diff --git a/git-commit-signing/run.sh b/git-commit-signing/run.sh
index 0217a57..57c5139 100755
--- a/git-commit-signing/run.sh
+++ b/git-commit-signing/run.sh
@@ -1,22 +1,18 @@
 #!/usr/bin/env sh
 
-# Convert templated variables to shell variables
-CODER_AGENT_URL=${CODER_AGENT_URL}
-CODER_AGENT_TOKEN=${CODER_AGENT_TOKEN}
-
 if ! command -v git > /dev/null; then
-  echo "git is not installed"
-  exit 1
+        echo "git is not installed"
+        exit 1
 fi
 
 if ! command -v curl > /dev/null; then
-  echo "curl is not installed"
-  exit 1
+        echo "curl is not installed"
+        exit 1
 fi
 
 if ! command -v jq > /dev/null; then
-  echo "jq is not installed"
-  exit 1
+        echo "jq is not installed"
+        exit 1
 fi
 
 mkdir -p ~/.ssh/git-commit-signing
@@ -24,14 +20,14 @@ mkdir -p ~/.ssh/git-commit-signing
 echo "Downloading SSH key"
 
 ssh_key=$(curl --request GET \
-  --url "$${CODER_AGENT_URL}api/v2/workspaceagents/me/gitsshkey" \
-  --header "Coder-Session-Token: $${CODER_AGENT_TOKEN}")
+        --url "${CODER_AGENT_URL}api/v2/workspaceagents/me/gitsshkey" \
+        --header "Coder-Session-Token: ${CODER_AGENT_TOKEN}")
 
-jq --raw-output ".public_key" > ~/.ssh/git-commit-signing/coder.pub << EOF
+jq --raw-output ".public_key" > ~/.ssh/git-commit-signing/coder.pub <<EOF
 $ssh_key
 EOF
 
-jq --raw-output ".private_key" > ~/.ssh/git-commit-signing/coder << EOF
+jq --raw-output ".private_key" > ~/.ssh/git-commit-signing/coder <<EOF
 $ssh_key
 EOF
 
@@ -42,4 +38,4 @@ echo "Configuring git to use the SSH key"
 
 git config --global gpg.format ssh
 git config --global commit.gpgsign true
-git config --global user.signingkey ~/.ssh/git-commit-signing/coder
+git config --global user.signingkey ~/.ssh/git-commit-signing/coder
\ No newline at end of file