Fixes cross-compiling, adds a new build script

Makefile

@@ -1,37 +0,0 @@
-# builds .rpm and .deb packages
-# requires dockerd to be running
-# builds the packages for amd64
-
-VERSION=$(shell go run main.go -V)
-ARCHIVE="gotop_$(VERSION)_linux_amd64"
-
-.PHONY: all
-all: dist/gotop.rpm dist/gotop.deb
-
-dist/gotop:
-	@GOOS=linux GOARCH=amd64 go build -o $@
-
-dist:
-	@mkdir $@
-
-dist/gotop.rpm: dist dist/gotop
-	@docker run --rm \
-	-v "$(PWD)/build:/tmp/build" \
-	-v "$(PWD)/dist:/tmp/dist" \
-	-e "VERSION=$(VERSION)" \
-	goreleaser/nfpm pkg \
-		--config /tmp/build/nfpm.yml \
-		--target /tmp/dist/$(ARCHIVE).rpm
-
-dist/gotop.deb: dist dist/gotop
-	@docker run --rm \
-	-v "$(PWD)/build:/tmp/build" \
-	-v "$(PWD)/dist:/tmp/dist" \
-	-e "VERSION=$(VERSION)" \
-	goreleaser/nfpm pkg \
-		--config /tmp/build/nfpm.yml \
-		--target /tmp/dist/$(ARCHIVE).deb
-
-.PHONY: clean
-clean:
-	@-rm -rf dist

go.mod

@@ -2,18 +2,20 @@ module github.com/xxxserxxx/gotop
 
 require (
 	github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d // indirect
+	github.com/cjbassi/drawille-go v0.1.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/distatus/battery v0.9.0
+	github.com/distatus/battery v0.10.0
 	github.com/docopt/docopt.go v0.0.0-20180111231733-ee0de3bc6815
-	github.com/gizak/termui/v3 v3.0.0
+	github.com/gizak/termui/v3 v3.1.0
 	github.com/go-ole/go-ole v1.2.4 // indirect
-	github.com/mattn/go-runewidth v0.0.4
+	github.com/mattn/go-runewidth v0.0.8
 	github.com/mitchellh/go-wordwrap v1.0.0 // indirect
-	github.com/shirou/gopsutil v2.18.11+incompatible
+	github.com/nsf/termbox-go v0.0.0-20200204031403-4d2b513ad8be // indirect
+	github.com/shirou/gopsutil v2.20.1+incompatible
 	github.com/shirou/w32 v0.0.0-20160930032740-bb4de0191aa4 // indirect
 	github.com/stretchr/testify v1.4.0
+	golang.org/x/arch v0.0.0-20181203225421-5a4828bb7045 // indirect
 	golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4 // indirect
-	howett.net/plist v0.0.0-20181124034731-591f970eefbb // indirect
 )
 
