604 lines
22 KiB
Scheme
604 lines
22 KiB
Scheme
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2014 Alex Kost <alezost@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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;;; Commentary:
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;; Information about packages and generations is passed to the elisp
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;; side in the form of alists of parameters (such as ‘name’ or
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;; ‘version’) and their values. These alists are called "entries" in
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;; this code. So to distinguish, just "package" in the name of a
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;; function means a guile object ("package" record) while
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;; "package entry" means alist of package parameters and values (see
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;; ‘package-param-alist’).
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;;
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;; "Entry" is probably not the best name for such alists, because there
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;; already exists "manifest-entry" which has nothing to do with the
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;; "entry" described above. Do not be confused :)
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;; ‘get-entries’ function is the “entry point” for the elisp side to get
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;; information about packages and generations.
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;; Since name/version pair is not necessarily unique, we use
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;; `object-address' to identify a package (for ‘id’ parameter), if
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;; possible. However for the obsolete packages (that can be found in
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;; installed manifest but not in a package directory), ‘id’ parameter is
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;; still "name-version" string. So ‘id’ package parameter in the code
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;; below is either an object-address number or a full-name string.
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;;
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;; Important: as object addresses live only during guile session, elisp
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;; part should take care about updating information after "Guix REPL" is
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;; restarted (TODO!)
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;;
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;; ‘installed’ parameter of a package entry contains information about
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;; installed outputs. It is a list of "installed entries" (see
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;; ‘package-installed-param-alist’).
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;; To speed-up the process of getting information, the following
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;; auxiliary variables are used:
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;;
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;; - `%packages' - VHash of "package address"/"package" pairs.
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;;
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;; - `%package-table' - Hash table of
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;; "name+version key"/"list of packages" pairs.
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;;
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;; - `%current-manifest-entries-table' - Hash table of
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;; "name+version key"/"list of manifest entries" pairs. This variable
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;; is set by `set-current-manifest-maybe!' when it is needed.
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;;; Code:
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(use-modules
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(ice-9 vlist)
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(ice-9 match)
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(srfi srfi-1)
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(srfi srfi-11)
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(srfi srfi-19)
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(srfi srfi-26)
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(guix)
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(guix packages)
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(guix profiles)
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(guix licenses)
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(guix utils)
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(guix ui)
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(guix scripts package)
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(gnu packages))
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(define-syntax-rule (first-or-false lst)
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(and (not (null? lst))
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(first lst)))
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(define full-name->name+version package-name->name+version)
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(define (name+version->full-name name version)
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(string-append name "-" version))
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(define* (make-package-specification name #:optional version output)
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(let ((full-name (if version
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(name+version->full-name name version)
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name)))
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(if output
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(string-append full-name ":" output)
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full-name)))
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(define name+version->key cons)
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(define key->name+version car+cdr)
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(define %current-manifest #f)
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(define %current-manifest-entries-table #f)
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(define %packages
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(fold-packages (lambda (pkg res)
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(vhash-consq (object-address pkg) pkg res))
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vlist-null))
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(define %package-table
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(let ((table (make-hash-table (vlist-length %packages))))
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(vlist-for-each
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(lambda (elem)
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(match elem
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((address . pkg)
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(let* ((key (name+version->key (package-name pkg)
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(package-version pkg)))
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(ref (hash-ref table key)))
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(hash-set! table key
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(if ref (cons pkg ref) (list pkg)))))))
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%packages)
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table))
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;; FIXME get rid of this function!
