830 lines
31 KiB
Scheme
Executable file
830 lines
31 KiB
Scheme
Executable file
#!/bin/sh
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# This is actually -*- mode: scheme; coding: utf-8; -*- text.
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main='(module-ref (resolve-module '\''(gnupdate)) '\'gnupdate')'
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exec ${GUILE-guile} -L "$PWD" -l "$0" \
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-c "(apply $main (command-line))" "$@"
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!#
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;;; GNUpdate -- Update GNU packages in Nixpkgs.
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;;; Copyright (C) 2010 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This program is free software: you can redistribute it and/or modify
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;;; it 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
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;;; (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
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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 this program. If not, see <http://www.gnu.org/licenses/>.
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(cond-expand (guile-2 #t)
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(else (error "GNU Guile 2.0 is required")))
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(define-module (gnupdate)
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#:use-module (sxml ssax)
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#:use-module (ice-9 popen)
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#:use-module (ice-9 match)
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#:use-module (ice-9 rdelim)
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#:use-module (ice-9 regex)
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#:use-module (ice-9 vlist)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-9)
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#:use-module (srfi srfi-11)
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#:use-module (srfi srfi-26)
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#:use-module (srfi srfi-37)
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#:use-module (system foreign)
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#:use-module (rnrs bytevectors)
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#:export (gnupdate))
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;;;
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;;; SNix.
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;;;
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(define-record-type <location>
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(make-location file line column)
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location?
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(file location-file)
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(line location-line)
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(column location-column))
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(define (->loc line column path)
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(and line column path
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(make-location path (string->number line) (string->number column))))
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;; Nix object types visible in the XML output of `nix-instantiate' and
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;; mapping to S-expressions (we map to sexps, not records, so that we
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;; can do pattern matching):
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;;
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;; at (at varpat attrspat)
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;; attr (attribute loc name value)
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;; attrs (attribute-set attributes)
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;; attrspat (attribute-set-pattern patterns)
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;; bool #f|#t
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;; derivation (derivation drv-path out-path attributes)
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;; ellipsis '...
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;; expr (snix loc body ...)
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;; function (function loc at|attrspat|varpat)
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;; int int
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;; list list
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;; null 'null
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;; path string
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;; string string
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;; unevaluated 'unevaluated
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;; varpat (varpat name)
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;;
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;; Initially ATTRIBUTES in `derivation' and `attribute-set' was a promise;
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;; however, handling `repeated' nodes makes it impossible to do anything
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;; lazily because the whole SXML tree has to be traversed to maintain the
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;; list of known derivations.
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(define (xml-element->snix elem attributes body derivations)
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;; Return an SNix element corresponding to XML element ELEM.
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(define (loc)
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(->loc (assq-ref attributes 'line)
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(assq-ref attributes 'column)
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(assq-ref attributes 'path)))
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(case elem
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((at)
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(values `(at ,(car body) ,(cadr body)) derivations))
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((attr)
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(let ((name (assq-ref attributes 'name)))
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(cond ((null? body)
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(values `(attribute-pattern ,name) derivations))
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((and (pair? body) (null? (cdr body)))
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(values `(attribute ,(loc) ,name ,(car body))
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derivations))
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(else
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(error "invalid attribute body" name (loc) body)))))
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((attrs)
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(values `(attribute-set ,(reverse body)) derivations))
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((attrspat)
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(values `(attribute-set-pattern ,body) derivations))
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((bool)
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(values (string-ci=? "true" (assq-ref attributes 'value))
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derivations))
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((derivation)
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(let ((drv-path (assq-ref attributes 'drvPath))
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(out-path (assq-ref attributes 'outPath)))
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(if (equal? body '(repeated))
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(let ((body (vhash-assoc drv-path derivations)))
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(if (pair? body)
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(values `(derivation ,drv-path ,out-path ,(cdr body))
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derivations)
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(error "no previous occurrence of derivation"
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drv-path)))
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(values `(derivation ,drv-path ,out-path ,body)
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(vhash-cons drv-path body derivations)))))
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((ellipsis)
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(values '... derivations))
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((expr)
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(values `(snix ,(loc) ,@body) derivations))
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((function)
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(values `(function ,(loc) ,body) derivations))
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((int)
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(values (string->number (assq-ref attributes 'value))
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derivations))
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((list)
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(values body derivations))
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((null)
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(values 'null derivations))
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((path)
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(values (assq-ref attributes 'value) derivations))
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((repeated)
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(values 'repeated derivations))
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((string)
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(values (assq-ref attributes 'value) derivations))
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((unevaluated)
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(values 'unevaluated derivations))
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((varpat)
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(values `(varpat ,(assq-ref attributes 'name)) derivations))
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(else (error "unhandled Nix XML element" elem))))
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(define xml->snix
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;; Return the SNix represention of TREE, an SXML tree as returned by
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;; parsing the XML output of `nix-instantiate' on Nixpkgs.
