Add a trigger for creating/updating the initramfs.

It's activated at post-install time, and only if template uses:
triggers="initramfs-tools". Use it in the kernel package.

Also print a message when a trigger is being run.

--HG--
extra : convert_revision : 3f2a0c113ed523e4b09822665cf6d94e30b7d1e4

triggers/info-files

@@ -25,6 +25,8 @@ run)
 		exit 1
 	fi
 
+	echo "Running $trigger trigger..."
+
 	cat $finfometa | while read line; do
 		[ ! -f ./$line ] && continue
 

triggers/initramfs-tools

@@ -0,0 +1,57 @@
+#!/bin/sh
+#
+# Runs update-initramfs(8) to create/update an initramfs for specified
+# version (if the pkg that is triggering it) or for the currently
+# installed kernel otherwise.
+#
+# Arguments:	$1 = action [run/targets]
+#		$2 = target [post-install]
+#		$3 = pkgname
+#		$4 = version
+#
+trigger="initramfs-tools"
+
+case "$1" in
+targets)
+	echo "post-install"
+	;;
+run)
+	[ ! -x ./usr/sbin/update-initramfs ] && exit 0
+	[ "$2" != "post-install" ] && exit 1
+
+	echo "Running $trigger trigger..."
+
+	if [ "$(pwd)" = "/" ]; then
+		mntproc_cmd="mount -t proc proc /proc"
+		umntproc_cmd="umount /proc"
+		mntsys_cmd="mount -t sysfs none /sys"
+		umntsys_cmd="umount /sys"
+		initramfs_cmd="update-initramfs"
+	else
+		mntproc_cmd="chroot . mount -t proc proc ./proc"
+		umntproc_cmd="chroot . umount ./proc"
+		mntsys_cmd="chroot . mount -t sysfs none ./sys"
+		umntsys_cmd="chroot . umount ./sys"
+		initramfs_cmd="chroot . update-initramfs"
+	fi
+
+	if [ "$3" = "kernel" -a ! -f ./var/lib/initramfs-tools/$4 ]; then
+		initramfs_cmd="$initramfs_cmd -c -k $4"
+	elif [ "$3" != "kernel" -o ! -f ./var/lib/initramfs-tools/$4 ]; then
+		initramfs_cmd="$initramfs_cmd -c -k $(xbps-pkgdb version kernel)"
+	else
+		initramfs_cmd="$initramfs_cmd -u -k $4"
+	fi
+
+	${mntproc_cmd}
+	${mntsys_cmd}
+	${initramfs_cmd}
+	${umntproc_cmd}
+	${umntsys_cmd}
+	;;
+*)
+	exit 1
+	;;
+esac
+
+exit 0