Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: factorio 0 -> 1
attrpath: factorio
Checking auto update branch...
[version] 
[version] generic version rewriter does not support multiple hashes
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/683m3gwsvnsj0jgy92k9ix66g4wlj2bh-packages.json.drv
building '/nix/store/683m3gwsvnsj0jgy92k9ix66g4wlj2bh-packages.json.drv'...
structuredAttrs is enabled

Going to be running update for following packages:
 - factorio-alpha-2.0.77

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - factorio-alpha-2.0.77: UPDATING ...
 - factorio-alpha-2.0.77: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/fa/factorio/versions.json b/pkgs/by-name/fa/factorio/versions.json
index 7242c663e25f..fe1e78c221c3 100644
--- a/pkgs/by-name/fa/factorio/versions.json
+++ b/pkgs/by-name/fa/factorio/versions.json
@@ -3,14 +3,14 @@
     "alpha": {
       "experimental": {
         "candidateHashFilenames": [
-          "factorio_linux_2.1.12.tar.xz"
+          "factorio_linux_2.1.19.tar.xz"
         ],
-        "name": "factorio_alpha_x64-2.1.12.tar.xz",
+        "name": "factorio_alpha_x64-2.1.19.tar.xz",
         "needsAuth": true,
-        "sha256": "551765f1c0b3d7500cdfd86f6ee9811d081341f23326ee07d6cb8b649d890b0e",
+        "sha256": "efc16d644d95fca70d9a0d7e286cbda0a9d3e2929d59c5c8026b4dd5f64652ce",
         "tarDirectory": "x64",
-        "url": "https://factorio.com/get-download/2.1.12/alpha/linux64",
-        "version": "2.1.12"
+        "url": "https://factorio.com/get-download/2.1.19/alpha/linux64",
+        "version": "2.1.19"
       },
       "stable": {
         "candidateHashFilenames": [
@@ -51,14 +51,14 @@
     "expansion": {
       "experimental": {
         "candidateHashFilenames": [
-          "factorio-space-age_linux_2.1.12.tar.xz"
+          "factorio-space-age_linux_2.1.19.tar.xz"
         ],
-        "name": "factorio_expansion_x64-2.1.12.tar.xz",
+        "name": "factorio_expansion_x64-2.1.19.tar.xz",
         "needsAuth": true,
-        "sha256": "abffbe356b15081017e0d319e4498210d162557cfc61aea0c425c892ffad3214",
+        "sha256": "43c50837405279624a6c94d6e5a19030cd401668d849aaeb71ca6a415ecb1064",
         "tarDirectory": "x64",
-        "url": "https://factorio.com/get-download/2.1.12/expansion/linux64",
-        "version": "2.1.12"
+        "url": "https://factorio.com/get-download/2.1.19/expansion/linux64",
+        "version": "2.1.19"
       },
       "stable": {
         "candidateHashFilenames": [
@@ -75,15 +75,15 @@
     "headless": {
       "experimental": {
         "candidateHashFilenames": [
-          "factorio-headless_linux_2.1.12.tar.xz",
-          "factorio_headless_x64_2.1.12.tar.xz"
+          "factorio-headless_linux_2.1.19.tar.xz",
+          "factorio_headless_x64_2.1.19.tar.xz"
         ],
-        "name": "factorio_headless_x64-2.1.12.tar.xz",
+        "name": "factorio_headless_x64-2.1.19.tar.xz",
         "needsAuth": false,
-        "sha256": "885ff029a40b0edd815cfe1fc13845f232723da1ea8fe9a83eae114d1eccd3fe",
+        "sha256": "e6b607da1d68aee85d1796dbc20e57360a70a66e4d997437ce25534c4ced2ab3",
         "tarDirectory": "x64",
-        "url": "https://factorio.com/get-download/2.1.12/headless/linux64",
-        "version": "2.1.12"
+        "url": "https://factorio.com/get-download/2.1.19/headless/linux64",
+        "version": "2.1.19"
       },
       "stable": {
         "candidateHashFilenames": [

Package version did not change.