diff --git a/.editorconfig b/.editorconfig
index 4d03d8c669dc..224e2ac75cc4 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -1,5 +1,8 @@
 # https://editorconfig.org
 
+# SPDX-FileCopyrightText: Arch Linux contributors
+# SPDX-License-Identifier: 0BSD
+
 root = true
 
 [*]
diff --git a/.gitignore b/.gitignore
index 60c32c4be19c..7d42488f51d2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Arch Linux contributors
+# SPDX-License-Identifier: 0BSD
+
 /.vscode
 /src
 /pkg
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 000000000000..b87c5e4be442
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,12 @@
+Copyright Arch Linux Contributors
+
+Permission to use, copy, modify, and/or distribute this software for
+any purpose with or without fee is hereby granted.
+
+THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL
+WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE
+FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
+DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/LICENSES/0BSD.txt b/LICENSES/0BSD.txt
new file mode 120000
index 000000000000..ea5b60640b01
--- /dev/null
+++ b/LICENSES/0BSD.txt
@@ -0,0 +1 @@
+../LICENSE
\ No newline at end of file
diff --git a/REUSE.toml b/REUSE.toml
new file mode 100644
index 000000000000..85017554fad0
--- /dev/null
+++ b/REUSE.toml
@@ -0,0 +1,22 @@
+version = 1
+
+[[annotations]]
+path = [
+    "PKGBUILD",
+    "README.md",
+    "keys/**",
+    ".SRCINFO",
+    ".nvchecker.toml",
+    "*.install",
+    "*.sysusers",
+    "*.tmpfiles",
+    "*.logrotate",
+    "*.pam",
+    "*.service",
+    "*.socket",
+    "*.timer",
+    "*.desktop",
+    "*.hook",
+]
+SPDX-FileCopyrightText = "Arch Linux contributors"
+SPDX-License-Identifier = "0BSD"
diff --git a/check-for-update.sh b/check-for-update.sh
deleted file mode 100755
index a3343e5ef306..000000000000
--- a/check-for-update.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/usr/bin/env bash
-set -eu -o pipefail
-
-cd "$(dirname "${0}")"
-source PKGBUILD
-
-_latest="$(
-  curl -s -o /dev/null -w '%{json}' "${_url_base}-latest.tar.gz" \
-    | jq -r '.redirect_url' \
-    | sed -E 's/.*SDK-(.*)\.tar\.gz/\1/'
-)"
-
-if [ "${_latest}" != "${pkgver}" ]
-then
-  echo >&2 "${pkgname}: AUR ${pkgver} != upstream ${_latest}"
-  exit 1
-fi
-
-echo >&2 "${pkgname}: AUR ${pkgver} == upstream ${_latest}"
diff --git a/playdate-simulator.shim b/playdate-simulator.shim
index 574d2a29b144..edf2e5040a9e 100755
--- a/playdate-simulator.shim
+++ b/playdate-simulator.shim
@@ -1,4 +1,8 @@
 #!/usr/bin/env bash
+
+# SPDX-FileCopyrightText: Arch Linux contributors
+# SPDX-License-Identifier: 0BSD
+
 if [[ -z "${PLAYDATE_SDK_PATH:-}" ]]; then
   export PLAYDATE_SDK_PATH="${XDG_DATA_HOME:-"${HOME}/.local/share"}/playdate-sdk"
 fi