 go 1.13

go.sum

@@ -2,16 +2,21 @@ github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d h1:G0m3OIz70MZUW
 github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
 github.com/cjbassi/drawille-go v0.0.0-20190126131713-27dc511fe6fd h1:XtfPmj9tQRilnrEmI1HjQhxXWRhEM+m8CACtaMJE/kM=
 github.com/cjbassi/drawille-go v0.0.0-20190126131713-27dc511fe6fd/go.mod h1:vjcQJUZJYD3MeVGhtZXSMnCHfUNZxsyYzJt90eCYxK4=
+github.com/cjbassi/drawille-go v0.1.0/go.mod h1:vjcQJUZJYD3MeVGhtZXSMnCHfUNZxsyYzJt90eCYxK4=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/distatus/battery v0.9.0 h1:8NS5o00/j3Oh2xgocA6pQROTp5guoR+s8CZlWzHC4QM=
 github.com/distatus/battery v0.9.0/go.mod h1:gGO7GxHTi1zlRT+cAj8uGG0/8HFiqAeH0TJvoipnuPs=
+github.com/distatus/battery v0.10.0 h1:YbizvmV33mqqC1fPCAEaQGV3bBhfYOfM+2XmL+mvt5o=
+github.com/distatus/battery v0.10.0/go.mod h1:STnSvFLX//eEpkaN7qWRxCWxrWOcssTDgnG4yqq9BRE=
 github.com/docopt/docopt.go v0.0.0-20180111231733-ee0de3bc6815 h1:HMAfwOa33y82IaQEKQDfUCiwNlxtM1iw7HLM9ru0RNc=
 github.com/docopt/docopt.go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:l7JNRynTRuqe45tpIyItHNqZWTxywYjp87MWTOnU5cg=
 github.com/gizak/termui/v3 v3.0.0 h1:NYTUG6ig/sJK05O5FyhWemwlVPO8ilNpvS/PgRtrKAE=
 github.com/gizak/termui/v3 v3.0.0/go.mod h1:uinu2dMdtMI+FTIdEFUJQT5y+KShnhQRshvPblXq3lY=
+github.com/gizak/termui/v3 v3.1.0 h1:ZZmVDgwHl7gR7elfKf1xc4IudXZ5qqfDh4wExk4Iajc=
+github.com/gizak/termui/v3 v3.1.0/go.mod h1:bXQEBkJpzxUAKf0+xq9MSWAvWZlE7c+aidmyFlkYTrY=
 github.com/go-ole/go-ole v1.2.4 h1:nNBDSCOigTSiarFpYE9J/KtEA1IOW4CNeqT9TQDqCxI=
 github.com/go-ole/go-ole v1.2.4/go.mod h1:XCwSNxSkXRo4vlyPy93sltvi/qJq0jqQhjqQNIwKuxM=
 github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
@@ -24,16 +29,22 @@ github.com/mattn/go-runewidth v0.0.2 h1:UnlwIPBGaTZfPQ6T1IGzPI0EkYAQmT9fAEJ/poFC
 github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
 github.com/mattn/go-runewidth v0.0.4 h1:2BvfKmzob6Bmd4YsL0zygOqfdFnK7GR4QL06Do4/p7Y=
 github.com/mattn/go-runewidth v0.0.4/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
+github.com/mattn/go-runewidth v0.0.8 h1:3tS41NlGYSmhhe/8fhGRzc+z3AYCw1Fe1WAyLuujKs0=
+github.com/mattn/go-runewidth v0.0.8/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
 github.com/mitchellh/go-wordwrap v0.0.0-20150314170334-ad45545899c7 h1:DpOJ2HYzCv8LZP15IdmG+YdwD2luVPHITV96TkirNBM=
 github.com/mitchellh/go-wordwrap v0.0.0-20150314170334-ad45545899c7/go.mod h1:ZXFpozHsX6DPmq2I0TCekCxypsnAUbP2oI0UX1GXzOo=
 github.com/mitchellh/go-wordwrap v1.0.0 h1:6GlHJ/LTGMrIJbwgdqdl2eEH8o+Exx/0m8ir9Gns0u4=
 github.com/mitchellh/go-wordwrap v1.0.0/go.mod h1:ZXFpozHsX6DPmq2I0TCekCxypsnAUbP2oI0UX1GXzOo=
 github.com/nsf/termbox-go v0.0.0-20190121233118-02980233997d h1:x3S6kxmy49zXVVyhcnrFqxvNVCBPb2KZ9hV2RBdS840=
 github.com/nsf/termbox-go v0.0.0-20190121233118-02980233997d/go.mod h1:IuKpRQcYE1Tfu+oAQqaLisqDeXgjyyltCfsaoYN18NQ=
+github.com/nsf/termbox-go v0.0.0-20200204031403-4d2b513ad8be h1:yzmWtPyxEUIKdZg4RcPq64MfS8NA6A5fNOJgYhpR9EQ=
+github.com/nsf/termbox-go v0.0.0-20200204031403-4d2b513ad8be/go.mod h1:IuKpRQcYE1Tfu+oAQqaLisqDeXgjyyltCfsaoYN18NQ=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/shirou/gopsutil v2.18.11+incompatible h1:PMFTKnFTr/YTRW5rbLK4vWALV3a+IGXse5nvhSjztmg=
 github.com/shirou/gopsutil v2.18.11+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
+github.com/shirou/gopsutil v2.20.1+incompatible h1:oIq9Cq4i84Hk8uQAUOG3eNdI/29hBawGrD5YRl6JRDY=
+github.com/shirou/gopsutil v2.20.1+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
 github.com/shirou/w32 v0.0.0-20160930032740-bb4de0191aa4 h1:udFKJ0aHUL60LboW/A+DfgoHVedieIzIXE8uylPue0U=
 github.com/shirou/w32 v0.0.0-20160930032740-bb4de0191aa4/go.mod h1:qsXQc7+bwAM3Q1u/4XEfrquwF8Lw7D7y5cD8CuHnfIc=
 github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
@@ -42,6 +53,7 @@ github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJy
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 golang.org/x/arch v0.0.0-20181203225421-5a4828bb7045 h1:Pn8fQdvx+z1avAi7fdM2kRYWQNxGlavNDSyzrQg2SsU=
 golang.org/x/arch v0.0.0-20181203225421-5a4828bb7045/go.mod h1:cYlCBUl1MsqxdiKgmc4uh7TxZfWSFLOGSRR090WDxt8=
+golang.org/x/sys v0.0.0-20190912141932-bc967efca4b8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4 h1:sfkvUWPNGwSV+8/fNqctR5lS2AqCSqYwXdrjCxp/dXo=
 golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=

