4 files changed, 338 insertions, 0 deletions
diff --git a/hooks/fsck b/hooks/fsck
new file mode 100755
index 0000000..000ce4e
--- /dev/null
+++ b/hooks/fsck
@@ -0,0 +1,110 @@
+#!/bin/sh
+
+PREREQ=""
+
+prereqs()
+{
+	echo "$PREREQ"
+}
+
+# Find a specific fstab entry
+# $1=mountpoint
+# $2=fstype (optional)
+_read_fstab_entry () {
+	# Not found by default.
+	echo "MNT_FSNAME="
+	echo "MNT_DIR="
+	echo "MNT_TYPE="
+
+	for file in /etc/fstab /etc/fstab.d/*.fstab; do
+		if [ -f "$file" ]; then
+			# shellcheck disable=SC2034
+			while read -r MNT_FSNAME MNT_DIR MNT_TYPE MNT_OPTS MNT_FREQ MNT_PASS MNT_JUNK; do
+				case "$MNT_FSNAME" in
+				  ""|\#*)
+					continue;
+					;;
+				esac
+				if [ "$MNT_DIR" = "$1" ]; then
+					if [ -n "$2" ]; then
+						[ "$MNT_TYPE" = "$2" ] || continue;
+					fi
+					echo "MNT_FSNAME=$MNT_FSNAME"
+					echo "MNT_DIR=$MNT_DIR"
+					echo "MNT_TYPE=$MNT_TYPE"
+					echo "MNT_PASS=$MNT_PASS"
+					break 2
+				fi
+				MNT_DIR=""
+			done < "$file"
+		fi
+	done
+}
+
+# Find a specific fstab entry and print its type (if found, and pass != 0)
+# $1=mountpoint
+get_fsck_type_fstab () {
+	eval "$(_read_fstab_entry "$1")"
+
+	# Not found by default.
+	if [ "$1" = "$MNT_DIR" ]; then
+		# Ignore filesystem type for /, as it is not available and
+		# therefore never used at boot time
+		if [ "${MNT_DIR}" = "/" ] || [ "${MNT_TYPE}" = "auto" ]; then
+			MNT_FSNAME="$(resolve_device "${MNT_FSNAME}")"
+			fstype() { "/usr/lib/klibc/bin/fstype" "$@"; }
+			if ! get_fstype "${MNT_FSNAME}"; then
+				echo "W: Couldn't identify type of $2 file system for fsck hook" >&2
+			fi
+			unset -f fstype
+		else
+			echo "${MNT_TYPE}"
+		fi
+	fi
+}
+
+get_fsck_types() {
+	if [ "${FSTYPE:-auto}" = auto ]; then
+		get_fsck_type_fstab /    root
+		get_fsck_type_fstab /usr usr
+	else
+		local IFS=,
+		local fstype
+		set -f
+		for fstype in $FSTYPE; do
+			echo "$fstype"
+		done
+		set +f
+	fi
+}
+
+case $1 in
+prereqs)
+	prereqs
+	exit 0
+	;;
+esac
+
+if [ ! -x /sbin/fsck ]; then
+	exit 0
+fi
+
+. /usr/share/initramfs-tools/scripts/functions
+. /usr/share/initramfs-tools/hook-functions
+
+fsck_types="$(get_fsck_types | sort | uniq)"
+
+if [ -z "$fsck_types" ]; then
+	exit 0
+fi
+
+copy_exec /sbin/fsck
+copy_exec /sbin/logsave
+
+for type in $fsck_types; do
+	if prog="$(command -v "fsck.${type}")"; then
+		copy_exec "$prog"
+	else
+		echo "W: /sbin/fsck.${type} doesn't exist, can't install to initramfs" >&2
+	fi
+done
diff --git a/hooks/keymap b/hooks/keymap
new file mode 100755
index 0000000..64f8e6d
--- /dev/null
+++ b/hooks/keymap
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+PREREQ=""
+
+prereqs()
+{
+	echo "$PREREQ"
+}
+
+case $1 in
+# get pre-requisites
+prereqs)
+	prereqs
+	exit 0
+	;;
+esac
+
+# Hook to load keymaps into the initramfs if requested by KEYMAP="y"
+if [ "$KEYMAP" != "y" ] && [ "$KEYMAP" != "Y" ]; then
+	exit 0
+fi
+
+if [ ! -x /bin/setupcon ]; then
+	echo "setupcon is missing. Please install the 'console-setup' package."
+	exit 0
+fi
+
+. /usr/share/initramfs-tools/hook-functions
+
+# Tell setupcon to copy/create the files it needs.
+setupcon --setup-dir "$DESTDIR"
+
+# Copy additional files that setupcon needs.  We assume they are
+# executables.
+while read -r file; do
+	copy_exec "$file"
+done < "$DESTDIR/morefiles"
+rm -f "$DESTDIR/morefiles"
+
+exit 0
diff --git a/hooks/resume b/hooks/resume
new file mode 100755
index 0000000..8ff84dd
--- /dev/null
+++ b/hooks/resume
@@ -0,0 +1,117 @@
+#!/bin/sh
+
+PREREQ=""
+
+prereqs()
+{
+	echo "$PREREQ"
+}
+
+case $1 in
+# get pre-requisites
+prereqs)
+	prereqs
+	exit 0
+	;;
+esac
+
+. /usr/share/initramfs-tools/scripts/functions
+
+# First check if a location is set and is a valid swap partition.
+# If so, the config file will be copied in and there is nothing to do.
+if [ -n "$RESUME" ] && [ "$RESUME" != auto ]; then
+	if [ "$RESUME" = none ]; then
+		exit 0
+	fi
+	if resume_dev_node="$(resolve_device "$RESUME")" && \
+	   blkid -p -n swap "$resume_dev_node" >/dev/null 2>&1; then
+		exit 0
+	fi
+
+	echo >&2 "W: initramfs-tools configuration sets RESUME=$RESUME"
+	echo >&2 "W: but no matching swap device is available."
