remove CONF_DEST, just use home directoryHEADmaster

2 files changed, 18 insertions, 20 deletions

diff --git a/README.md b/README.md
index c21d738..dbbc13a 100644
--- a/README.md
+++ b/README.md
@@ -13,12 +13,11 @@ go get git.sr.ht/~benburwell/conf
 
 ## Usage
 
-To start using conf, you'll need to specify source and destination directories.
-This is currently done through environment variables. For example, to target
-dotfiles in your home directory from a repository at ~/projects/dotfiles, use:
+To start using conf, you'll need to specify a source directory.  This is
+currently done through an environment variable. For example, to use a repository
+at ~/projects/dotfiles, use:
 
 * `CONF_SOURCE=~/projects/dotfiles`
-* `CONF_DEST=~`
 
 Now, you can start adopting dotfiles for conf to manage. Let's start with
 `.vimrc`:
@@ -28,7 +27,7 @@ $ conf adopt .vimrc
 ```
 
 You can run this command from anywhere on your system, and conf will place a
-copy of your `$CONF_DEST/.vimrc` file into `$CONF_SOURCE/templates/.vimrc`.
+copy of your `~/.vimrc` file into `$CONF_SOURCE/templates/.vimrc`.
 
 Open up `$CONF_SOURCE/templates/.vimrc`, make a change, and then run `conf apply
 .vimrc`. You'll see that conf has updated your vimrc file with your latest
diff --git a/main.go b/main.go
index 2c4c2c4..8c49ce3 100644
--- a/main.go
+++ b/main.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"errors"
 	"fmt"
 	"os"
 )
@@ -11,16 +12,9 @@ type Conf struct {
 }
 
 func main() {
-	conf := &Conf{
-		Source: os.Getenv("CONF_SOURCE"),
-		Dest:   os.Getenv("CONF_DEST"),
-	}
-	if err := checkdir(conf.Source); err != nil {
-		fmt.Printf("could not find $CONF_SOURCE: %v\n", err)
-		os.Exit(1)
-	}
-	if err := checkdir(conf.Dest); err != nil {
-		fmt.Printf("could not find $CONF_DEST: %v\n", err)
+	conf, err := loadConf()
+	if err != nil {
+		fmt.Printf("could not load configuration: %v\n", err)
 		os.Exit(1)
 	}
 	if len(os.Args) < 2 {
@@ -44,13 +38,18 @@ func main() {
 	}
 }
 
-func checkdir(path string) error {
-	info, err := os.Stat(path)
+func loadConf() (*Conf, error) {
+	source := os.Getenv("CONF_SOURCE")
+	info, err := os.Stat(source)
 	if err != nil {
-		return err
+		return nil, err
 	}
 	if !info.IsDir() {
-		return fmt.Errorf("%s is not a directory", path)
+		return nil, errors.New("CONF_SOURCE is not a directory")
+	}
+	home, err := os.UserHomeDir()
+	if err != nil {
+		return nil, err
 	}
-	return nil
+	return &Conf{Source: source, Dest: home}, nil
 }