diff options
Diffstat (limited to 'build-aux')
| -rw-r--r-- | build-aux/build-self.scm | 41 |
1 files changed, 33 insertions, 8 deletions
diff --git a/build-aux/build-self.scm b/build-aux/build-self.scm index e1b2c7fdc4..3ecdc931a5 100644 --- a/build-aux/build-self.scm +++ b/build-aux/build-self.scm @@ -265,8 +265,20 @@ person's version identifier." (loop (cdr spin)))) (match (command-line) - ((_ source system version) - (with-store store + ((_ source system version protocol-version) + ;; The current input port normally wraps a file + ;; descriptor connected to the daemon, or it is + ;; connected to /dev/null. In the former case, reuse + ;; the connection such that we inherit build options + ;; such as substitute URLs and so on; in the latter + ;; case, attempt to open a new connection. + (let* ((proto (string->number protocol-version)) + (store (if (integer? proto) + (port->connection (duplicate-port + (current-input-port) + "w+0") + #:version proto) + (open-connection)))) (call-with-new-thread (lambda () (spin system))) @@ -297,15 +309,28 @@ files." ;; SOURCE. (mlet %store-monad ((build (build-program source version guile-version #:pull-version pull-version)) - (system (if system (return system) (current-system)))) + (system (if system (return system) (current-system))) + (port ((store-lift nix-server-socket))) + (major ((store-lift nix-server-major-version))) + (minor ((store-lift nix-server-minor-version)))) (mbegin %store-monad (show-what-to-build* (list build)) (built-derivations (list build)) - (let* ((pipe (begin - (setenv "GUILE_WARN_DEPRECATED" "no") ;be quiet and drive - (open-pipe* OPEN_READ - (derivation->output-path build) - source system version))) + + ;; Use the port beneath the current store as the stdin of BUILD. This + ;; way, we know 'open-pipe*' will not close it on 'exec'. If PORT is + ;; not a file port (e.g., it's an SSH channel), then the subprocess's + ;; stdin will actually be /dev/null. + (let* ((pipe (with-input-from-port port + (lambda () + (setenv "GUILE_WARN_DEPRECATED" "no") ;be quiet and drive + (open-pipe* OPEN_READ + (derivation->output-path build) + source system version + (if (file-port? port) + (number->string + (logior major minor)) + "none"))))) (str (get-string-all pipe)) (status (close-pipe pipe))) (match str |