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(let ((parse
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(ssax:make-parser NEW-LEVEL-SEED
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(lambda (elem-gi attributes namespaces expected-content
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seed)
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(cons '() (cdr seed)))
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FINISH-ELEMENT
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(lambda (elem-gi attributes namespaces parent-seed
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seed)
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(let ((snix (car seed))
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(derivations (cdr seed)))
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(let-values (((snix derivations)
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(xml-element->snix elem-gi
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attributes
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snix
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derivations)))
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(cons (cons snix (car parent-seed))
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derivations))))
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CHAR-DATA-HANDLER
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(lambda (string1 string2 seed)
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;; Discard inter-node strings, which are blanks.
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seed))))
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(lambda (port)
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;; Discard the second value returned by the parser (the derivation
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;; vhash).
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(caar (parse port (cons '() vlist-null))))))
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(define (call-with-package snix proc)
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(match snix
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(('attribute _ (and attribute-name (? string?))
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('derivation _ _ body))
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;; Ugly pattern matching.
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(let ((meta
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(any (lambda (attr)
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(match attr
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(('attribute _ "meta" ('attribute-set metas)) metas)
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(_ #f)))
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body))
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(package-name
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(any (lambda (attr)
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(match attr
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(('attribute _ "name" (and name (? string?)))
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name)
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(_ #f)))
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body))
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(location
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(any (lambda (attr)
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(match attr
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(('attribute loc "name" (? string?))
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loc)
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(_ #f)))
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body))
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(src
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(any (lambda (attr)
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(match attr
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(('attribute _ "src" src)
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src)
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(_ #f)))
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body)))
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(proc attribute-name package-name location meta src)))))
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(define (call-with-src snix proc)
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;; Assume SNIX contains the SNix expression for the value of an `src'
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;; attribute, as returned by `call-with-package', and call PROC with the
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;; relevant SRC information, or #f if SNIX doesn't match.
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(match snix
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(('derivation _ _ body)
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(let ((name
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(any (lambda (attr)
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(match attr
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(('attribute _ "name" (and name (? string?)))
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name)
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(_ #f)))
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body))
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(output-hash
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(any (lambda (attr)
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(match attr
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(('attribute _ "outputHash" (and hash (? string?)))
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hash)
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(_ #f)))
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body))
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(urls
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(any (lambda (attr)
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(match attr
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(('attribute _ "urls" (and urls (? pair?)))
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urls)
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(_ #f)))
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body)))
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(proc name output-hash urls)))
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(_ (proc #f #f #f))))
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(define (src->values snix)
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(call-with-src snix values))
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(define (attribute-value attribute)
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;; Return the value of ATTRIBUTE.
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(match attribute
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(('attribute _ _ value) value)))
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(define (derivation-source derivation)
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;; Return the "src" attribute of DERIVATION or #f if not found.
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(match derivation
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(('derivation _ _ (attributes ...))
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(find-attribute-by-name "src" attributes))))
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(define (derivation-output-path derivation)
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;; Return the output path of DERIVATION.
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(match derivation
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(('derivation _ out-path _)
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out-path)
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(_ #f)))
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(define (source-output-path src)
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;; Return the output path of SRC, the "src" attribute of a derivation.
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(derivation-output-path (attribute-value src)))
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(define (derivation-source-output-path derivation)
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;; Return the output path of the "src" attribute of DERIVATION or #f if
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;; DERIVATION lacks an "src" attribute.
