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(define-module (guix-data-service jobs load-new-guix-revision)
#:use-module (srfi srfi-1)
#:use-module (ice-9 match)
#:use-module (squee)
#:use-module (guix monads)
#:use-module (guix store)
#:use-module (guix channels)
#:use-module (guix inferior)
#:use-module (guix profiles)
#:use-module (guix packages)
#:use-module (guix derivations)
#:use-module (guix build utils)
#:use-module (guix-data-service model package)
#:use-module (guix-data-service model guix-revision)
#:use-module (guix-data-service model guix-revision-package)
#:use-module (guix-data-service model package-metadata)
#:use-module (guix-data-service model derivation)
#:export (process-next-load-new-guix-revision-job
select-job-for-commit
most-recent-n-load-new-guix-revision-jobs))
(define (inferior-guix->package-ids store conn inf)
(let* ((packages (inferior-packages inf))
(packages-metadata-ids
(inferior-packages->package-metadata-ids conn packages))
(packages-derivation-ids
(derivations->derivation-ids
conn
(filter-map
(lambda (package)
(catch
#t
(lambda ()
(inferior-package-derivation
store package))
(lambda args
(simple-format
#t "guix-data-service: inferior-guix->package-ids: error processing derivation ~A\n"
package)
(simple-format
#t "guix-data-service: inferior-guix->package-ids: error: ~A\n" args)
#f)))
packages))))
(inferior-packages->package-ids
conn packages packages-metadata-ids packages-derivation-ids)))
(define (guix-store-path store)
(let* ((guix-package (@ (gnu packages package-management)
guix))
(derivation (package-derivation store guix-package)))
(build-derivations store (list derivation))
(derivation->output-path derivation)))
(define (nss-certs-store-path store)
(let* ((nss-certs-package (@ (gnu packages certs)
nss-certs))
(derivation (package-derivation store nss-certs-package)))
(build-derivations store (list derivation))
(derivation->output-path derivation)))
(define (channel->derivation-file-name store channel)
(let ((inferior
(open-inferior/container
store
(guix-store-path store)
#:extra-shared-directories
'("/gnu/store")
#:extra-environment-variables
(list (string-append
"SSL_CERT_DIR=" (nss-certs-store-path store))))))
;; Create /etc/pass, as %known-shorthand-profiles in (guix
;; profiles) tries to read from this file. Because the environment
;; is cleaned in build-self.scm, xdg-directory in (guix utils)
;; falls back to accessing /etc/passwd.
(inferior-eval
'(begin
(mkdir "/etc")
(call-with-output-file "/etc/passwd"
(lambda (port)
(display "root:x:0:0::/root:/bin/bash" port))))
inferior)
(let ((channel-instance
(first
(latest-channel-instances store
(list channel)))))
(inferior-eval '(use-modules (guix channels)
(guix profiles))
inferior)
(inferior-eval '(define channel-instance
(@@ (guix channels) channel-instance))
inferior)
(inferior-eval-with-store
inferior
store
`(lambda (store)
(let ((instances
(list
(channel-instance
(channel (name ',(channel-name channel))
(url ,(channel-url channel))
(branch ,(channel-branch channel))
(commit ,(channel-commit channel)))
,(channel-instance-commit channel-instance)
,(channel-instance-checkout channel-instance)))))
(run-with-store store
(mlet* %store-monad ((manifest (channel-instances->manifest instances))
(derv (profile-derivation manifest)))
(mbegin %store-monad
(return (derivation-file-name derv)))))))))))
(define (channel->manifest-store-item store channel)
(let* ((manifest-store-item-derivation-file-name
(channel->derivation-file-name store channel))
(derivation
(read-derivation-from-file manifest-store-item-derivation-file-name)))
(build-derivations store (list derivation))
(derivation->output-path derivation)))
(define (channel->guix-store-item store channel)
(catch
#t
(lambda ()
(dirname
(readlink
(string-append (channel->manifest-store-item store
channel)
"/bin"))))
(lambda args
(simple-format #t "guix-data-service: load-new-guix-revision: error: ~A\n" args)
#f)))
(define (extract-information-from store conn url commit store_path)
(let ((inf (open-inferior/container store store_path
#:extra-shared-directories
'("/gnu/store"))))
(inferior-eval '(use-modules (guix grafts)) inf)
(inferior-eval '(%graft? #f) inf)
(let ((package-ids (inferior-guix->package-ids store conn inf)))
(exec-query conn "BEGIN")
(let ((guix-revision-id
(insert-guix-revision conn url commit store_path)))
(insert-guix-revision-packages conn guix-revision-id package-ids))
(exec-query conn "COMMIT")
(simple-format
#t "Successfully loaded ~A packages\n" (length package-ids)))
(close-inferior inf)))
(define (load-new-guix-revision conn url commit)
(if (guix-revision-exists? conn url commit)
#t
(with-store store
(let ((store-item (channel->guix-store-item
store
(channel (name 'guix)
(url url)
(commit commit)))))
(and store-item
(extract-information-from store conn url commit store-item))))))
(define (select-job-for-commit conn commit)
(let ((result
(exec-query
conn
"SELECT * FROM load_new_guix_revision_jobs WHERE commit = $1"
(list commit))))
result))
(define (most-recent-n-load-new-guix-revision-jobs conn n)
(let ((result
(exec-query
conn
"SELECT * FROM load_new_guix_revision_jobs LIMIT $1"
(list (number->string n)))))
result))
(define (process-next-load-new-guix-revision-job conn)
(let ((next
(exec-query
conn
"SELECT * FROM load_new_guix_revision_jobs ORDER BY id ASC LIMIT 1")))
(match next
(((id url commit source))
(begin
(simple-format #t "Processing job ~A (url: ~A, commit: ~A, source: ~A)\n\n"
id url commit source)
(load-new-guix-revision conn url commit)
(exec-query
conn
(string-append "DELETE FROM load_new_guix_revision_jobs WHERE id = '"
id
"'"))))
(_ #f))))
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