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(zilch nix daemon): Upgrade daemon version to 2.18-like

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This is necessary for support with recent Lix.

Change-Id: I6a6a69648db16e23ee82a5107cec858ccc06fb42
This commit is contained in:
puck 2025-06-23 12:22:20 +00:00
parent a80266d9d8
commit e76c57a388
1 changed files with 30 additions and 20 deletions
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50
core/src/nix/daemon.sld
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@ -193,7 +193,7 @@
(set-daemon-link-protocol-minor! link protocol-minor)
(unless (= worker-magic #x6478696f) (error "handshake: received wrong WORKER_MAGIC_2" worker-magic))
(unless (= protocol-major 1) (error "handshake: invalid major version protocol" protocol-major))
(daemon-write-u64 link #x121)
(daemon-write-u64 link #x123)
(daemon-write-u64 link 0) ; cpu affinity
(daemon-write-u64 link 0)
(daemon-flush link)
@ -202,6 +202,7 @@
(set! daemon-version (daemon-read-string link)))
(when (< protocol-minor #x20)
(error (string-append "Nix daemon version " daemon-version " is too old!")))
(daemon-read-u64 link) ; trusted
(set-daemon-link-daemon-version! link daemon-version)
(daemon-read-log-events link)
(daemon-wop-set-options link))
@ -262,17 +263,40 @@
(daemon-read-log-events link)
(daemon-read-u64 link)))
;; Process a framed sink.
;; `proc` will be called to provide the contents.
(define (handle-framed-sink link proc)
(define write-blob
(case-lambda
((bv) (daemon-write-u64 link (bytevector-length bv)) (write-bytevector bv (daemon-link-out-port link)))
((bv start) (daemon-write-u64 link (- (bytevector-length bv) start)) (write-bytevector bv (daemon-link-out-port link) start))
((bv start end) (daemon-write-u64 link (- end start)) (write-bytevector bv (daemon-link-out-port link) start end))))
(define data-thread
(make-thread
(lambda ()
(proc write-blob)
(daemon-write-u64 link 0) ; send an EOF
(daemon-flush link))))
(thread-start! data-thread)
(daemon-read-log-events link)
(thread-join! data-thread))
;; Write a simple text file to the store. `refs` is expected to be sorted.
;; Returns the (string) store path at which the file has been created.
;; Actually calls `AddToStore` internally.
(define (daemon-wop-add-text-to-store link suffix s refs)
(daemon-write-u64 link 8)
(daemon-write-u64 link 7)
(daemon-write-string link suffix)
(daemon-write-string link s)
(daemon-write-string link "text:sha256")
(daemon-write-u64 link (length refs))
(for-each (lambda (l) (daemon-write-string link l)) refs)
(daemon-write-u64 link 0) ; repair flag
(daemon-flush link)
(daemon-read-log-events link)
(daemon-read-string link))
(handle-framed-sink link (lambda (write-blob) (write-blob (string->utf8 s))))
(define path (daemon-read-string link))
(daemon-read-valid-path-info link)
path)
;; Contains the information Nix stores about a valid store path.
(define-record-type <valid-path-info>
@ -355,21 +379,7 @@
(daemon-write-u64 link 0) ; dontCheckSigs
(daemon-flush link)
(define write-blob
(case-lambda
((bv) (daemon-write-u64 link (bytevector-length bv)) (write-bytevector bv (daemon-link-out-port link)))
((bv start) (daemon-write-u64 link (- (bytevector-length bv) start)) (write-bytevector bv (daemon-link-out-port link) start))
((bv start end) (daemon-write-u64 link (- end start)) (write-bytevector bv (daemon-link-out-port link) start end))))
(define data-thread
(make-thread
(lambda ()
(proc write-blob)
(daemon-write-u64 link 0) ; send an EOF
(daemon-flush link))))
(thread-start! data-thread)
(daemon-read-log-events link)
(thread-join! data-thread))
(handle-framed-sink link proc))
;; Requests an alist of output name to output store path for the derivation at `store-path`.
(define (daemon-wop-query-derivation-output-map link store-path)