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;; -*- coding: utf-8; -*-
;; gitto -- Keep track of your git repositories
;; Copyright (C) 2012 Tom Willemsen <tom at ryuslash dot org>
;; This file is part of gitto.
;; gitto 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 3 of the License, or
;; (at your option) any later version.
;; gitto 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 gitto. If not, see <http://www.gnu.org/licenses/>.
(define-module (gitto config)
#:use-module (ice-9 rdelim)
#:export (read-config write-config))
(define (parse-setting line)
(let ((idx (string-index line #\=)))
(list (cons (string-trim-both (substring line 0 idx))
(string-trim-both (substring line (1+ idx)))))))
(define (read-config repo-location)
(let ((port (open-input-file
(string-append repo-location "/.git/config")))
(config '())
(current-section #f)
(assign-pos #f))
(do ((line (read-line port) (read-line port)))
((eof-object? line))
(cond ((string= line "[" 0 1)
(let ((section (cons (string-trim-both
line (char-set #\[ #\])) '())))
(set! config (append config (list section)))
(set! current-section section)))
((string-contains line "=")
(set-cdr! current-section
(append (cdr current-section)
(parse-setting line))))))
(close-port port)
config))
(define* (write-config config #:optional (file #f))
(let ((thunk (lambda () (for-each write-section config))))
(if file
(with-output-to-file file thunk)
(thunk))))
(define (write-section section)
(format #t "[~a]~%" (car section))
(for-each write-setting (cdr section)))
(define (write-setting setting)
(format #t "~8t~a = ~a~%" (car setting) (cdr setting)))
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