From c8506749a7873cecdce64a6ffcf34ef66cbcaa41 Mon Sep 17 00:00:00 2001
From: inference <admin@inferencium.net>
Date: Tue, 24 Jan 2023 09:06:28 +0000
Subject: [PATCH] Add file purpose. Switch license from BSD-3-Clause-Clear to
 GPL-3.0-or-later.

---
 portage/bashrc | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 portage/bashrc

diff --git a/portage/bashrc b/portage/bashrc
new file mode 100644
index 0000000..8811e64
--- /dev/null
+++ b/portage/bashrc
@@ -0,0 +1,36 @@
+# Inferencium
+# Portage - bashrc
+
+# Copyright 2022-2023 Inference
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# Version: 1.0.0.2
+
+
+# Automatically update cfg-update index.
+pre_pkg_setup() {
+	[[ $ROOT = / ]] && cfg-update --index
+}
+
+function pre_pkg_preinst() {
+    # Sign out-of-tree kernel modules.
+    if [[ "$(type -t linux-mod_pkg_preinst)" != "function" ]]; then
+        # The package does not seem to install any kernel modules.
+        return
+    fi
+    # Get signature algorithm used by the kernel.
+    local module_sig_hash="$(grep -Po '(?<=CONFIG_MODULE_SIG_HASH=").*(?=")' "${KERNEL_DIR}/.config")"
+    # Get the key file used by the kernel.
+    local module_sig_key="$(grep -Po '(?<=CONFIG_MODULE_SIG_KEY=").*(?=")' "${KERNEL_DIR}/.config")"
+    module_sig_key="${module_sig_key:-certs/signing_key.pem}"
+    # Key file or PKCS11 URI path.
+    if [[ "${module_sig_key#pkcs11:}" == "${module_sig_key}" && "${module_sig_key#/}" == "${module_sig_key}" ]]; then
+        local key_path="${KERNEL_DIR}/${module_sig_key}"
+    else
+        local key_path="${module_sig_key}"
+    fi
+    # Certificate path.
+    local cert_path="${KERNEL_DIR}/certs/signing_key.x509"
+    # Sign all installed modules before merging.
+    find "${D%/}/${INSDESTTREE#/}/" -name "*.ko" -exec "${KERNEL_DIR}/scripts/sign-file" "${module_sig_hash}" "${key_path}" "${cert_path}" '{}' \;
+}