Adapt Makefile and boardvoting.go to new ldflags

.goreleaser.yml

@@ -7,12 +7,14 @@ before:
 builds:
   - env:
       - CGO_ENABLED=1
-    ldflags:
-      - -s -w -X main.version={{.Version}} -X main.build={{.Env.BUILD}}
     goos:
       - linux
     goarch:
       - amd64
+    flags:
+      - -buildmode=pie
+      - -trimpath
+      - -v
 archives:
   - replacements:
       linux: Linux
@@ -38,7 +40,7 @@ nfpms:
       - libsqlite3-0
       - adduser
     priority: optional
-    bindir: /src/cacert-boardvoting
+    bindir: /srv/cacert-boardvoting
     contents:
       - src: config.yaml.example
         dst: /usr/share/doc/cacert-boardvoting/examples/config.yaml.example

Jenkinsfile

@@ -24,7 +24,7 @@ pipeline {
     stages {
         stage('Build') {
             steps {
-                sh "make distclean && make BUILD='${env.BUILD_TAG}'"
+                sh "make distclean && make"
             }
         }
         stage('Create build output') {

Makefile

@@ -1,11 +1,12 @@
 VERSION := $(shell git describe --always --dirty=-dev)
-BUILD := $(shell date --iso-8601=seconds --utc)
+COMMIT := $(shell git show-ref --hash refs/heads/master)
+DATE := $(shell date --iso-8601=seconds --utc)
 GOFILES = $(shell find . -type f -name '*.go')
 
 all: cacert-boardvoting
 
 cacert-boardvoting: ${GOFILES}
-	go build -o $@ -buildmode=pie -trimpath -x -ldflags " -s -w -X 'main.version=${VERSION}' -X 'main.build=${BUILD}'"
+	go build -o $@ -buildmode=pie -trimpath -x -ldflags " -s -w -X 'main.version=${VERSION}' -X 'main.commit=${COMMIT}' -X 'main.date=${DATE}'"
 
 clean:
 	rm -f cacert-boardvoting

boardvoting.go

@@ -52,7 +52,8 @@ var config *Config
 var store *sessions.CookieStore
 var csrfKey []byte
 var version = "undefined"
-var build = "undefined"
+var commit = "undefined"
+var date = "undefined"
 
 const (
 	cookieSecretMinLen    = 32
@@ -1014,7 +1015,7 @@ func setupTLSConfig() (tlsConfig *tls.Config) {
 
 func main() {
 	log.SetFormatter(&log.TextFormatter{FullTimestamp: true})
-	log.Infof("CAcert Board Voting version %s, build %s", version, build)
+	log.Infof("CAcert Board Voting version %s, commit %s built at %s", version, commit, date)
 
 	flag.StringVar(
 		&configFile, "config", "config.yaml", "Configuration file name")