diff --git a/build-utils/templ-edit.nu b/build-utils/templ-edit.nu
new file mode 100755
index 0000000..e38fc89
--- /dev/null
+++ b/build-utils/templ-edit.nu
@@ -0,0 +1,47 @@
+#!/usr/bin/env nu
+
+def main [] {}
+
+def "main find" [
+  file: string
+] {
+  open $file --raw
+  | lines
+  | enumerate
+  | update item {|it| $it.item | parse '{current}#:{name}:-{template}-:#' }
+  | filter {|it| $it.item | is-not-empty}
+  | flatten -a
+  | rename -c { index: line }
+}
+
+# TODO: support mroe then single template
+def "main edit" [
+  file: path
+  name: string
+  to: string
+  --preview
+] {
+  let template = main find $file
+    | where name == $name
+    | first;
+  let new = $template.template
+    | str replace $"%($name)%" $to
+    | append $" #:($template.name):-($template.template)-:#"
+    | str join;
+  let rest = open $file --raw
+    | lines
+    | enumerate
+    | where index != $template.line
+    | append { index: $template.line, item: $new}
+    | sort-by index
+    | reject index
+    | get item
+    | append ""
+    | str join "\n";
+
+  if $preview {
+    print $rest
+  } else {
+    $rest | save -f $file
+  }
+}
diff --git a/modules/desktop-environment/home/typst.nix b/modules/desktop-environment/home/typst.nix
index 4bf4d64..e6fc769 100644
--- a/modules/desktop-environment/home/typst.nix
+++ b/modules/desktop-environment/home/typst.nix
@@ -4,8 +4,8 @@
       domain = "forge.katzen.cafe";
       owner = "schrottkatze";
       repo = "typst-configs";
-      rev = "569cd8525a85878140baf5952597f27fd7ea51d3";
-      sha256 = "sha256-4pAammwrFGhpSquEsh4QSd8Hw/ioHm3fMiC5oqNgbAQ=";
+      rev = "569cd8525a85878140baf5952597f27fd7ea51d3"; #:REV:-      rev = "%REV%";-:#
+      sha256 = "sha256-4pAammwrFGhpSquEsh4QSd8Hw/ioHm3fMiC5oqNgbAQ="; #:SHA:-      sha256 = "%SHA%";-:#
     };
     flow = pkgs.fetchFromGitHub {
       owner = "MultisampledNight";