[12/14] incubator-trafficcontrol git commit: update BUILD.md

[so...@apache.org]

update BUILD.md


Project: http://git-wip-us.apache.org/repos/asf/incubator-trafficcontrol/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-trafficcontrol/commit/bfcfb625
Tree: http://git-wip-us.apache.org/repos/asf/incubator-trafficcontrol/tree/bfcfb625
Diff: http://git-wip-us.apache.org/repos/asf/incubator-trafficcontrol/diff/bfcfb625

Branch: refs/heads/master
Commit: bfcfb625cabcebcc4d8975b711db5ea94772638a
Parents: 6dce731
Author: Dan Kirkwood <da...@gmail.com>
Authored: Wed Mar 1 10:57:12 2017 -0700
Committer: Phil Sorber <so...@apache.org>
Committed: Fri Mar 10 08:18:25 2017 -0700

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 BUILD.md | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)
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http://git-wip-us.apache.org/repos/asf/incubator-trafficcontrol/blob/bfcfb625/BUILD.md
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diff --git a/BUILD.md b/BUILD.md
index aabefe9..53dcdd9 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -11,19 +11,18 @@ are automatically loaded into the image used to build each component.
 
 ### Steps
 
-From the top level of the incubator-trafficcontrol directory.  Use the BRANCH
-environment variable to specify the version of Traffic Control to build.   One
-or more components (with \_build suffix added) can be added on the command
-line.
+From the top level of the incubator-trafficcontrol directory.  The source in
+the current directory is used for the process.   One or more components (with
+\_build suffix added) can be added on the command line.
 
 Clean up any previously-built docker containers:
 > $ docker-compose -f infrastructure/docker/build/docker-compose.yml down -v
 
 And images:
-> $ docker images | awk '/traffic\_.\*\_build/ { print $3 }' | xargs docker rmi -f
+> $ docker images | awk '/traffic\_.*\_build/ { print $3 }' | xargs docker rmi -f
 
 Create and run new build containers:
-> $ BRANCH=1.8.x docker-compose -f infrastructure/docker/build/docker-compose.yml up [ container name ...] 
+> $ docker-compose -f infrastructure/docker/build/docker-compose.yml up [ container name ...] 
 
 Container names can be one or more of these:
 * `traffic_monitor_build`