✨ Parse config overrides on cli

tools/parse.go

@@ -0,0 +1,44 @@
+package tools
+
+import (
+	"encoding/json"
+	"regexp"
+	"strconv"
+	"strings"
+	"time"
+)
+
+func ParseBytes(in []byte) any {
+	return ParseString(string(in))
+}
+
+func ParseString(in string) any {
+	s := strings.TrimSpace(in)
+	if s == "" {
+		return s
+	}
+
+	yesno := regexp.MustCompile("^(y|Y|yes|Yes|YES|n|N|no|No|NO|true|True|TRUE|false|False|FALSE|on|On|ON|off|Off|OFF)$")
+	yes := regexp.MustCompile("^(y|Y|yes|Yes|YES|true|True|TRUE|on|On|ON)$")
+	null := regexp.MustCompile("^(~|null|Null|NULL|none|None|NONE|nil|Nil|NIL)$")
+	var j json.RawMessage
+	if null.MatchString(s) {
+		return nil
+	} else if yesno.MatchString(s) {
+		if yes.MatchString(s) {
+			return true
+		} else {
+			return false
+		}
+	} else if i, err := strconv.Atoi(s); err == nil {
+		return i
+	} else if f, err := strconv.ParseFloat(s, 64); err == nil {
+		return f
+	} else if t, err := time.Parse(time.RFC3339, s); err == nil {
+		return t
+	} else if err := json.Unmarshal([]byte(s), &j); err == nil {
+		return j
+	}
+
+	return s
+}