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| author | Ludovic Courtès <ludo@gnu.org> | 2016-11-13 22:59:54 +0100 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2016-11-16 18:19:54 +0100 |
| commit | f9aefa2d5fb3f6aad25a907939ee872c828b33d0 (patch) | |
| tree | 51c87ff2ca17cb4aabf456446a14c43446956219 /guix | |
| parent | 94d92c7796a3dd50c27d532315f7d497ac99f08e (diff) | |
| download | gnu-guix-f9aefa2d5fb3f6aad25a907939ee872c828b33d0.tar gnu-guix-f9aefa2d5fb3f6aad25a907939ee872c828b33d0.tar.gz | |
daemon: Add 'built-in-builders' RPC.
* nix/libstore/builtins.cc (builtinBuilderNames): New function.
* nix/libstore/builtins.hh (builtinBuilderNames): New declaration.
* nix/libstore/worker-protocol.hh (PROTOCOL_VERSION): Bump to 0x160.
(WorkerOp)[wopBuiltinBuilders]: New value.
* nix/nix-daemon/nix-daemon.cc (performOp): Handle it.
* guix/store.scm (operation-id)[built-in-builders]: New value.
* guix/store.scm (read-arg): Add 'string-list'.
(built-in-builders): New procedure.
* tests/derivations.scm ("built-in-builders"): New test.
Diffstat (limited to 'guix')
| -rw-r--r-- | guix/store.scm | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/guix/store.scm b/guix/store.scm index 43cfda9214..3047dc39b9 100644 --- a/guix/store.scm +++ b/guix/store.scm @@ -95,6 +95,7 @@ path-info-registration-time path-info-nar-size + built-in-builders references references/substitutes requisites @@ -187,7 +188,8 @@ (query-substitutable-paths 32) (query-valid-derivers 33) (optimize-store 34) - (verify-store 35)) + (verify-store 35) + (built-in-builders 80)) (define-enumerate-type hash-algo ;; hash.hh @@ -283,7 +285,7 @@ (write-string (bytevector->base16-string arg) p)))) (define-syntax read-arg - (syntax-rules (integer boolean string store-path store-path-list + (syntax-rules (integer boolean string store-path store-path-list string-list substitutable-path-list path-info base16) ((_ integer p) (read-int p)) @@ -295,6 +297,8 @@ (read-store-path p)) ((_ store-path-list p) (read-store-path-list p)) + ((_ string-list p) + (read-string-list p)) ((_ substitutable-path-list p) (read-substitutable-path-list p)) ((_ path-info p) @@ -914,6 +918,23 @@ that there is no guarantee that the order of the resulting list matches the order of PATHS." substitutable-path-list)) +(define built-in-builders + (let ((builders (operation (built-in-builders) + "Return the built-in builders." + string-list))) + (lambda (store) + "Return the names of the supported built-in derivation builders +supported by STORE." + ;; Check whether STORE's version supports this RPC and built-in + ;; derivation builders in general, which appeared in Guix > 0.11.0. + ;; Return the empty list if it doesn't. Note that this RPC does not + ;; exist in 'nix-daemon'. + (if (or (> (nix-server-major-version store) #x100) + (and (= (nix-server-major-version store) #x100) + (>= (nix-server-minor-version store) #x60))) + (builders store) + '())))) + (define-operation (optimize-store) "Optimize the store by hard-linking identical files (\"deduplication\".) Return #t on success." |