From d4ebb032a9e3abd0af263b15b6355c636d1db363 Mon Sep 17 00:00:00 2001
From: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
Date: Thu, 8 Feb 2018 12:08:05 +0100
Subject: [PATCH 1/3] Sort the issues by severity in descending order before
 creating the report

---
 cmd/gas/main.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/cmd/gas/main.go b/cmd/gas/main.go
index 80208ea..bfbe676 100644
--- a/cmd/gas/main.go
+++ b/cmd/gas/main.go
@@ -79,6 +79,9 @@ var (
 	// log to file or stderr
 	flagLogfile = flag.String("log", "", "Log messages to file rather than stderr")
 
+	// sort the issues by severity
+	flagSortIssues = flag.Bool("sort", true, "Sort issues by severity")
+
 	logger *log.Logger
 )
 
@@ -231,6 +234,11 @@ func main() {
 		os.Exit(0)
 	}
 
+	// Sort the issue by severity
+	if *flagSortIssues {
+		sort.Slice(issues, func(i, j int) bool { return (issues[i].Severity > issues[j].Severity) })
+	}
+
 	// Create output report
 	if err := saveOutput(*flagOutput, *flagFormat, issues, metrics); err != nil {
 		logger.Fatal(err)

From 84bfbbfd8c8867536218ab5b096d8790cbb36a88 Mon Sep 17 00:00:00 2001
From: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
Date: Sat, 10 Feb 2018 19:45:04 +0100
Subject: [PATCH 2/3] Switch to sort Interface to be backward compatible with
 older go versions

---
 cmd/gas/main.go        |  2 +-
 cmd/gas/sort_issues.go | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 cmd/gas/sort_issues.go

diff --git a/cmd/gas/main.go b/cmd/gas/main.go
index bfbe676..03dc30c 100644
--- a/cmd/gas/main.go
+++ b/cmd/gas/main.go
@@ -236,7 +236,7 @@ func main() {
 
 	// Sort the issue by severity
 	if *flagSortIssues {
-		sort.Slice(issues, func(i, j int) bool { return (issues[i].Severity > issues[j].Severity) })
+		sortIssues(issues)
 	}
 
 	// Create output report
diff --git a/cmd/gas/sort_issues.go b/cmd/gas/sort_issues.go
new file mode 100644
index 0000000..5557f96
--- /dev/null
+++ b/cmd/gas/sort_issues.go
@@ -0,0 +1,20 @@
+package main
+
+import (
+	"sort"
+
+	"github.com/GoASTScanner/gas"
+)
+
+type sortBySeverity []*gas.Issue
+
+func (s sortBySeverity) Len() int { return len(s) }
+
+func (s sortBySeverity) Less(i, j int) bool { return s[i].Severity > s[i].Severity }
+
+func (s sortBySeverity) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
+
+// sortIssues sorts the issues by severity in descending order
+func sortIssues(issues []*gas.Issue) {
+	sort.Sort(sortBySeverity(issues))
+}

From e15c057349dd08da4de85dac639f30c682bcb14d Mon Sep 17 00:00:00 2001
From: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
Date: Sat, 10 Feb 2018 19:46:39 +0100
Subject: [PATCH 3/3] Update the build file to validate gas from go version 1.7
 onward

---
 .travis.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 37924cd..d14b1cf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,9 @@ language: go
 before_script:
   - go vet $(go list ./... | grep -v /vendor/)
 go:
-  - 1.5
+  - 1.7
+  - 1.8
+  - 1.9
   - tip
 install:
   - go get -v github.com/onsi/ginkgo/ginkgo