feat: show version in stats

.github/workflows/ci.yaml

@@ -16,6 +16,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1

Dockerfile

@@ -1,10 +1,36 @@
+# syntax=docker/dockerfile:1
+
 FROM --platform=$BUILDPLATFORM golang as builder
 WORKDIR /app
-COPY . .
+
+COPY go.mod .
 RUN go mod download
+
+COPY . .
+RUN <<EOF
+  set -ex
+  tag=$(git describe --tags --always --abbrev=8 --dirty)
+  if echo "$tag" | grep -q dirty; then exit 1; fi
+  file_prefix=$(go env GOMODCACHE)/cache/download/github.com/zhsj/wghttp/@v/$tag
+  mkdir -p $(dirname "$file_prefix")
+  echo "{\"Version\": \"$tag\"}" > "$file_prefix".info
+  cp go.mod "$file_prefix".mod
+  git archive --prefix=github.com/zhsj/wghttp@"$tag"/ -o "$file_prefix".zip HEAD
+EOF
+
 ARG TARGETARCH
-RUN CGO_ENABLED=0 GOARCH=$TARGETARCH go build -v -trimpath -ldflags="-w -s" .
+RUN <<EOF
+  set -ex
+  export CGO_ENABLED=0
+  export GOARCH=$TARGETARCH
+  export GOPROXY=file://$(go env GOMODCACHE)/cache/download
+  export GOSUMDB=off
+  tag=$(git describe --tags --abbrev=8 --always)
+  go install -trimpath -ldflags="-w -s" github.com/zhsj/wghttp@"$tag"
+  cross_bin=/go/bin/$(go env GOOS)_$(go env GOARCH)/wghttp
+  if [ -e "$cross_bin" ]; then mv "$cross_bin" /go/bin/wghttp; fi
+EOF
 
 FROM scratch
-COPY --from=builder /app/wghttp /
+COPY --from=builder /go/bin/wghttp /
 ENTRYPOINT ["/wghttp"]

docs/usage.md

@@ -60,7 +60,7 @@ Set `--resolve-interval=` to `0` to disable this behaviour.
 
 ## DNS server format
 
-Both `--dns=` and `--resolve-dns=` options supports following format:
+Both `--dns=` and `--resolve-dns=` options support following format:
 
 - Plain DNS
 

stats.go

@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"bytes"
 	"runtime"
+	"runtime/debug"
 	"strconv"
 	"strings"
 
@@ -25,10 +26,16 @@ func stats(dev *device.Device) func() (any, error) {
 			SentBytes              int64
 
 			NumGoroutine int
+			Version      string
 		}{
 			NumGoroutine: runtime.NumGoroutine(),
 		}
 
+		info, ok := debug.ReadBuildInfo()
+		if ok {
+			stats.Version = info.Main.Version
+		}
+
 		scanner := bufio.NewScanner(&buf)
 		for scanner.Scan() {
 			line := scanner.Text()