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(and=> (derivation-source derivation) source-output-path))
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(define (open-nixpkgs nixpkgs)
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(let ((script (string-append nixpkgs
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"/maintainers/scripts/eval-release.nix")))
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(open-pipe* OPEN_READ "nix-instantiate"
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"--strict" "--eval-only" "--xml"
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script)))
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(define (nix-prefetch-url url)
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;; Download URL in the Nix store and return the base32-encoded SHA256 hash
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;; of the file at URL
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(let* ((pipe (open-pipe* OPEN_READ "nix-prefetch-url" url))
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(hash (read-line pipe)))
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(close-pipe pipe)
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(if (eof-object? hash)
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(values #f #f)
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(let* ((pipe (open-pipe* OPEN_READ "nix-store" "--print-fixed-path"
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"sha256" hash (basename url)))
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(path (read-line pipe)))
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(if (eof-object? path)
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(values #f #f)
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(values (string-trim-both hash) (string-trim-both path)))))))
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(define (update-nix-expression file
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old-version old-hash
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new-version new-hash)
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;; Modify FILE in-place. Ugly: we call out to sed(1).
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(let ((cmd (format #f "sed -i \"~a\" -e 's/~A/~a/g ; s/~A/~A/g'"
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file
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(regexp-quote old-version) new-version
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old-hash
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(or new-hash "new hash not available, check the log"))))
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(format #t "running `~A'...~%" cmd)
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(system cmd)))
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(define (find-attribute-by-name name attributes)
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;; Return attribute NAME in ATTRIBUTES, a list of SNix attributes, or #f if
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;; NAME cannot be found.
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(find (lambda (a)
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(match a
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(('attribute _ (? (cut string=? <> name)) _)
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a)
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(_ #f)))
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attributes))
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(define (find-package-by-attribute-name name packages)
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;; Return the package bound to attribute NAME in PACKAGES, a list of
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;; packages (SNix attributes), or #f if NAME cannot be found.
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(find (lambda (package)
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(match package
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(('attribute _ (? (cut string=? <> name))
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('derivation _ _ _))
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package)
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(_ #f)))
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packages))
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(define (stdenv-package packages)
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;; Return the `stdenv' package from PACKAGES, a list of SNix attributes.
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(find-package-by-attribute-name "stdenv" packages))
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(define (package-requisites package)
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;; Return the list of derivations required to build PACKAGE (including that
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;; of PACKAGE) by recurring into its derivation attributes.
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(let loop ((snix package)
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(result '()))
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(match snix
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(('attribute _ _ body)
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(loop body result))
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(('derivation _ out-path body)
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(if (any (lambda (d)
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(match d
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(('derivation _ (? (cut string=? out-path <>)) _) #t)
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(_ #f)))
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result)
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result
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(loop body (cons snix result))))
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((things ...)
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(fold loop result things))
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(_ result))))
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(define (package-source-output-path package)
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;; Return the output path of the "src" derivation of PACKAGE.
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(derivation-source-output-path (attribute-value package)))
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;;;
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;;; FTP client.
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;;;
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(define-record-type <ftp-connection>
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(%make-ftp-connection socket addrinfo)
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ftp-connection?
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(socket ftp-connection-socket)
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(addrinfo ftp-connection-addrinfo))
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(define %ftp-ready-rx
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(make-regexp "^([0-9]{3}) (.+)$"))
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(define (%ftp-listen port)
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(let loop ((line (read-line port)))
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(cond ((eof-object? line) (values line #f))
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((regexp-exec %ftp-ready-rx line)
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=>
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(lambda (match)
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(values (string->number (match:substring match 1))
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(match:substring match 2))))
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(else
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(loop (read-line port))))))
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(define (%ftp-command command expected-code port)
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(format port "~A~A~A" command (string #\return) (string #\newline))
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(let-values (((code message) (%ftp-listen port)))
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(if (eqv? code expected-code)
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message
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(throw 'ftp-error port command code message))))
