Add manpage (skeleton).

README.adoc

@@ -104,7 +104,7 @@ plus:
 |===========================================================
 | Code | Explanation
 
-|    1 | Could not send post for unknown reasons
+|    1 | Could not send post for unknown reasons.
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 include::{uri-base}/raw/branch/main/CONTRIBUTING.adoc[]

man/CMakeLists.txt

@@ -0,0 +1,13 @@
+include(GNUInstallDirs)
+
+add_custom_command(
+  OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.1"
+  WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
+  DEPENDS "${PROJECT_NAME}.1.adoc"
+  COMMAND "${PROJECT_SOURCE_DIR}/man/build_manpage.sh"
+  ARGS "${PROJECT_VERSION}")
+
+add_custom_target(man ALL DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.1")
+
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.1
+  DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)

man/build_manpage.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+name="mastorss"
+
+if [ -n "${1}" ]; then
+    dir=$(dirname "${0}")
+    version=${1}
+    cp -vf "${dir}/${name}.1.adoc" .
+    sed -Ei "s/(Revision: +)[0-9]+\.[0-9]\.[0-9]/\1${version}/" "${name}.1.adoc"
+    a2x --doctype manpage --format manpage --no-xmllint "${name}.1.adoc"
+else
+    echo "usage: ${0} VERSION" >&2
+fi

man/mastorss.1.adoc

@@ -0,0 +1,53 @@
+= mastorss(1)
+:doctype:       manpage
+:Author:        tastytea
+:Email:         tastytea@tastytea.de
+:Date:          2019-12-16
+:Revision:      0.0.0
+:man source:    mastorss
+:man manual:    General Commands Manual
+
+== NAME
+
+mastorss - Another RSS to Mastodon bot.
+
+== SYNOPSIS
+
+*mastorss* profile
+
+// == DESCRIPTION
+
+// == OPTIONS
+
+// == EXAMPLES
+
+// == PROTOCOL SUPPORT
+
+// Currently only HTTP and HTTPS are supported.
+
+// == PROXY SUPPORT
+
+== FILES
+
+* *Configuration file directory*: `${XDG_CONFIG_HOME}/mastorss/`
+
+`${XDG_CONFIG_HOME}` is usually `~/.config`.
+
+== ERROR CODES
+
+[cols=">,<"]
+|===========================================================
+| Code | Explanation
+
+|    1 | Could not send post for unknown reasons.
+|===========================================================
+
+== SEE ALSO
+
+*crontab*(1), *crontab*(5)
+
+== REPORTING BUGS
+
+Bugtracker: https://schlomp.space/tastytea/mastorss/issues
+
+E-mail: tastytea@tastytea.de