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(define (set-current-manifest-maybe! profile)
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(define (manifest-entries->hash-table entries)
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(let ((entries-table (make-hash-table (length entries))))
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(for-each (lambda (entry)
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(let* ((key (name+version->key
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(manifest-entry-name entry)
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(manifest-entry-version entry)))
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(ref (hash-ref entries-table key)))
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(hash-set! entries-table key
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(if ref (cons entry ref) (list entry)))))
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entries)
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entries-table))
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(when profile
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(let ((manifest (profile-manifest profile)))
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(unless (and (manifest? %current-manifest)
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(equal? manifest %current-manifest))
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(set! %current-manifest manifest)
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(set! %current-manifest-entries-table
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(manifest-entries->hash-table
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(manifest-entries manifest)))))))
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(define (manifest-entries-by-name+version name version)
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(or (hash-ref %current-manifest-entries-table
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(name+version->key name version))
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'()))
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(define (packages-by-name+version name version)
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(or (hash-ref %package-table
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(name+version->key name version))
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'()))
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(define (packages-by-full-name full-name)
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(call-with-values
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(lambda () (full-name->name+version full-name))
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packages-by-name+version))
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(define (package-by-address address)
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(and=> (vhash-assq address %packages)
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cdr))
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(define (packages-by-id id)
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(if (integer? id)
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(let ((pkg (package-by-address id)))
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(if pkg (list pkg) '()))
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(packages-by-full-name id)))
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(define (package-by-id id)
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(first-or-false (packages-by-id id)))
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(define (newest-package-by-id id)
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(and=> (id->name+version id)
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(lambda (name)
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(first-or-false (find-best-packages-by-name name #f)))))
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(define (id->name+version id)
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(if (integer? id)
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(and=> (package-by-address id)
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(lambda (pkg)
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(values (package-name pkg)
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(package-version pkg))))
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(full-name->name+version id)))
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(define (fold-manifest-entries proc init)
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"Fold over `%current-manifest-entries-table'.
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Call (PROC NAME VERSION ENTRIES RESULT) for each element of the hash
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table, using INIT as the initial value of RESULT."
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(hash-fold (lambda (key entries res)
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(let-values (((name version) (key->name+version key)))
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(proc name version entries res)))
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init
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%current-manifest-entries-table))
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(define (fold-object proc init obj)
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(fold proc init
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(if (list? obj) obj (list obj))))
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(define* (object-transformer param-alist #:optional (params '()))
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"Return function for transforming an object into alist of parameters/values.
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PARAM-ALIST is alist of available object parameters (symbols) and functions
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returning values of these parameters. Each function is called with object as
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a single argument.
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PARAMS is list of parameters from PARAM-ALIST that should be returned by a
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resulting function. If PARAMS is not specified or is an empty list, use all
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available parameters.
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Example:
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(let ((alist `((plus1 . ,1+) (minus1 . ,1-) (mul2 . ,(cut * 2 <>))))
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(number->alist (object-transformer alist '(plus1 mul2))))
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(number->alist 8))
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=>
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((plus1 . 9) (mul2 . 16))
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"
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(let ((alist (let ((use-all-params (null? params)))
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(filter-map (match-lambda
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((param . fun)
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(and (or use-all-params
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(memq param params))
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(cons param fun)))
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(_ #f))
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param-alist))))
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(lambda (object)
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(map (match-lambda
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((param . fun)
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(cons param (fun object))))
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alist))))
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(define package-installed-param-alist
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(list
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(cons 'output manifest-entry-output)
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(cons 'path manifest-entry-item)
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(cons 'dependencies manifest-entry-dependencies)))
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(define manifest-entry->installed-entry
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(object-transformer package-installed-param-alist))
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(define (manifest-entries->installed-entries entries)
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(map manifest-entry->installed-entry entries))
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(define (installed-entries-by-name+version name version)
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(manifest-entries->installed-entries
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(manifest-entries-by-name+version name version)))
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(define (installed-entries-by-package package)
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(installed-entries-by-name+version (package-name package)
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(package-version package)))
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(define (package-inputs-names inputs)
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"Return list of full names of the packages from package INPUTS."
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(filter-map (match-lambda
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((_ (? package? package))
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(package-full-name package))
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(_ #f))
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inputs))
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(define (package-license-names package)
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"Return list of license names of the PACKAGE."
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(fold-object (lambda (license res)
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(if (license? license)
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(cons (license-name license) res)
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res))
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'()
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(package-license package)))
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(define (package-unique? package)
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"Return #t if PACKAGE is a single package with such name/version."
