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Bump bundled libarchive version to 3.5.2

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- Update bunlded libarchive version used on Windows/Mac
- Enable requested zstd support while we are at it. Closes #211
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<p>MTREE(5) BSD File Formats Manual MTREE(5)</p>
<p style="margin-top: 1em"><b>NAME</b></p>
<p style="margin-left:6%;"><b>mtree</b> &mdash; format of
mtree dir hierarchy files</p>
<p style="margin-top: 1em"><b>DESCRIPTION</b></p>
<p style="margin-left:6%;">The <b>mtree</b> format is a
textual format that describes a collection of filesystem
objects. Such files are typically used to create or verify
directory hierarchies.</p>
<p style="margin-left:6%; margin-top: 1em"><b>General
Format</b> <br>
An <b>mtree</b> file consists of a series of lines, each
providing information about a single filesystem object.
Leading whitespace is always ignored.</p>
<p style="margin-left:6%; margin-top: 1em">When encoding
file or pathnames, any backslash character or character
outside of the 95 printable ASCII characters must be encoded
as a backslash followed by three octal digits. When reading
mtree files, any appearance of a backslash followed by three
octal digits should be converted into the corresponding
character.</p>
<p style="margin-left:6%; margin-top: 1em">Each line is
interpreted independently as one of the following types:</p>
<p style="margin-top: 1em">Blank</p>
<p style="margin-left:22%; margin-top: 1em">Blank lines are
ignored.</p>
<p style="margin-top: 1em">Comment</p>
<p style="margin-left:22%; margin-top: 1em">Lines beginning
with <b>#</b> are ignored.</p>
<p style="margin-top: 1em">Special</p>
<p style="margin-left:22%; margin-top: 1em">Lines beginning
with <b>/</b> are special commands that influence the
interpretation of later lines.</p>
<p style="margin-top: 1em">Relative</p>
<p style="margin-left:22%; margin-top: 1em">If the first
whitespace-delimited word has no <b>/</b> characters, it is
the name of a file in the current directory. Any relative
entry that describes a directory changes the current
directory.</p>
<p style="margin-top: 1em">dot-dot</p>
<p style="margin-left:22%; margin-top: 1em">As a special
case, a relative entry with the filename <i>..</i> changes
the current directory to the parent directory. Options on
dot-dot entries are always ignored.</p>
<p style="margin-top: 1em">Full</p>
<p style="margin-left:22%; margin-top: 1em">If the first
whitespace-delimited word has a <b>/</b> character after the
first character, it is the pathname of a file relative to
the starting directory. There can be multiple full entries
describing the same file.</p>
<p style="margin-left:6%; margin-top: 1em">Some tools that
process <b>mtree</b> files may require that multiple lines
describing the same file occur consecutively. It is not
permitted for the same file to be mentioned using both a
relative and a full file specification.</p>
<p style="margin-left:6%; margin-top: 1em"><b>Special
commands</b> <br>
Two special commands are currently defined:</p>
<p style="margin-top: 1em"><b>/set</b></p>
<p style="margin-left:22%; margin-top: 1em">This command
defines default values for one or more keywords. It is
followed on the same line by one or more
whitespace-separated keyword definitions. These definitions
apply to all following files that do not specify a value for
that keyword.</p>
<p style="margin-top: 1em"><b>/unset</b></p>
<p style="margin-left:22%; margin-top: 1em">This command
removes any default value set by a previous <b>/set</b>
command. It is followed on the same line by one or more
keywords separated by whitespace.</p>
<p style="margin-left:6%; margin-top: 1em"><b>Keywords</b>
<br>
After the filename, a full or relative entry consists of
zero or more whitespace-separated keyword definitions. Each
such definition consists of a key from the following list
immediately followed by an &rsquo;=&rsquo; sign and a value.
