Add release script, bump to version v0.2.0

.gitignore

@@ -1,2 +1,3 @@
 /chantools
-results
+results
+/chantools-v*

Makefile

@@ -18,9 +18,38 @@ GOINSTALL := GO111MODULE=on go install -v
 GOTEST := GO111MODULE=on go test -v
 XARGS := xargs -L 1
 
+VERSION_TAG = $(shell git describe --tags)
+VERSION_CHECK = @$(call print, "Building master with date version tag")
+
+BUILD_SYSTEM = darwin-386 \
+darwin-amd64 \
+linux-386 \
+linux-amd64 \
+linux-armv6 \
+linux-armv7 \
+linux-arm64 \
+windows-386 \
+windows-amd64 \
+windows-arm
+
+# By default we will build all systems. But with the 'sys' tag, a specific
+# system can be specified. This is useful to release for a subset of
+# systems/architectures.
+ifneq ($(sys),)
+BUILD_SYSTEM = $(sys)
+endif
+
 TEST_FLAGS = -test.timeout=20m
 
 UNIT := $(GOLIST) | $(XARGS) env $(GOTEST) $(TEST_FLAGS)
+LDFLAGS := -X main.Commit=$(shell git describe --tags)
+RELEASE_LDFLAGS := -s -w -buildid= $(LDFLAGS)
+
+GREEN := "\\033[0;32m"
+NC := "\\033[0m"
+define print
+	echo $(GREEN)$1$(NC)
+endef
 
 default: build
 
@@ -34,11 +63,16 @@ unit:
 
 build:
 	@$(call print, "Building chantools.")
-	$(GOBUILD) ./...
+	$(GOBUILD) -ldflags "$(LDFLAGS)" ./...
 
 install:
 	@$(call print, "Installing chantools.")
-	$(GOINSTALL) ./...
+	$(GOINSTALL) -ldflags "$(LDFLAGS)" ./...
+
+release:
+	@$(call print, "Creating release of chantools.")
+	rm -rf chantools-v*
+	./release.sh build-release "$(VERSION_TAG)" "$(BUILD_SYSTEM)" "$(RELEASE_LDFLAGS)"
 
 fmt:
 	@$(call print, "Formatting source.")
@@ -46,4 +80,4 @@ fmt:
 
 lint: $(LINT_BIN)
 	@$(call print, "Linting source.")
-	$(LINT)
+	$(LINT)

cmd/chantools/main.go

@@ -26,6 +26,11 @@ import (
 
 const (
 	defaultAPIURL = "https://blockstream.info/api"
+	version       = "0.2.0"
+)
+
+var (
+	Commit = ""
 )
 
 type config struct {
@@ -65,6 +70,8 @@ func runCommandParser() error {
 
 	// Parse command line.
 	parser := flags.NewParser(cfg, flags.Default)
+	
+	log.Infof("chantools version v%s commit %s", version, Commit)
 	_, _ = parser.AddCommand(
 		"summary", "Compile a summary about the current state of "+
 			"channels.", "", &summaryCommand{},
@@ -223,7 +230,7 @@ func rootKeyFromConsole() (*hdkeychain.ExtendedKey, time.Time, error) {
 	// cipher seed.
 	fmt.Printf("Input your cipher seed passphrase (press enter if " +
 		"your seed doesn't have a passphrase): ")
-	passphrase, err := terminal.ReadPassword(syscall.Stdin)
+	passphrase, err := terminal.ReadPassword(int(syscall.Stdin)) // nolint
 	if err != nil {
 		return nil, time.Unix(0, 0), err
 	}
@@ -249,9 +256,9 @@ func rootKeyFromConsole() (*hdkeychain.ExtendedKey, time.Time, error) {
 
 func passwordFromConsole(userQuery string) ([]byte, error) {
 	// Read from terminal (if there is one).
-	if terminal.IsTerminal(syscall.Stdin) {
+	if terminal.IsTerminal(int(syscall.Stdin)) { // nolint
 		fmt.Print(userQuery)
-		pw, err := terminal.ReadPassword(syscall.Stdin)
+		pw, err := terminal.ReadPassword(int(syscall.Stdin)) // nolint
 		if err != nil {
 			return nil, err
 		}

release.sh

@@ -0,0 +1,110 @@
+#!/bin/bash
+
+# Simple bash script to build basic chantools for all the platforms
+# we support with the golang cross-compiler.
+#
+# Copyright (c) 2016 Company 0, LLC.
+# Use of this source code is governed by the ISC
+# license.
+
+set -e
+
+PKG="github.com/guggero/chantools"
+PACKAGE=chantools
+
+# green prints one line of green text (if the terminal supports it).
+function green() {
+  echo -e "\e[0;32m${1}\e[0m"
+}
+
+# red prints one line of red text (if the terminal supports it).
+function red() {
+  echo -e "\e[0;31m${1}\e[0m"
+}
+
+# build_release builds the actual release binaries.
+#   arguments: <version-tag> <build-system(s)> <ldflags>
+function build_release() {
+  local tag=$1
+  local sys=$2
+  local ldflags=$3
+
+  green " - Packaging vendor"
+  go mod vendor
+  tar -czf vendor.tar.gz vendor
+
+  maindir=$PACKAGE-$tag
+  mkdir -p $maindir
+
+  cp vendor.tar.gz $maindir/
+  rm vendor.tar.gz
+  rm -r vendor
+
+  package_source="${maindir}/${PACKAGE}-source-${tag}.tar"
+  git archive -o "${package_source}" HEAD
+  gzip -f "${package_source}" >"${package_source}.gz"
+
+  cd "${maindir}"
+
+  for i in $sys; do
+    os=$(echo $i | cut -f1 -d-)
+    arch=$(echo $i | cut -f2 -d-)
+    arm=
+
+    if [[ $arch == "armv6" ]]; then
+      arch=arm
+      arm=6
+    elif [[ $arch == "armv7" ]]; then
+      arch=arm
+      arm=7
+    fi
+
+    dir="${PACKAGE}-${i}-${tag}"
+    mkdir "${dir}"
+    pushd "${dir}"
+
+    green " - Building: ${os} ${arch} ${arm}"
+    env CGO_ENABLED=0 GOOS=$os GOARCH=$arch GOARM=$arm go build -v -trimpath -ldflags="${ldflags}" ${PKG}/cmd/chantools
+    popd
+
+    if [[ $os == "windows" ]]; then
+      zip -r "${dir}.zip" "${dir}"
+    else
+      tar -cvzf "${dir}.tar.gz" "${dir}"
+    fi
+
+    rm -r "${dir}"
+  done
+
+  shasum -a 256 * >manifest-$tag.txt
+}
+
+# usage prints the usage of the whole script.
+function usage() {
+  red "Usage: "
+  red "release.sh build-release <version-tag> <build-system(s)> <ldflags>"
+}
+
+# Whatever sub command is passed in, we need at least 2 arguments.
+if [ "$#" -lt 2 ]; then
+  usage
+  exit 1
+fi
+
+# Extract the sub command and remove it from the list of parameters by shifting
+# them to the left.
+SUBCOMMAND=$1
+shift
+
+# Call the function corresponding to the specified sub command or print the
+# usage if the sub command was not found.
+case $SUBCOMMAND in
+build-release)
+  green "Building release"
+  build_release "$@"
+  ;;
+*)
+  usage
+  exit 1
+  ;;
+esac