feat(updates): porting check-chromium-extensions to lua

1 files changed, 56 insertions, 0 deletions

diff --git a/updates/web/chromium/check-chromium-extension-updates.lua b/updates/web/chromium/check-chromium-extension-updates.lua
new file mode 100644
index 0000000..815e8a4
--- /dev/null
+++ b/updates/web/chromium/check-chromium-extension-updates.lua
@@ -0,0 +1,56 @@
+#!/usr/bin/env luajit
+-- Checks for updated Chromium extensions against their GitHub releases/tags.
+
+local extensions = {
+  -- NOTE: replaced by the derivation build step, with the
+  -- detailed list of all extensions that we need to check
+  --@@EXTENSIONS@@--
+}
+
+local function printf(fmt, ...)
+  io.write(string.format(fmt, ...))
+end
+
+print("Checking for Chromium extension updates...")
+print("----------------------------------------------")
+print("")
+
+for _, ext in ipairs(extensions) do
+  local isTag = ext.updateType == "tag"
+  local endpoint
+  local jqFilter
+  if isTag then
+    endpoint = string.format("https://api.github.com/repos/%s/%s/tags", ext.owner, ext.repo)
+    jqFilter = ".[0].name"
+  else
+    endpoint = string.format("https://api.github.com/repos/%s/%s/releases/latest", ext.owner, ext.repo)
+    jqFilter = ".tag_name"
+  end
+
+  local proc = io.popen(string.format("curl -sL --fail %q | jq -r %q", endpoint, jqFilter))
+  local latestRaw = (proc and proc:read("*a") or ""):gsub("%s+$", "")
+  if proc then
+    proc:close()
+  end
+
+  if latestRaw == "" or latestRaw == "null" then
+    printf("FAIL [%s] Failed to fetch data from GitHub API.\n", ext.pname)
+  else
+    local prefix = ext.tagPrefix
+    local latest = latestRaw
+    if prefix ~= "" and latestRaw:sub(1, #prefix) == prefix then
+      latest = latestRaw:sub(#prefix + 1)
+    end
+
+    if latest ~= ext.version then
+      printf("UPDATE [%s] %s -> %s\n", ext.pname, ext.version, latest)
+      printf("  Repo: https://github.com/%s/%s\n", ext.owner, ext.repo)
+      print("")
+    else
+      printf("OK [%s] %s\n", ext.pname, ext.version)
+    end
+  end
+end
+
+print("----------------------------------------------")
+print("Done!")