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References: <0a8d7bce31856292baa06a08260494c0@autistici.org> In-Reply-To: <0a8d7bce31856292baa06a08260494c0@autistici.org> Resent-From: Giacomo Leidi Original-Sender: "Debbugs-submit" Resent-CC: , guix-patches@gnu.org Resent-Date: Fri, 06 Oct 2023 21:23:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 60521 X-GNU-PR-Package: guix-patches X-GNU-PR-Keywords: moreinfo patch To: 60521@debbugs.gnu.org Cc: Giacomo Leidi , ( , Andrew Tropin , Ludovic =?UTF-8?Q?Court=C3=A8s?= X-Debbugs-Original-Xcc: ( , Andrew Tropin , Ludovic =?UTF-8?Q?Court=C3=A8s?= Received: via spool by 60521-submit@debbugs.gnu.org id=B60521.16966273673602 (code B ref 60521); Fri, 06 Oct 2023 21:23:01 +0000 Received: (at 60521) by debbugs.gnu.org; 6 Oct 2023 21:22:47 +0000 Received: from localhost ([127.0.0.1]:52797 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qosHX-0000w1-5y for submit@debbugs.gnu.org; Fri, 06 Oct 2023 17:22:47 -0400 Received: from confino.investici.org ([93.190.126.19]:54307) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qosHV-0000vt-LM for 60521@debbugs.gnu.org; Fri, 06 Oct 2023 17:22:46 -0400 Received: from mx1.investici.org (unknown [127.0.0.1]) by confino.investici.org (Postfix) with ESMTP id 4S2Lwx1dLGz114S; Fri, 6 Oct 2023 21:22:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=autistici.org; s=stigmate; t=1696627345; bh=6yjlB6GWLYxIObfQ902WGaY/o4yk220KHFNAQUVaxbA=; h=From:To:Cc:Subject:Date:From; b=XVDw/7uTjViAMnigqHYH/FxLJ8UiZvNLrujg28LxUatTw5K8lGglZpEm6PQClwXlq 5wtt3TqkTLK6PgGWUYwYp6KtOcVWiQB94XndFMMX4IMuYH/xk+mwCut7umHD01mAxA WexC7FlRjvl7UObjRxReY+gMRFXeYP5jiMlANTcQ= Received: from [93.190.126.19] (mx1.investici.org [93.190.126.19]) (Authenticated sender: goodoldpaul@autistici.org) by localhost (Postfix) with ESMTPSA id 4S2Lwx0pszz114D; Fri, 6 Oct 2023 21:22:25 +0000 (UTC) Date: Fri, 6 Oct 2023 23:22:00 +0200 Message-ID: <6455ef24879021f0d1cb1f302d40df1ed5aa4370.1696627320.git.goodoldpaul@autistici.org> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: guix-patches@gnu.org List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Giacomo Leidi X-ACL-Warn: , Giacomo Leidi via Guix-patches From: Giacomo Leidi via Guix-patches via Errors-To: guix-patches-bounces+larch=yhetil.org@gnu.org Sender: guix-patches-bounces+larch=yhetil.org@gnu.org X-Migadu-Country: US X-Migadu-Flow: FLOW_IN X-Migadu-Queue-Id: 7EFCF595D7 X-Spam-Score: -3.74 X-Migadu-Spam-Score: -3.74 X-Migadu-Scanner: mx1.migadu.com X-TUID: DDrpMR0LEP/s * gnu/home/services.scm (dotfiles-for-app): New variable; (home-dotfiles-configuration): new variable; (home-dotfiles-service-type): new variable. * doc/guix.texi: Document it. --- doc/guix.texi | 108 ++++++++++++++++++++++++++++++++++++++++++ gnu/home/services.scm | 79 ++++++++++++++++++++++++++++++ 2 files changed, 187 insertions(+) diff --git a/doc/guix.texi b/doc/guix.texi index 52a573f0d8..56ec1f4d7c 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -43348,6 +43348,114 @@ Essential Home Services read-only home. Feel free to experiment and share your results. @end defvar +It is often the case that Guix Home users already have a setup for versioning +their user configuration files (also known as @emph{dotfiles}) in a single +directory, and some way of automatically deploy changes to their user home. + +The @code{home-dotfiles-service-type} is designed to ease the way into using +Guix Home for this kind of users, allowing them to point the service to their +dotfiles directory, which must follow the layout suggested by +@uref{https://www.gnu.org/software/stow/, GNU Stow}, +and have their dotfiles automatically deployed to their user home, without +migrating them to Guix native configurations. + +The dotfiles directory layout is expected to be structured as follows. Please +keep in mind that it is advisable to keep your dotfiles directories under +version control, for example in the same repository where you'd track your +Guix Home configuration. + +@example +~$ tree -a .dotfiles/ +.dotfiles/ +├── git +│ └── .gitconfig +├── gpg +│ └── .gnupg +│ ├── gpg-agent.conf +│ └── gpg.conf +├── guile +│ └── .guile +├── guix +│ └── .config +│ └── guix +│ └── channels.scm +├── nix +│ ├── .config +│ │ └── nixpkgs +│ │ └── config.nix +│ └── .nix-channels +├── tmux +│ └── .tmux.conf +└── vim + └── .vimrc + +13 directories, 10 files +@end example + +For an informal specification please refer to the Stow manual +(@pxref{Top,,, stow, Introduction}). A suitable configuration would then +be: + +@lisp +(use-modules (guix utils)) + +(home-environment + + [...] + + (services + (service home-dotfiles-service-type + (home-dotfiles-configuration + (directories + (list (string-append (current-source-directory) + "/.dotfiles"))))))) +@end lisp + +The expected home directory state would be: + +@example +. +├── .config +│ ├── guix +│ │ └── channels.scm +│ └── nixpkgs +│ └── config.nix +├── .gitconfig +├── .gnupg +│ ├── gpg-agent.conf +│ └── gpg.conf +├── .guile +├── .nix-channels +├── .tmux.conf +└── .vimrc +@end example + +@defvar home-dotfiles-service-type +Return a service which is very similiar to @code{home-files-service-type} +(and actually extends it), but designed to ease the way into using Guix +Home for users that already track their dotfiles under some kind of version +control. This service allows users to point Guix Home to their dotfiles +directory and have their file automatically deployed to their home directory +just like Stow would, without migrating all of their dotfiles to Guix native +configurations. +@end defvar + +@deftp {Data Type} home-dotfiles-configuration +Available @code{home-dotfiles-configuration} fields are: + +@table @asis +@item @code{directories} (type: list-of-strings) +The list of dotfiles directories where @code{home-dotfiles-service-type} will +look for application dotfiles. + +@item @code{exclude} (default: @code{'(".