gnu: emacs-w3m: Add source file-name.
[jackhill/guix/guix.git] / gnu / installer.scm
index 134fa2f..5cd1af8 100644 (file)
@@ -1,6 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2018, 2020 Mathieu Othacehe <m.othacehe@gmail.com>
-;;; Copyright © 2019, 2020 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2019, 2020, 2022 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2020 Florian Pelz <pelzflorian@pelzflorian.de>
 ;;;
@@ -43,6 +43,7 @@
   #:autoload   (gnu packages gnupg) (guile-gcrypt)
   #:use-module (gnu packages iso-codes)
   #:use-module (gnu packages linux)
+  #:use-module (gnu packages nano)
   #:use-module (gnu packages ncurses)
   #:use-module (gnu packages package-management)
   #:use-module (gnu packages tls)
@@ -62,6 +63,7 @@
     (('gnu 'installer _ ...) #t)
     (('gnu 'build _ ...) #t)
     (('guix 'build _ ...) #t)
+    (('guix 'read-print) #t)
     (_ #f)))
 
 (define not-config?
@@ -334,8 +336,8 @@ selected keymap."
                        ntfs-3g ;mkfs.ntfs
                        xfsprogs ;mkfs.xfs
                        kbd ;chvt
-                       guix ;guix system init call
                        util-linux ;mkwap
+                       nano
                        shadow
                        tar ;dump
                        gzip ;dump
@@ -384,7 +386,14 @@ selected keymap."
                          (guix build utils)
                          ((system repl debug)
                           #:select (terminal-width))
-                         (ice-9 match))
+                         (ice-9 match)
+                         (ice-9 textual-ports))
+
+            ;; Enable core dump generation.
+            (setrlimit 'core #f #f)
+            (call-with-output-file "/proc/sys/kernel/core_pattern"
+              (lambda (port)
+                (format port %core-dump)))
 
             ;; Initialize gettext support so that installers can use
             ;; (guix i18n) module.
@@ -414,48 +423,64 @@ selected keymap."
 
             (define current-installer newt-installer)
             (define steps (#$steps current-installer))
-            ((installer-init current-installer))
 
-            (catch #t
+            (dynamic-wind
+              (installer-init current-installer)
               (lambda ()
-                (define results
-                  (run-installer-steps
-                   #:rewind-strategy 'menu
-                   #:menu-proc (installer-menu-page current-installer)
-                   #:steps steps))
-
-                (match (result-step results 'final)
-                  ('success
-                   ;; We did it!  Let's reboot!
-                   (sync)
-                   (stop-service 'root))
-                  (_
-                   ;; The installation failed, exit so that it is restarted
-                   ;; by login.
-                   #f)))
-              (const #f)
-              (lambda (key . args)
-                (syslog "crashing due to uncaught exception: ~s ~s~%"
-                        key args)
-                (let ((error-file "/tmp/last-installer-error")
-                      (dump-archive "/tmp/dump.tgz"))
-                  (call-with-output-file error-file
-                    (lambda (port)
-                      (display-backtrace (make-stack #t) port)
-                      (print-exception port
-                                       (stack-ref (make-stack #t) 1)
-                                       key args)))
-                  (make-dump dump-archive
-                             #:result %current-result
-                             #:backtrace error-file)
-                  (let ((report
-                         ((installer-dump-page current-installer)
-                          dump-archive)))
-                    ((installer-exit-error current-installer)
-                     error-file report key args)))
-                (primitive-exit 1)))
-
-            ((installer-exit current-installer))))))
+                (parameterize
+                    ((run-command-in-installer
+                      (installer-run-command current-installer)))
+                  (catch #t
+                    (lambda ()
+                      (define results
+                        (run-installer-steps
+                         #:rewind-strategy 'menu
+                         #:menu-proc (installer-menu-page current-installer)
+                         #:steps steps))
+
+                      (match (result-step results 'final)
+                        ('success
+                         ;; We did it!  Let's reboot!
+                         (sync)
+                         (stop-service 'root))
+                        (_
+                         ;; The installation failed, exit so that it is
+                         ;; restarted by login.
+                         #f)))
+                    (const #f)
+                    (lambda (key . args)
+                      (installer-log-line "crashing due to uncaught exception: ~s ~s"
+                                          key args)
+                      (define dump-dir
+                        (prepare-dump key args #:result %current-result))
+
+                      (define user-abort?
+                        (match args
+                          (((? user-abort-error? obj)) #t)
+                          (_ #f)))
+
+                      (define action
+                        (if user-abort?
+                            'dump
+                            ((installer-exit-error current-installer)
+                             (get-string-all
+                              (open-input-file
+                               (string-append dump-dir
+                                              "/installer-backtrace"))))))
+
+                      (match action
+                        ('dump
+                         (let* ((dump-files
+                                 ((installer-dump-page current-installer)
+                                  dump-dir))
+                                (dump-archive
+                                 (make-dump dump-dir dump-files)))
+                           ((installer-report-page current-installer)
+                            dump-archive)))
+                        (_ #f))
+                      (exit 1)))))
+
+              (installer-exit current-installer))))))
 
   (program-file
    "installer"