Merge pull request #2 from Marcusk19/add_init

Add init

cmd/init.go

@@ -3,6 +3,8 @@ package cmd
 import (
 	"fmt"
 	"log"
+	"os"
+	"path/filepath"
 
 	"github.com/spf13/cobra"
 )
@@ -14,10 +16,46 @@ func init() {
 var initCommand = &cobra.Command {
   Use: "init",
   Run: func(cmd *cobra.Command, args []string) {
-    if(len(args) <= 0) {
-      log.Fatal(cmd.OutOrStdout(), "no arguments provided to init")
+    var rootpath string
+    if len(args) <= 0 {
+      fmt.Fprintf(cmd.OutOrStdout(), "no path provided, assuming /usr/bin/\n")
+      rootpath = "/usr/bin/"
+    } else {
+      rootpath = args[0]
     }
-    // we will do something here, for now just print args[0]
-    fmt.Fprintf(cmd.OutOrStdout(), args[0])
+
+    if rootpath[len(rootpath)-1:] != "/" {
+      log.Fatal("path needs trailing slash")
+    }
+
+    var files []string
+    var acceptedfiles [3] string 
+    acceptedfiles[0] = "nvim"
+    acceptedfiles[1] = "tmux"
+    acceptedfiles[2] = "alacritty"
+
+    err := filepath.Walk(rootpath, func(path string, info os.FileInfo, err error) error {
+      if err != nil {
+        log.Fatalf("problem walking path %s", err)
+        return nil
+      }
+
+      for _, acceptedfile := range(acceptedfiles) {
+        if path == rootpath + acceptedfile {
+          files = append(files, path)
+        }
+      }
+      return nil
+    })
+
+    if err != nil {
+      log.Fatal(err)
+    }
+
+    fmt.Fprintf(cmd.OutOrStdout(), "binaries installed: \n =======================\n")
+    for _, file := range(files) {
+      fmt.Fprintf(cmd.OutOrStdout(), file[len(rootpath):] + "\n" )
+    }
+    
   },
 }