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authorLudovic Courtès <ludo@gnu.org>2015-11-02 21:52:28 +0100
committerLudovic Courtès <ludo@gnu.org>2015-11-02 22:25:12 +0100
commitaf4c3fd5e37d477bffce167909fbc0776a860204 (patch)
treeb055a36138d5033d9acf64a1b4c86f968d0caa9b /gnu
parentd62e201cfd0f1e48c14586489d0e2b80ce943d4f (diff)
services: Add 'profile-service-type'.
* gnu/services.scm (packages->profile-entry): New procedure. (profile-service-type): New variable. * gnu/system.scm (operating-system-directory-base-entries): Remove the "profile" entry. (essential-services): Add a PROFILE-SERVICE-TYPE instance. (operating-system-profile): Rewrite in terms of 'fold-services'. * doc/guix.texi (Service Reference): Add 'profile-service-type'. * doc/images/service-graph.dot: Likewise.
Diffstat (limited to 'gnu')
-rw-r--r--gnu/services.scm19
-rw-r--r--gnu/system.scm24
2 files changed, 33 insertions, 10 deletions
diff --git a/gnu/services.scm b/gnu/services.scm
index 8a66d453df..0e1c74bda8 100644
--- a/gnu/services.scm
+++ b/gnu/services.scm
@@ -21,6 +21,7 @@
#:use-module (guix monads)
#:use-module (guix store)
#:use-module (guix records)
+ #:use-module (guix profiles)
#:use-module (guix sets)
#:use-module (guix ui)
#:use-module (gnu packages base)
@@ -68,6 +69,7 @@
etc-service-type
etc-directory
setuid-program-service-type
+ profile-service-type
firmware-service-type
%boot-service
@@ -414,6 +416,23 @@ FILES must be a list of name/file-like object pairs."
(compose concatenate)
(extend append)))
+(define (packages->profile-entry packages)
+ "Return a system entry for the profile containing PACKAGES."
+ (mlet %store-monad ((profile (profile-derivation
+ (manifest (map package->manifest-entry
+ (delete-duplicates packages eq?))))))
+ (return `(("profile" ,profile)))))
+
+(define profile-service-type
+ ;; The service that populates the system's profile---i.e.,
+ ;; /run/current-system/profile. It is extended by package lists.
+ (service-type (name 'profile)
+ (extensions
+ (list (service-extension system-service-type
+ packages->profile-entry)))
+ (compose concatenate)
+ (extend append)))
+
(define (firmware->activation-gexp firmware)
"Return a gexp to make the packages listed in FIRMWARE loadable by the
kernel."
diff --git a/gnu/system.scm b/gnu/system.scm
index c26d27028b..85a596ddb9 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -257,11 +257,9 @@ from the initrd."
(define* (operating-system-directory-base-entries os #:key container?)
"Return the basic entries of the 'system' directory of OS for use as the
value of the SYSTEM-SERVICE-TYPE service."
- (mlet* %store-monad ((profile (operating-system-profile os))
- (locale (operating-system-locale-directory os)))
+ (mlet %store-monad ((locale (operating-system-locale-directory os)))
(if container?
- (return `(("profile" ,profile)
- ("locale" ,locale)))
+ (return `(("locale" ,locale)))
(mlet %store-monad
((kernel -> (operating-system-kernel os))
(initrd (operating-system-initrd-file os))
@@ -269,7 +267,6 @@ value of the SYSTEM-SERVICE-TYPE service."
(return `(("kernel" ,kernel)
("parameters" ,params)
("initrd" ,initrd)
- ("profile" ,profile)
("locale" ,locale))))))) ;used by libc
(define* (essential-services os #:key container?)
@@ -305,6 +302,8 @@ a container or that of a \"bare metal\" system."
host-name procs root-fs unmount
(service setuid-program-service-type
(operating-system-setuid-programs os))
+ (service profile-service-type
+ (operating-system-packages os))
(append other-fs mappings swaps
;; Add the firmware service, unless we are building for a
@@ -534,11 +533,6 @@ fi\n")))
#$(operating-system-timezone os)))
("sudoers" ,(operating-system-sudoers-file os))))))
-(define (operating-system-profile os)
- "Return a derivation that builds the system profile of OS."
- (profile-derivation (manifest (map package->manifest-entry
- (operating-system-packages os)))))
-
(define %root-account
;; Default root account.
(user-account
@@ -639,6 +633,16 @@ hardware-related operations as necessary when booting a Linux container."
;; SYSTEM contains the derivation as a monadic value.
(service-parameters system)))
+(define* (operating-system-profile os #:key container?)
+ "Return a derivation that builds the system profile of OS."
+ (mlet* %store-monad
+ ((services -> (operating-system-services os #:container? container?))
+ (profile (fold-services services
+ #:target-type profile-service-type)))
+ (match profile
+ (("profile" profile)
+ (return profile)))))
+
(define (operating-system-root-file-system os)
"Return the root file system of OS."
(find (match-lambda