[bug#34638,v2,3/4] inferior: Add a shared-directory field to <inferior>

Message ID 20190419140427.15183-3-mail@cbaines.net
State Accepted
Headers show
Series [bug#34638,v2,1/4] utils: Add #:base-directory to call-with-temporary-directory. | expand

Checks

Context Check Description
cbaines/applying patch success Successfully applied

Commit Message

Christopher Baines April 19, 2019, 2:04 p.m. UTC
---
 guix/inferior.scm | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

Comments

Ludovic Courtès March 26, 2020, 9:30 a.m. UTC | #1
Christopher Baines <mail@cbaines.net> skribis:

> ---
>  guix/inferior.scm | 25 ++++++++++++++-----------
>  1 file changed, 14 insertions(+), 11 deletions(-)

Commit log please.  :-)

> +  (pid              inferior-pid)
> +  (socket           inferior-socket)
> +  (close            inferior-close-socket)       ;procedure
> +  (shared-directory inferior-shared-directory)

Please add a margin comment like “#f | directory”.

> -(define* (port->inferior pipe #:optional (close close-port))
> +(define* (port->inferior pipe shared-directory #:optional (close close-port))
>    "Given PIPE, an input/output port, return an inferior that talks over PIPE.
>  PIPE is closed with CLOSE when 'close-inferior' is called on the returned
>  inferior."

Make ‘shared-directory’ a keyword argument?

(Otherwise there’s a user in (guix ssh) that needs to be updated.)

>           ((client . address)
>            (proxy client (store-connection-socket store))))
>         (close-port socket)
> -       (read-inferior-response inferior)))))
> +       (read-inferior-response inferior)))
> +   #:base-directory (inferior-shared-directory inferior)))

What if ‘inferior-shared-directory’ returns #f?

Otherwise LGTM.

Ludo’.

Patch

diff --git a/guix/inferior.scm b/guix/inferior.scm
index 63c95141d7..6d18ab90e9 100644
--- a/guix/inferior.scm
+++ b/guix/inferior.scm
@@ -97,14 +97,15 @@ 
 
 ;; Inferior Guix process.
 (define-record-type <inferior>
-  (inferior pid socket close version packages table)
+  (inferior pid socket close shared-directory version packages table)
   inferior?
-  (pid      inferior-pid)
-  (socket   inferior-socket)
-  (close    inferior-close-socket)               ;procedure
-  (version  inferior-version)                    ;REPL protocol version
-  (packages inferior-package-promise)            ;promise of inferior packages
-  (table    inferior-package-table))             ;promise of vhash
+  (pid              inferior-pid)
+  (socket           inferior-socket)
+  (close            inferior-close-socket)       ;procedure
+  (shared-directory inferior-shared-directory)
+  (version          inferior-version)            ;REPL protocol version
+  (packages         inferior-package-promise)    ;promise of inferior packages
+  (table            inferior-package-table))     ;promise of vhash
 
 (define (inferior-pipe directory command)
   "Return an input/output pipe on the Guix instance in DIRECTORY.  This runs
@@ -136,7 +137,7 @@  it's an old Guix."
                           ((@ (guix scripts repl) machine-repl))))))
         pipe)))
 
-(define* (port->inferior pipe #:optional (close close-port))
+(define* (port->inferior pipe shared-directory #:optional (close close-port))
   "Given PIPE, an input/output port, return an inferior that talks over PIPE.
 PIPE is closed with CLOSE when 'close-inferior' is called on the returned
 inferior."
@@ -144,7 +145,8 @@  inferior."
 
   (match (read pipe)
     (('repl-version 0 rest ...)
-     (letrec ((result (inferior 'pipe pipe close (cons 0 rest)
+     (letrec ((result (inferior 'pipe pipe close shared-directory
+                                (cons 0 rest)
                                 (delay (%inferior-packages result))
                                 (delay (%inferior-package-table result)))))
        (inferior-eval '(use-modules (guix)) result)
@@ -162,7 +164,7 @@  equivalent.  Return #f if the inferior could not be launched."
   (define pipe
     (inferior-pipe directory command))
 
-  (port->inferior pipe close-pipe))
+  (port->inferior pipe #f close-pipe))
 
 (define (close-inferior inferior)
   "Close INFERIOR."
@@ -479,7 +481,8 @@  thus be the code of a one-argument procedure that accepts a store."
          ((client . address)
           (proxy client (store-connection-socket store))))
        (close-port socket)
-       (read-inferior-response inferior)))))
+       (read-inferior-response inferior)))
+   #:base-directory (inferior-shared-directory inferior)))
 
 (define* (inferior-package-derivation store package
                                       #:optional