add APT:INSTALLED

Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>

3 files changed, 52 insertions, 0 deletions

diff --git a/consfigurator.asd b/consfigurator.asd
index 3630eea..6f29d8b 100644
--- a/consfigurator.asd
+++ b/consfigurator.asd
@@ -27,6 +27,7 @@
 	       (:file "src/property/cmd")
 	       (:file "src/property/file")
 	       (:file "src/property/os")
+	       (:file "src/property/apt")
 	       (:file "src/property/chroot")
 	       (:file "src/data/asdf")
 	       (:file "src/data/pgp")))
diff --git a/src/package.lisp b/src/package.lisp
index 0c214e2..24d3a97 100644
--- a/src/package.lisp
+++ b/src/package.lisp
@@ -198,6 +198,12 @@
 	   #:debian-testing
 	   #:debian-unstable))
 
+(defpackage :consfigurator.property.apt
+  (:use #:cl #:consfigurator)
+  (:local-nicknames (#:re  #:cl-ppcre)
+		    (#:os  #:consfigurator.property.os))
+  (:export #:installed))
+
 (defpackage :consfigurator.data.asdf
   (:use #:cl #:consfigurator))
 
diff --git a/src/property/apt.lisp b/src/property/apt.lisp
new file mode 100644
index 0000000..be433d0
--- /dev/null
+++ b/src/property/apt.lisp
@@ -0,0 +1,45 @@
+;;; Consfigurator -- Lisp declarative configuration management system
+
+;;; Copyright (C) 2021  Sean Whitton <spwhitton@spwhitton.name>
+
+;;; This file 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, or (at your option)
+;;; any later version.
+
+;;; This file 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+
+(in-package :consfigurator.property.apt)
+(named-readtables:in-readtable :interpol-syntax)
+
+(defprop installed :posix (&rest packages)
+  "Ensure all of the apt packages PACKAGES are installed."
+  (:desc #?"apt installed @{packages}")
+  (:hostattrs
+   (declare (ignore packages))
+   (os:required 'os:debianlike))
+  (:check
+   (all-installed packages))
+  (:apply
+   (apt-get :print "-y" "install" packages)))
+
+(defun all-installed (packages)
+  (loop
+    with n = 0
+    with lines = (runlines :env '(:LANG "C") "apt-cache" "policy" packages)
+    for line in lines
+    when (re:scan #?/^\s+Installed:\s+(?!\(none\))/ line)
+      do (incf n)
+    finally (return (= n (length packages)))))
+
+(defun apt-get (&rest args)
+  (apply #'run
+	 :env '(:DEBIAN_FRONTEND "noninteractive"
+		:APT_LISTCHANGES_FRONTEND "none")
+	 "apt-get" args))