scripts: lint: Handle store connections for lint checkers.

Rather than individual checkers opening up a connection to the store for each
package to check, if any checker requires a store connection, open a
connection and pass it to all checkers that would use it. This makes running
the derivation checker much faster for multiple packages.

* guix/scripts/lint.scm (run-checkers): Add a #:store argument, and pass the
store to checkers if they require a store connection.
(guix-lint): Establish a store connection if any checker requires one, and
pass it through to run-checkers.
This commit is contained in:
Christopher Baines 2020-03-15 20:54:50 +00:00
parent 7826fbc02b
commit 57e12aad6d
No known key found for this signature in database
GPG Key ID: 5E28A33B0B84F577

@ -30,6 +30,7 @@
#:use-module (guix packages)
#:use-module (guix lint)
#:use-module (guix ui)
#:use-module (guix store)
#:use-module (guix scripts)
#:use-module (guix scripts build)
#:use-module (gnu packages)
@ -53,7 +54,7 @@
(lint-warning-message lint-warning))))
warnings))
(define (run-checkers package checkers)
(define* (run-checkers package checkers #:key store)
"Run the given CHECKERS on PACKAGE."
(let ((tty? (isatty? (current-error-port))))
(for-each (lambda (checker)
@ -63,7 +64,9 @@
(lint-checker-name checker))
(force-output (current-error-port)))
(emit-warnings
((lint-checker-check checker) package)))
(if (lint-checker-requires-store? checker)
((lint-checker-check checker) package #:store store)
((lint-checker-check checker) package))))
checkers)
(when tty?
(format (current-error-port) "\x1b[K")
@ -167,12 +170,27 @@ run the checkers on all packages.\n"))
(_ #f))
(reverse opts)))
(checkers (or (assoc-ref opts 'checkers) %all-checkers)))
(cond
((assoc-ref opts 'list?)
(when (assoc-ref opts 'list?)
(list-checkers-and-exit checkers))
((null? args)
(fold-packages (lambda (p r) (run-checkers p checkers)) '()))
(else
(for-each (lambda (spec)
(run-checkers (specification->package spec) checkers))
args)))))
(let ((any-lint-checker-requires-store?
(any lint-checker-requires-store? checkers)))
(define (call-maybe-with-store proc)
(if any-lint-checker-requires-store?
(with-store store
(proc store))
(proc #f)))
(call-maybe-with-store
(lambda (store)
(cond
((null? args)
(fold-packages (lambda (p r) (run-checkers p checkers
#:store store)) '()))
(else
(for-each (lambda (spec)
(run-checkers (specification->package spec) checkers
#:store store))
args))))))))