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01/01: gnu: services: Fix pcscd activation bug.
From: |
Chris Marusich |
Subject: |
01/01: gnu: services: Fix pcscd activation bug. |
Date: |
Tue, 21 Aug 2018 00:49:12 -0400 (EDT) |
marusich pushed a commit to branch master
in repository guix.
commit 6fb6ac6857df31c55a640eead2a5f79edd7dab14
Author: Chris Marusich <address@hidden>
Date: Mon Aug 20 00:16:06 2018 -0700
gnu: services: Fix pcscd activation bug.
Fixes: <https://bugs.gnu.org/32478>.
* gnu/services/security-token.scm (pcscd-activation): Idempotently create
the
/var/lib/pcsc symlink so that it does not fail when it already exists.
---
gnu/services/security-token.scm | 25 +++++++++++++++++--------
1 file changed, 17 insertions(+), 8 deletions(-)
diff --git a/gnu/services/security-token.scm b/gnu/services/security-token.scm
index 7e7ea54..354549b 100644
--- a/gnu/services/security-token.scm
+++ b/gnu/services/security-token.scm
@@ -20,6 +20,7 @@
#:use-module (gnu services)
#:use-module (gnu services shepherd)
#:use-module (gnu packages admin)
+ #:use-module (gnu packages base)
#:use-module (gnu packages security-token)
#:use-module (gnu system shadow)
#:use-module (guix gexp)
@@ -62,14 +63,22 @@
(define pcscd-activation
(match-lambda
(($ <pcscd-configuration> pcsc-lite usb-drivers)
- #~(begin
- (use-modules (guix build utils))
- (mkdir-p "/var/lib")
- (symlink #$(directory-union
- "pcsc"
- (map (cut file-append <> "/pcsc")
- usb-drivers))
- "/var/lib/pcsc")))))
+ (with-imported-modules (source-module-closure
+ '((guix build utils)))
+ #~(begin
+ (use-modules (guix build utils))
+ ;; XXX: We can't use (guix utils) because it requires a
+ ;; dynamically-linked Guile, hence the duplicate switch-symlinks.
+ (define (switch-symlinks link target)
+ (let ((pivot (string-append link ".new")))
+ (symlink target pivot)
+ (rename-file pivot link)))
+ (mkdir-p "/var/lib")
+ (switch-symlinks "/var/lib/pcsc"
+ #$(directory-union
+ "pcsc"
+ (map (cut file-append <> "/pcsc")
+ usb-drivers))))))))
(define pcscd-service-type
(service-type