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-rw-r--r--gnu/services.scm69
1 files changed, 40 insertions, 29 deletions
diff --git a/gnu/services.scm b/gnu/services.scm
index 134342101d..27a4883f71 100644
--- a/gnu/services.scm
+++ b/gnu/services.scm
@@ -63,6 +63,7 @@
system-service-type
boot-service-type
+ cleanup-service-type
activation-service-type
activation-service->script
%linux-bare-metal-service
@@ -206,36 +207,10 @@ containing the given entries."
(extend system-derivation)))
(define (compute-boot-script _ mexps)
- (define %modules
- '((guix build utils)))
-
- (mlet* %store-monad ((gexps (sequence %store-monad mexps))
- (modules (imported-modules %modules))
- (compiled (compiled-modules %modules)))
+ (mlet %store-monad ((gexps (sequence %store-monad mexps)))
(gexp->file "boot"
- #~(begin
- (eval-when (expand load eval)
- ;; Make sure 'use-modules' below succeeds.
- (set! %load-path (cons #$modules %load-path))
- (set! %load-compiled-path
- (cons #$compiled %load-compiled-path)))
-
- (use-modules (guix build utils))
-
- ;; Clean out /tmp and /var/run.
- ;;
- ;; XXX This needs to happen before service activations, so
- ;; it has to be here, but this also implicitly assumes
- ;; that /tmp and /var/run are on the root partition.
- (false-if-exception (delete-file-recursively "/tmp"))
- (false-if-exception (delete-file-recursively "/var/run"))
- (false-if-exception (mkdir "/tmp"))
- (false-if-exception (chmod "/tmp" #o1777))
- (false-if-exception (mkdir "/var/run"))
- (false-if-exception (chmod "/var/run" #o755))
-
- ;; Activate the system and spawn dmd.
- #$@gexps))))
+ ;; Clean up and activate the system, then spawn dmd.
+ #~(begin #$@gexps))))
(define (boot-script-entry mboot)
"Return, as a monadic value, an entry for the boot script in the system
@@ -258,6 +233,42 @@ directory."
;; The service that produces the boot script.
(service boot-service-type #t))
+(define (cleanup-gexp _)
+ "Return as a monadic value a gexp to clean up /tmp and similar places upon
+boot."
+ (define %modules
+ '((guix build utils)))
+
+ (mlet %store-monad ((modules (imported-modules %modules))
+ (compiled (compiled-modules %modules)))
+ (return #~(begin
+ (eval-when (expand load eval)
+ ;; Make sure 'use-modules' below succeeds.
+ (set! %load-path (cons #$modules %load-path))
+ (set! %load-compiled-path
+ (cons #$compiled %load-compiled-path)))
+
+ (use-modules (guix build utils))
+
+ ;; Clean out /tmp and /var/run.
+ ;;
+ ;; XXX This needs to happen before service activations, so it
+ ;; has to be here, but this also implicitly assumes that /tmp
+ ;; and /var/run are on the root partition.
+ (false-if-exception (delete-file-recursively "/tmp"))
+ (false-if-exception (delete-file-recursively "/var/run"))
+ (false-if-exception (mkdir "/tmp"))
+ (false-if-exception (chmod "/tmp" #o1777))
+ (false-if-exception (mkdir "/var/run"))
+ (false-if-exception (chmod "/var/run" #o755))))))
+
+(define cleanup-service-type
+ ;; Service that cleans things up in /tmp and similar.
+ (service-type (name 'cleanup)
+ (extensions
+ (list (service-extension boot-service-type
+ cleanup-gexp)))))
+
(define* (file-union name files) ;FIXME: Factorize.
"Return a <computed-file> that builds a directory containing all of FILES.
Each item in FILES must be a list where the first element is the file name to