2 files changed, 61 insertions, 0 deletions
diff --git a/pkgs/firefoxAddonUpdateScript/package.nix b/pkgs/firefoxAddonUpdateScript/package.nix
new file mode 100644
index 0000000..9590caa
--- /dev/null
+++ b/pkgs/firefoxAddonUpdateScript/package.nix
@@ -0,0 +1,32 @@
+{
+  lib,
+  common-updater-scripts,
+  curl,
+  jq,
+  writeShellApplication,
+}:
+
+let
+  script = writeShellApplication {
+    name = "firefox-addon-update-script";
+
+    runtimeInputs = [
+      common-updater-scripts
+      curl
+      jq
+    ];
+
+    text = lib.fileContents ./script.sh;
+  };
+in
+
+{
+  addonRef,
+  attrPath,
+}:
+
+[
+  (lib.getExe script)
+  attrPath
+  addonRef
+]
diff --git a/pkgs/firefoxAddonUpdateScript/script.sh b/pkgs/firefoxAddonUpdateScript/script.sh
new file mode 100644
index 0000000..1d13cac
--- /dev/null
+++ b/pkgs/firefoxAddonUpdateScript/script.sh
@@ -0,0 +1,29 @@
+# shellcheck shell=bash
+
+readonly AMO_API="https://addons.mozilla.org/api/v5"
+readonly ADDON_ENDPOINT="/addons/addon"
+
+attribute="${1:-}"
+addon_ref="${2:-}"
+
+usage() {
+	echo "
+usage: $0 <attribute> <addon_ref>
+"
+}
+
+bail() {
+	usage
+	exit 1
+}
+
+if [[ -z $attribute ]] || [[ -z $addon_ref ]]; then
+	bail
+fi
+
+data="$(curl -sSL "$AMO_API/$ADDON_ENDPOINT/$addon_ref")"
+
+url="$(jq -r '.current_version.file.url' <<<"$data")"
+version="$(jq -r '.current_version.version' <<<"$data")"
+
+update-source-version "$attribute" "$version" "" "$url"