
message:
  hello world
-- hello.go --
package main

func main() {
	println("hello, world")
}