Software programs reading mtree files should warn about
unrecognized keywords.</p>
<p style="margin-left:6%; margin-top: 1em">Currently
supported keywords are as follows:</p>
<p style="margin-top: 1em"><b>cksum</b></p>
<p style="margin-left:22%; margin-top: 1em">The checksum of
the file using the default algorithm specified by the
cksum(1) utility.</p>
<p style="margin-top: 1em"><b>device</b></p>
<p style="margin-left:22%; margin-top: 1em">The device
number for <b>block</b> or <b>char</b> file types. The value
must be one of the following forms:</p>
<p style="margin-top: 1em"><i>format</i>,<i>major</i>,<i>minor</i>[
<br>
,<i>subunit</i>]</p>
<p style="margin-left:29%;">A device with <i>major</i>,
<i>minor</i> and optional <i>subunit</i> fields. Their
meaning is specified by the operating&rsquo;s system
<i>format</i>. See below for valid formats.</p>
<p style="margin-top: 1em"><i>number</i></p>
<p style="margin-left:29%;">Opaque number (as stored on the
file system).</p>
<p style="margin-left:22%; margin-top: 1em">The following
values for <i>format</i> are recognized: <b>native</b>,
<b>386bsd</b>, <b>4bsd</b>, <b>bsdos</b>, <b>freebsd</b>,
<b>hpux</b>, <b>isc</b>, <b>linux</b>, <b>netbsd</b>,
<b>osf1</b>, <b>sco</b>, <b>solaris</b>, <b>sunos</b>,
<b>svr3</b>, <b>svr4</b>, and <b>ultrix</b>.</p>
<p style="margin-left:22%; margin-top: 1em">See mknod(8)
for more details.</p>
<p style="margin-top: 1em"><b>contents</b></p>
<p style="margin-left:22%; margin-top: 1em">The full
pathname of a file that holds the contents of this file.</p>
<p style="margin-top: 1em"><b>flags</b></p>
<p style="margin-left:22%; margin-top: 1em">The file flags
as a symbolic name. See chflags(1) for information on these
names. If no flags are to be set the string
&ldquo;none&rdquo; may be used to override the current
default.</p>
<p style="margin-top: 1em"><b>gid</b></p>
<p style="margin-left:22%; margin-top: 1em">The file group
as a numeric value.</p>
<p style="margin-top: 1em"><b>gname</b></p>
<p style="margin-left:22%; margin-top: 1em">The file group
as a symbolic name.</p>
<p style="margin-top: 1em"><b>ignore</b></p>
<p style="margin-left:22%; margin-top: 1em">Ignore any file
hierarchy below this file.</p>
<p style="margin-top: 1em"><b>inode</b></p>
<p style="margin-left:22%; margin-top: 1em">The inode
number.</p>
<p style="margin-top: 1em"><b>link</b></p>
<p style="margin-left:22%; margin-top: 1em">The target of
the symbolic link when type=link.</p>
<p style="margin-top: 1em"><b>md5</b></p>
<p style="margin-left:22%; margin-top: 1em">The MD5 message
digest of the file.</p>
<p style="margin-top: 1em"><b>md5digest</b></p>
<p style="margin-left:22%; margin-top: 1em">A synonym for
<b>md5</b>.</p>
<p style="margin-top: 1em"><b>mode</b></p>
<p style="margin-left:22%; margin-top: 1em">The current
file&rsquo;s permissions as a numeric (octal) or symbolic
value.</p>
<p style="margin-top: 1em"><b>nlink</b></p>
<p style="margin-left:22%; margin-top: 1em">The number of
hard links the file is expected to have.</p>
<p style="margin-top: 1em"><b>nochange</b></p>
<p style="margin-left:22%; margin-top: 1em">Make sure this
file or directory exists but otherwise ignore all
attributes.</p>
<p style="margin-top: 1em"><b>optional</b></p>
<p style="margin-left:22%; margin-top: 1em">The file is
optional; do not complain about the file if it is not in the
file hierarchy.</p>
<p style="margin-top: 1em"><b>resdevice</b></p>
<p style="margin-left:22%; margin-top: 1em">The
&ldquo;resident&rdquo; device number of the file, e.g. the
ID of the device that contains the file. Its format is the
