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9f526f5dad
Updaters need to be modified to return 'git-reference' objects. This patch modifies the 'generic-git' and 'minetest' updater, but others might need to be modified as well. * guix/git.scm (git-reference->git-checkout): New procedure. * guix/upstream.scm (package-update/git-fetch): New procedure. (<upstream-source>)[urls]: Document it can be a 'git-reference'. (%method-updates): Add 'git-fetch' mapping. (update-package-source): Support 'git-reference' sources. (upstream-source-compiler/url-fetch): Split off from ... (upstream-source-compiler): ... this, and call ... (upstream-source-compiler/git-fetch): ... this new procedure if the URL field contains a 'git-reference'. * guix/import/git.scm (latest-git-tag-version): Always return two values and document that the tag is returned as well. (latest-git-release)[urls]: Use the 'git-reference' instead of the repository URL. * guix/import/minetest.scm (latest-minetest-release)[urls]: Don't wrap the 'git-reference' in a list. * tests/minetest.scm (upstream-source->sexp): Adjust to new convention. Co-authored-by: Maxime Devos <maximedevos@telenet.be> Signed-off-by: Ludovic Courtès <ludo@gnu.org>
229 lines
8.7 KiB
Scheme
229 lines
8.7 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
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;;; Copyright © 2021 Sarah Morgensen <iskarian@mgsn.dev>
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;;; Copyright © 2022 Maxime Devos <maximedevos@telenet.be>
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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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(define-module (guix import git)
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#:use-module (guix build utils)
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#:use-module (guix diagnostics)
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#:use-module (guix git)
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#:use-module (guix git-download)
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#:use-module (guix i18n)
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#:use-module (guix packages)
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#:use-module (guix upstream)
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#:use-module (guix utils)
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#:use-module (ice-9 format)
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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 (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:use-module (srfi srfi-34)
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#:use-module (srfi srfi-35)
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#:use-module (srfi srfi-71)
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#:export (%generic-git-updater
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;; For tests.
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latest-git-tag-version))
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;;; Commentary:
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;;;
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;;; This module provides a generic package updater for packages hosted on Git
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;;; repositories.
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;;;
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;;; It tries to be smart about tag names, but if it is not automatically able
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;;; to parse the tag names correctly, users can set the `release-tag-prefix',
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;;; `release-tag-suffix' and `release-tag-version-delimiter' properties of the
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;;; package to make the updater parse the Git tag name correctly.
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;;;
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;;; Possible improvements:
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;;;
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;;; * More robust method for trying to guess the delimiter. Maybe look at the
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;;; previous version/tag combo to determine the delimiter.
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;;;
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;;; * Differentiate between "normal" versions, e.g., 1.2.3, and dates, e.g.,
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;;; 2021.12.31. Honor a `release-tag-date-scheme?' property?
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;;;
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;;; Code:
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;;; Errors & warnings
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(define-condition-type &git-no-valid-tags-error &error
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git-no-valid-tags-error?)
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(define (git-no-valid-tags-error)
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(raise (condition (&message (message "no valid tags found"))
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(&git-no-valid-tags-error))))
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(define-condition-type &git-no-tags-error &error
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git-no-tags-error?)
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(define (git-no-tags-error)
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(raise (condition (&message (message "no tags were found"))
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(&git-no-tags-error))))
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;;; Updater
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(define %pre-release-words
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'("alpha" "beta" "rc" "dev" "test" "pre"))
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(define %pre-release-rx
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(map (lambda (word)
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(make-regexp (string-append ".+" word) regexp/icase))
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%pre-release-words))
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(define* (version-mapping tags #:key prefix suffix delim pre-releases?)
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"Given a list of Git TAGS, return an association list where the car is the
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version corresponding to the tag, and the cdr is the name of the tag."
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(define (guess-delimiter)
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(let ((total (length tags))
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(dots (reduce + 0 (map (cut string-count <> #\.) tags)))
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(dashes (reduce + 0 (map (cut string-count <> #\-) tags)))
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(underscores (reduce + 0 (map (cut string-count <> #\_) tags))))
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(cond
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((>= dots (* total 0.35)) ".")
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((>= dashes (* total 0.8)) "-")
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((>= underscores (* total 0.8)) "_")
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(else ""))))
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(define delim-rx (regexp-quote (or delim (guess-delimiter))))
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(define suffix-rx (string-append (or suffix "") "$"))
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(define prefix-rx (string-append "^" (or prefix "[^[:digit:]]*")))
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(define pre-release-rx
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(if pre-releases?
