diff --git a/install b/install
index 6fa0ffc..b8f4c79 100755
--- a/install
+++ b/install
@@ -2,12 +2,17 @@
 set -euo pipefail
 cd -- "$(dirname -- "$0")"
 
-for dotfile in .*; do
-  [[ $dotfile =~ ^(\.\.?|\.git)$ ]] && continue
+function main() {
+  local dotfile
+  for dotfile in .*; do
+    [[ $dotfile =~ ^(\.\.?|\.git)$ ]] && continue
 
-  dotfile=$(realpath "$dotfile")
-  (
-    cd
-    ln -svf "$dotfile" .
-  )
-done
+    dotfile=$(realpath "$dotfile")
+    (
+      cd
+      ln -svf "$dotfile" .
+    )
+  done
+}
+
+main