Add gomft -s flag

Adds code simplifications. Recommended online somewhere.

build.sh

@@ -2,7 +2,7 @@
 
 if [ -z ${CI+x} ]; then
     # Local build, not in CI, format source
-    go fmt .
+    gofmt -s -w .
 fi
 
 VERSION="$(git describe --tags --dirty --always)"

test.sh

@@ -9,8 +9,8 @@ grep -En 'Background\([1-9]' ./*.go ./*/*.go && exit 1
 # Compile test first
 ./build.sh
 
-# Linting first
-MISFORMATTED="$(gofmt -l .)"
+# Linting
+MISFORMATTED="$(gofmt -l -s .)"
 if [ -n "$MISFORMATTED" ]; then
   echo >&2 "==="
   echo >&2 "ERROR: The following files are not formatted, run './build.sh', './test.sh' or 'go fmt .' to fix:"
@@ -19,6 +19,10 @@ if [ -n "$MISFORMATTED" ]; then
   exit 1
 fi
 
+# FIXME: Add "go vet", catches fmt-placeholders-vs-args problems
+# FIXME: Add https://staticcheck.io/docs/
+# FIXME: Add https://github.com/kisielk/errcheck
+
 # Unit tests first
 go test -timeout 20s ./...