From 9a4f8023d8aae9a10bc5b85a48ccf733aa87771f Mon Sep 17 00:00:00 2001
From: Tai Groot <tai@taigrr.com>
Date: Thu, 25 May 2023 15:07:06 -0700
Subject: [PATCH] add mgconfig conversion to lib

---
 cmd/mg/main.go             | 39 ++++++++++++++++++++++++++++++++++++++
 cmd/{ => paths}/mrpaths.go |  0
 parse/mgconf.go            | 24 +++++++++++++++++++++++
 parse/myrepos.go           | 14 ++++++++++++++
 4 files changed, 77 insertions(+)
 create mode 100644 cmd/mg/main.go
 rename cmd/{ => paths}/mrpaths.go (100%)

diff --git a/cmd/mg/main.go b/cmd/mg/main.go
new file mode 100644
index 0000000..65f9777
--- /dev/null
+++ b/cmd/mg/main.go
@@ -0,0 +1,39 @@
+package main
+
+import (
+	"flag"
+	"log"
+	"os"
+
+	"github.com/taigrr/mg/parse"
+)
+
+var jobs = flag.Int("j", 1, "number of jobs to run in parallel")
+
+func main() {
+	flag.Parse()
+	conf, err := parse.LoadMGConfig()
+	if err != nil {
+		if os.IsNotExist(err) {
+			// Try to load mr config instead
+			mrconf, err := parse.LoadMRConfig()
+			if err != nil {
+				log.Println(err)
+				os.Exit(1)
+			}
+
+			conf = mrconf.ToMGConfig()
+			log.Println("migrated mrconfig to mgconfig")
+			err = conf.Save()
+			if err != nil {
+				log.Println(err)
+				os.Exit(1)
+			}
+		}
+	}
+
+	// fmt.Println(conf)
+}
+
+func Register() {
+}
diff --git a/cmd/mrpaths.go b/cmd/paths/mrpaths.go
similarity index 100%
rename from cmd/mrpaths.go
rename to cmd/paths/mrpaths.go
diff --git a/parse/mgconf.go b/parse/mgconf.go
index 3654987..7f79ddc 100644
--- a/parse/mgconf.go
+++ b/parse/mgconf.go
@@ -2,6 +2,7 @@ package parse
 
 import (
 	"encoding/json"
+	"io/ioutil"
 	"os"
 	"path/filepath"
 )
@@ -54,3 +55,26 @@ func LoadMGConfig() (MGConfig, error) {
 
 	return config, err
 }
+
+func (m MGConfig) Save() error {
+	mgConf := os.Getenv("MGCONFIG")
+	if mgConf == "" {
+		confDir := os.Getenv("XDG_CONFIG_HOME")
+		if confDir == "" {
+			home, err := os.UserHomeDir()
+			if err != nil {
+				return err
+			}
+			confDir = filepath.Join(home, ".config")
+			if _, err := os.Stat(confDir); err != nil {
+				return err
+			}
+		}
+		mgConf = filepath.Join(confDir, "mgconfig")
+	}
+	b, err := json.MarshalIndent(m, "", "  ")
+	if err != nil {
+		return err
+	}
+	return ioutil.WriteFile(mgConf, b, 0o644)
+}
diff --git a/parse/myrepos.go b/parse/myrepos.go
index 7e649e1..3790079 100644
--- a/parse/myrepos.go
+++ b/parse/myrepos.go
@@ -29,6 +29,20 @@ func (m MRConfig) GetRepoPaths() []string {
 	return paths
 }
 
+func (m MRConfig) ToMGConfig() MGConfig {
+	mgconf := MGConfig{
+		Repos:   []Repo{},
+		Aliases: m.Aliases,
+	}
+	for _, r := range m.Repos {
+		mgconf.Repos = append(mgconf.Repos, Repo{
+			Path:    r.Path,
+			Aliases: r.Aliases,
+		})
+	}
+	return mgconf
+}
+
 // LoadMRConfig loads the mrconfig file from the user's home directory
 // and returns a MRConfig struct
 // TODO: load aliases into map instead of hardcoded Unregister prop