#:use-module (guix store)
#:use-module (guix records)
#:use-module (guix profiles)
+ #:use-module (guix discovery)
#:use-module (guix sets)
#:use-module (guix ui)
#:use-module ((guix utils) #:select (source-properties->location))
service-type-description
service-type-location
+ %service-type-path
+ fold-service-types
service
service?
%boot-service
%activation-service
- etc-service
-
- file-union)) ;XXX: for lack of a better place
+ etc-service))
;;; Comment:
;;;
(set-record-type-printer! <service-type> write-service-type)
+(define %distro-root-directory
+ ;; Absolute file name of the module hierarchy.
+ (dirname (search-path %load-path "guix.scm")))
+
+(define %service-type-path
+ ;; Search path for service types.
+ (make-parameter `((,%distro-root-directory . "gnu/services")
+ (,%distro-root-directory . "gnu/system"))))
+
+(define* (fold-service-types proc seed
+ #:optional
+ (modules (all-modules (%service-type-path))))
+ "For each service type exported by one of MODULES, call (PROC RESULT). SEED
+is used as the initial value of RESULT."
+ (fold-module-public-variables (lambda (object result)
+ (if (service-type? object)
+ (proc object result)
+ result))
+ seed
+ modules))
+
;; Services of a given type.
(define-record-type <service>
(make-service type value)
#t))))
;; Ignore I/O errors so the system can boot.
(fail-safe
+ ;; Remove stale Shadow lock files as they would lead to
+ ;; failures of 'useradd' & co.
+ (delete-file "/etc/group.lock")
+ (delete-file "/etc/passwd.lock")
+ (delete-file "/etc/.pwd.lock") ;from 'lckpwdf'
+
(delete-file-recursively "/tmp")
(delete-file-recursively "/var/run")
(mkdir "/tmp")
(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
-use in the new directory, and the second element is a gexp denoting the target
-file."
- (computed-file name
- #~(begin
- (mkdir #$output)
- (chdir #$output)
- #$@(map (match-lambda
- ((target source)
- #~(begin
- ;; Stat the source to abort early if it
- ;; does not exist.
- (stat #$source)
-
- (symlink #$source #$target))))
- files))))
-
-(define (directory-union name things)
- "Return a directory that is the union of THINGS."
- (match things
- ((one)
- ;; Only one thing; return it.
- one)
- (_
- (computed-file name
- (with-imported-modules '((guix build union))
- #~(begin
- (use-modules (guix build union))
- (union-build #$output '#$things)))))))
-
(define* (activation-service->script service)
"Return as a monadic value the activation script for SERVICE, a service of
ACTIVATION-SCRIPT-TYPE."