commit 2c91f793bde657bb0bbd57b14a49cc5e1728dd19
Author: Leonid Krivoshein <klark@altlinux.org>
Date:   Thu Apr 1 02:45:23 2021 +0300

    pipeline/mountfs: add MOUNTFSOPTS= and MOUNTFSTYPE= parameters

diff --git a/features/pipeline/README.md b/features/pipeline/README.md
index c573163..fa3f9e3 100644
--- a/features/pipeline/README.md
+++ b/features/pipeline/README.md
@@ -16,11 +16,16 @@ the previous elements.
 - `pipeline=name[,name1][,name2]` - the main parameter that determines the order
   in which pipe elements are called.
 - `getimage` specifies an URL to fetch and mount.
-- `mountfs` specifies a file to mount.
-- `overlayfs` defines a list of elements to be combined.
 - `waitdev` describes the local device to wait. The format of this parameter is
    the same as `root=`.
 
+## Optional additional parameters
+
+- `mountfs` specifies a file to mount.
+- `mountfstype` specifies a filesystem type.
+- `mountfsopts` specifies a mount options.
+- `overlayfs` defines a list of elements to be combined.
+
 The separator between the elements is a comma (`,`).
 
 The parameters can be specified more than once depending on how many times
diff --git a/features/pipeline/data/etc/initrd/cmdline.d/pipeline b/features/pipeline/data/etc/initrd/cmdline.d/pipeline
index 4200d57..eb4854e 100644
--- a/features/pipeline/data/etc/initrd/cmdline.d/pipeline
+++ b/features/pipeline/data/etc/initrd/cmdline.d/pipeline
@@ -3,3 +3,5 @@ register_array string GETIMAGE
 register_array string MOUNTFS
 register_array string OVERLAYFS
 register_array string WAITDEV
+register_array string MOUNTFSOPTS
+register_array string MOUNTFSTYPE
diff --git a/features/pipeline/data/lib/pipeline/mountfs b/features/pipeline/data/lib/pipeline/mountfs
index 138afa5..6833455 100755
--- a/features/pipeline/data/lib/pipeline/mountfs
+++ b/features/pipeline/data/lib/pipeline/mountfs
@@ -9,8 +9,10 @@ target="$(resolve_target "$param")"
 [ -n "$target" ] ||
 	fatal "unable to resolve: $param"
 
-opts=
-[ ! -c "$target" ] && [ ! -b "$target" ] ||
+fstype="$(get_parameter MOUNTFSTYPE)"
+
+opts="$(get_parameter MOUNTFSOPTS)"
+[ ! -c "$target" ] && [ ! -b "$target" ] || [ -n "$opts" ] ||
 	opts='ro,loop'
 
-run mount ${opts:+-o $opts} "$target" "$destdir"
+run mount ${fstype:+-t $fstype} ${opts:+-o $opts} -- "$target" "$destdir"