logging/logging_arm64.go

@@ -1,3 +1,5 @@
+// +build arm64
+
 package logging
 
 import (

logging/logging_other.go

@@ -1,3 +1,4 @@
+// +build linux openbsd freebsd
 // +build !arm64
 
 package logging

logging/logging_windows.go

@@ -0,0 +1,18 @@
+// +build windows
+
+package logging
+
+import (
+	"os"
+	"syscall"
+)
+
+var (
+	kernel32         = syscall.MustLoadDLL("kernel32.dll")
+	procSetStdHandle = kernel32.MustFindProc("SetStdHandle")
+)
+
+func stderrToLogfile(logfile *os.File) {
+	// https://groups.google.com/d/msg/golang-nuts/fG8hEAs7ZXs/tahEOuCEPn0J.
+	syscall.Syscall(procSetStdHandle.Addr(), 2, uintptr(logfile.Fd()), 2, 0)
+}

make.sh

@@ -0,0 +1,75 @@
+#!/bin/bash
+
+export VERSION=$(go run ./cmd/gotop -V)
+
+rm -f build.log
+
+function candz() {
+	export GOOS=$1
+	export GOARCH=$2
+	OUT=build/gotop_${VERSION}_${GOOS}_${GOARCH}
+	if [[ -n $3 ]]; then
+		export GOARM=$3
+		OUT=${OUT}_v${GOARM}
+	fi
+	OUT=${OUT}.zip
+	if [[ -e $OUT ]]; then
+		echo SKIP $OUT
+		return
+	fi
+	D=build/gotop
+	if [[ $GOOS == "windows" ]]; then
+		D=${D}.exe
+	fi
+	go build -o $D ./cmd/gotop >> build.log 2>&1 
+	unset GOOS GOARCH GOARM CGO_ENABLED
+	if [[ $? -ne 0 ]]; then
+		printenv | grep GO >> build.log
+		echo "############### FAILED ###############" >> build.log
+		echo >> build.log
+		echo >> build.log
+		echo FAILED $OUT
+		return
+	fi
+	cd build
+	zip $(basename $OUT) $(basename $D) >> ../build.log 2>&1
+	cd ..
+	rm -f $D
+	if [[ $? -ne 0 ]]; then
+		echo "############### FAILED ###############" >> build.log
+		echo >> build.log
+		echo >> build.log
+		echo FAILED $OUT
+		return
+	fi
+	echo BUILT $OUT
+}
+
+candz linux arm64
+for x in 5 6 7; do
+	candz linux arm $x
+done
+for x in 386 amd64; do
+	candz linux $x
+
+	sed -i "s/arch: .*/arch: \"${x}\"/" build/nfpm.yml
+	for y in rpm deb; do
+		OUT=build/gotop_${VERSION}_linux_${x}.${y}
+		if [[ -e $OUT ]]; then
+			echo SKIP $OUT
+		else
+			echo Building $OUT
+			nfpm pkg -t ${OUT} -f build/nfpm.yml
+		fi
+	done
+
+	candz windows $x
+	candz freebsd $x
+
+	export CGO_ENABLED=1
+	candz darwin $x
+	candz openbsd $x
+	unset CGO_ENABLED
+done
+
+rm -f build/gotop

widgets/temp_darwin.go

@@ -1,3 +1,5 @@
+// +build darwin
+
 package widgets
 
 // #cgo LDFLAGS: -framework IOKit

widgets/temp_freebsd.go

@@ -1,3 +1,5 @@
+// +build freebsd
+
 package widgets
 
 import (

widgets/temp_linux.go

@@ -1,3 +1,5 @@
+// +build linux
+
 package widgets
 
 import (

widgets/temp_openbsd.go

@@ -1,3 +1,5 @@
+// +build openbsd
+
 package widgets
 
 // loosely based on https://github.com/openbsd/src/blob/master/sbin/sysctl/sysctl.c#L2517

widgets/temp_windows.go

@@ -1,3 +1,5 @@
+// +build windows
+
 package widgets
 
 import (