summaryrefslogtreecommitdiff
path: root/bin/cuirass.in
blob: 8eaf8422fd934007b6f65ac136e20af59079a757 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
#!/bin/sh
# -*- scheme -*-
exec ${GUILE:-@GUILE@} --no-auto-compile -e main -s "$0" "$@"
!#
;;;; cuirass - continuous integration system
;;;
;;; Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
;;;
;;; This file is part of Cuirass.
;;;
;;; Cuirass 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.
;;;
;;; Cuirass 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 Cuirass.  If not, see <http://www.gnu.org/licenses/>.

(use-modules (cuirass base)
             (cuirass job)
             (cuirass ui)
             (ice-9 getopt-long)
             (ice-9 match))

(define* (show-help prog)
  (simple-format #t "Usage: ~a [OPTIONS] [CACHEDIR]" prog)
  (display "
Run Guix job from a git repository cloned in CACHEDIR.

  -f  --use-file=FILE       Use FILE which defines the job to evaluate.
  -I, --interval=N          Wait N seconds between each evaluation
  -V, --version             Display version
  -h, --help                Display this help message")
  (newline)
  (show-package-information))

(define %options
  `((file     (single-char #\f) (value #t))
    (interval (single-char #\I) (value #t))
    (version  (single-char #\V) (value #f))
    (help     (single-char #\h) (value #f))))

(define %guix-repository
  (make-parameter "git://git.savannah.gnu.org/guix.git"))

(define* (pull-changes dir)
  "Get the latest version of Guix repository.  Clone repository in directory
DIR if required."
  (or (file-exists? dir) (mkdir dir))
  (with-directory-excursion dir
    (let ((guixdir "guix"))
      (or (file-exists? guixdir)
          (system* "git" "clone" (%guix-repository) guixdir))
      (with-directory-excursion guixdir
        (and (zero? (system* "git" "fetch")) ;no 'git pull' to avoid merges
             (zero? (system* "git" "reset" "--hard" "origin/master")))))))

(define (compile dir)
  "Compile files in Guix cloned repository in directory DIR."
  (with-directory-excursion (string-append dir "/guix")
    (or (file-exists? "configure") (system* "./bootstrap"))
    (or (file-exists? "Makefile")
        (system* "./configure" "--localstatedir=/var"))
    (zero? (system* "make" "-j" (number->string (current-processor-count))))))

(define %user-module
  ;; Cuirass user module.
  (let ((m (make-module)))
    (beautify-user-module! m)
    m))

(define (build-packages store jobs)
  "Build JOBS which is a list of <job> objects."
  (map (match-lambda
         (($ <job> name drv)
          (format #t "building ~A => ~A~%" name drv)
          ((guix-variable 'derivations 'build-derivations) store (list drv))))
       jobs))

(define (evaluate store dir spec)
  "Evaluate and build package derivations in directory DIR."
  (save-module-excursion
   (lambda ()
     (set-current-module %user-module)
     (let ((guixdir (string-append dir "/guix")))
       (format #t "prepending ~s to the load path~%" guixdir)
       (set! %load-path (cons guixdir %load-path)))
     (primitive-load spec)))
  (let ((job-specs ((module-ref %user-module 'hydra-jobs) store '())))
    (map (match-lambda
           (($ <job-spec> name thunk metadata)
            (format (current-error-port) "evaluating '~a'... " name)
            (force-output (current-error-port))
            (make-job name (call-with-time-display thunk) metadata)))
         job-specs)))


;;;
;;; Entry point.
;;;

(define* (main #:optional (args (command-line)))
  (let ((opts     (getopt-long args %options))
        (progname "cuirass"))
    (cond
     ((option-ref opts 'help #f)
      (show-help progname)
      (exit 0))
     ((option-ref opts 'version #f)
      (show-version progname)
      (exit 0))
     (else
      (let* ((store    ((guix-variable 'store 'open-connection)))
             (jobfile  (option-ref opts 'file "tests/gnu-system.scm"))
             (args     (option-ref opts '() #f))
             (cachedir (if (null? args)
                           (getenv "CUIRASS_CACHEDIR")
                           (car args))))
        (dynamic-wind
          (const #t)
          (lambda ()
            (while #t
              (pull-changes cachedir)
              (compile cachedir)
              (let ((jobs (evaluate store cachedir jobfile)))
                ((guix-variable 'store 'set-build-options) store
                 #:use-substitutes? #f)
                (build-packages store jobs))
              (sleep (string->number (option-ref opts 'interval "60")))))
          (lambda ()
            ((guix-variable 'store 'close-connection) store))))))))