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(null? (cdr (packages-by-name+version (package-name package)
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(package-version package)))))
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(define package-param-alist
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(list
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(cons 'id object-address)
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(cons 'name package-name)
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(cons 'version package-version)
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(cons 'license package-license-names)
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(cons 'synopsis package-synopsis)
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(cons 'description package-description)
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(cons 'home-url package-home-page)
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(cons 'outputs package-outputs)
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(cons 'non-unique (negate package-unique?))
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(cons 'inputs (lambda (pkg) (package-inputs-names
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(package-inputs pkg))))
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(cons 'native-inputs (lambda (pkg) (package-inputs-names
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(package-native-inputs pkg))))
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(cons 'propagated-inputs (lambda (pkg) (package-inputs-names
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(package-propagated-inputs pkg))))
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(cons 'location (lambda (pkg) (location->string
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(package-location pkg))))
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(cons 'installed installed-entries-by-package)))
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(define (package-param package param)
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"Return the value of a PACKAGE PARAM."
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(define (accessor param)
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(and=> (assq param package-param-alist)
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cdr))
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(and=> (accessor param)
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(cut <> package)))
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(define (matching-package-entries ->entry predicate)
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"Return list of package entries for the matching packages.
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PREDICATE is called on each package."
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(fold-packages (lambda (pkg res)
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(if (predicate pkg)
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(cons (->entry pkg) res)
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res))
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'()))
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(define (make-obsolete-package-entry name version entries)
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"Return package entry for an obsolete package with NAME and VERSION.
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ENTRIES is a list of manifest entries used to get installed info."
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`((id . ,(name+version->full-name name version))
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(name . ,name)
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(version . ,version)
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(outputs . ,(map manifest-entry-output entries))
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(obsolete . #t)
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(installed . ,(manifest-entries->installed-entries entries))))
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(define (package-entries-by-name+version ->entry name version)
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"Return list of package entries for packages with NAME and VERSION."
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(let ((packages (packages-by-name+version name version)))
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(if (null? packages)
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(let ((entries (manifest-entries-by-name+version name version)))
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(if (null? entries)
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'()
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(list (make-obsolete-package-entry name version entries))))
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(map ->entry packages))))
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(define (package-entries-by-spec profile ->entry spec)
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"Return list of package entries for packages with name specification SPEC."
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(set-current-manifest-maybe! profile)
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(let-values (((name version)
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(full-name->name+version spec)))
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(if version
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(package-entries-by-name+version ->entry name version)
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(matching-package-entries
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->entry
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(lambda (pkg) (string=? name (package-name pkg)))))))
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(define (package-entries-by-regexp profile ->entry regexp match-params)
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"Return list of package entries for packages matching REGEXP string.
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MATCH-PARAMS is a list of parameters that REGEXP can match."
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(define (package-match? package regexp)
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(any (lambda (param)
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(let ((val (package-param package param)))
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|
(and (string? val) (regexp-exec regexp val))))
|
|||
|
|
match-params))
|
|||
|
|
|
|||
|
|
(set-current-manifest-maybe! profile)
|
|||
|
|
(let ((re (make-regexp regexp regexp/icase)))
|
|||
|
|
(matching-package-entries ->entry (cut package-match? <> re))))
|
|||
|
|
|
|||
|
|
(define (package-entries-by-ids profile ->entry ids)
|
|||
|
|
"Return list of package entries for packages matching KEYS.
|
|||
|
|
IDS may be an object-address, a full-name or a list of such elements."
|
|||
|
|
(set-current-manifest-maybe! profile)
|
|||
|
|
(fold-object
|
|||
|
|
(lambda (id res)
|
|||
|
|
(if (integer? id)
|
|||
|
|
(let ((pkg (package-by-address id)))
|
|||
|
|
(if pkg
|
|||
|
|
(cons (->entry pkg) res)
|
|||
|
|
res))
|
|||
|
|
(let ((entries (package-entries-by-spec #f ->entry id)))
|
|||
|
|
(if (null? entries)
|
|||
|
|
res
|
|||
|
|
(append res entries)))))
|
|||
|
|
'()
|
|||
|
|
ids))
|
|||
|
|
|
|||
|
|
(define (newest-available-package-entries profile ->entry)
|
|||
|
|
"Return list of package entries for the newest available packages."
