guix lint: add the --checkers option.
* guix/scripts/lint.scm: add the "--checkers" option. * doc/guix.texi (Invoking guix lint): Document it. * tests/guix-lint.sh: New file * Makefile.am (SCM_TESTS): Add it.master
Cyril Roelandt
parent
51861587c6
commit
dd7c013d4b
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@ -186,7 +186,8 @@ SH_TESTS = \
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tests/guix-package.sh \
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tests/guix-system.sh \
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tests/guix-archive.sh \
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tests/guix-authenticate.sh
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tests/guix-authenticate.sh \
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tests/guix-lint.sh
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if BUILD_DAEMON
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@ -2855,6 +2855,11 @@ The @var{options} may be zero or more of the following:
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@table @code
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@item --checkers
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@itemx -c
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Only enable the checkers specified in a comma-separated list using the
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names returned by @code{--list-checkers}.
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@item --list-checkers
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@itemx -l
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List and describe all the available checkers that will be run on packages
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@ -34,44 +34,6 @@
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check-patches
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check-synopsis-style))
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;;;
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;;; Command-line options.
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;;;
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(define %default-options
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;; Alist of default option values.
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'())
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(define (show-help)
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(display (_ "Usage: guix lint [OPTION]... [PACKAGE]...
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Run a set of checkers on the specified package; if none is specified, run the checkers on all packages.\n"))
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(display (_ "
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-h, --help display this help and exit"))
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(display (_ "
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-l, --list-checkers display the list of available lint checkers"))
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(display (_ "
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-V, --version display version information and exit"))
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(newline)
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(show-bug-report-information))
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(define %options
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;; Specification of the command-line options.
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;; TODO: add some options:
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;; * --checkers=checker1,checker2...: only run the specified checkers
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;; * --certainty=[low,medium,high]: only run checkers that have at least this
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;; 'certainty'.
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(list (option '(#\h "help") #f #f
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(lambda args
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(show-help)
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(exit 0)))
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(option '(#\l "list-checkers") #f #f
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(lambda args
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(list-checkers-and-exit)))
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(option '(#\V "version") #f #f
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(lambda args
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(show-version-and-exit "guix lint")))))
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;;;
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;;; Helpers
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@ -223,11 +185,67 @@ Run a set of checkers on the specified package; if none is specified, run the ch
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(description "Validate package synopsis")
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(check check-synopsis-style))))
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(define (run-checkers package)
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;; Run all the checkers on PACKAGE.
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(define (run-checkers package checkers)
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;; Run the given CHECKERS on PACKAGE.
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(for-each (lambda (checker)
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((lint-checker-check checker) package))
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%checkers))
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checkers))
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;;;
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;;; Command-line options.
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;;;
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(define %default-options
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;; Alist of default option values.
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'())
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(define (show-help)
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(display (_ "Usage: guix lint [OPTION]... [PACKAGE]...
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Run a set of checkers on the specified package; if none is specified, run the checkers on all packages.\n"))
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(display (_ "
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-c, --checkers=CHECKER1,CHECKER2...
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only run the specificed checkers"))
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(display (_ "
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-h, --help display this help and exit"))
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(display (_ "
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-l, --list-checkers display the list of available lint checkers"))
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(display (_ "
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-V, --version display version information and exit"))
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(newline)
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(show-bug-report-information))
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(define %options
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;; Specification of the command-line options.
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;; TODO: add some options:
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;; * --certainty=[low,medium,high]: only run checkers that have at least this
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;; 'certainty'.
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(list (option '(#\c "checkers") #t #f
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(lambda (opt name arg result arg-handler)
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(let ((names (string-split arg #\,)))
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(for-each (lambda (c)
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(when (not (member c (map lint-checker-name
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%checkers)))
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(leave (_ "~a: invalid checker") c)))
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names)
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(values (alist-cons 'checkers
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(filter (lambda (checker)
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(member (lint-checker-name checker)
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names))
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%checkers)
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result)
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#f))))
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(option '(#\h "help") #f #f
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(lambda args
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(show-help)
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(exit 0)))
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(option '(#\l "list-checkers") #f #f
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(lambda args
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(list-checkers-and-exit)))
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(option '(#\V "version") #f #f
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(lambda args
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(show-version-and-exit "guix lint")))))
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;;;
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@ -238,23 +256,21 @@ Run a set of checkers on the specified package; if none is specified, run the ch
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(define (parse-options)
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;; Return the alist of option values.
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(args-fold* args %options
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(lambda (opt name arg result)
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(lambda (opt name arg result arg-handler)
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(leave (_ "~A: unrecognized option~%") name))
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(lambda (arg result)
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(lambda (arg result arg-handler)
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(alist-cons 'argument arg result))
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%default-options))
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%default-options #f))
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(let* ((opts (parse-options))
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(args (filter-map (match-lambda
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(('argument . value)
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value)
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(_ #f))
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(reverse opts))))
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(if (null? args)
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(fold-packages (lambda (p r) (run-checkers p)) '())
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(for-each
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(lambda (spec)
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(run-checkers spec))
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(map specification->package args)))))
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(reverse opts)))
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(checkers (or (assoc-ref opts 'checkers) %checkers)))
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(if (null? args)
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(fold-packages (lambda (p r) (run-checkers p checkers)) '())
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(for-each (lambda (spec)
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(run-checkers (specification->package spec) checkers))
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args))))
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@ -0,0 +1,75 @@
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# GNU Guix --- Functional package management for GNU
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# Copyright © 2014 Cyril Roelandt <tipecaml@gmail.com>
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#
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# This file is part of GNU Guix.
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#
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# GNU Guix is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or (at
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# your option) any later version.
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#
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# GNU Guix is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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#
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# Test the `guix lint' command-line utility.
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#
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guix lint --version
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module_dir="t-guix-lint-$$"
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mkdir "$module_dir"
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trap "rm -rf $module_dir" EXIT
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cat > "$module_dir/foo.scm"<<EOF
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(define-module (foo)
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#:use-module (guix packages)
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#:use-module (gnu packages base))
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(define-public dummy
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(package (inherit hello)
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(name "dummy")
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(version "42")
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(synopsis "dummy package")
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(description "dummy package only used for testing purposes.")))
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EOF
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export GUIX_PACKAGE_PATH=$module_dir
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export GUIX_PACKAGE_PATH
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grep_warning ()
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{
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res=`echo "$1" | grep -E -c "(synopsis|description) should"`
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echo $res
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}
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# Three issues with the dummy package:
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# 1) the synopsis starts with the package name;
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# 2) the synopsis starts with a lower-case letter;
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# 3) the description starts with a lower-case letter.
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out=`guix lint dummy 2>&1`
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if [ `grep_warning "$out"` -ne 3 ]
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then false; else true; fi
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out=`guix lint -c synopsis dummy 2>&1`
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if [ `grep_warning "$out"` -ne 2 ]
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then false; else true; fi
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out=`guix lint -c description dummy 2>&1`
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if [ `grep_warning "$out"` -ne 1 ]
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then false; else true; fi
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out=`guix lint -c description,synopsis dummy 2>&1`
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if [ `grep_warning "$out"` -ne 3 ]
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then false; else true; fi
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if guix lint -c synopsis,invalid-checker dummy 2>&1 | \
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grep -q 'invalid-checker: invalid checker'
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then true; else false; fi
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