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07/09: home: symlink-manager: Respect XDG_CONFIG_HOME during activation.


From: guix-commits
Subject: 07/09: home: symlink-manager: Respect XDG_CONFIG_HOME during activation.
Date: Sun, 20 Mar 2022 14:06:51 -0400 (EDT)

civodul pushed a commit to branch master
in repository guix.

commit 92c23970709bc58c33b99ab9449eaf67ac5a0694
Author: Andrew Tropin <andrew@trop.in>
AuthorDate: Fri Mar 11 10:12:30 2022 +0300

    home: symlink-manager: Respect XDG_CONFIG_HOME during activation.
    
    * gnu/home/services/symlink-manager.scm (update-symlinks-script): Respect
    XDG_CONFIG_HOME during activation.
    
    Signed-off-by: Ludovic Court├Ęs <ludo@gnu.org>
---
 gnu/home/services/symlink-manager.scm | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/gnu/home/services/symlink-manager.scm 
b/gnu/home/services/symlink-manager.scm
index 16031ea5d3..3b851229f3 100644
--- a/gnu/home/services/symlink-manager.scm
+++ b/gnu/home/services/symlink-manager.scm
@@ -50,14 +50,29 @@
          (define home-directory
            (getenv "HOME"))
 
+         (define xdg-config-home
+           (or (getenv "XDG_CONFIG_HOME")
+               (string-append (getenv "HOME") "/.config")))
+
          (define backup-directory
            (string-append home-directory "/" (number->string (current-time))
                           "-guix-home-legacy-configs-backup"))
 
+         (define (preprocess-file file)
+           "If file is in XDG-CONFIGURATION-FILES-DIRECTORY use
+subdirectory from XDG_CONFIG_HOME to generate a target path."
+           (if (string-prefix? #$xdg-configuration-files-directory file)
+               (string-append
+                (substring xdg-config-home
+                           (1+ (string-length home-directory)))
+                (substring file
+                           (string-length 
#$xdg-configuration-files-directory)))
+               (string-append "." file)))
+
          (define (target-file file)
            ;; Return the target of FILE, a config file name sans leading dot
            ;; such as "config/fontconfig/fonts.conf" or "bashrc".
-           (string-append home-directory "/." file))
+           (string-append home-directory "/" (preprocess-file file)))
 
          (define (symlink-to-store? file)
            (catch 'system-error
@@ -70,7 +85,7 @@
 
          (define (backup-file file)
            (define backup
-             (string-append backup-directory "/." file))
+             (string-append backup-directory "/" (preprocess-file file)))
 
            (mkdir-p backup-directory)
            (format #t (G_ "Backing up ~a...") (target-file file))



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