From f3360e61e108436941e7209219973be8edb11021 Mon Sep 17 00:00:00 2001
From: Tom Wilkie <tom@weave.works>
Date: Wed, 30 Sep 2015 08:01:02 +0000
Subject: [PATCH] Remove cover tool, this lives in tools.git now.

---
 Makefile                     | 10 ++--
 test/gen_coverage_reports.sh |  2 +-
 testing/cover/cover.go       | 97 ------------------------------------
 3 files changed, 5 insertions(+), 104 deletions(-)
 delete mode 100644 testing/cover/cover.go

diff --git a/Makefile b/Makefile
index 02ab27c5..3498f500 100644
--- a/Makefile
+++ b/Makefile
@@ -16,10 +16,9 @@ WEAVEWAIT_EXE=prog/weavewait/weavewait
 WEAVEHOSTS_EXE=prog/weavehosts/weavehosts
 NETCHECK_EXE=prog/netcheck/netcheck
 DOCKERTLSARGS_EXE=prog/docker_tls_args/docker_tls_args
-COVER_EXE=testing/cover/cover
 RUNNER_EXE=testing/runner/runner
 
-EXES=$(WEAVER_EXE) $(SIGPROXY_EXE) $(WEAVEPROXY_EXE) $(WEAVEWAIT_EXE) $(WEAVEHOSTS_EXE) $(NETCHECK_EXE) $(DOCKERTLSARGS_EXE) $(COVER_EXE) $(RUNNER_EXE)
+EXES=$(WEAVER_EXE) $(SIGPROXY_EXE) $(WEAVEPROXY_EXE) $(WEAVEWAIT_EXE) $(WEAVEHOSTS_EXE) $(NETCHECK_EXE) $(DOCKERTLSARGS_EXE) $(RUNNER_EXE)
 
 WEAVER_UPTODATE=.weaver.uptodate
 WEAVEEXEC_UPTODATE=.weaveexec.uptodate
@@ -46,7 +45,7 @@ NETGO_CHECK=@strings $@ | grep cgo_stub\\\.go >/dev/null || { \
 }
 BUILD_FLAGS=-ldflags "-extldflags \"-static\" -X main.version $(WEAVE_VERSION)" -tags netgo
 
-all: $(WEAVE_EXPORT) $(COVER_EXE) $(RUNNER_EXE)
+all: $(WEAVE_EXPORT) $(RUNNER_EXE)
 
 travis: $(EXES)
 
@@ -78,11 +77,10 @@ $(NETCHECK_EXE): prog/netcheck/netcheck.go
 $(SIGPROXY_EXE): prog/sigproxy/main.go
 $(WEAVEWAIT_EXE): prog/weavewait/main.go net/*.go
 $(WEAVEHOSTS_EXE): prog/weavehosts/weavehosts.go
-$(COVER_EXE): testing/cover/cover.go
 $(RUNNER_EXE): testing/runner/runner.go
 $(DOCKERTLSARGS_EXE): prog/docker_tls_args/*.go
 
-$(WEAVEWAIT_EXE) $(SIGPROXY_EXE) $(WEAVEHOSTS_EXE) $(COVER_EXE) $(RUNNER_EXE) $(DOCKERTLSARGS_EXE):
+$(WEAVEWAIT_EXE) $(SIGPROXY_EXE) $(WEAVEHOSTS_EXE) $(RUNNER_EXE) $(DOCKERTLSARGS_EXE):
 	go get -tags netgo ./$(@D)
 	go build $(BUILD_FLAGS) -o $@ ./$(@D)
 
@@ -108,7 +106,7 @@ $(WEAVE_EXPORT): $(IMAGES_UPTODATE)
 $(DOCKER_DISTRIB):
 	curl -o $(DOCKER_DISTRIB) $(DOCKER_DISTRIB_URL)
 
