mirror of
git://git.savannah.gnu.org/guix/data-service.git
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186 lines
7.7 KiB
Scheme
186 lines
7.7 KiB
Scheme
;;; Guix Data Service -- Information about Guix over time
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;;; Copyright © 2019 Christopher Baines <mail@cbaines.net>
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;;;
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;;; This program is free software: you can redistribute it and/or
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;;; modify it under the terms of the GNU Affero General Public License
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;;; as published by the Free Software Foundation, either version 3 of
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;;; the License, or (at your option) any later version.
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;;;
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;;; This program is distributed in the hope that it will be useful,
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;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;; Affero General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU Affero General Public
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;;; License along with this program. If not, see
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;;; <http://www.gnu.org/licenses/>.
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(define-module (guix-data-service model package-metadata)
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#:use-module (srfi srfi-1)
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#:use-module (ice-9 vlist)
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#:use-module (ice-9 match)
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#:use-module (squee)
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#:use-module (json)
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#:use-module (gcrypt hash)
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#:use-module (rnrs bytevectors)
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#:use-module (guix base16)
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#:use-module (guix inferior)
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#:use-module (guix-data-service model location)
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#:use-module (guix-data-service model utils)
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#:export (select-package-metadata-by-revision-name-and-version
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inferior-packages->package-metadata-ids))
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(define (select-package-metadata package-metadata-values)
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(define fields
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'("synopsis" "description" "home_page" "location_id" "license_set_id"))
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(string-append "SELECT id, " (string-join (map
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(lambda (name)
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(string-append
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"package_metadata." name))
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fields)
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", ") " "
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"FROM package_metadata "
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"JOIN (VALUES "
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(string-join (map
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(match-lambda
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((synopsis description home-page location-id
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license-set-id)
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(apply
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simple-format
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#f
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(string-append
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"("
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(string-join
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(list-tabulate
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(length fields)
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(lambda (n) "~A"))
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",")
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")")
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(list
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(value->quoted-string-or-null synopsis)
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(value->quoted-string-or-null description)
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(value->quoted-string-or-null home-page)
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location-id
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license-set-id))))
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package-metadata-values)
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",")
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") AS vals (" (string-join fields ", ") ") "
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"ON "
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(string-join
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(map (lambda (field)
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(if (member field '("home_page" "location_id"
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"license_set_id"))
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(string-append
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"(package_metadata." field " = vals." field " OR "
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"(package_metadata." field " IS NULL AND"
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" vals." field " IS NULL))")
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(string-append
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"package_metadata." field " = vals." field)))
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fields)
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" AND ")))
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(define (select-package-metadata-by-revision-name-and-version
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conn revision-commit-hash name version)
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(define query "
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SELECT package_metadata.synopsis, package_metadata.description,
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package_metadata.home_page,
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locations.file, locations.line, locations.column_number,
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(SELECT JSON_AGG((license_data.*))
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FROM (
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SELECT licenses.name, licenses.uri, licenses.comment
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FROM licenses
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INNER JOIN license_sets ON licenses.id = ANY(license_sets.license_ids)
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WHERE license_sets.id = package_metadata.license_set_id
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ORDER BY licenses.name
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) AS license_data
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) AS licenses
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FROM package_metadata
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INNER JOIN packages
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ON package_metadata.id = packages.package_metadata_id
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LEFT OUTER JOIN locations
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ON package_metadata.location_id = locations.id
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WHERE packages.id IN (
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SELECT package_derivations.package_id
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FROM package_derivations
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INNER JOIN guix_revision_package_derivations
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ON package_derivations.id =
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guix_revision_package_derivations.package_derivation_id
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INNER JOIN guix_revisions
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ON guix_revision_package_derivations.revision_id = guix_revisions.id
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WHERE guix_revisions.commit = $1
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)
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AND packages.name = $2
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AND packages.version = $3")
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(map
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(match-lambda
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((synopsis description home-page file line column-number
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license-json)
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(list synopsis description home-page file line column-number
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(if (string-null? license-json)
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#()
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(json-string->scm license-json)))))
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(exec-query conn query (list revision-commit-hash name version))))
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(define (insert-package-metadata metadata-rows)
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(string-append "INSERT INTO package_metadata "
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"(synopsis, description, home_page, location_id, license_set_id) "
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"VALUES "
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(string-join
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(map (match-lambda
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((synopsis description home_page
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location-id license-set-id)
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(string-append
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"("
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(value->quoted-string-or-null synopsis) ","
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(value->quoted-string-or-null description) ","
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(value->quoted-string-or-null home_page) ","
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location-id ","
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license-set-id
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")")))
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metadata-rows)
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",")
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" RETURNING id"
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";"))
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(define (inferior-packages->package-metadata-ids conn
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packages
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license-set-ids)
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(define package-metadata
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(map (lambda (package license-set-id)
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(list (inferior-package-synopsis package)
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(inferior-package-description package)
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(non-empty-string-or-false
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(inferior-package-home-page package))
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(location->location-id
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conn
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(inferior-package-location package))
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license-set-id))
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packages
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license-set-ids))
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(insert-missing-data-and-return-all-ids
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conn
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"package_metadata"
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'(synopsis description home_page location_id license_set_id)
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(map (match-lambda
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((synopsis description home-page location-id license-set-id)
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(list synopsis
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description
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(if (string? home-page)
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home-page
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NULL)
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location-id
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license-set-id)))
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package-metadata)
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;; There can be duplicated entires in package-metadata, for example where
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;; you have one package definition which interits from another, and just
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;; overrides the version and the source, the package_metadata entries for
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;; both definitions will be the same.
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#:delete-duplicates? #t
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;; There is so much package metadata that it's worth creating a temporary
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;; table
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#:use-temporary-table? #t))
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