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authorLudovic Courtès <ludo@gnu.org>2012-07-02 00:45:23 +0200
committerLudovic Courtès <ludo@gnu.org>2012-07-02 01:35:39 +0200
commite36a71721630a827a094ad07f250eada16d1f674 (patch)
tree214e5541436995e656dfffc29d44ff7b6e70971d /guix/store.scm
parent561eaf7144755716ed65ba5ceb73d1672695050a (diff)
downloadgnu-guix-e36a71721630a827a094ad07f250eada16d1f674.tar
gnu-guix-e36a71721630a827a094ad07f250eada16d1f674.tar.gz
Upgrade Nix worker protocol.
We were already relying on the new version in `set-build-options', so this patch fixes that. * guix/store.scm (%protocol-version): Increase. (open-connection)[reserve-space?]: New argument. Pass it to the server when it's recent enough.
Diffstat (limited to 'guix/store.scm')
-rw-r--r--guix/store.scm7
1 files changed, 5 insertions, 2 deletions
diff --git a/guix/store.scm b/guix/store.scm
index b525994672..bd7bb59f89 100644
--- a/guix/store.scm
+++ b/guix/store.scm
@@ -53,7 +53,7 @@
store-path?
derivation-path?))
-(define %protocol-version #x109)
+(define %protocol-version #x10b)
(define %worker-magic-1 #x6e697863)
(define %worker-magic-2 #x6478696f)
@@ -257,7 +257,8 @@
(message nix-protocol-error-message)
(status nix-protocol-error-status))
-(define* (open-connection #:optional (file %default-socket-path))
+(define* (open-connection #:optional (file %default-socket-path)
+ #:key (reserve-space? #t))
(let ((s (with-fluids ((%default-port-encoding #f))
;; This trick allows use of the `scm_c_read' optimization.
(socket PF_UNIX SOCK_STREAM 0)))
@@ -271,6 +272,8 @@
(protocol-major v))
(begin
(write-int %protocol-version s)
+ (if (>= (protocol-minor v) 11)
+ (write-int (if reserve-space? 1 0) s))
(let ((s (%make-nix-server s
(protocol-major v)
(protocol-minor v))))