add manpage

closes #9

Makefile

@@ -22,6 +22,8 @@ DESTDIR = /usr
 OSXDEST = /usr/local
 SBINDIR = $(DESTDIR)/sbin
 DOCDIR  = $(DESTDIR)/share/doc/$(PACKAGE)
+MANPAGE = gophernicus.1.man 
+MANDEST = $(DESTDIR)/share/man/man1/gophernicus.1
 
 ROOT    = /var/gopher
 OSXROOT = /Library/GopherServer
@@ -167,6 +169,7 @@ install-files: $(BINARY)
 install-docs:
 	mkdir -p $(DOCDIR)
 	$(INSTALL) -m 644 $(DOCS) $(DOCDIR)
+	$(INSTALL) -m 644 $(MANPAGE) $(MANDEST)
 	@echo
 
 install-root:

gophernicus.1.man

@@ -0,0 +1,74 @@
+.\" Manpage for gophernicus.
+.TH man 1 "31 Sep 2019" "3.0.1" "gophernicus man page"
+.SH NAME
+gophernicus - a modern, full-featured and secure gopher daemon
+.SH SYNOPSIS
+gophernicus [options]
+.SH DESCRIPTION
+gophernicus is a daemon that serves the gopher protocol. It serves almost fully
+compliant RFC 1436, with a few very small changes to make it more modern.
+gophernicus has many useful features, including userdirs, executable gophermaps,
+virtual hosting as well as RFC supports it, unveil/pledge support on OpenBSD and
+much more. It is fully FOSS, licensed under the BSD 2-Clause license.
+.SH OPTIONS
+  -h hostname   Change server hostname (FQDN)      [$HOSTNAME]
+  -p port       Change server port                 [70]
+  -T port       Change TLS/SSL port                [0 = disabled]
+  -r root       Change gopher root                 [/var/gopher]
+  -t type       Change default gopher filetype     [0]
+  -g mapfile    Change gophermap file              [gophermap]
+  -a tagfile    Change gophertag file              [gophertag]
+  -c cgidir     Change CGI script directory        [/cgi-bin/]
+  -u userdir    Change users personal gopherspace  [public_gopher]
+  -l logfile    Log to Apache-compatible combined format logfile
+
+  -w width      Change default page width          [76]
+  -o charset    Change default output charset      [UTF-8]
+
+  -s seconds    Session timeout in seconds         [1800]
+  -i hits       Maximum hits until throttling      [4096]
+  -k kbytes     Maximum transfer until throttling  [4194304]
+
+  -f filterdir  Specify directory for output filters
+  -e ext=type   Map file extension to gopher filetype
+  -R old=new    Rewrite the beginning of a selector
+
+  -D text|file  Set or load server description for caps.txt
+  -L text|file  Set or load server location for caps.txt
+  -A admin      Set admin email for caps.txt
+
+  -U paths      Specify a colon-separated list of extra unveil(2) paths
+                (OpenBSD only).
+
+  -nv           Disable virtual hosting
+  -nl           Disable parent directory links
+  -nh           Disable menu header (title)
+  -nf           Disable menu footer
+  -nd           Disable dates and filesizes in menus
+  -nc           Disable file content detection
+  -no           Disable charset conversion for output
+  -nq           Disable HTTP-style query strings (?query)
+  -ns           Disable logging to syslog
+  -na           Disable autogenerated caps.txt
+  -nt           Disable /server-status
+  -nm           Disable shared memory use (for debugging)
+  -nr           Disable root user checking (for debugging)
+  -np           Disable HAproxy proxy protocol
+  -nx           Disable execution of gophermaps and scripts
+  -nu           Disable personal gopherspaces
+
+  -d            Debug output in syslog and /server-status
+  -v            Display version number and build date
+  -b            Display the BSD license
+  -?            Display this help
+.SH AUTHOR
+fosslinux and hb9kns; <gophernicus at gophernicus dot org>
+.SH REPORTING BUGS
+Please report bugs on our GitHub page: https://github.com/gophernicus/gophernicus.
+.SH COPYRIGHT
+Copyright (c) Kim Holavia 2009-2018
+
+Copyright (c) Gophernicus Developers 2019
+
+Licensed to you under the terms of the BSD 2-Clause license, please see LICENSE
+for the full terms of the license.