diff --git a/scripts/update_from_template.sh b/scripts/update_from_template.sh
index 96d4fb8..8484267 100755
--- a/scripts/update_from_template.sh
+++ b/scripts/update_from_template.sh
@@ -1,13 +1,17 @@
 #! /bin/bash
 set -eo pipefail
 
-git config --global pull.rebase false
-git remote add template https://github.com/blooop/python_template.git
+TEMPLATE_URL="${TEMPLATE_URL:-https://github.com/blooop/python_template.git}"
+BRANCH="${BRANCH:-feature/update_from_template}"
+
+git config pull.rebase false
+git remote remove template 2>/dev/null || true
+git remote add template "$TEMPLATE_URL"
 git fetch --all
 git checkout main && git pull origin main
-git checkout -B feature/update_from_template; git pull
+git checkout -B "$BRANCH"
 git merge template/main --allow-unrelated-histories -m 'feat: pull changes from remote template'
-git checkout --ours pixi.lock
+git checkout --ours pixi.lock 2>/dev/null || true
 
 # regenerate lockfile to match merged pyproject.toml
 pixi update
@@ -15,5 +19,5 @@ git add pixi.lock
 git diff --cached --quiet || git commit -m 'chore: update pixi.lock after template merge'
 
 git remote remove template
-git push --set-upstream origin feature/update_from_template
+git push --set-upstream origin "$BRANCH"
 git checkout main