same as the one for <b>device</b>.</p>
<p style="margin-top: 1em"><b>ripemd160digest</b></p>
<p style="margin-left:22%;">The RIPEMD160 message digest of
the file.</p>
<p style="margin-top: 1em"><b>rmd160</b></p>
<p style="margin-left:22%; margin-top: 1em">A synonym for
<b>ripemd160digest</b>.</p>
<p style="margin-top: 1em"><b>rmd160digest</b></p>
<p style="margin-left:22%;">A synonym for
<b>ripemd160digest</b>.</p>
<p style="margin-top: 1em"><b>sha1</b></p>
<p style="margin-left:22%; margin-top: 1em">The FIPS 160-1
(&ldquo;SHA-1&rdquo;) message digest of the file.</p>
<p style="margin-top: 1em"><b>sha1digest</b></p>
<p style="margin-left:22%; margin-top: 1em">A synonym for
<b>sha1</b>.</p>
<p style="margin-top: 1em"><b>sha256</b></p>
<p style="margin-left:22%; margin-top: 1em">The FIPS 180-2
(&ldquo;SHA-256&rdquo;) message digest of the file.</p>
<p style="margin-top: 1em"><b>sha256digest</b></p>
<p style="margin-left:22%;">A synonym for
<b>sha256</b>.</p>
<p style="margin-top: 1em"><b>sha384</b></p>
<p style="margin-left:22%; margin-top: 1em">The FIPS 180-2
(&ldquo;SHA-384&rdquo;) message digest of the file.</p>
<p style="margin-top: 1em"><b>sha384digest</b></p>
<p style="margin-left:22%;">A synonym for
<b>sha384</b>.</p>
<p style="margin-top: 1em"><b>sha512</b></p>
<p style="margin-left:22%; margin-top: 1em">The FIPS 180-2
(&ldquo;SHA-512&rdquo;) message digest of the file.</p>
<p style="margin-top: 1em"><b>sha512digest</b></p>
<p style="margin-left:22%;">A synonym for
<b>sha512</b>.</p>
<p style="margin-top: 1em"><b>size</b></p>
<p style="margin-left:22%; margin-top: 1em">The size, in
bytes, of the file.</p>
<p style="margin-top: 1em"><b>time</b></p>
<p style="margin-left:22%; margin-top: 1em">The last
modification time of the file.</p>
<p style="margin-top: 1em"><b>type</b></p>
<p style="margin-left:22%; margin-top: 1em">The type of the
file; may be set to any one of the following:</p>
<p style="margin-top: 1em"><b>block</b></p>
<p style="margin-left:37%; margin-top: 1em">block special
device</p>
<p><b>char</b></p>
<p style="margin-left:37%; margin-top: 1em">character
special device</p>
<p><b>dir</b></p>
<p style="margin-left:37%; margin-top: 1em">directory</p>
<p><b>fifo</b></p>
<p style="margin-left:37%; margin-top: 1em">fifo</p>
<p><b>file</b></p>
<p style="margin-left:37%; margin-top: 1em">regular
file</p>
<p><b>link</b></p>
<p style="margin-left:37%; margin-top: 1em">symbolic
link</p>
<p><b>socket</b></p>
<p style="margin-left:37%; margin-top: 1em">socket</p>
<p style="margin-top: 1em"><b>uid</b></p>
<p style="margin-left:22%; margin-top: 1em">The file owner
as a numeric value.</p>
<p style="margin-top: 1em"><b>uname</b></p>
<p style="margin-left:22%; margin-top: 1em">The file owner
as a symbolic name.</p>
<p style="margin-top: 1em"><b>SEE ALSO</b></p>
<p style="margin-left:6%;">cksum(1), find(1), mtree(8)</p>
<p style="margin-top: 1em"><b>HISTORY</b></p>
<p style="margin-left:6%;">The <b>mtree</b> utility
appeared in 4.3BSD-Reno. The MD5 digest capability was added
in FreeBSD&nbsp;2.1, in response to the widespread use of
programs which can spoof cksum(1). The SHA-1 and RIPEMD160
digests were added in FreeBSD&nbsp;4.0, as new attacks have
demonstrated weaknesses in MD5. The SHA-256 digest was added
in FreeBSD&nbsp;6.0. Support for file flags was added in
FreeBSD&nbsp;4.0, and mostly comes from NetBSD. The
&ldquo;full&rdquo; entry format was added by NetBSD.</p>
<p style="margin-left:6%; margin-top: 1em">BSD
September&nbsp;4, 2013 BSD</p>
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