cmd/osbuild-worker-executor: import verbatim from mvo5/oaas

This commit imports the repository https://github.com/mvo5/oaas
without keeping the history. The history is largely unimportant
and can be looked up in https://github.com/mvo5/oaas/commits/main
if needed.

cmd/osbuild-worker-executor/config.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+	"flag"
+)
+
+type Config struct {
+	Host string
+	Port string
+
+	BuildDirBase string
+}
+
+func newConfigFromCmdline(args []string) (*Config, error) {
+	var config Config
+
+	fs := flag.NewFlagSet("oaas", flag.ContinueOnError)
+	fs.StringVar(&config.Host, "host", "localhost", "host to listen on")
+	fs.StringVar(&config.Port, "port", "8001", "port to listen on")
+	fs.StringVar(&config.BuildDirBase, "build-path", "/var/tmp/oaas", "base dir to run the builds in")
+	if err := fs.Parse(args); err != nil {
+		return nil, err
+	}
+	return &config, nil
+}