diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 00000000..5e41726f
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,9 @@
+# https://EditorConfig.org
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_size = 2
+indent_style = space
diff --git a/install.sh b/install.sh
index 2f83f9ab..0b0bfa87 100755
--- a/install.sh
+++ b/install.sh
@@ -8,7 +8,7 @@ set -e
 cd "$(dirname "$0")"
 
 if [ -z "${PREFIX}" ]; then
-	PREFIX="/usr/local"
+  PREFIX="/usr/local"
 fi
 
 SHARE_PATH="${PREFIX}/share/node-build"
diff --git a/script/postinstall b/script/postinstall
index 25aec2b5..072fe199 100755
--- a/script/postinstall
+++ b/script/postinstall
@@ -4,21 +4,21 @@ set -euo pipefail
 IFS=$'\n\t'
 
 installed_by_name() {
-	local pattern='"remain":\["'${npm_package_name-}
+  local pattern='"remain":\["'${npm_package_name-}
 
-	[[ ${npm_config_argv-} =~ $pattern ]]
+  [[ ${npm_config_argv-} =~ $pattern ]]
 }
 
 if [ -n "${npm_config_argv-}" ] && ! installed_by_name; then
-	exit
+  exit
 fi
 
 cat <<-MSG
-	====================
-	${npm_package_name-} caveats:
+====================
+${npm_package_name-} caveats:
 
-	For \`node-build\`/\`nodenv install\` to pick up definitions provided by this plugin,
-	ensure share/node-build directory exists in NODE_BUILD_DEFINITIONS:
-	    export NODE_BUILD_DEFINITIONS="$PWD/share/node-build"
-	====================
+For \`node-build\`/\`nodenv install\` to pick up definitions provided by this plugin,
+ensure share/node-build directory exists in NODE_BUILD_DEFINITIONS:
+    export NODE_BUILD_DEFINITIONS="$PWD/share/node-build"
+====================
 MSG
diff --git a/script/preversion b/script/preversion
index f33dfc45..7ff6cf23 100755
--- a/script/preversion
+++ b/script/preversion
@@ -21,59 +21,59 @@ set -euo pipefail
 
 unset verbose strict
 while getopts "ov" opt; do
-	case "$opt" in
-	o) strict=1 ;;
-	v) verbose=1 ;;
-	*) break ;;
-	esac
+  case "$opt" in
+  o) strict=1 ;;
+  v) verbose=1 ;;
+  *) break ;;
+  esac
 done
 shift $((OPTIND - 1))
 
 if [ "${1-}" = -- ]; then
-	shift
+  shift
 fi
 
 abort() {
-	echo "Aborting: $1" >&2
-	exit "${2:-1}"
+  echo "Aborting: $1" >&2
+  exit "${2:-1}"
 }
 
 declare -a files
 if [ "$#" -gt 0 ]; then
-	files=("$@")
+  files=("$@")
 else
-	IFS=" " read -r -a files <<<"$(node -p 'require("./package").files.join(" ")')"
+  IFS=" " read -r -a files <<<"$(node -p 'require("./package").files.join(" ")')"
 fi
 
 git fetch --quiet --tags origin main
 
 existing="$(git tag --points-at HEAD)"
 if [ -n "$existing" ]; then
-	abort "HEAD is already tagged as '${existing}'"
+  abort "HEAD is already tagged as '${existing}'"
 fi
 
 current_branch="$(git symbolic-ref --short HEAD)"
 if [ "$current_branch" != main ]; then
-	abort "Not currently on main branch" 2
+  abort "Not currently on main branch" 2
 fi
 
 previous_tag="$(git describe --tags --abbrev=0)"
 if git diff --quiet "${previous_tag}..HEAD" -- "${files[@]}"; then
-	abort "No features to release since '${previous_tag}'"
+  abort "No features to release since '${previous_tag}'"
 fi
 
 allowed_changes=("${files[@]}" .github script *.md)
 allowed_changes=("${allowed_changes[@]/#/\':!\'}") # prefix pathspecs with git's "ignore"
 
 if [ -n "${strict-}" ] &&
-	! git diff --quiet "${previous_tag}..HEAD" -- "${allowed_changes[@]}"; then
-	{
-		echo "git diff --stat ${previous_tag}..HEAD -- ${allowed_changes[*]}"
-		git diff --stat "${previous_tag}..HEAD" -- "${allowed_changes[@]}"
-	} >&2
-	abort "Changes detected outside '${allowed_changes[*]#:!}'" 2
+  ! git diff --quiet "${previous_tag}..HEAD" -- "${allowed_changes[@]}"; then
+  {
+    echo "git diff --stat ${previous_tag}..HEAD -- ${allowed_changes[*]}"
+    git diff --stat "${previous_tag}..HEAD" -- "${allowed_changes[@]}"
+  } >&2
+  abort "Changes detected outside '${allowed_changes[*]#:!}'" 2
 fi
 
 if [ -n "${verbose-}" ]; then
-	git log "$previous_tag"... --oneline -- "${files[@]}"
+  git log "$previous_tag"... --oneline -- "${files[@]}"
 fi