+fi
+
+# If we were not explicitly requested to select a device, or the -v
+# option is used, report that we are doing so
+report_auto()
+{
+	test "${verbose?}" != y && test "$RESUME" = auto || echo "I: $*"
+}
+
+# Report in excruciating detail if the -v option is used
+report_verbose()
+{
+	test "${verbose?}" != y || echo "I: $*"
+}
+
+report_verbose "Configuration sets RESUME=$RESUME"
+
+# Try to autodetect the RESUME partition, using biggest swap device that
+# is not ephemeral.  We need to be able to read the listed swap partitions.
+resume_auto=
+if ! ischroot && [ -r /proc/swaps ]; then
+	# shellcheck disable=SC2013
+	for resume_auto in $(grep ^/dev/ /proc/swaps | sort -rnk3 | cut -d " " -f 1); do
+		report_verbose "Checking swap device $resume_auto"
+		ephemeral=false
+		dm_name="$(dmsetup info -c --noheadings -o name "$resume_auto" 2>/dev/null)"
+
+		# dm-crypt is ephemeral if the key file is /dev/urandom
+		if [ -n "$dm_name" ] && [ -e /etc/crypttab ]; then
+			report_verbose "$resume_auto has device-mapper name $dm_name; checking crypttab"
+			# shellcheck disable=SC2034
+			while read -r cryptdev srcdev keyfile junk; do
+				report_verbose "Found cryptdev=$cryptdev keyfile=$keyfile"
+				if [ "$cryptdev" = "$dm_name" ] && [ "$keyfile" = /dev/urandom ]; then
+					report_verbose "Rejecting $resume_auto since it has no permanent key"
+					ephemeral=true
+				fi
+			done < /etc/crypttab
+		fi
+
+		# zram is ephemeral
+		case "$resume_auto" in
+		/dev/zram*)
+			report_verbose "Rejecting $resume_auto since it is zram"
+			ephemeral=true
+			;;
+
+		/dev/zd[0-9]*)
+			report_verbose "Rejecting $resume_auto since it is zvol"
+			ephemeral=true
+			;;
+		esac
+
+		$ephemeral || break
+	done
+
+	if $ephemeral; then
+		resume_auto=
+	fi
+	if [ -n "$resume_auto" ]; then
+		if [ -n "$dm_name" ]; then
+			resume_auto_canon="/dev/mapper/$dm_name"
+		elif UUID=$(blkid -s UUID -o value "$resume_auto"); then
+			resume_auto_canon="UUID=$UUID"
+		else
+			resume_auto_canon=
+		fi
+		report_auto "The initramfs will attempt to resume from $resume_auto"
+		if [ -n "$resume_auto_canon" ]; then
+			report_auto "($resume_auto_canon)"
+			resume_auto="$resume_auto_canon"
+		fi
+		report_auto "Set the RESUME variable to override this."
+	fi
+fi
+
+# Write selected resume device to intramfs conf.d
+if [ "$RESUME" = auto ] || [ -n "$resume_auto" ]; then
+	# If we were explicitly requested to select a device, and we failed,
+	# report that
+	if [ -z "$resume_auto" ]; then
+		echo >&2 "W: initramfs-tools failed to select a resume device"
+	fi
+	echo "RESUME=${resume_auto}" > "${DESTDIR}/conf/conf.d/zz-resume-auto"
+fi
diff --git a/hooks/thermal b/hooks/thermal
new file mode 100755
index 0000000..0a42c12
--- /dev/null
+++ b/hooks/thermal
@@ -0,0 +1,71 @@
+#!/bin/sh
+
+PREREQ=""
+
+prereqs()
+{
+	echo "$PREREQ"
+}
+
+case $1 in
+# get pre-requisites
+prereqs)
+	prereqs
+	exit 0
+	;;
+esac
+
+# Hooks for loading thermal bits into the initramfs
+
+. /usr/share/initramfs-tools/hook-functions
+
+case "$DPKG_ARCH" in
+# copy the right modules
+powerpc|ppc64)
+
+	# Only G5 Mac machines need to load
+	# windfarm_core or one of the windfarm_pm* modules.
+
+	[ -r /proc/cpuinfo ] || exit 0
+
+	MODEL="$(grep model /proc/cpuinfo)"
+	MODEL="${MODEL##*: }"
+
+	case "$MODEL" in
+	  RackMac3,1)
+	    force_load windfarm_rm31
+	    ;;
+	  PowerMac7,2|PowerMac7,3)
+	    force_load windfarm_pm72
+	    ;;
+	  PowerMac8,1|PowerMac8,2)
+	    force_load windfarm_pm81
+	    ;;
+	  PowerMac9,1)
+	    force_load windfarm_pm91
+	    ;;
+	  PowerMac11,2)
+	    force_load windfarm_pm112
+	    ;;
+	  PowerMac12,1)
+	    force_load windfarm_pm121
+	    ;;
+	  *)
+	    # No other machine needs windfarm_* modules on initrd.
+	    exit 0
+	    ;;
+	esac
+	manual_add_modules windfarm_core
+	manual_add_modules windfarm_cpufreq_clamp
+	manual_add_modules windfarm_lm75_sensor
+	manual_add_modules windfarm_max6690_sensor
+	manual_add_modules windfarm_pid
+	manual_add_modules windfarm_smu_controls
+	manual_add_modules windfarm_smu_sat
+	manual_add_modules windfarm_smu_sensors
+	;;
+i386|amd64|ia64)
+	manual_add_modules fan
+	manual_add_modules thermal
+	;;
+esac