/usr/share/gnucash/scm/migrate-prefs.scm is in gnucash-common 1:2.6.12-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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;;; migrate-prefs.scm
;;; Functions used to migrated user preferences from gconf
;;; to gsettings. Note that this module doesn't perform the
;;; migration itself: it merely prepares the environment to
;;; create the actual migration script.
;;;
;;; Copyright 2013 Geert Janssens <geert@kobaltwit.be>
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; published by the Free Software Foundation; either version 2 of
;; the License, or (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program; if not, contact:
;;
;; Free Software Foundation Voice: +1-617-542-5942
;; 51 Franklin Street, Fifth Floor Fax: +1-617-542-2652
;; Boston, MA 02110-1301, USA gnu@gnu.org
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define-module (migrate-prefs))
(use-modules (gnucash main))
(define gconf-dir "")
(define prefix-length 0)
(define migration-dir "")
(define (copy-one-file filename)
(let ((stats (stat filename))
(base-name "")
(slash-index 0)
(dest-name ""))
(gnc:debug "Processing file... " filename)
(if (eq? (stat:type stats) 'regular)
(begin
(set! base-name (string-drop filename prefix-length))
(set! slash-index (- (string-rindex base-name #\%) 1))
(if (> slash-index 0)
(begin
(set! dest-name (string-take base-name (- (string-rindex base-name #\%) 1)))
(set! dest-name (string-join (string-split dest-name #\/) "-"))
(set! dest-name (string-append migration-dir "/" dest-name ".xml"))
(gnc:debug "Copying " base-name " -> " dest-name)
(copy-file filename dest-name)
))))
(if (eq? (stat:type stats) 'directory)
(apply find copy-one-file (list filename))
)))
(define (directory-files dir)
(if (not (access? dir R_OK))
'()
(let* ((p (opendir dir))
(filelist (do ((file (readdir p) (readdir p))
(ls '()))
((eof-object? file) (closedir p) (reverse! ls))
(if (not (string-suffix? "." file))
(set! ls (cons file ls)))
)))
(sort filelist string<))))
(define (find proc . dirs)
(cond ((pair? dirs)
(for-each proc (map (lambda (x) (string-append (car dirs) "/" x))
(directory-files (car dirs)))))))
(define (finddepth proc . dirs)
(cond ((pair? dirs)
(apply finddepth proc (cdr dirs))
(for-each proc (map (lambda (x) (string-append (car dirs) "/" x))
(directory-files (car dirs)))))))
(define (migration-prepare-internal)
; cleanup first if a previous migration attempt failed to do so
(if (access? migration-dir (logior R_OK W_OK X_OK))
(begin
(gnc:msg "Clear previous migration tmp dir " migration-dir)
(migration-cleanup-internal)))
(gnc:warn "*** GnuCash switched to a new preferences system ***")
(gnc:warn "Attempt to migrate your preferences from the old to the new system")
(mkdir migration-dir)
(gnc:msg "Copy all gconf files to tmp dir " migration-dir)
(apply find copy-one-file (list gconf-dir))
; Indicate successful preparation
#t
)
(define (migration-prepare base-dir)
(set! gconf-dir (string-append base-dir "/.gconf/apps/gnucash"))
; Note: calling script should already have checked whether
; gconf-dir and its parent directories exist
(set! prefix-length (+ (string-length gconf-dir) 1))
(set! migration-dir (string-append base-dir "/.gnc-migration-tmp"))
(catch #t
migration-prepare-internal
(lambda (key . args)
(gnc:error "An error occurred while preparing to migrate preferences.")
(gnc:error "The error is: "
(symbol->string key) " - " (car (caddr args)) ".")
#f))
)
(define (rmtree args)
(define (zap f)
(let ((rm (if (eq? (stat:type (stat f)) 'directory) rmdir delete-file)))
(gnc:debug "deleting " f)
(catch #t
(lambda () (rm f))
(lambda args (format #t "couldn't delete ~A\n" f)))))
(apply finddepth zap args))
(define (migration-cleanup-internal)
(rmtree (list migration-dir))
(rmdir migration-dir)
; Indicate successful cleanup
#t)
(define (migration-cleanup base-dir)
(set! migration-dir (string-append base-dir "/.gnc-migration-tmp"))
(if (access? migration-dir (logior R_OK W_OK X_OK))
(begin
(gnc:msg "Delete tmp dir " migration-dir)
(catch #t
migration-cleanup-internal
(lambda (key . args)
(gnc:error "An error occurred while cleaning up after preferences migration.")
(gnc:error "The error is: "
(symbol->string key) " - " (car (caddr args)) ".")
#f))))
)
(export migration-prepare migration-cleanup)
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