* man/rake.1: Document ENVIRONMENT variables on RAKE(1) manpage

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39633 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Fri Mar  8 12:00:00 2013  Zachary Scott  <zachary@zacharyscott.net>
+
+	* man/rake.1: Document ENVIRONMENT variables on RAKE(1) manpage
+
 Fri Mar  8 10:44:00 2013  Zachary Scott  <zachary@zacharyscott.net>
 
 	* lib/webrick/httpproxy.rb: Fix typos in HTTPProxyServer [Bug #8013]

man/rake.1

@@ -152,6 +152,41 @@ Trace the rules resolution.
 .Pp
 .El
 .Pp
+.Sh ENVIRONMENT
+.Bl -tag -width "RAKE_SYSTEM" -compact
+.It Ev RAKE_SYSTEM
+The directory path containing the system wide rakefiles.
+.Pp
+.It Ev RAKE_COLUMNS
+Override the number of columns used for output, such as
+.Fl Fl tasks
+.Pp
+.It Ev RAKEOPT
+Used to provide default command line arguments to Rake.
+.Pp
+.It Ev TAGS
+Generate an Emacs TAGS file
+.Pp
+.It Ev TEST
+The list of test files will be overridden to include only the filename specified on the command line.
+.Pp
+This provides an easy way to run just one test.
+.Pp
+.It Ev TESTOPTS
+.It Ev TESTOPT
+.It Ev TEST_OPTS
+.It Ev TEST_OPT
+The given options are passed to the test process after a
+.Fl Fl
+.Pp
+This allows Test::Unit options to be passed to the test suite.
+.Pp
+.It Ev USERPROFILE
+.It Ev HOME
+.It Ev HOMEDRIVE
+.It Ev HOMEPATH
+The standard directory containing system wide rake files on Win 32 systems.
+
 .Sh SEE ALSO
 .Xr ruby 1
 .Xr make 1