WIP: environment variable manipulation

task/task.go

@@ -4,12 +4,18 @@ import (
 	"crypto/sha256"
 	"encoding/json"
 	"fmt"
+	"regexp"
+	"strings"
 
 	"gitea.suyono.dev/suyono/wingmate"
 
 	wminit "gitea.suyono.dev/suyono/wingmate/init"
 )
 
+var (
+	envRef = regexp.MustCompile(`\$([a-zA-Z][a-zA-Z0-9]*)`)
+)
+
 type config interface {
 	WMPidProxyPath() string
 	WMPidProxyCheckVersion() error
@@ -304,6 +310,35 @@ func (t *ServiceTask) Environ() []string {
 	return retval
 }
 
+func (t *ServiceTask) PatchEnv(env []string) []string {
+	tMap := make(map[string]string)
+	for _, e := range env {
+		key, value, ok := strings.Cut(e, "=")
+		if !ok {
+			wingmate.Log().Warn().Msgf("removing invalid environment:", e)
+			continue
+		}
+		tMap[key] = value
+	}
+
+	for _, e := range t.environ {
+		key, value, ok := strings.Cut(e, "=")
+		if !ok {
+			wingmate.Log().Warn().Msgf("removing invalid environment:", e)
+			continue
+		}
+
+		if strings.ContainsAny(key, "$") {
+			continue
+		}
+
+		//envRef.FindAllString()
+		_ = value
+	}
+
+	return nil
+}
+
 func (t *ServiceTask) Setsid() bool {
 	return t.setsid
 }