add rm command (#29)

Makefile

@@ -10,6 +10,10 @@ unit-test:
 	TESTING=true go test -v ./test
 	rm -rf test/dotctl_test 2> /dev/null
 
+install:
+	go build
+	cp dotctl /usr/local/bin
+
 pre-commit-hooks:
 	pre-commit autoupdate
 	pre-commit install

cmd/remove.go

@@ -0,0 +1,66 @@
+package cmd
+
+import (
+	"fmt"
+	"path/filepath"
+
+	"github.com/Marcusk19/dotctl/tools"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+func init() {
+  RootCmd.AddCommand(removeCommand)
+}
+
+var removeCommand = &cobra.Command {
+  Use: "rm",
+  Short: "remove dotfile link",
+  Long: "TODO: add longer description",
+  Run: runRemoveCommand,
+}
+
+func runRemoveCommand(cmd *cobra.Command, args []string) {
+  fs := FileSystem
+
+  if len(args) <= 0 {
+    fmt.Println("ERROR: missing specified config")
+    return
+  }
+
+  dotfile := args[0]
+  links := viper.GetStringMapString("links")
+  dotfileConfigPath := links[dotfile]
+
+  err := fs.Remove(dotfileConfigPath)
+  if err != nil {
+    fmt.Printf("ERROR: problem removing symlink %s: %s\n", dotfileConfigPath, err)
+    return
+  }
+
+  dotfileSavedPath := filepath.Join(DotfilePath, dotfile)
+  savedFile, err := fs.Open(dotfileSavedPath)
+  if err != nil {
+    fmt.Printf("ERROR: problem viewing saved dotfile(s): %s\n", err)
+    return
+  }
+
+  fileInfo, err := savedFile.Stat()
+  if err != nil {
+    fmt.Printf("ERROR: problem getting file info: %s\n", err)
+    return
+  }
+  if fileInfo.IsDir() {
+    err = tools.CopyDir(fs, dotfileSavedPath, dotfileConfigPath)
+  } else {
+    err = tools.CopyFile(fs, dotfileSavedPath, dotfileConfigPath)
+  }
+
+  if err != nil {
+    fmt.Printf("ERROR: problem copying over dotfile(s) %s\n", err)
+    return
+  }
+  
+  fmt.Printf("%s symlink removed, copied files over to %s\n", dotfile, dotfileConfigPath)
+}
+