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(string-append "(.*(" (string-join %pre-release-words "|") ").*)")
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""))
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(define tag-rx
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(string-append prefix-rx "([[:digit:]][^" delim-rx "[:punct:]]*"
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"(" delim-rx "[^[:punct:]" delim-rx "]+)"
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;; If there are no delimiters, it could mean that the
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;; version just contains one number (e.g., "2"), thus, use
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;; "*" instead of "+" to match zero or more numbers.
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(if (string=? delim-rx "") "*" "+") ")"
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;; We don't want the pre-release stuff (e.g., "-alpha") be
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;; part of the first group; otherwise, the "-" in "-alpha"
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;; might be interpreted as a delimiter, and thus replaced
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;; with "."
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pre-release-rx suffix-rx))
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(define (get-version tag)
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(let ((tag-match (regexp-exec (make-regexp tag-rx) tag)))
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(and=> (and tag-match
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(regexp-substitute/global
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#f delim-rx (match:substring tag-match 1)
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;; If there were no delimiters, don't insert ".".
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'pre (if (string=? delim-rx "") "" ".") 'post))
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(lambda (version)
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(if pre-releases?
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(string-append version (match:substring tag-match 3))
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version)))))
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(define (entry<? a b)
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(eq? (version-compare (car a) (car b)) '<))
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(stable-sort (filter-map (lambda (tag)
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(let ((version (get-version tag)))
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(and version (cons version tag))))
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tags)
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entry<?))
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(define* (latest-tag url #:key prefix suffix delim pre-releases?)
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"Return the latest version and corresponding tag available from the Git
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repository at URL."
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(define (pre-release? tag)
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(any (cut regexp-exec <> tag)
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%pre-release-rx))
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(let* ((tags (map (cut string-drop <> (string-length "refs/tags/"))
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(remote-refs url #:tags? #t)))
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(versions->tags
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(version-mapping (if pre-releases?
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tags
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(filter (negate pre-release?) tags))
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#:prefix prefix
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#:suffix suffix
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#:delim delim
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#:pre-releases? pre-releases?)))
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(cond
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((null? tags)
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(git-no-tags-error))
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((null? versions->tags)
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(git-no-valid-tags-error))
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(else
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(match (last versions->tags)
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((version . tag)
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(values version tag)))))))
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(define (latest-git-tag-version package)
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"Given a PACKAGE, return the latest version of it and the corresponding git
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tag, or #false and #false if the latest version could not be determined."
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(guard (c ((or (git-no-tags-error? c) (git-no-valid-tags-error? c))
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(warning (or (package-field-location package 'source)
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(package-location package))
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(G_ "~a for ~a~%")
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(condition-message c)
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(package-name package))
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(values #f #f))
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((eq? (exception-kind c) 'git-error)
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(warning (or (package-field-location package 'source)
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(package-location package))
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(G_ "failed to fetch Git repository for ~a~%")
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(package-name package))
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(values #f #f)))
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(let* ((source (package-source package))
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(url (git-reference-url (origin-uri source)))
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(property (cute assq-ref (package-properties package) <>)))
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(latest-tag url
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#:prefix (property 'release-tag-prefix)
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#:suffix (property 'release-tag-suffix)
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#:delim (property 'release-tag-version-delimiter)
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#:pre-releases? (property 'accept-pre-releases?)))))
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(define (git-package? package)
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"Return true if PACKAGE is hosted on a Git repository."
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(match (package-source package)
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((? origin? origin)
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(and (eq? (origin-method origin) git-fetch)
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(git-reference? (origin-uri origin))))
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(_ #f)))
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(define (latest-git-release package)
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"Return an <upstream-source> for the latest release of PACKAGE."
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(let* ((name (package-name package))
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(old-version (package-version package))
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(old-reference (origin-uri (package-source package)))
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(new-version new-version-tag (latest-git-tag-version package)))
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(and new-version new-version-tag
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(upstream-source
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(package name)
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(version new-version)
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(urls (git-reference
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(url (git-reference-url old-reference))
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(commit new-version-tag)
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(recursive? (git-reference-recursive? old-reference))))))))
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(define %generic-git-updater
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(upstream-updater
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(name 'generic-git)
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(description "Updater for packages hosted on Git repositories")
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(pred git-package?)
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(latest latest-git-release)))
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