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(define (%ftp-login user pass port)
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(let ((command (string-append "USER " user (string #\newline))))
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(display command port)
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(let-values (((code message) (%ftp-listen port)))
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(case code
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((230) #t)
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((331) (%ftp-command (string-append "PASS " pass) 230 port))
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(else (throw 'ftp-error port command code message))))))
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(define (ftp-open host)
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(catch 'getaddrinfo-error
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(lambda ()
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(let* ((ai (car (getaddrinfo host "ftp")))
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(s (socket (addrinfo:fam ai) (addrinfo:socktype ai)
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(addrinfo:protocol ai))))
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(connect s (addrinfo:addr ai))
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(setvbuf s _IOLBF)
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(let-values (((code message) (%ftp-listen s)))
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(if (eqv? code 220)
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(begin
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;(%ftp-command "OPTS UTF8 ON" 200 s)
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(%ftp-login "anonymous" "ludo@example.com" s)
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(%make-ftp-connection s ai))
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(begin
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(format (current-error-port) "FTP to `~a' failed: ~A: ~A~%"
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host code message)
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(close s)
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#f)))))
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(lambda (key errcode)
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(format (current-error-port) "failed to resolve `~a': ~a~%"
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host (gai-strerror errcode))
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#f)))
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(define (ftp-close conn)
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(close (ftp-connection-socket conn)))
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(define (ftp-chdir conn dir)
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(%ftp-command (string-append "CWD " dir) 250
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(ftp-connection-socket conn)))
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(define (ftp-pasv conn)
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(define %pasv-rx
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(make-regexp "([0-9]+),([0-9]+),([0-9]+),([0-9]+),([0-9]+),([0-9]+)"))
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(let ((message (%ftp-command "PASV" 227 (ftp-connection-socket conn))))
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(cond ((regexp-exec %pasv-rx message)
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=>
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(lambda (match)
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(+ (* (string->number (match:substring match 5)) 256)
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(string->number (match:substring match 6)))))
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(else
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(throw 'ftp-error conn "PASV" 227 message)))))
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(define* (ftp-list conn #:optional directory)
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(define (address-with-port sa port)
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(let ((fam (sockaddr:fam sa))
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(addr (sockaddr:addr sa)))
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(cond ((= fam AF_INET)
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(make-socket-address fam addr port))
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((= fam AF_INET6)
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(make-socket-address fam addr port
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(sockaddr:flowinfo sa)
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(sockaddr:scopeid sa)))
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(else #f))))
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(if directory
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(ftp-chdir conn directory))
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(let* ((port (ftp-pasv conn))
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(ai (ftp-connection-addrinfo conn))
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(s (socket (addrinfo:fam ai) (addrinfo:socktype ai)
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(addrinfo:protocol ai))))
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(connect s (address-with-port (addrinfo:addr ai) port))
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(setvbuf s _IOLBF)
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(dynamic-wind
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(lambda () #t)
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(lambda ()
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(%ftp-command "LIST" 150 (ftp-connection-socket conn))
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(let loop ((line (read-line s))
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(result '()))
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(cond ((eof-object? line) (reverse result))
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((regexp-exec %ftp-ready-rx line)
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=>
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(lambda (match)
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(let ((code (string->number (match:substring match 1))))
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(if (= 126 code)
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(reverse result)
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(throw 'ftp-error conn "LIST" code)))))
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(else
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(loop (read-line s)
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(let ((file (car (reverse (string-tokenize line)))))
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(cons file result)))))))
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(lambda ()
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(close s)
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(let-values (((code message) (%ftp-listen (ftp-connection-socket conn))))
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(or (eqv? code 226)
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(throw 'ftp-error conn "LIST" code message)))))))
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;;;
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;;; GNU.
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;;;
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(define %ignored-package-attributes
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||
;; Attribute name of packages to be ignored.
|
||
'("bash" "bashReal" "bashInteractive" ;; the full versioned name is incorrect
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||
"autoconf213"
|
||
"automake17x"
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||
"automake19x"
|
||
"automake110x"
|
||
"automake" ;; = 1.10.x
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||
"bison1875"
|
||
"bison23"
|
||
"bison" ;; = 2.3
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||
"emacs22"
|
||
"emacsSnapshot"
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||
"gcc295"
|
||
"gcc33"
|
||
"gcc34"
|
||
"gcc40"
|
||
"gcc41"
|
||
"gcc42"
|
||
"gcc43"
|
||
"gcc44"
|
||
"gcc45"
|
||
"glibc25"
|
||
"glibc27"
|
||
"glibc29"
|
||
"guile_1_9"
|
||
))
|
||
|
||
(define (gnu? package)
|
||
;; Return true if PACKAGE (a snix expression) is a GNU package (according
|
||
;; to a simple heuristic.) Otherwise return #f.
