feat: Stop-within-session without name

Co-authored-by: Ben Yanke <ben@benyanke.com>

config.go

@@ -36,6 +36,11 @@ type Config struct {
 	RebalanceWindowsThreshold int               `yaml:"rebalance_panes_after"`
 }
 
+func addDefaultEnvs(c *Config, path string) {
+	c.Env["SMUG_SESSION"] = c.Session
+	c.Env["SMUG_SESSION_NAME"] = c.Session
+}
+
 func EditConfig(path string) error {
 	editor := os.Getenv("EDITOR")
 	if editor == "" {
@@ -58,7 +63,15 @@ func GetConfig(path string, settings map[string]string) (Config, error) {
 
 	config := string(f)
 
-	return ParseConfig(config, settings)
+	c, err := ParseConfig(config, settings)
+	if err != nil {
+		return Config{}, err
+	}
+
+	addDefaultEnvs(&c, path)
+
+	return c, err
+
 }
 
 func ParseConfig(data string, settings map[string]string) (Config, error) {
@@ -74,7 +87,9 @@ func ParseConfig(data string, settings map[string]string) (Config, error) {
 		return v
 	})
 
-	c := Config{}
+	c := Config{
+		Env: make(map[string]string),
+	}
 
 	err := yaml.Unmarshal([]byte(data), &c)
 	if err != nil {

config_test.go

@@ -28,6 +28,7 @@ windows:
 
 	expected := Config{
 		Session: "test",
+		Env:     make(map[string]string),
 		Windows: []Window{
 			{
 				Layout:   "tiled",

options.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"errors"
+	"os"
 	"strings"
 
 	"github.com/spf13/pflag"
@@ -135,6 +136,12 @@ func ParseOptions(argv []string) (*Options, error) {
 		return nil, err
 	}
 
+	// If config file flag is not set, and env is, use the env
+	val, ok := os.LookupEnv("SMUG_SESSION_CONFIG_PATH")
+	if *config == "" && ok {
+		*config = val
+	}
+
 	var project string
 	if *config == "" {
 		if errors.Is(cmdErr, ErrCommandNotFound) {