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+;;; Haunt --- Static site generator for GNU Guile
+;;; Copyright © 2022 David Thompson <davet@gnu.org>
+;;;
+;;; This file is part of Haunt.
+;;;
+;;; Haunt is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or
+;;; (at your option) any later version.
+;;;
+;;; Haunt is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;;; General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with Haunt.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+;;
+;; Site publishing abstraction.
+;;
+;;; Code:
+
+(define-module (haunt publisher)
+  #:use-module (srfi srfi-9)
+  #:export (%default-publisher-name
+            make-publisher
+            publisher?
+            publisher-name
+            publisher-proc
+            publish
+            run-command))
+
+(define %default-publisher-name 'production)
+
+(define-record-type <publisher>
+  (make-publisher name proc)
+  publisher?
+  (name publisher-name)
+  (proc publisher-proc))
+
+(define (publish publisher site)
+  ((publisher-proc publisher) site))
+
+(define (run-command program . args)
+  (zero? (apply system* program args)))