|
||
(match package
|
||
(('attribute _ _ ('derivation _ _ body))
|
||
(any (lambda (attr)
|
||
(match attr
|
||
(('attribute _ "meta" ('attribute-set metas))
|
||
(any (lambda (attr)
|
||
(match attr
|
||
(('attribute _ "description" value)
|
||
(string-prefix? "GNU" value))
|
||
(('attribute _ "homepage" value)
|
||
(string-contains value "www.gnu.org"))
|
||
(_ #f)))
|
||
metas))
|
||
(_ #f)))
|
||
body))
|
||
(_ #f)))
|
||
|
||
(define (gnu-packages packages)
|
||
(fold (lambda (package gnu)
|
||
(match package
|
||
(('attribute _ "emacs23Packages" emacs-packages)
|
||
;; XXX: Should prepend `emacs23Packages.' to attribute names.
|
||
(append (gnu-packages emacs-packages) gnu))
|
||
(('attribute _ attribute-name ('derivation _ _ body))
|
||
(if (member attribute-name %ignored-package-attributes)
|
||
gnu
|
||
(if (gnu? package)
|
||
(cons package gnu)
|
||
gnu)))
|
||
(_ gnu)))
|
||
'()
|
||
packages))
|
||
|
||
(define (ftp-server/directory project)
|
||
(define quirks
|
||
'(("commoncpp2" "ftp.gnu.org" "/gnu/commoncpp" #f)
|
||
("libgcrypt" "ftp.gnupg.org" "/gcrypt" #t)
|
||
("libgpg-error" "ftp.gnupg.org" "/gcrypt" #t)
|
||
("gnupg" "ftp.gnupg.org" "/gcrypt" #t)
|
||
("gnu-ghostscript" "ftp.gnu.org" "/ghostscript" #f)
|
||
("grub" "alpha.gnu.org" "/gnu" #t)
|
||
("GNUnet" "ftp.gnu.org" "/gnu/gnunet" #f)
|
||
("mit-scheme" "ftp.gnu.org" "/gnu/mit-scheme/stable.pkg")
|
||
("icecat" "ftp.gnu.org" "/gnu/gnuzilla" #f)
|
||
("TeXmacs" "ftp.texmacs.org" "/TeXmacs/targz" #f)))
|
||
|
||
(let ((quirk (assoc project quirks)))
|
||
(match quirk
|
||
((_ server directory subdir?)
|
||
(values server (if (not subdir?)
|
||
directory
|
||
(string-append directory "/" project))))
|
||
(_
|
||
(values "ftp.gnu.org" (string-append "/gnu/" project))))))
|
||
|
||
(define (nixpkgs->gnu-name project)
|
||
(define quirks
|
||
'(("gcc-wrapper" . "gcc")
|
||
("ghostscript" . "gnu-ghostscript") ;; ../ghostscript/gnu-ghoscript-X.Y.tar.gz
|
||
("gnum4" . "m4")
|
||
("gnugrep" . "grep")
|
||
("gnused" . "sed")
|
||
("gnutar" . "tar")
|
||
("gnunet" . "GNUnet") ;; ftp.gnu.org/gnu/gnunet/GNUnet-x.y.tar.gz
|
||
("mitscheme" . "mit-scheme")
|
||
("texmacs" . "TeXmacs")))
|
||
|
||
(or (assoc-ref quirks project) project))
|
||
|
||
(define (releases project)
|
||
;; TODO: Handle project release trees like that of IceCat and MyServer.
|
||
(define release-rx
|
||
(make-regexp (string-append "^" project "-[0-9].*\\.tar\\.")))
|
||
|
||
(catch #t
|
||
(lambda ()
|
||
(let-values (((server directory) (ftp-server/directory project)))
|
||
(let* ((conn (ftp-open server))
|
||
(files (ftp-list conn directory)))
|
||
(ftp-close conn)
|
||
(map (lambda (tarball)
|
||
(let ((end (string-contains tarball ".tar")))
|
||
(substring tarball 0 end)))
|
||
|
||
;; Filter out signatures, deltas, and files which are potentially
|
||
;; not releases of PROJECT (e.g., in /gnu/guile, filter out
|
||
;; guile-oops and guile-www).
|
||
(filter (lambda (file)
|
||
(and (not (string-suffix? ".sig" file))
|
||
(regexp-exec release-rx file)))
|
||
files)))))
|
||
(lambda (key subr message . args)
|
||
(format (current-error-port)
|
||
"failed to get release list for `~A': ~A ~A~%"
|
||
project message args)
|
||
'())))
|
||
|
||
(define version-string>?
