Make goss compile on windows and enable travis tests on windows.

.travis.yml

@@ -6,16 +6,20 @@ go:
 sudo: required
 dist: trusty
 
+os:
+- linux
+- windows
+
 services:
 - docker
 
 before_install:
+- if [ "$TRAVIS_OS_NAME" == "windows" ]; then choco install make; fi
 - go get -u golang.org/x/lint/golint
-- DEP_RELEASE_TAG=0.5.0 curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
 
 script:
-- make deps
-- make
+# TODO(ENG-1523): windows does not currently support test-int-*, only unit tests executed from make.
+- if [ "$TRAVIS_OS_NAME" == "windows" ]; then make lint test; else make; fi
 
 deploy:
   provider: releases

Makefile

@@ -5,8 +5,9 @@ pkgs = $(shell ./novendor.sh)
 cmd = goss
 TRAVIS_TAG ?= "0.0.0"
 GO_FILES = $(shell find . \( -path ./vendor -o -name '_test.go' \) -prune -o -name '*.go' -print)
+GO111MODULE=on
 
-.PHONY: all build install test coverage deps release bench test-int lint gen centos7 wheezy precise alpine3 arch test-int32 centos7-32 wheezy-32 precise-32 alpine3-32 arch-32
+.PHONY: all build install test coverage release bench test-int lint gen centos7 wheezy precise alpine3 arch test-int32 centos7-32 wheezy-32 precise-32 alpine3-32 arch-32
 
 all: test-all test-all-32
 
@@ -91,10 +92,6 @@ arch: build
 test-all-32: lint test test-int-32
 test-all: lint test test-int
 
-deps:
-	$(info INFO: Starting build $@)
-	dep ensure
-
 gen:
 	$(info INFO: Starting build $@)
 	go generate -tags genny $(pkgs)

go.mod

@@ -0,0 +1,20 @@
+module github.com/aelsabbahy/goss
+
+require (
+	github.com/achanda/go-sysctl v0.0.0-20160222034550-6be7678c45d2
+	github.com/aelsabbahy/GOnetstat v0.0.0-20160428114218-edf89f784e08
+	github.com/aelsabbahy/go-ps v0.0.0-20170721000941-443386855ca1
+	github.com/cheekybits/genny v0.0.0-20160824153601-e8e29e67948b
+	github.com/docker/docker v0.0.0-20161109014415-383a2f046b16
+	github.com/fatih/color v0.0.0-20161025120501-bf82308e8c85
+	github.com/mattn/go-colorable v0.0.9
+	github.com/mattn/go-isatty v0.0.4
+	github.com/miekg/dns v0.0.0-20161018060808-58f52c57ce9d
+	github.com/oleiade/reflections v0.0.0-20160817071559-0e86b3c98b2f
+	github.com/onsi/gomega v0.0.0-20161031154339-ff4bc6b6f9f5
+	github.com/opencontainers/runc v0.0.0-20161107232042-8779fa57eb4a
+	github.com/patrickmn/go-cache v2.0.0+incompatible
+	github.com/urfave/cli v0.0.0-20161102131801-d86a009f5e13
+	golang.org/x/sys v0.0.0-20181210030007-2a47403f2ae5
+	gopkg.in/yaml.v2 v2.0.0-20160928153709-a5b47d31c556
+)

system/file.go

@@ -9,7 +9,6 @@ import (
 	"path/filepath"
 	"strconv"
 	"strings"
-	"syscall"
 
 	"github.com/aelsabbahy/goss/util"
 	"github.com/opencontainers/runc/libcontainer/user"
@@ -84,22 +83,6 @@ func (f *DefFile) Contains() (io.Reader, error) {
 	return fh, nil
 }
 
-func (f *DefFile) Mode() (string, error) {
-	if err := f.setup(); err != nil {
-		return "", err
-	}
-
-	fi, err := os.Lstat(f.realPath)
-	if err != nil {
-		return "", err
-	}
-
-	sys := fi.Sys()
-	stat := sys.(*syscall.Stat_t)
-	mode := fmt.Sprintf("%04o", (stat.Mode & 07777))
-	return mode, nil
-}
-
 func (f *DefFile) Size() (int, error) {
 	if err := f.setup(); err != nil {
 		return 0, err
@@ -145,42 +128,6 @@ func (f *DefFile) Filetype() (string, error) {
 	return "file", nil
 }
 
-func (f *DefFile) Owner() (string, error) {
-	if err := f.setup(); err != nil {
-		return "", err
-	}
-
-	fi, err := os.Lstat(f.realPath)
-	if err != nil {
-		return "", err
-	}
-
-	uidS := fmt.Sprint(fi.Sys().(*syscall.Stat_t).Uid)
-	uid, err := strconv.Atoi(uidS)
-	if err != nil {
-		return "", err
-	}
-	return getUserForUid(uid)
-}
-
-func (f *DefFile) Group() (string, error) {
-	if err := f.setup(); err != nil {
-		return "", err
-	}
-
-	fi, err := os.Lstat(f.realPath)
-	if err != nil {
-		return "", err
-	}
-
-	gidS := fmt.Sprint(fi.Sys().(*syscall.Stat_t).Gid)
-	gid, err := strconv.Atoi(gidS)
-	if err != nil {
-		return "", err
-	}
-	return getGroupForGid(gid)
-}
-
 func (f *DefFile) LinkedTo() (string, error) {
 	if err := f.setup(); err != nil {
 		return "", err