diff --git a/Makefile b/Makefile
index 0393610..4594403 100644
--- a/Makefile
+++ b/Makefile
@@ -102,8 +102,4 @@ dist: sanatize dist-check clean-all mod
 # repository that you cloned.
 sync-main-repo: sanatize
 	@echo "Synchronising to github repository working tree ..."
-	@cd ../engineersdecor-github; rm -rf build documentation gradle meta scripts src
-	@cd ../engineersdecor-github; rm -f .gitignore build.gradle gradle.properties gradlew gradlew.bat license Makefile readme.md
-	@cp -r documentation gradle meta scripts src ../engineersdecor-github/
-	@cp .gitignore build.gradle gradle.properties gradlew gradlew.bat license Makefile readme.md ../engineersdecor-github/
-	@cd ../engineersdecor-github; git status -s
+	@djs scripts/sync-main-repo.js
diff --git a/gradle.properties b/gradle.properties
index e36c4ee..af0c148 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,7 +3,7 @@ org.gradle.daemon=false
 org.gradle.jvmargs=-Xmx8G
 version_minecraft=1.12.2
 version_forge=14.23.5.2768
-version_engineersdecor=1.0.0-b4
+version_engineersdecor=1.0.0
 #
 # jar signing data loaded from signing.properties in the project root.
 #
diff --git a/meta/update.json b/meta/update.json
index d057ae1..3e4df43 100644
--- a/meta/update.json
+++ b/meta/update.json
@@ -1,13 +1,14 @@
 {
-  "homepage": "https://www.curseforge.com/minecraft/mc-mods/redstone-gauges-and-switches/",
+  "homepage": "https://www.curseforge.com/minecraft/mc-mods/engineers-decor/",
   "1.12.2": {
+    "1.0.0": "[R] Release based on v1.0.0-b4",
     "1.0.0-b4": "[F] Fixed vanished recipe for the rebar concrete wall.\n[A] Concrete wall, material: IE concrete.",
     "1.0.0-b3": "[A] Textures of rebar concrete and treated wood table improved.\n[A] Added rebar concrete wall.",
     "1.0.0-b2": "[A] Added rebar concrete (steel reinforced, expensive, creeper-proof).",
     "1.0.0-b1": "[A] Initial structure.\n[A] Added clinker bricks and clinker brick stairs.\n[A] Added slag bricks and slag brick stairs.\n[A] Added metal rung ladder.\n[A] Added staggered metal steps ladder.\n[A] Added treated wood ladder.\n[A] Added treated wood pole.\n[A] Added treated wood table."
   },
   "promos": {
-    "1.12.2-recommended": "",
-    "1.12.2-latest": "1.0.0-b4"
+    "1.12.2-recommended": "1.0.0",
+    "1.12.2-latest": "1.0.0"
   }
 }
\ No newline at end of file
diff --git a/readme.md b/readme.md
index b743e8f..2c045f4 100644
--- a/readme.md
+++ b/readme.md
@@ -73,6 +73,10 @@ More to come slowly but steadily.
 ----
 ## Revision history
 
+                -------------------------------------------------------------------
+    - v1.0.0    [R] Release based on v1.0.0-b4
+                -------------------------------------------------------------------
+
     - v1.0.0-b4 [F] Fixed vanished recipe for the rebar concrete wall.
                 [A] Concrete wall, material: IE concrete.
 
diff --git a/scripts/sync-main-repo.js b/scripts/sync-main-repo.js
new file mode 100644
index 0000000..5144f5d
--- /dev/null
+++ b/scripts/sync-main-repo.js
@@ -0,0 +1,16 @@
+#!/usr/bin/djs
+"use strict";
+const main_repo_local = fs.realpath("../engineersdecor-github");
+if((!fs.chdir(fs.dirname(fs.realpath(sys.script))+"/..")) || (!fs.isdir(".git"))) throw new Error("Failed to switch to mod source directory.");
+const test_repo_local = fs.cwd();
+if(main_repo_local == "") throw new Error("Main repository (real) path not found.");
+if(fs.realpath(main_repo_local) == fs.realpath(test_repo_local)) throw new Error("This is already the main repository");
+if((!fs.chdir(main_repo_local)) || (!fs.isdir(".git"))) throw new Error("Failed to switch to main repository directory.");
+if(fs.cwd().search("-github") < 0) throw new Error("Main repository is missing the '*-github' tag in the path name.");
+sys.shell("rm -rf build documentation gradle meta scripts src")
+sys.shell("rm -f .gitignore build.gradle gradle.properties gradlew gradlew.bat license Makefile readme.md")
+if((!fs.chdir(test_repo_local)) || (!fs.isdir(".git"))) throw new Error("Failed to switch to local dev directory.");
+sys.shell("cp -r documentation gradle meta scripts src " + main_repo_local + "/")
+sys.shell("cp .gitignore build.gradle gradle.properties gradlew gradlew.bat license Makefile readme.md " + main_repo_local + "/")
+if((!fs.chdir(main_repo_local)) || (!fs.isdir(".git"))) throw new Error("Failed to switch to main repository directory.");
+print(sys.shell("git status -s"))
diff --git a/scripts/task-update-json.js b/scripts/task-update-json.js
index b3624cd..9923852 100644
--- a/scripts/task-update-json.js
+++ b/scripts/task-update-json.js
@@ -54,7 +54,7 @@ for(var ver in history) { latest_beta=ver; break; }
 for(var ver in history) if(ver.search(/(rc|b|a)/) < 0) { latest_release=ver; break; }
 
 var update_json = {
-  homepage: "https://www.curseforge.com/minecraft/mc-mods/redstone-gauges-and-switches/",
+  homepage: "https://www.curseforge.com/minecraft/mc-mods/engineers-decor/",
   "1.12.2": history,
   promos: {
     "1.12.2-recommended": latest_release,