chore: add version when compiling

Author: devgianlu

Dockerfile.build

@@ -35,9 +35,10 @@ ARG GOCC
 ARG GOARCH
 ARG GOAMD64
 ARG GOARM
+ARG VERSION
 
 WORKDIR /src
 ENV CGO_ENABLED=1 PKG_CONFIG_PATH="/build/vcpkg_installed/$TRIPLET/lib/pkgconfig" CC="$GOCC" \
     GOARCH="$GOARCH" GOAMD64="$GOAMD64" GOARM="$GOARM" \
     GOCACHE=/src/.gocache/go-build GOMODCACHE=/src/.gocache/mod
-CMD ["go", "build", "-o", "./go-librespot", "-a", "-ldflags", "-s -w", "./cmd/daemon"]
+CMD ["go", "build", "-o", "./go-librespot", "-a", "-ldflags", "-s -w -X github.com/devgianlu/go-librespot.version=$VERSION", "./cmd/daemon"]

crosscompile.sh

@@ -8,6 +8,10 @@ if [ -z "$VARIANT" ]; then
     exit 1
 fi
 
+# Get the tag associated with the current commit
+VERSION="$(git tag --points-at HEAD)"
+VERSION="${VERSION#v}"
+
 # Validate and map variant to compilation envs
 if [ "$VARIANT" = "x86_64" ]; then
   TARGET="x86-64-linux-gnu"
@@ -47,6 +51,7 @@ DOCKER_IMAGE_NAME="go-librespot-build-${VARIANT}"
 # Build the image for cross-compilation
 docker build \
   --build-arg "TARGET=$TARGET" \
+  --build-arg "VERSION=$VERSION" \
   --build-arg "TRIPLET=$TRIPLET" \
   --build-arg "GOARCH=$GOARCH" \
   --build-arg "GOAMD64=$GOAMD64" \

version.go

@@ -9,7 +9,7 @@ import (
 
 const SpotifyVersionCode = 125200442
 
-var commit, version string
+var version string
 
 // Extract and return the commit hash stored in the binary, if available.
 func commitHash() string {
@@ -26,8 +26,6 @@ func commitHash() string {
 func VersionNumberString() string {
 	if len(version) > 0 {
 		return strings.TrimPrefix(version, "v")
-	} else if len(commit) >= 8 {
-		return commit[:8]
 	} else if commit := commitHash(); len(commit) >= 8 {
 		return commit[:8]
 	} else {
@@ -37,9 +35,7 @@ func VersionNumberString() string {
 
 func SpotifyLikeClientVersion() string {
 	if len(version) > 0 {
-		if len(commit) >= 8 {
-			return fmt.Sprintf("%s.g%s", version, commit[:8])
-		} else if commit := commitHash(); len(commit) >= 8 {
+		if commit := commitHash(); len(commit) >= 8 {
 			return fmt.Sprintf("%s.g%s", version, commit[:8])
 		} else {
 			return version