added support for making symlinks

the assumption here is that every file in the ~/Documents/saves directory
should exist as a symlink into ~/Library/Application Support/.

main.go

@@ -1,16 +1,22 @@
-// command sk pushes and pulls save files from my server
+// command saves pushes and pulls save files from my server
 package main
 
 import (
 	"bytes"
 	"fmt"
+	"io/ioutil"
 	"log"
 	"os"
 	"os/exec"
 	"os/user"
 )
 
-const usage = "sk <push|pull>"
+const usage = "saves <push|pull|link>"
+
+type link struct {
+	src string
+	dst string
+}
 
 func main() {
 	u, err := user.Current()
@@ -19,6 +25,8 @@ func main() {
 		os.Exit(1)
 	}
 	docs := fmt.Sprintf("%s/Documents/", u.HomeDir)
+	saves := fmt.Sprintf("%s/Documents/saves", u.HomeDir)
+	appSupport := fmt.Sprintf("%s/Library/Application Support", u.HomeDir)
 	if len(os.Args) != 2 {
 		fmt.Fprintf(os.Stderr, "%s\n", usage)
 		os.Exit(1)
@@ -27,14 +35,38 @@ func main() {
 	var cmd *exec.Cmd
 	switch os.Args[1] {
 	case "pull":
-		cmd = exec.Command("rsync", "-auv", "sj.mcquay.me:~/docs/ycg", docs)
+		cmd = exec.Command("rsync", "-auv", "sj.mcquay.me:~/docs/saves", docs)
 	case "push":
-		cmd = exec.Command("rsync", "-auv", fmt.Sprintf("%sycg", docs), "sj.mcquay.me:~/docs/")
+		cmd = exec.Command("rsync", "-auv", fmt.Sprintf("%ssaves", docs), "sj.mcquay.me:~/docs/")
+	case "link":
+		dirs, err := ioutil.ReadDir(saves)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "could not read saves dir: %+v\n", err)
+			os.Exit(1)
+		}
+
+		for _, dir := range dirs {
+			src := fmt.Sprintf("%s/%s", saves, dir.Name())
+			dst := fmt.Sprintf("%s/%s", appSupport, dir.Name())
+			if err := os.RemoveAll(dst); err != nil {
+				fmt.Fprintf(os.Stderr, "could not make way for link:%+v\n", err)
+				os.Exit(1)
+			}
+			if err := os.Symlink(src, dst); err != nil {
+				fmt.Fprintf(os.Stderr, "could not link:%+v\n", err)
+				os.Exit(1)
+			}
+		}
+		return
 	default:
 		fmt.Fprintf(os.Stderr, "%s\n", usage)
 		os.Exit(1)
 	}
 
+	if cmd == nil {
+		fmt.Fprintf(os.Stderr, "failed to populate command\n")
+		os.Exit(1)
+	}
 	var so, se bytes.Buffer
 	cmd.Stdout = &so
 	cmd.Stderr = &se

readme.md

@@ -1,3 +1,3 @@
-# sk
+# saves
 
 push and pull save files from my server