Updated Playlist.save() method

scripts/clean.js

@@ -90,6 +90,7 @@ async function checkStatus(playlist) {
   if (playlist.channels.length !== channels.length) {
     log.print(`File '${playlist.url}' has been updated\n`)
     playlist.channels = channels
+    playlist.updated = true
   }
 
   return playlist

scripts/detect-resolution.js

@@ -86,6 +86,7 @@ async function detectResolution(playlist) {
   if (updated) {
     log.print(`File '${playlist.url}' has been updated\n`)
     playlist.channels = channels
+    playlist.updated = true
   }
 
   return playlist

scripts/format.js

@@ -26,6 +26,7 @@ async function sortChannels(playlist) {
   if (JSON.stringify(playlist.channels) !== JSON.stringify(channels)) {
     log.print('updated')
     playlist.channels = channels
+    playlist.updated = true
   }
 
   return playlist

scripts/helpers/Playlist.js

@@ -10,6 +10,7 @@ module.exports = class Playlist {
     this.channels = items
       .map(item => new Channel({ data: item, header, sourceUrl: url }))
       .filter(channel => channel.url)
+    this.updated = false
   }
 
   toString(options = {}) {
@@ -31,10 +32,8 @@ module.exports = class Playlist {
   }
 
   save() {
-    const original = file.read(this.url)
+    if (this.updated) {
-    const output = this.toString()
+      file.create(this.url, this.toString())
-    if (original !== output) {
-      file.create(this.url, output)
     }
   }
 }

scripts/remove-duplicates.js

@@ -51,6 +51,7 @@ async function removeDuplicates(playlist) {
   if (playlist.channels.length !== channels.length) {
     log.print('updated')
     playlist.channels = channels
+    playlist.updated = true
   }
 
   return playlist
@@ -74,6 +75,7 @@ async function removeUnsortedDuplicates(playlist) {
   if (channels.length !== playlist.channels.length) {
     log.print('updated')
     playlist.channels = channels
+    playlist.updated = true
   }
 
   return playlist