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;;; Guix Data Service -- Information about Guix over time
;;; Copyright © 2019 Christopher Baines <mail@cbaines.net>
;;;
;;; This program is free software: you can redistribute it and/or
;;; modify it under the terms of the GNU Affero General Public License
;;; as published by the Free Software Foundation, either version 3 of
;;; the License, or (at your option) any later version.
;;;
;;; This program is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;; Affero General Public License for more details.
;;;
;;; You should have received a copy of the GNU Affero General Public
;;; License along with this program. If not, see
;;; <http://www.gnu.org/licenses/>.
(define-module (guix-data-service model git-repository)
#:use-module (srfi srfi-1)
#:use-module (ice-9 match)
#:use-module (json)
#:use-module (squee)
#:use-module (guix-data-service model utils)
#:export (all-git-repositories
select-git-repository
git-repository-query-substitutes?
git-repository-id->url
select-includes-and-excluded-branches-for-git-repository
branch-in-list?
count-git-repositories-with-x-git-repo-header-values
git-repository-x-git-repo-header->git-repository-id
git-repository-url->git-repository-id
git-repositories-containing-commit
guix-revisions-and-jobs-for-git-repository))
(define (all-git-repositories conn)
(map
(match-lambda
((id label url cgit-base-url poll-interval)
(list (string->number id)
label
url
cgit-base-url
(and=> poll-interval string->number))))
(exec-query
conn
"
SELECT id, label, url, cgit_url_base, poll_interval
FROM git_repositories ORDER BY id ASC")))
(define (select-git-repository conn id)
(match (exec-query
conn
"
SELECT label, url, cgit_url_base, fetch_with_authentication, poll_interval
FROM git_repositories
WHERE id = $1"
(list (if (number? id)
(number->string id)
id)))
(()
#f)
(((label url cgit_url_base fetch_with_authentication poll-interval))
(list label
url
cgit_url_base
(string=? fetch_with_authentication "t")
(and=> poll-interval string->number)))))
(define (git-repository-query-substitutes? conn id)
(match (exec-query
conn
"SELECT query_substitutes FROM git_repositories WHERE id = $1"
(list (simple-format #f "~A" id)))
(((query_substitutes))
(string=? query_substitutes "t"))))
(define (git-repository-id->url conn id)
(match
(exec-query
conn
(string-append
"SELECT url FROM git_repositories WHERE id = $1;")
(list id))
(((url)) url)))
(define (select-includes-and-excluded-branches-for-git-repository conn id)
(define (make-regexes lst)
(map
(lambda (item)
(if (string-prefix? "/" item)
(make-regexp
(string-drop
(string-drop-right item 1)
1))
item))
lst))
(match (exec-query
conn
"
SELECT included_branches, excluded_branches
FROM git_repositories WHERE id = $1"
(list (number->string id)))
(((included_branches excluded_branches))
(values
(if (or (eq? #f included_branches)
(string-null? included_branches))
'()
(make-regexes
(parse-postgresql-array-string included_branches)))
(if (or (eq? excluded_branches #f)
(string-null? excluded_branches))
'()
(make-regexes
(parse-postgresql-array-string excluded_branches)))))))
(define (branch-in-list? lst branch)
(any
(lambda (item)
(->bool
(if (string? item)
(string=? item branch)
(regexp-exec item branch))))
lst))
(define (count-git-repositories-with-x-git-repo-header-values conn)
(match (exec-query
conn
"SELECT COUNT(*) FROM git_repositories WHERE x_git_repo_header IS NOT NULL")
(((count))
(string->number count))))
(define (git-repository-x-git-repo-header->git-repository-id conn header)
(match
(exec-query
conn
(string-append
"SELECT id FROM git_repositories WHERE x_git_repo_header = $1;")
(list header))
(() #f)
(((id))
(string->number id))))
(define (git-repository-url->git-repository-id conn url)
(let ((existing-id
(exec-query
conn
(string-append
"SELECT id FROM git_repositories WHERE url = '" url "'"))))
(string->number
(match existing-id
(((id)) id)
(()
(caar
(exec-query conn
(string-append
"INSERT INTO git_repositories "
"(url) "
"VALUES "
"('" url "') "
"RETURNING id"))))))))
(define (guix-revisions-and-jobs-for-git-repository conn git-repository-id)
(define query
"
SELECT NULL AS id, load_new_guix_revision_jobs.id AS job_id,
(
SELECT json_agg(event)
FROM load_new_guix_revision_job_events
WHERE load_new_guix_revision_jobs.id = load_new_guix_revision_job_events.job_id
) AS job_events, commit, source
FROM load_new_guix_revision_jobs
WHERE git_repository_id = $1 AND succeeded_at IS NULL AND NOT EXISTS (
SELECT 1 FROM load_new_guix_revision_job_events
WHERE event = 'failure' AND job_id = load_new_guix_revision_jobs.id
)
UNION ALL
SELECT id, NULL, NULL, commit, NULL
FROM guix_revisions
WHERE git_repository_id = $1
ORDER BY 1 DESC NULLS FIRST, 2 DESC LIMIT 10;")
(map
(match-lambda
((id job_id job_events commit source)
(list id
job_id
(if (or (eq? #f job_events)
(string-null? job_events))
'()
(vector->list (json-string->scm job_events)))
commit source)))
(exec-query
conn
query
(list git-repository-id))))
(define (git-repositories-containing-commit conn commit)
(define query
"
SELECT id, label, url, cgit_url_base
FROM git_repositories WHERE id IN (
SELECT git_repository_id
FROM git_branches
INNER JOIN git_commits
ON git_branches.id = git_commits.git_branch_id
WHERE commit = $1
)")
(exec-query conn query (list commit)))
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