|
|||
|
|
(set-current-manifest-maybe! profile)
|
|||
|
|
(vhash-fold (lambda (name elem res)
|
|||
|
|
(match elem
|
|||
|
|
((version newest pkgs ...)
|
|||
|
|
(cons (->entry newest) res))))
|
|||
|
|
'()
|
|||
|
|
(find-newest-available-packages)))
|
|||
|
|
|
|||
|
|
(define (all-available-package-entries profile ->entry)
|
|||
|
|
"Return list of package entries for all available packages."
|
|||
|
|
(set-current-manifest-maybe! profile)
|
|||
|
|
(matching-package-entries ->entry (const #t)))
|
|||
|
|
|
|||
|
|
(define (manifest-package-entries ->entry)
|
|||
|
|
"Return list of package entries for the current manifest."
|
|||
|
|
(fold-manifest-entries
|
|||
|
|
(lambda (name version entries res)
|
|||
|
|
;; We don't care about duplicates for the list of
|
|||
|
|
;; installed packages, so just take any package (car)
|
|||
|
|
;; matching name+version
|
|||
|
|
(cons (car (package-entries-by-name+version ->entry name version))
|
|||
|
|
res))
|
|||
|
|
'()))
|
|||
|
|
|
|||
|
|
(define (installed-package-entries profile ->entry)
|
|||
|
|
"Return list of package entries for all installed packages."
|
|||
|
|
(set-current-manifest-maybe! profile)
|
|||
|
|
(manifest-package-entries ->entry))
|
|||
|
|
|
|||
|
|
(define (generation-package-entries profile ->entry generation)
|
|||
|
|
"Return list of package entries for packages from GENERATION."
|
|||
|
|
(set-current-manifest-maybe!
|
|||
|
|
(generation-file-name profile generation))
|
|||
|
|
(manifest-package-entries ->entry))
|
|||
|
|
|
|||
|
|
(define (obsolete-package-entries profile _)
|
|||
|
|
"Return list of package entries for obsolete packages."
|
|||
|
|
(set-current-manifest-maybe! profile)
|
|||
|
|
(fold-manifest-entries
|
|||
|
|
(lambda (name version entries res)
|
|||
|
|
(let ((packages (packages-by-name+version name version)))
|
|||
|
|
(if (null? packages)
|
|||
|
|
(cons (make-obsolete-package-entry name version entries) res)
|
|||
|
|
res)))
|
|||
|
|
'()))
|
|||
|
|
|
|||
|
|
|
|||
|
|
;;; Generation entries
|
|||
|
|
|
|||
|
|
(define (profile-generations profile)
|
|||
|
|
"Return list of generations for PROFILE."
|
|||
|
|
(let ((generations (generation-numbers profile)))
|
|||
|
|
(if (equal? generations '(0))
|
|||
|
|
'()
|
|||
|
|
generations)))
|
|||
|
|
|
|||
|
|
(define (generation-param-alist profile)
|
|||
|
|
"Return alist of generation parameters and functions for PROFILE."
|
|||
|
|
(list
|
|||
|
|
(cons 'id identity)
|
|||
|
|
(cons 'number identity)
|
|||
|
|
(cons 'prev-number (cut previous-generation-number profile <>))
|
|||
|
|
(cons 'path (cut generation-file-name profile <>))
|
|||
|
|
(cons 'time (lambda (gen)
|
|||
|
|
(time-second (generation-time profile gen))))))
|
|||
|
|
|
|||
|
|
(define (matching-generation-entries profile ->entry predicate)
|
|||
|
|
"Return list of generation entries for the matching generations.
|
|||
|
|
PREDICATE is called on each generation."
|
|||
|
|
(filter-map (lambda (gen)
|
|||
|
|
(and (predicate gen) (->entry gen)))
|
|||
|
|
(profile-generations profile)))
|
|||
|
|
|
|||
|
|
(define (last-generation-entries profile ->entry number)
|
|||
|
|
"Return list of last NUMBER generation entries.
