diff options
| -rw-r--r-- | gnupg.scm | 44 | ||||
| -rw-r--r-- | main.c | 2 |
2 files changed, 46 insertions, 0 deletions
diff --git a/gnupg.scm b/gnupg.scm new file mode 100644 index 0000000..5fcf9fd --- /dev/null +++ b/gnupg.scm @@ -0,0 +1,44 @@ +;; Common definitions for executing gpg and related tools. +;; +;; Copyright (C) 2016, 2017 g10 Code GmbH +;; +;; This file is part of GnuPG. +;; +;; GnuPG 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. +;; +;; GnuPG 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/>. + +;; Evaluate a sequence of expressions with the given home directory. +(define-macro (with-home-directory gnupghome . expressions) + (let ((original-home-directory (gensym))) + `(let ((,original-home-directory (getenv "GNUPGHOME"))) + (dynamic-wind + (lambda () (setenv "GNUPGHOME" ,gnupghome #t)) + (lambda () ,@expressions) + (lambda () (setenv "GNUPGHOME" ,original-home-directory #t)))))) + +;; Evaluate a sequence of expressions with an ephemeral home +;; directory. +(define-macro (with-ephemeral-home-directory setup-fn . expressions) + (let ((original-home-directory (gensym)) + (ephemeral-home-directory (gensym)) + (setup (gensym))) + `(let ((,original-home-directory (getenv "GNUPGHOME")) + (,ephemeral-home-directory (mkdtemp)) + (,setup (delay (,setup-fn)))) + (finally (unlink-recursively ,ephemeral-home-directory) + (dynamic-wind + (lambda () + (setenv "GNUPGHOME" ,ephemeral-home-directory #t) + (with-working-directory ,ephemeral-home-directory (force ,setup))) + (lambda () ,@expressions) + (lambda () (setenv "GNUPGHOME" ,original-home-directory #t))))))) @@ -314,6 +314,8 @@ main (int argc, char **argv) err = load (sc, "repl.scm", 0, 1); if (! err) err = load (sc, "tests.scm", 0, 1); + if (! err) + err = load (sc, "gnupg.scm", 0, 1); if (err) { fprintf (stderr, "Error initializing gpgscm: %s.\n", |