diff --git a/bin/apt-install b/bin/apt-install
index be19fecd0..d46179c64 100755
--- a/bin/apt-install
+++ b/bin/apt-install
@@ -3,18 +3,18 @@
 # Usage: apt-install package1 package2 package3 ...
 
 main() {
-    declare PACKAGES=("$@")
+  declare PACKAGES=("$@")
 
-    if [[ ${#PACKAGES[@]} -eq 0 ]]; then
-        echo "Usage: apt-install package1 package2 package3 ..."
-        exit 1
-    fi
+  if [[ ${#PACKAGES[@]} -eq 0 ]]; then
+    echo "Usage: apt-install package1 package2 package3 ..."
+    exit 1
+  fi
 
-    DEBIAN_FRONTEND=noninteractive
-    apt-get update
-    apt-get -o Dpkg::Use-Pty=0 --no-install-recommends -y install "${PACKAGES[@]}"
-    apt-get clean
-    rm -rf /var/cache/apt/archives/* /var/lib/apt/lists/* /var/tmp/*
+  DEBIAN_FRONTEND=noninteractive
+  apt-get update
+  apt-get -o Dpkg::Use-Pty=0 --no-install-recommends -y install "${PACKAGES[@]}"
+  apt-get clean
+  rm -rf /var/cache/apt/archives/* /var/lib/apt/lists/* /var/tmp/*
 }
 
 main "$@"
diff --git a/include/buildpack.bash b/include/buildpack.bash
index 481ec2c83..6368085f6 100644
--- a/include/buildpack.bash
+++ b/include/buildpack.bash
@@ -9,13 +9,13 @@ _envfile-parse() {
     key=${key#*export }
     value="${line#*=}"
     case "$value" in
-    \'* | \"*)
-      # shellcheck disable=SC2269
-      value="${value}"
-      ;;
-    *)
-      value=\""${value}"\"
-      ;;
+      \'* | \"*)
+        # shellcheck disable=SC2269
+        value="${value}"
+        ;;
+      *)
+        value=\""${value}"\"
+        ;;
     esac
     echo "export ${key}=${value}"
   done <<<"$(cat)"
@@ -113,20 +113,20 @@ buildpack-install() {
   else
     local tar_args
     case "$url" in
-    *.tgz | *.tar.gz)
-      target_path="${target_path//.tgz/}"
-      target_path="${target_path//.tar.gz/}"
-      tar_args="-xzC"
-      ;;
-    *.tbz | *.tar.bz)
-      target_path="${target_path//.tbz/}"
-      target_path="${target_path//.tar.bz/}"
-      tar_args="-xjC"
-      ;;
-    *.tar)
-      target_path="${target_path//.tar/}"
-      tar_args="-xC"
-      ;;
+      *.tgz | *.tar.gz)
+        target_path="${target_path//.tgz/}"
+        target_path="${target_path//.tar.gz/}"
+        tar_args="-xzC"
+        ;;
+      *.tbz | *.tar.bz)
+        target_path="${target_path//.tbz/}"
+        target_path="${target_path//.tar.bz/}"
+        tar_args="-xjC"
+        ;;
+      *.tar)
+        target_path="${target_path//.tar/}"
+        tar_args="-xC"
+        ;;
     esac
     echo "Downloading '$url' into '$target_path'..."
     mkdir -p "$target_path"