ui: Add 'list' subcommand.

* shroud/ui.scm (%commands): Add "list".
* shroud/ui/list.scm: New file.
* Makefile.am (SOURCES): Add it.

3 files changed, 57 insertions, 1 deletions

diff --git a/Makefile.am b/Makefile.am
index 557b91c..ec7af0a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -43,5 +43,6 @@ SOURCES = 					\
   shroud/secret.scm				\
   shroud/ui.scm					\
   shroud/ui/hide.scm				\
+  shroud/ui/list.scm				\
   shroud/ui/remove.scm				\
   shroud/ui/show.scm
diff --git a/shroud/ui.scm b/shroud/ui.scm
index 1656f08..bbe0f2a 100644
--- a/shroud/ui.scm
+++ b/shroud/ui.scm
@@ -40,7 +40,7 @@
 (define program-name (make-parameter "shroud"))
 
 (define %commands
-  '("hide" "show" "remove"))
+  '("hide" "list" "show" "remove"))
 
 (define (show-help)
   (format #t "Usage: shroud COMMAND ARGS...
diff --git a/shroud/ui/list.scm b/shroud/ui/list.scm
new file mode 100644
index 0000000..fdf5f10
--- /dev/null
+++ b/shroud/ui/list.scm
@@ -0,0 +1,55 @@
+;;; Shroud
+;;; Copyright © 2015 David Thompson <davet@gnu.org>
+;;;
+;;; Shroud 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.
+;;;
+;;; Shroud 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 Shroud.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (shroud ui list)
+  #:use-module (ice-9 format)
+  #:use-module (ice-9 match)
+  #:use-module (srfi srfi-1)
+  #:use-module (srfi srfi-37)
+  #:use-module (shroud utils)
+  #:use-module (shroud secret)
+  #:use-module (shroud ui)
+  #:export (shroud-list))
+
+(define (show-help)
+  (format #t "Usage: shroud list [OPTION]
+Show the names of all secrets in the database.~%")
+  (display "
+  -h, --help             display this help and exit")
+  (display "
+  --version              display version information and exit")
+  (newline))
+
+(define %options
+  (list (option '(#\h "help") #f #f
+                (lambda args
+                  (show-help)
+                  (exit 0)))
+        (option '("version") #f #f
+                (lambda args
+                  (show-version-and-exit)))))
+
+(define (shroud-list config db . args)
+  (let* ((opts (simple-args-fold args %options '()))
+         (db   (force db)))
+
+    (for-each (lambda (secret)
+                (display (secret-id secret))
+                (newline))
+              db)
+
+    ;; We don't alter the database.
+    db))