cmd/fpkg: app bundle helper

This helper program creates fortify configuration for running an application bundle. The activate action wraps a home-manager activation package and ensures each generation gets activated once.

Signed-off-by: Ophestra <cat@gensokyo.uk>

cmd/fpkg/main.go

@@ -0,0 +1,48 @@
+package main
+
+import (
+	"flag"
+	"os"
+
+	"git.gensokyo.uk/security/fortify/internal/fmsg"
+)
+
+const shell = "/run/current-system/sw/bin/bash"
+
+func init() {
+	if err := os.Setenv("SHELL", shell); err != nil {
+		fmsg.Fatalf("cannot set $SHELL: %v", err)
+	}
+}
+
+var (
+	flagVerbose bool
+)
+
+func init() {
+	flag.BoolVar(&flagVerbose, "v", false, "Verbose output")
+}
+
+func main() {
+	fmsg.SetPrefix("fpkg")
+
+	flag.Parse()
+	fmsg.SetVerbose(flagVerbose)
+
+	args := flag.Args()
+	if len(args) < 1 {
+		fmsg.Fatal("invalid argument")
+	}
+
+	switch args[0] {
+	case "install":
+		actionInstall(args[1:])
+	case "start":
+		actionStart(args[1:])
+
+	default:
+		fmsg.Fatal("invalid argument")
+	}
+
+	fmsg.Exit(0)
+}