*~" ".*\\.swp" "\\.gitignore")}) +The list of file patterns @code{home-dotfiles-service-type} will exclude while +visiting @code{directories}. + +@end table + +@end deftp + @defvar home-xdg-configuration-files-service-type The service is very similar to @code{home-files-service-type} (and actually extends it), but used for defining files, which will go to diff --git a/gnu/home/services.scm b/gnu/home/services.scm index 8d53f2f4d3..87c4a95da3 100644 --- a/gnu/home/services.scm +++ b/gnu/home/services.scm @@ -2,6 +2,7 @@ ;;; Copyright © 2021-2023 Andrew Tropin ;;; Copyright © 2021 Xinglu Chen ;;; Copyright © 2022-2023 Ludovic Courtès +;;; Copyright © 2023 Giacomo Leidi ;;; ;;; This file is part of GNU Guix. ;;; @@ -22,6 +23,7 @@ (define-module (gnu home services) #:use-module (gnu services) #:use-module ((gnu packages package-management) #:select (guix)) #:use-module ((gnu packages base) #:select (coreutils)) + #:use-module (guix build utils) #:use-module (guix channels) #:use-module (guix monads) #:use-module (guix store) @@ -34,15 +36,24 @@ (define-module (gnu home services) #:use-module (guix i18n) #:use-module (guix modules) #:use-module (guix memoization) + #:use-module (guix records) #:use-module (srfi srfi-1) #:use-module (srfi srfi-9) + #:use-module (ice-9 ftw) #:use-module (ice-9 match) + #:use-module (ice-9 regex) + #:use-module (ice-9 string-fun) #:use-module (ice-9 vlist) #:export (home-service-type home-profile-service-type home-environment-variables-service-type home-files-service-type + home-dotfiles-service-type + home-dotfiles-configuration + home-dotfiles-configuration? + home-dotfiles-configuration-directories + home-dotfiles-configuration-excluded home-xdg-configuration-files-service-type home-xdg-data-files-service-type home-run-on-first-login-service-type @@ -354,6 +365,74 @@ (define home-files-service-type (description "Files that will be put in @file{~/.guix-home/files}, and further processed during activation."))) +(define %home-dotfiles-excluded + '(".*~" + ".*\\.swp" + "\\.git" + "\\.gitignore")) + +(define-record-type* + home-dotfiles-configuration make-home-dotfiles-configuration + home-dotfiles-configuration? + (directories home-dotfiles-configuration-directories ;list of strings + (default '())) + (excluded home-dotfiles-configuration-excluded ;list of strings + (default %home-dotfiles-excluded))) + +(define* (import-dotfiles directory excluded) + "Return a list of objects compatible with @code{home-files-service-type}'s +value. Each object is a pair where the first element is the relative path +of a file and the second is a gexp representing the file content. Objects are +generated by recursively visiting DIRECTORY and mapping its contents to the +user's home directory, excluding files that match any of the patterns in EXCLUDED." + (define filtered + (find-files directory + (lambda (file stat) + (not (string-match + (string-append + "^.*(" (string-join excluded "|") ")$") file))))) + (define (strip file) + (string-drop file (+ 1 (string-length directory)))) + (define (format file) + (string-append "home-dotfiles-" + (string-replace-substring file "/" "-"))) + + (map (lambda (file) + (let* ((stripped (strip file))) + (list stripped + (local-file file (format stripped))))) + filtered)) + +(define (home-dotfiles-configuration->files config) + "Return a list of objects compatible with @code{home-files-service-type}'s +value, generated following GNU Stow's algorithm for each of the +directories in CONFIG, excluding files that match any of the patterns configured." + (define (directory-contents directories) + (append-map + (lambda (directory) + (map + (lambda (content) + (with-directory-excursion directory + (canonicalize-path content))) + (scandir directory + (lambda (name) + (not (member name '("." ".."))))))) + directories)) + (append-map + (lambda (app) + (import-dotfiles app (home-dotfiles-configuration-excluded config))) + (directory-contents + (home-dotfiles-configuration-directories config)))) + +(define-public home-dotfiles-service-type + (service-type (name 'home-dotfiles) + (extensions + (list (service-extension home-files-service-type + home-dotfiles-configuration->files))) + (default-value (home-dotfiles-configuration)) + (description "Files that will be put in the user's home directory +following GNU Stow's algorithm, and further processed during activation."))) + (define xdg-configuration-files-directory ".config") (define (xdg-configuration-files files) base-commit: add2a22ad7bcca2521432e3f486460138401d5a5 -- 2.41.0