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-rw-r--r--doc/gensquashfs.131
1 files changed, 20 insertions, 11 deletions
diff --git a/doc/gensquashfs.1 b/doc/gensquashfs.1
index a1150dd..4b739fd 100644
--- a/doc/gensquashfs.1
+++ b/doc/gensquashfs.1
@@ -1,16 +1,25 @@
-.TH GENSQUASHFS "1" "May 2019" "generate squashfs images" "User Commands"
+.TH GENSQUASHFS "1" "June 2019" "generate squashfs images" "User Commands"
.SH NAME
gensquashfs \- generate squashfs images
.SH SYNOPSIS
.B gensquashfs
-[\fI\,OPTIONS\/\fR] \fI\,<file-list> <squashfs-file>\/\fR
+[\fI\,OPTIONS\/\fR] <squashfs-file>\/\fR
.SH DESCRIPTION
-The first argument is a file containing a listing of all entries to include
-in the squashfs image.
-.PP
-The second argument is the file name of the SquashFS image to generate.
+Generate a SquashFS image.
.SH OPTIONS
.TP
+\fB\-\-pack\-file\fR, \fB\-F\fR <file>
+Use a \fBgen_init_cpio\fR style description file. The file format is specified
+below. If \fB\-\-pack\-dir\fR is used, input file paths are relative to the
+pack directory, otherwise they are relative to the directory the pack file
+is in.
+.TP
+\fB\-\-pack\-dir\fR, \fB\-D\fR <directory>
+If \fB\-\-pack\-file\fR is used, this is the root path relative to which to
+read files. If no pack file is specified, pack the contents of the given
+directory into a SquashFS image. The directory becomes the root of the file
+system.
+.TP
\fB\-\-compressor\fR, \fB\-c\fR <name>
Select the compressor to use (defaults to 'xz').
Run \fBgensquashfs \-\-help\fR to get a list of all available compressors.
@@ -92,9 +101,9 @@ l l
rd.
<path>;Absolute path of the entry in the image.
<location>;T{
-Optional location of the input file. Can be specified
-relative to the description file. If omitted, the
-image path is used, relative to the description file.
+Optional location of the input file. Can be specified relative to either the
+description file or the pack directory. If omitted, the image path is used
+as a relative path.
T}
<target>;Symlink target.
<mode>;Mode/permissions of the entry.
@@ -116,10 +125,10 @@ nod /dev/console 0600 0 0 c 5 1
dir /root 0700 0 0
dir /sbin 0755 0 0
-# Add a file. Input is relative to this listing.
+# Add a file. Input is relative to pack dir or listing path
file /sbin/init 0755 0 0 ../init/sbin/init
-# Read from ./bin/bash.
+# Read from ./bin/bash relative to pack dir or listing path
# /bin is created implicitly with default attributes.
file /bin/bash 0755 0 0
.fi