system: Move skeleton code to (gnu system shadow).

* gnu/system.scm (default-skeletons, skeleton-directory): Move to...
* gnu/system/shadow.scm: ... here.

1 files changed, 49 insertions, 5 deletions

diff --git a/gnu/system/shadow.scm b/gnu/system/shadow.scm
index 8745ddb876..738816b78f 100644
--- a/gnu/system/shadow.scm
+++ b/gnu/system/shadow.scm
@@ -17,16 +17,13 @@
 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
 
 (define-module (gnu system shadow)
-  #:use-module (guix store)
   #:use-module (guix records)
-  #:use-module (guix packages)
   #:use-module (guix gexp)
   #:use-module (guix monads)
   #:use-module ((gnu packages admin)
                 #:select (shadow))
   #:use-module (gnu packages bash)
-  #:use-module (srfi srfi-1)
-  #:use-module (ice-9 match)
+  #:use-module (gnu packages guile-wm)
   #:export (user-account
             user-account?
             user-account-name
@@ -43,7 +40,10 @@
             user-group-name
             user-group-password
             user-group-id
-            user-group-members))
+            user-group-members
+
+            default-skeletons
+            skeleton-directory))
 
 ;;; Commentary:
 ;;;
@@ -73,4 +73,48 @@
   (id             user-group-id (default #f))
   (members        user-group-members (default '())))
 
+(define (default-skeletons)
+  "Return the default skeleton files for /etc/skel.  These files are copied by
+'useradd' in the home directory of newly created user accounts."
+  (define copy-guile-wm
+    #~(begin
+        (use-modules (guix build utils))
+        (copy-file (car (find-files #$guile-wm "wm-init-sample.scm"))
+                   #$output)))
+
+  (mlet %store-monad ((bashrc (text-file "bashrc" "\
+# Allow non-login shells such as an xterm to get things right.
+test -f /etc/profile && source /etc/profile\n"))
+                      (guile-wm (gexp->derivation "guile-wm" copy-guile-wm
+                                                  #:modules
+                                                  '((guix build utils))))
+                      (xdefaults (text-file "Xdefaults" "\
+XTerm*utf8: always
+XTerm*metaSendsEscape: true\n"))
+                      (gdbinit   (text-file "gdbinit" "\
+# Tell GDB where to look for separate debugging files.
+set debug-file-directory ~/.guix-profile/lib/debug\n")))
+    (return `((".bashrc" ,bashrc)
+              (".Xdefaults" ,xdefaults)
+              (".guile-wm" ,guile-wm)
+              (".gdbinit" ,gdbinit)))))
+
+(define (skeleton-directory skeletons)
+  "Return a directory containing SKELETONS, a list of name/derivation pairs."
+  (gexp->derivation "skel"
+                    #~(begin
+                        (use-modules (ice-9 match))
+
+                        (mkdir #$output)
+                        (chdir #$output)
+
+                        ;; Note: copy the skeletons instead of symlinking
+                        ;; them like 'file-union' does, because 'useradd'
+                        ;; would just copy the symlinks as is.
+                        (for-each (match-lambda
+                                   ((target source)
+                                    (copy-file source target)))
+                                  '#$skeletons)
+                        #t)))
+
 ;;; shadow.scm ends here