[make-initrd] [PATCH v1 21/41] fork pipeline: bootchain sysvinit script now use external hooks

[Leonid Krivoshein <klark.devel@gmail.com>]

---
  .../data/etc/rc.d/init.d/bootchain            | 33 ++++++++++---------
  .../data/lib/bootchain-prepare.d/300-waitdev  | 12 +++++++
  2 files changed, 29 insertions(+), 16 deletions(-)
  create mode 100644 
make-initrd/features/bootchain-waitdev/data/lib/bootchain-prepare.d/300-waitdev

diff --git 
a/make-initrd/features/bootchain-core/data/etc/rc.d/init.d/bootchain 
b/make-initrd/features/bootchain-core/data/etc/rc.d/init.d/bootchain
index 89d9de5..7bdb1cf 100755
--- a/make-initrd/features/bootchain-core/data/etc/rc.d/init.d/bootchain
+++ b/make-initrd/features/bootchain-core/data/etc/rc.d/init.d/bootchain
@@ -1,6 +1,6 @@
  #!/bin/bash
  ### BEGIN INIT INFO
-# Provides:            pipeline
+# Provides:            bootchain
  # Required-Start:      uevent udev
  # Should-Start:
  # Required-Stop:
@@ -13,27 +13,28 @@
  . /.initrd/initenv
  . /etc/init.d/template
  -NAME=pipelined
+NAME=bootchained
  PIDFILE="/var/run/$NAME.pid"
  ARGS="--lockfile $LOCKFILE --pidfile $PIDFILE --name $NAME 
--displayname $NAME"
  -prepare() {
-	local dir i n
-
-	dir=/.initrd/pipeline/waitdev
-	mkdir -p -- "$dir"
-
-	i=0
-	while [ "$i" -lt "${WAITDEV:-0}" ]; do
-		touch "$dir/$i"
-		i=$(($i + 1))
-	done
+use_hooks()
+{
+	local hook hdir="$1"
+
+	if [ -d "$hdir" ]; then
+		# shellcheck disable=SC2012
+		for hook in $(ls -1 -- "$hdir"/* |sort) _; do
+			[ -s "$hook" ] ||
+				continue
+			. "$hook"
+		done
+	fi
  }
   start() {
  	RETVAL=0
-	if [ "${ROOT-}" = pipeline ]; then
-		prepare
+	if [ "${ROOT-}" = bootchain ] || [ "${ROOT-}" = pipeline ]; then
+		use_hooks /lib/bootchain-prepare.d
  		start_daemon --background $ARGS "$NAME"
  		RETVAL=$?
  	fi
@@ -43,7 +44,7 @@ start() {
  stop() {
  	stop_daemon $ARGS "$NAME"
  	RETVAL=$?
-	[ ! -f "$PIDFILE" ] || rm -f -- "$PIDFILE"
+	rm -f -- "$PIDFILE"
  	return $RETVAL
  }
  diff --git 
a/make-initrd/features/bootchain-waitdev/data/lib/bootchain-prepare.d/300-waitdev 
b/make-initrd/features/bootchain-waitdev/data/lib/bootchain-prepare.d/300-waitdev
new file mode 100644
index 0000000..f7315a3
--- /dev/null
+++ 
b/make-initrd/features/bootchain-waitdev/data/lib/bootchain-prepare.d/300-waitdev
@@ -0,0 +1,12 @@
+#!/bin/bash -efu
+
+dir=/.initrd/bootchain/waitdev
+mkdir -p -- "$dir"
+
+[ -z "${WAITDEV_TIMEOUT-}" ] ||
+	printf '%s\n' "$WAITDEV_TIMEOUT" >"$dir/TIMECNT"
+i=0
+while [ "$i" -lt "${WAITDEV:-0}" ]; do
+	touch "$dir/$i"
+	i=$((1 + $i))
+done
-- 
2.21.0