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-rw-r--r--gnu/services/base.scm34
1 files changed, 33 insertions, 1 deletions
diff --git a/gnu/services/base.scm b/gnu/services/base.scm
index 4c3821d4e3..cd61df718e 100644
--- a/gnu/services/base.scm
+++ b/gnu/services/base.scm
@@ -83,6 +83,7 @@
#:use-module ((gnu build file-systems)
#:select (mount-flags->bit-mask
swap-space->flags-bit-mask))
+ #:autoload (guix channels) (%default-channels channel->code)
#:use-module (guix gexp)
#:use-module (guix records)
#:use-module (guix modules)
@@ -211,6 +212,7 @@
guix-configuration-use-substitutes?
guix-configuration-substitute-urls
guix-configuration-generate-substitute-key?
+ guix-configuration-channels
guix-configuration-extra-options
guix-configuration-log-file
guix-configuration-environment
@@ -1740,6 +1742,31 @@ archive' public keys, with GUIX."
;; Installed the declared ACL.
(symlink #+default-acl acl-file))))
+(define (install-channels-file channels)
+ "Return a gexp with code to install CHANNELS, a list of channels, in
+/etc/guix/channels.scm."
+ (define channels-file
+ (scheme-file "channels.scm"
+ `(list ,@(map channel->code channels))))
+
+ (with-imported-modules '((guix build utils))
+ #~(begin
+ (use-modules (guix build utils))
+
+ ;; If channels.scm already exists, move it out of the way. Create a
+ ;; backup if it's a regular file: it's likely that the user
+ ;; manually defined it.
+ (if (file-exists? "/etc/guix/channels.scm")
+ (if (and (symbolic-link? "/etc/guix/channels.scm")
+ (store-file-name? (readlink "/etc/guix/channels.scm")))
+ (delete-file "/etc/guix/channels.scm")
+ (rename-file "/etc/guix/channels.scm"
+ "/etc/guix/channels.scm.bak"))
+ (mkdir-p "/etc/guix"))
+
+ ;; Installed the declared channels.
+ (symlink #+channels-file "/etc/guix/channels.scm"))))
+
(define %default-authorized-guix-keys
;; List of authorized substitute keys.
(list (file-append guix "/share/guix/berlin.guix.gnu.org.pub")
@@ -1795,6 +1822,8 @@ archive' public keys, with GUIX."
(default %default-substitute-urls))
(generate-substitute-key? guix-configuration-generate-substitute-key?
(default #t)) ;Boolean
+ (channels guix-configuration-channels ;file-like
+ (default %default-channels))
(chroot-directories guix-configuration-chroot-directories ;list of file-like/strings
(default '()))
(max-silent-time guix-configuration-max-silent-time ;integer
@@ -1988,7 +2017,7 @@ proxy of 'guix-daemon'...~%")
(define (guix-activation config)
"Return the activation gexp for CONFIG."
(match-record config <guix-configuration>
- (guix generate-substitute-key? authorize-key? authorized-keys)
+ (guix generate-substitute-key? authorize-key? authorized-keys channels)
#~(begin
;; Assume that the store has BUILD-GROUP as its group. We could
;; otherwise call 'chown' here, but the problem is that on a COW overlayfs,
@@ -2005,6 +2034,9 @@ proxy of 'guix-daemon'...~%")
(substitute-key-authorization authorized-keys guix)
#~#f)
+ ;; ... and /etc/guix/channels.scm...
+ #$(and channels (install-channels-file channels))
+
;; ... and /etc/guix/machines.scm.
#$(if (guix-build-machines config)
(guix-machines-files-installation