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-rw-r--r--guix/inferior.scm10
1 files changed, 6 insertions, 4 deletions
diff --git a/guix/inferior.scm b/guix/inferior.scm
index d6d2053ab8..eecdbdd5ca 100644
--- a/guix/inferior.scm
+++ b/guix/inferior.scm
@@ -110,11 +110,11 @@
(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)
@@ -161,11 +161,13 @@ inferior."
(_
#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))