|
|||
|
|
If NUMBER is 0 or less, return all generation entries."
|
|||
|
|
(let ((generations (profile-generations profile))
|
|||
|
|
(number (if (<= number 0) +inf.0 number)))
|
|||
|
|
(map ->entry
|
|||
|
|
(if (> (length generations) number)
|
|||
|
|
(list-head (reverse generations) number)
|
|||
|
|
generations))))
|
|||
|
|
|
|||
|
|
(define (all-generation-entries profile ->entry)
|
|||
|
|
"Return list of all generation entries."
|
|||
|
|
(last-generation-entries profile ->entry +inf.0))
|
|||
|
|
|
|||
|
|
(define (generation-entries-by-ids profile ->entry ids)
|
|||
|
|
"Return list of generation entries for generations matching IDS.
|
|||
|
|
IDS is a list of generation numbers."
|
|||
|
|
(matching-generation-entries profile ->entry (cut memq <> ids)))
|
|||
|
|
|
|||
|
|
|
|||
|
|
;;; Getting package/generation entries
|
|||
|
|
|
|||
|
|
(define %package-entries-functions
|
|||
|
|
(alist->vhash
|
|||
|
|
`((id . ,package-entries-by-ids)
|
|||
|
|
(name . ,package-entries-by-spec)
|
|||
|
|
(regexp . ,package-entries-by-regexp)
|
|||
|
|
(all-available . ,all-available-package-entries)
|
|||
|
|
(newest-available . ,newest-available-package-entries)
|
|||
|
|
(installed . ,installed-package-entries)
|
|||
|
|
(obsolete . ,obsolete-package-entries)
|
|||
|
|
(generation . ,generation-package-entries))
|
|||
|
|
hashq))
|
|||
|
|
|
|||
|
|
(define %generation-entries-functions
|
|||
|
|
(alist->vhash
|
|||
|
|
`((id . ,generation-entries-by-ids)
|
|||
|
|
(last . ,last-generation-entries)
|
|||
|
|
(all . ,all-generation-entries))
|
|||
|
|
hashq))
|
|||
|
|
|
|||
|
|
(define (get-entries profile params entry-type search-type search-vals)
|
|||
|
|
"Return list of entries.
|
|||
|
|
ENTRY-TYPE and SEARCH-TYPE define a search function that should be
|
|||
|
|
applied to PARAMS and VALS."
|
|||
|
|
(let-values (((vhash ->entry)
|
|||
|
|
(case entry-type
|
|||
|
|
((package)
|
|||
|
|
(values %package-entries-functions
|
|||
|
|
(object-transformer
|
|||
|
|
package-param-alist params)))
|
|||
|
|
((generation)
|
|||
|
|
(values %generation-entries-functions
|
|||
|
|
(object-transformer
|
|||
|
|
(generation-param-alist profile) params)))
|
|||
|
|
(else (format (current-error-port)
|
|||
|
|
"Wrong entry type '~a'" entry-type)))))
|
|||
|
|
(match (vhash-assq search-type vhash)
|
|||
|
|
((key . fun)
|
|||
|
|
(apply fun profile ->entry search-vals))
|
|||
|
|
(_ '()))))
|
|||
|
|
|
|||
|
|
|
|||
|
|
;;; Actions
|
|||
|
|
|
|||
|
|
(define* (package->manifest-entry* package #:optional output)
|
|||
|
|
(and package
|
|||
|
|
(begin
|
|||
|
|
(check-package-freshness package)
|
|||
|
|
(package->manifest-entry package output))))
|
|||
|
|
|
|||
|
|
(define* (make-install-manifest-entries id #:optional output)
|
|||
|
|
(package->manifest-entry* (package-by-id id) output))
|
|||
|
|
|
|||
|
|
(define* (make-upgrade-manifest-entries id #:optional output)
|
|||
|
|
(package->manifest-entry* (newest-package-by-id id) output))
|
|||
|
|
|
|||
|
|
(define* (make-manifest-pattern id #:optional output)
|
|||
|
|
"Make manifest pattern from a package ID and OUTPUT."
