add var to store version tag & adjust Justfile

.woodpecker.yml

@@ -22,7 +22,7 @@ pipeline:
     image: a6543/golang_just
     commands:
       - go version
-      - just build
+      - just build-tag ${CI_COMMIT_TAG##v}
 
   test:
     image: a6543/golang_just

Justfile

@@ -11,6 +11,9 @@ dev:
 build:
     CGO_ENABLED=0 go build -ldflags '-s -w' -v -o build/codeberg-pages-server ./
 
+build-tag VERSION:
+    CGO_ENABLED=0 go build -ldflags '-s -w -X "codeberg.org/codeberg/pages/server/version.Version={{VERSION}}"' -v -o build/codeberg-pages-server ./
+
 lint: tool-golangci tool-gofumpt
     [ $(gofumpt -extra -l . | wc -l) != 0 ] && { echo 'code not formated'; exit 1; }; \
     golangci-lint run --timeout 5m --build-tags integration

server/handler.go

@@ -14,6 +14,7 @@ import (
 	"codeberg.org/codeberg/pages/server/gitea"
 	"codeberg.org/codeberg/pages/server/upstream"
 	"codeberg.org/codeberg/pages/server/utils"
+	"codeberg.org/codeberg/pages/server/version"
 )
 
 // Handler handles a single HTTP request to the web server.
@@ -26,7 +27,7 @@ func Handler(mainDomainSuffix, rawDomain []byte,
 	return func(ctx *fasthttp.RequestCtx) {
 		log := log.With().Str("Handler", string(ctx.Request.Header.RequestURI())).Logger()
 
-		ctx.Response.Header.Set("Server", "Codeberg Pages")
+		ctx.Response.Header.Set("Server", "CodebergPages/"+version.Version)
 
 		// Force new default from specification (since November 2020) - see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy#strict-origin-when-cross-origin
 		ctx.Response.Header.Set("Referrer-Policy", "strict-origin-when-cross-origin")

server/version/version.go

@@ -0,0 +1,3 @@
+package version
+
+var Version string = "dev"