rpcfetch: ui: show version in interface

Default fallback value of "impure", the flake build script sets it to "flake", and the gitea action sets it to the tag.

Signed-off-by: Ophestra Umiker <cat@ophivana.moe>

.gitea/workflows/release.yml

@@ -35,7 +35,7 @@ jobs:
         if: ${{ runner.os == 'Linux' }}
       - name: Build for Linux
         run: >-
-          sh -c "go build -v -ldflags '-s -w' -o bin/rpcfetch-linux ./fetch &&
+          sh -c "go build -v -ldflags '-s -w -X main.Version=${{ github.ref_name }}' -o bin/rpcfetch-linux ./fetch &&
           sha256sum --tag -b bin/rpcfetch-linux > bin/rpcfetch-linux.sha256"
       - name: Build for Windows
         run: >-
@@ -43,7 +43,7 @@ jobs:
           CGO_ENABLED=1
           CGO_LDFLAGS='-static-libgcc -static'
           GOOS=windows GOARCH=amd64
-          go build -v -ldflags '-s -w -H=windowsgui' -o bin/rpcfetch.exe ./fetch &&
+          go build -v -ldflags '-s -w -X main.Version=${{ github.ref_name }} -H=windowsgui' -o bin/rpcfetch.exe ./fetch &&
           sha256sum --tag -b bin/rpcfetch.exe > bin/rpcfetch.exe.sha256"
       - name: Release
         id: use-go-action

fetch/main.go

@@ -22,6 +22,8 @@ var (
 	confPath   string
 	headless   bool
 	dumpConfig bool
+
+	Version = "impure"
 )
 
 func init() {

fetch/ui.go

@@ -207,6 +207,7 @@ var (
 		widget.NewForm(
 			widget.NewFormItem("Replaces", statusReplaces),
 			widget.NewFormItem("Timer", statusTimer),
+			widget.NewFormItem("Version", widget.NewLabel(Version)),
 		),
 		widget.NewSeparator(),
 		container.NewHBox(

flake.nix

@@ -25,9 +25,9 @@
                   clang
                 ] ++ (if stdenv.isLinux then [
                   (pkgs.writeShellScriptBin "build" ''
-                    go build -v -o /tmp/rpcfetch ./fetch
+                    go build -v -ldflags '-s -w -X main.Version=flake' -o /tmp/rpcfetch ./fetch
                     # wayland support is partially broken at the moment
-                    #go build -v -tags wayland -o /tmp/wl-rpcfetch ./fetch
+                    #go build -v -ldflags '-s -w -X main.Version=flake' -tags wayland -o /tmp/wl-rpcfetch ./fetch
                   '')
                   vulkan-headers
                   libxkbcommon