|
||
(let ((strverscmp
|
||
(let ((sym (or (dynamic-func "strverscmp" (dynamic-link))
|
||
(error "could not find `strverscmp' (from GNU libc)"))))
|
||
(make-foreign-function int sym (list '* '*))))
|
||
(string->null-terminated-utf8
|
||
(lambda (s)
|
||
(let* ((utf8 (string->utf8 s))
|
||
(len (bytevector-length utf8))
|
||
(nts (make-bytevector (+ len 1))))
|
||
(bytevector-copy! utf8 0 nts 0 len)
|
||
(bytevector-u8-set! nts len 0)
|
||
nts))))
|
||
(lambda (a b)
|
||
(let ((a (bytevector->foreign (string->null-terminated-utf8 a)))
|
||
(b (bytevector->foreign (string->null-terminated-utf8 b))))
|
||
(> (strverscmp a b) 0)))))
|
||
|
||
(define (latest-release project)
|
||
;; Return "FOO-X.Y" or #f.
|
||
(let ((releases (releases project)))
|
||
(and (not (null? releases))
|
||
(fold (lambda (release latest)
|
||
(if (version-string>? release latest)
|
||
release
|
||
latest))
|
||
""
|
||
releases))))
|
||
|
||
(define (package/version name+version)
|
||
(let ((hyphen (string-rindex name+version #\-)))
|
||
(if (not hyphen)
|
||
(values name+version #f)
|
||
(let ((name (substring name+version 0 hyphen))
|
||
(version (substring name+version (+ hyphen 1)
|
||
(string-length name+version))))
|
||
(values name version)))))
|
||
|
||
(define (file-extension file)
|
||
(let ((dot (string-rindex file #\.)))
|
||
(and dot (substring file (+ 1 dot) (string-length file)))))
|
||
|
||
(define (packages-to-update gnu-packages)
|
||
(fold (lambda (pkg result)
|
||
(call-with-package pkg
|
||
(lambda (attribute name+version location meta src)
|
||
(let-values (((name old-version)
|
||
(package/version name+version)))
|
||
(let ((latest (latest-release (nixpkgs->gnu-name name))))
|
||
(cond ((not latest)
|
||
(format #t "~A [unknown latest version]~%"
|
||
name+version)
|
||
result)
|
||
((string=? name+version latest)
|
||
(format #t "~A [up to date]~%" name+version)
|
||
result)
|
||
(else
|
||
(let-values (((project new-version)
|
||
(package/version latest))
|
||
((old-name old-hash old-urls)
|
||
(src->values src)))
|
||
(format #t "~A -> ~A [~A]~%" name+version latest
|
||
(and (pair? old-urls) (car old-urls)))
|
||
(let* ((url (and (pair? old-urls)
|
||
(car old-urls)))
|
||
(new-hash (fetch-gnu project new-version
|
||
(if url
|
||
(file-extension url)
|
||
"gz"))))
|
||
(cons (list name attribute
|
||
old-version old-hash
|
||
new-version new-hash
|
||
location)
|
||
result))))))))))
|
||
'()
|
||
gnu-packages))
|
||
|
||
(define (fetch-gnu project version archive-type)
|
||
(let-values (((server directory)
|
||
(ftp-server/directory project)))
|
||
(let* ((base (string-append project "-" version ".tar." archive-type))
|
||
(url (string-append "ftp://" server "/" directory "/" base))
|
||
(sig (string-append base ".sig"))
|
||
(sig-url (string-append url ".sig")))
|
||
(let-values (((hash path) (nix-prefetch-url url)))
|
||
(pk 'prefetch-url url hash path)
|
||
(and hash path
|
||
(begin
|
||
(false-if-exception (delete-file sig))
|
||
(system* "wget" sig-url)
|
||
(if (file-exists? sig)
|
||
(let ((ret (system* "gpg" "--verify" sig path)))
|
||
(false-if-exception (delete-file sig))
|
||
(if (and ret (= 0 (status:exit-val ret)))
|
||
hash
|
||
(begin
|
||
(format (current-error-port)
|
||
"signature verification failed for `~a'~%"
|
||
base)
|
||
(format (current-error-port)
|
||
"(could be because the public key is not in your keyring)~%")
|
||
#f)))
|
||
(begin
|
||
(format (current-error-port)
|
||
"no signature for `~a'~%" base)
|
||
hash))))))))
|
||
|
||
|
||
;;;
|
||
;;; Main program.
