gexp->derivation-in-inferior
%inferior-cache-directory
+ cached-channel-instance
inferior-for-channels))
;;; Commentary:
(packages inferior-package-promise) ;promise of inferior packages
(table inferior-package-table)) ;promise of vhash
-(define (inferior-pipe directory command)
+(define* (inferior-pipe directory command error-port)
"Return an input/output pipe on the Guix instance in DIRECTORY. This runs
'DIRECTORY/COMMAND repl' if it exists, or falls back to some other method if
it's an old Guix."
- (let ((pipe (with-error-to-port (%make-void-port "w")
+ (let ((pipe (with-error-to-port error-port
(lambda ()
(open-pipe* OPEN_BOTH
(string-append directory "/" command)
;; Older versions of Guix didn't have a 'guix repl' command, so
;; emulate it.
- (open-pipe* OPEN_BOTH "guile"
- "-L" (string-append directory "/share/guile/site/"
- (effective-version))
- "-C" (string-append directory "/share/guile/site/"
- (effective-version))
- "-C" (string-append directory "/lib/guile/"
- (effective-version) "/site-ccache")
- "-c"
- (object->string
- `(begin
- (primitive-load ,(search-path %load-path
- "guix/repl.scm"))
- ((@ (guix repl) machine-repl))))))
+ (with-error-to-port error-port
+ (lambda ()
+ (open-pipe* OPEN_BOTH "guile"
+ "-L" (string-append directory "/share/guile/site/"
+ (effective-version))
+ "-C" (string-append directory "/share/guile/site/"
+ (effective-version))
+ "-C" (string-append directory "/lib/guile/"
+ (effective-version) "/site-ccache")
+ "-c"
+ (object->string
+ `(begin
+ (primitive-load ,(search-path %load-path
+ "guix/repl.scm"))
+ ((@ (guix repl) machine-repl))))))))
pipe)))
(define* (port->inferior pipe #:optional (close close-port))
(_
#f)))
-(define* (open-inferior directory #:key (command "bin/guix"))
+(define* (open-inferior directory
+ #:key (command "bin/guix")
+ (error-port (%make-void-port "w")))
"Open the inferior Guix in DIRECTORY, running 'DIRECTORY/COMMAND repl' or
equivalent. Return #f if the inferior could not be launched."
(define pipe
- (inferior-pipe directory command))
+ (inferior-pipe directory command error-port))
(port->inferior pipe close-pipe))
(make-parameter (string-append (cache-directory #:ensure? #f)
"/inferiors")))
+(define* (cached-channel-instance store
+ channels
+ #:key
+ (cache-directory (%inferior-cache-directory))
+ (ttl (* 3600 24 30)))
+ "Return a directory containing a guix filetree defined by CHANNELS, a list of channels.
+The directory is a subdirectory of CACHE-DIRECTORY, where entries can be reclaimed after TTL seconds.
+This procedure opens a new connection to the build daemon."
+ (define instances
+ (latest-channel-instances store channels))
+
+ (define key
+ (bytevector->base32-string
+ (sha256
+ (string->utf8
+ (string-concatenate (map channel-instance-commit instances))))))
+
+ (define cached
+ (string-append cache-directory "/" key))
+
+ (define (base32-encoded-sha256? str)
+ (= (string-length str) 52))
+
+ (define (cache-entries directory)
+ (map (lambda (file)
+ (string-append directory "/" file))
+ (scandir directory base32-encoded-sha256?)))
+
+ (define symlink*
+ (lift2 symlink %store-monad))
+
+ (define add-indirect-root*
+ (store-lift add-indirect-root))
+
+ (mkdir-p cache-directory)
+ (maybe-remove-expired-cache-entries cache-directory
+ cache-entries
+ #:entry-expiration
+ (file-expiration-time ttl))
+
+ (if (file-exists? cached)
+ cached
+ (run-with-store store
+ (mlet %store-monad ((profile
+ (channel-instances->derivation instances)))
+ (mbegin %store-monad
+ (show-what-to-build* (list profile))
+ (built-derivations (list profile))
+ (symlink* (derivation->output-path profile) cached)
+ (add-indirect-root* cached)
+ (return cached))))))
+
(define* (inferior-for-channels channels
#:key
(cache-directory (%inferior-cache-directory))
This is a convenience procedure that people may use in manifests passed to
'guix package -m', for instance."
- (with-store store
- (let ()
- (define instances
- (latest-channel-instances store channels))
-
- (define key
- (bytevector->base32-string
- (sha256
- (string->utf8
- (string-concatenate (map channel-instance-commit instances))))))
-
- (define cached
- (string-append cache-directory "/" key))
-
- (define (base32-encoded-sha256? str)
- (= (string-length str) 52))
-
- (define (cache-entries directory)
- (map (lambda (file)
- (string-append directory "/" file))
- (scandir directory base32-encoded-sha256?)))
-
- (define symlink*
- (lift2 symlink %store-monad))
-
- (define add-indirect-root*
- (store-lift add-indirect-root))
-
- (mkdir-p cache-directory)
- (maybe-remove-expired-cache-entries cache-directory
- cache-entries
- #:entry-expiration
- (file-expiration-time ttl))
-
- (if (file-exists? cached)
- (open-inferior cached)
- (run-with-store store
- (mlet %store-monad ((profile
- (channel-instances->derivation instances)))
- (mbegin %store-monad
- (show-what-to-build* (list profile))
- (built-derivations (list profile))
- (symlink* (derivation->output-path profile) cached)
- (add-indirect-root* cached)
- (return (open-inferior cached)))))))))
+ (define cached
+ (with-store store
+ (cached-channel-instance store
+ channels
+ #:cache-directory cache-directory
+ #:ttl ttl)))
+ (open-inferior cached))
HCoop / jackhill / guix / guix.git / blobdiff