1 files changed, 51 insertions, 0 deletions
diff --git a/conf.go b/conf.go
new file mode 100644
index 0000000..71b2919
--- /dev/null
+++ b/conf.go
@@ -0,0 +1,51 @@
+package main
+
+import (
+	"errors"
+	"os"
+	"path/filepath"
+)
+
+type Conf struct {
+	Source string
+	Dest   string
+}
+
+func loadConf() (*Conf, error) {
+	source := os.Getenv("CONF_SOURCE")
+	info, err := os.Stat(source)
+	if err != nil {
+		return nil, err
+	}
+	if !info.IsDir() {
+		return nil, errors.New("CONF_SOURCE is not a directory")
+	}
+	home, err := os.UserHomeDir()
+	if err != nil {
+		return nil, err
+	}
+	return &Conf{Source: source, Dest: home}, nil
+}
+
+func (c *Conf) FileNames() ([]string, error) {
+	var names []string
+	dir := filepath.Join(c.Source, "templates")
+	err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if info.IsDir() {
+			return nil
+		}
+		name, err := filepath.Rel(dir, path)
+		if err != nil {
+			return err
+		}
+		names = append(names, name)
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+	return names, nil
+}