|
||
;;;
|
||
|
||
(define %options
|
||
;; Specifications of the command-line options.
|
||
(list (option '(#\h "help") #f #f
|
||
(lambda (opt name arg result)
|
||
(format #t "Usage: gnupdate [OPTIONS...]~%")
|
||
(format #t "GNUpdate -- update Nix expressions of GNU packages in Nixpkgs~%")
|
||
(format #t "~%")
|
||
(format #t " -x, --xml=FILE Read XML output of `nix-instantiate'~%")
|
||
(format #t " from FILE.~%")
|
||
(format #t " -s, --select=SET Update only packages from SET, which may~%")
|
||
(format #t " be either `all', `stdenv', or `non-stdenv'.~%")
|
||
(format #t " -d, --dry-run Don't actually update Nix expressions~%")
|
||
(format #t " -h, --help Give this help list.~%~%")
|
||
(format #t "Report bugs to <ludo@gnu.org>~%")
|
||
(exit 0)))
|
||
(option '(#\s "select") #t #f
|
||
(lambda (opt name arg result)
|
||
(cond ((string-ci=? arg "stdenv")
|
||
(alist-cons 'filter 'stdenv result))
|
||
((string-ci=? arg "non-stdenv")
|
||
(alist-cons 'filter 'non-stdenv result))
|
||
((string-ci=? arg "all")
|
||
(alist-cons 'filter #f result))
|
||
(else
|
||
(format (current-error-port)
|
||
"~A: unrecognized selection type~%"
|
||
arg)
|
||
(exit 1)))))
|
||
|
||
(option '(#\d "dry-run") #f #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'dry-run #t result)))
|
||
|
||
(option '(#\x "xml") #t #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'xml-file arg result)))))
|
||
|
||
(define (gnupdate . args)
|
||
;; Assume Nixpkgs is under $NIXPKGS or ~/src/nixpkgs.
|
||
(let* ((opts (args-fold (cdr args) %options
|
||
(lambda (opt name arg result)
|
||
(error "unrecognized option `~A'" name))
|
||
(lambda (operand result)
|
||
(error "extraneous argument `~A'" operand))
|
||
'()))
|
||
(home (getenv "HOME"))
|
||
(path (or (getenv "NIXPKGS")
|
||
(string-append home "/src/nixpkgs")))
|
||
(snix (begin
|
||
(format (current-error-port) "parsing XML...~%")
|
||
(xml->snix
|
||
(or (and=> (assoc-ref opts 'xml-file) open-input-file)
|
||
(open-nixpkgs path)))))
|
||
(packages (match snix
|
||
(('snix _ ('attribute-set attributes))
|
||
attributes)
|
||
(_ #f)))
|
||
(stdenv (delay
|
||
;; The source tarballs that make up stdenv.
|
||
(filter-map derivation-source-output-path
|
||
(package-requisites (stdenv-package packages)))))
|
||
(gnu (gnu-packages packages))
|
||
(gnu* (case (assoc-ref opts 'filter)
|
||
;; Filter out packages that are/aren't in `stdenv'. To
|
||
;; do that reliably, we check whether their "src"
|
||
;; derivation is a requisite of stdenv.
|
||
((stdenv)
|
||
(filter (lambda (p)
|
||
(member (package-source-output-path p)
|
||
(force stdenv)))
|
||
gnu))
|
||
((non-stdenv)
|
||
(filter (lambda (p)
|
||
(not (member (package-source-output-path p)
|
||
(force stdenv))))
|
||
gnu))
|
||
(else gnu)))
|
||
(updates (packages-to-update gnu*)))
|
||
|
||
(format #t "~%~A packages to update...~%" (length updates))
|
||
(for-each (lambda (update)
|
||
(match update
|
||
((name attribute
|
||
old-version old-hash
|
||
new-version new-hash
|
||
location)
|
||
(if (assoc-ref opts 'dry-run)
|
||
(format #t "`~a' would be updated from ~a to ~a (~a -> ~a)~%"
|
||
name old-version new-version
|
||
old-hash new-hash)
|
||
(update-nix-expression (location-file location)
|
||
old-version old-hash
|
||
new-version new-hash)))
|
||
(_ #f)))
|
||
updates)
|
||
#t))
|