Add gometalinter to pre-commit hook

Enable varcheck and fix found issues

Add ineffassign to list of checks and fix found issues

Added nakedret and fixed found issues

Add interfacer check and fix found issue

Add lll and fix found issues

Add deadcode linter, remove unused code

bin/pre-commit.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
+set -e
 
 # Make sure, we run in the root of the repo and
 # therefore run the tests on all packages
@@ -36,14 +37,27 @@ function testGoCyclo {
   diff <(echo -n) <(go_dirs | xargs -0 gocyclo -over 15)
 }
 
-function testGoImports {
-  diff -u <(echo -n) <(go_dirs | xargs -0 goimports -l)
-}
-
 function testGoLint {
   diff -u <(echo -n) <(go_dirs | xargs -0 golint --min_confidence 0.85 )
 }
 
+function testGoMetalinter {
+  diff -u <(echo -n) <(go_dirs | xargs -0 gometalinter.v2 --disable-all --deadline 5m \
+  --enable=misspell \
+  --enable=structcheck \
+  --enable=deadcode \
+  --enable=goimports \
+  --enable=varcheck \
+  --enable=goconst \
+  --enable=ineffassign \
+  --enable=nakedret \
+  --enable=interfacer \
+  --enable=misspell \
+  --line-length=170 --enable=lll \
+  --dupl-threshold=400 --enable=dupl)
+}
+
+
 function testGoVet {
   go vet -all ./...
 }
@@ -57,7 +71,7 @@ function testExamples {
 }
 
 runTest testGoFmt
-runTest testGoImports
+runTest testGoMetalinter
 runTest testGoLint
 runTest testGoVet
 runTest testGoCyclo