|
|||
|
|
(let-values (((name version)
|
|||
|
|
(id->name+version id)))
|
|||
|
|
(and name version
|
|||
|
|
(manifest-pattern
|
|||
|
|
(name name)
|
|||
|
|
(version version)
|
|||
|
|
(output output)))))
|
|||
|
|
|
|||
|
|
(define (convert-action-pattern pattern proc)
|
|||
|
|
"Convert action PATTERN into a list of objects returned by PROC.
|
|||
|
|
PROC is called: (PROC ID) or (PROC ID OUTPUT)."
|
|||
|
|
(match pattern
|
|||
|
|
((id . outputs)
|
|||
|
|
(if (null? outputs)
|
|||
|
|
(let ((obj (proc id)))
|
|||
|
|
(if obj (list obj) '()))
|
|||
|
|
(filter-map (cut proc id <>)
|
|||
|
|
outputs)))
|
|||
|
|
(_ '())))
|
|||
|
|
|
|||
|
|
(define (convert-action-patterns patterns proc)
|
|||
|
|
(append-map (cut convert-action-pattern <> proc)
|
|||
|
|
patterns))
|
|||
|
|
|
|||
|
|
(define* (process-package-actions
|
|||
|
|
profile #:key (install '()) (upgrade '()) (remove '())
|
|||
|
|
(use-substitutes? #t) dry-run?)
|
|||
|
|
"Perform package actions.
|
|||
|
|
|
|||
|
|
INSTALL, UPGRADE, REMOVE are lists of 'package action patterns'.
|
|||
|
|
Each pattern should have the following form:
|
|||
|
|
|
|||
|
|
(ID . OUTPUTS)
|
|||
|
|
|
|||
|
|
ID is an object address or a full-name of a package.
|
|||
|
|
OUTPUTS is a list of package outputs (may be an empty list)."
|
|||
|
|
(format #t "The process begins ...~%")
|
|||
|
|
(let* ((install (append
|
|||
|
|
(convert-action-patterns
|
|||
|
|
install make-install-manifest-entries)
|
|||
|
|
(convert-action-patterns
|
|||
|
|
upgrade make-upgrade-manifest-entries)))
|
|||
|
|
(remove (convert-action-patterns remove make-manifest-pattern))
|
|||
|
|
(transaction (manifest-transaction (install install)
|
|||
|
|
(remove remove)))
|
|||
|
|
(manifest (profile-manifest profile))
|
|||
|
|
(new-manifest (manifest-perform-transaction
|
|||
|
|
manifest transaction)))
|
|||
|
|
(unless (and (null? install) (null? remove))
|
|||
|
|
(let* ((store (open-connection))
|
|||
|
|
(derivation (run-with-store
|
|||
|
|
store (profile-derivation new-manifest)))
|
|||
|
|
(derivations (list derivation))
|
|||
|
|
(new-profile (derivation->output-path derivation)))
|
|||
|
|
(set-build-options store
|
|||
|
|
#:use-substitutes? use-substitutes?)
|
|||
|
|
(manifest-show-transaction store manifest transaction
|
|||
|
|
#:dry-run? dry-run?)
|
|||
|
|
(show-what-to-build store derivations
|
|||
|
|
#:use-substitutes? use-substitutes?
|
|||
|
|
#:dry-run? dry-run?)
|
|||
|
|
(unless dry-run?
|
|||
|
|
(let ((name (generation-file-name
|
|||
|
|
profile
|
|||
|
|
(+ 1 (generation-number profile)))))
|
|||
|
|
(and (build-derivations store derivations)
|
|||
|
|
(let* ((entries (manifest-entries new-manifest))
|
|||
|
|
(count (length entries)))
|
|||
|
|
(switch-symlinks name new-profile)
|
|||
|
|
(switch-symlinks profile name)
|
|||
|
|
(format #t (N_ "~a package in profile~%"
|
|||
|
|
"~a packages in profile~%"
|
|||
|
|
count)
|
|||
|
|
count)))))))))
|
|||
|
|
|