-tests: $(COVER_EXE) tools/.git
+tests: tools/.git
 	tools/test
 
 lint: tools/.git
diff --git a/test/gen_coverage_reports.sh b/test/gen_coverage_reports.sh
index 567cb0f3..8f9f3816 100755
--- a/test/gen_coverage_reports.sh
+++ b/test/gen_coverage_reports.sh
@@ -9,7 +9,7 @@ if [ -n "$CIRCLECI" ]; then
     done
 fi
 
-$DIR/../testing/cover/cover
+go get github.com/weaveworks/build-tools/cover
 cover ./coverage/* >profile.cov
 go tool cover -html=profile.cov -o coverage.html
 go tool cover -func=profile.cov -o coverage.txt
diff --git a/testing/cover/cover.go b/testing/cover/cover.go
deleted file mode 100644
index 4c5fcfd7..00000000
--- a/testing/cover/cover.go
+++ /dev/null
@@ -1,97 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-	"sort"
-
-	"golang.org/x/tools/cover"
-)
-
-func merge(p1, p2 *cover.Profile) *cover.Profile {
-	output := cover.Profile{
-		FileName: p1.FileName,
-		Mode:     p1.Mode,
-	}
-
-	i, j := 0, 0
-	for i < len(p1.Blocks) && j < len(p2.Blocks) {
-		bi, bj := p1.Blocks[i], p2.Blocks[j]
-		if bi.StartLine == bj.StartLine && bi.StartCol == bj.StartCol {
-
-			if bi.EndLine != bj.EndLine ||
-				bi.EndCol != bj.EndCol ||
-				bi.NumStmt != bj.NumStmt {
-				panic("Not run on same source!")
-			}
-
-			output.Blocks = append(output.Blocks, cover.ProfileBlock{
-				StartLine: bi.StartLine,
-				StartCol:  bi.StartCol,
-				EndLine:   bi.EndLine,
-				EndCol:    bi.EndCol,
-				NumStmt:   bi.NumStmt,
-				Count:     bi.Count + bj.Count,
-			})
-			i++
-			j++
-		} else if bi.StartLine < bj.StartLine || bi.StartLine == bj.StartLine && bi.StartCol < bj.StartCol {
-			output.Blocks = append(output.Blocks, bi)
-			i++
-		} else {
-			output.Blocks = append(output.Blocks, bj)
-			j++
-		}
-	}
-
-	for ; i < len(p1.Blocks); i++ {
-		output.Blocks = append(output.Blocks, p1.Blocks[i])
-	}
-
-	for ; j < len(p2.Blocks); j++ {
-		output.Blocks = append(output.Blocks, p2.Blocks[j])
-	}
-
-	return &output
-}
-
-func print(profiles []*cover.Profile) {
-	fmt.Println("mode: atomic")
-	for _, profile := range profiles {
-		for _, block := range profile.Blocks {
-			fmt.Printf("%s:%d.%d,%d.%d %d %d\n", profile.FileName, block.StartLine, block.StartCol,
-				block.EndLine, block.EndCol, block.NumStmt, block.Count)
-		}
-	}
-}
-
-// Copied from https://github.com/golang/tools/blob/master/cover/profile.go
-type byFileName []*cover.Profile
-
-func (p byFileName) Len() int           { return len(p) }
-func (p byFileName) Less(i, j int) bool { return p[i].FileName < p[j].FileName }
-func (p byFileName) Swap(i, j int)      { p[i], p[j] = p[j], p[i] }
-
-func main() {
-	outputProfiles := map[string]*cover.Profile{}
-	for _, input := range os.Args[1:] {
-		inputProfiles, err := cover.ParseProfiles(input)
-		if err != nil {
-			panic(fmt.Sprintf("Error parsing %s: %v", input, err))
-		}
-		for _, ip := range inputProfiles {
-			op := outputProfiles[ip.FileName]
-			if op == nil {
-				outputProfiles[ip.FileName] = ip
-			} else {
-				outputProfiles[ip.FileName] = merge(op, ip)
-			}
-		}
-	}
-	profiles := make([]*cover.Profile, 0, len(outputProfiles))
-	for _, profile := range outputProfiles {
-		profiles = append(profiles, profile)
-	}
-	sort.Sort(byFileName(profiles))
-	print(profiles)
-}