xbps-triggers: new kernel-hooks trigger, simplify initramfs-tools.

srcpkgs/xbps-triggers/files/kernel-hooks

@@ -0,0 +1,55 @@
+#!/bin/sh -e
+#
+# Run scripts found in /etc/kernel.d/ directories.
+#
+# Arguments:	$ACTION = [run/targets]
+#		$TARGET = [post-install/post-remove]
+#		$PKGNAME
+#		$VERSION
+#		$UPDATE = [yes/no]
+#
+ACTION="$1"
+TARGET="$2"
+PKGNAME="$3"
+VERSION="$4"
+UPDATE="$5"
+
+export PATH="$PATH:/usr/local/bin"
+
+RUN_TARGETS="pre-install post-install pre-remove post-remove"
+
+case "$ACTION" in
+targets)
+	echo "${RUN_TARGETS}"
+	;;
+run)
+	# Ignore pre-remove when updating a package.
+	if [ "${TARGET}" = "pre-remove" ]; then
+		[ "${UPDATE}" = "yes" ] && exit 0
+	fi
+
+	# Create required dirs when necessary.
+	for _dir_ in ${RUN_TARGETS}; do
+		[ ! -d etc/kernel.d/${_dir_} ] && mkdir -p etc/kernel.d/${_dir_}
+	done
+
+	# Execute kernel hooks for the specified target.
+	for _file_ in /etc/kernel.d/${TARGET}/*; do
+		[ ! -x "${_file_}" ] && continue
+		echo "Executing ${TARGET} kernel hook: $(basename ${_file_}) ..."
+
+		# A package may export "kernel_hooks_version" as a hint
+		# to pass this version to the hooks.
+		if [ -n "${kernel_hooks_version}" ]; then
+			${_file_} ${PKGNAME} ${kernel_hooks_version}
+		else
+			${_file_} ${PKGNAME} ${VERSION}
+		fi
+	done
+	;;
+*)
+	exit 1
+	;;
+esac
+
+exit 0