commit 01f5214fec7462a9f51838b5773322ca7ff80f1f
author Bryan C. Mills <bcmills@google.com> Wed May 30 16:53:54 2018 -0400
committer Bryan C. Mills <bcmills@google.com> Thu May 31 18:02:37 2018 +0000
tree 16612e56f3b4f0dbb34848a4a9031ee63ff3ba5a
parent 11ce5df82e99ce4da84d00710a662364a5be81e1

cmd/racebuild: use multi-line match for README regexp

In https://golang.org/cl/115375 I had neglected to test against a
non-empty README file, and accidentally wrote a regexp that never
matches.

Change-Id: I676cb11abea7e0f5bf337aab640ebc2478295a9b
Reviewed-on: https://go-review.googlesource.com/115377
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

cmd/racebuild/racebuild.go

diff --git a/cmd/racebuild/racebuild.go b/cmd/racebuild/racebuild.go
index eaf474c..f48d7fe 100644
--- a/cmd/racebuild/racebuild.go
+++ b/cmd/racebuild/racebuild.go
@@ -392,7 +392,7 @@
 	// record it in the README.
 	updatedLine := fmt.Sprintf(readmeTmpl, syso, *flagRev, goRev)
 
-	lineRE, err := regexp.Compile("^" + fmt.Sprintf(readmeTmpl, regexp.QuoteMeta(syso), commitRE, commitRE) + "$")
+	lineRE, err := regexp.Compile("(?m)^" + fmt.Sprintf(readmeTmpl, regexp.QuoteMeta(syso), commitRE, commitRE) + "$")
 	if err != nil {
 		return err
 	}