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-rw-r--r--guix/inferior.scm13
-rw-r--r--tests/channels.scm16
2 files changed, 20 insertions, 9 deletions
diff --git a/guix/inferior.scm b/guix/inferior.scm
index 4dfb242e44..9f19e7d316 100644
--- a/guix/inferior.scm
+++ b/guix/inferior.scm
@@ -491,6 +491,10 @@ PACKAGE must be live."
"Return a derivation that evaluates EXP with GUIX, an instance of Guix as
returned for example by 'channel-instances->derivation'. Other arguments are
passed as-is to 'gexp->derivation'."
+ (define script
+ ;; EXP wrapped with a proper (set! %load-path …) prologue.
+ (scheme-file "inferior-script.scm" exp))
+
(define trampoline
;; This is a crude way to run EXP on GUIX. TODO: use 'raw-derivation' and
;; make 'guix repl' the "builder"; this will require "opening up" the
@@ -501,9 +505,12 @@ passed as-is to 'gexp->derivation'."
(let ((pipe (open-pipe* OPEN_WRITE
#+(file-append guix "/bin/guix")
"repl" "-t" "machine")))
- ;; Unquote EXP right here so that its references to #$output
- ;; propagate to the surrounding gexp.
- (write '#$exp pipe) ;XXX: load path for EXP?
+
+ ;; XXX: EXP presumably refers to #$output but that reference is lost
+ ;; so explicitly reference it here.
+ #$output
+
+ (write `(primitive-load #$script) pipe)
(unless (zero? (close-pipe pipe))
(error "inferior failed" #+guix)))))
diff --git a/tests/channels.scm b/tests/channels.scm
index 7df1b8c5fe..8540aef435 100644
--- a/tests/channels.scm
+++ b/tests/channels.scm
@@ -24,6 +24,7 @@
#:use-module (guix store)
#:use-module ((guix grafts) #:select (%graft?))
#:use-module (guix derivations)
+ #:use-module (guix sets)
#:use-module (guix gexp)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
@@ -187,12 +188,15 @@
(manifest-entries manifest))
(define (depends? drv in out)
- ;; Return true if DRV depends on all of IN and none of OUT.
- (let ((lst (map derivation-input-path (derivation-inputs drv)))
+ ;; Return true if DRV depends (directly or indirectly) on all of IN
+ ;; and none of OUT.
+ (let ((set (list->set
+ (requisites store
+ (list (derivation-file-name drv)))))
(in (map derivation-file-name in))
(out (map derivation-file-name out)))
- (and (every (cut member <> lst) in)
- (not (any (cut member <> lst) out)))))
+ (and (every (cut set-contains? set <>) in)
+ (not (any (cut set-contains? set <>) out)))))
(define (lookup name)
(run-with-store store
@@ -212,8 +216,8 @@
(depends? drv1
(list drv0) (list drv2 drv3))
(depends? drv2
- (list drv1) (list drv0 drv3))
+ (list drv1) (list drv3))
(depends? drv3
- (list drv2 drv0) (list drv1))))))))
+ (list drv2 drv0) (list))))))))
(test-end "channels")