Add (guix status) and use it for pretty colored output.

* guix/progress.scm (progress-reporter/trace): New procedure.
(%progress-interval): New variable.
(progress-reporter/file): Use it.
* guix/scripts/build.scm (set-build-options-from-command-line): Pass
 #:print-extended-build-trace?.
(%default-options): Add 'print-extended-build-trace?'.
(guix-build): Parameterize CURRENT-TERMINAL-COLUMNS.  Use
'build-status-updater'.
* guix/scripts/environment.scm (%default-options): Add
'print-extended-build-trace?'.
(guix-environment): Wrap body in 'with-status-report'.
* guix/scripts/pack.scm (%default-options): Add 'print-build-trace?' and
'print-extended-build-trace?'.
(guix-pack): Wrap body in 'with-status-report'.
* guix/scripts/package.scm (%default-options, guix-package): Likewise.
* guix/scripts/system.scm (%default-options, guix-system): Likewise.
* guix/scripts/pull.scm (%default-options, guix-pull): Likewise.
* guix/scripts/substitute.scm (progress-report-port): Don't call STOP
when TOTAL is zero.
(process-substitution): Add #:print-build-trace? and honor it.
(guix-substitute)[print-build-trace?]: New variable.
Pass #:print-build-trace? to 'process-substitution'.
* guix/status.scm: New file.
* guix/store.scm (set-build-options): Add #:print-extended-build-trace?;
pass it into PAIRS.
(%protocol-version): Bump.
(protocol-version, nix-server-version): New procedures.
(current-store-protocol-version): New variable.
(with-store, build-things): Parameterize it.
* guix/ui.scm (build-output-port): Remove.
(colorize-string): Export.
* po/guix/POTFILES.in: Add guix/status.scm.
* tests/status.scm: New file.
* Makefile.am (SCM_TESTS): Add it.
* nix/libstore/worker-protocol.hh (PROTOCOL_VERSION): Bump to 0x162.
* nix/libstore/build.cc (DerivationGoal::registerOutputs)
(SubstitutionGoal::finished): Print a "@ hash-mismatch" trace before
throwing.

1 files changed, 115 insertions, 0 deletions

diff --git a/tests/status.scm b/tests/status.scm
new file mode 100644
index 0000000000..04dedb702c
--- /dev/null
+++ b/tests/status.scm
@@ -0,0 +1,115 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2018 Ludovic Courtès <ludo@gnu.org>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix 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.
+;;;
+;;; GNU Guix 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 GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (test-status)
+  #:use-module (guix status)
+  #:use-module (srfi srfi-1)
+  #:use-module (srfi srfi-11)
+  #:use-module (srfi srfi-64))
+
+(test-begin "status")
+
+(test-equal "compute-status, no-op"
+  (build-status)
+  (let-values (((port get-status)
+                (build-event-output-port compute-status)))
+    (display "foo\nbar\n\baz\n" port)
+    (get-status)))
+
+(test-equal "compute-status, builds + substitutes"
+  (list (build-status
+         (building '("foo.drv"))
+         (downloading (list (download "bar" "http://example.org/bar"
+                                      #:size 500
+                                      #:start 'now))))
+        (build-status
+         (building '("foo.drv"))
+         (downloading (list (download "bar" "http://example.org/bar"
+                                      #:size 500
+                                      #:transferred 42
+                                      #:start 'now))))
+        (build-status
+         (builds-completed '("foo.drv"))
+         (downloads-completed (list (download "bar" "http://example.org/bar"
+                                              #:size 500
+                                              #:transferred 500
+                                              #:start 'now
+                                              #:end 'now)))))
+  (let-values (((port get-status)
+                (build-event-output-port (lambda (event status)
+                                           (compute-status event status
+                                                           #:current-time
+                                                           (const 'now))))))
+    (display "@ build-started foo.drv\n" port)
+    (display "@ substituter-started bar\n" port)
+    (display "@ download-started bar http://example.org/bar 500\n" port)
+    (display "various\nthings\nget\nwritten\n" port)
+    (let ((first (get-status)))
+      (display "@ download-progress bar http://example.org/bar 500 42\n"
+               port)
+      (let ((second (get-status)))
+        (display "@ download-progress bar http://example.org/bar 500 84\n"
+                 port)
+        (display "@ build-succeeded foo.drv\n" port)
+        (display "@ download-succeeded bar http://example.org/bar 500\n" port)
+        (display "Almost done!\n" port)
+        (display "@ substituter-succeeded bar\n" port)
+        (list first second (get-status))))))
+
+(test-equal "compute-status, missing events"
+  (list (build-status
+         (building '("foo.drv"))
+         (downloading (list (download "baz" "http://example.org/baz"
+                                      #:size 500
+                                      #:transferred 42
+                                      #:start 'now)
+                            (download "bar" "http://example.org/bar"
+                                      #:size 999
+                                      #:transferred 0
+                                      #:start 'now))))
+        (build-status
+         (builds-completed '("foo.drv"))
+         (downloads-completed (list (download "baz" "http://example.org/baz"
+                                              #:size 500
+                                              #:transferred 500
+                                              #:start 'now
+                                              #:end 'now)
+                                    (download "bar" "http://example.org/bar"
+                                              #:size 999
+                                              #:transferred 999
+                                              #:start 'now
+                                              #:end 'now)))))
+  ;; Below we omit 'substituter-started' events and the like.
+  (let-values (((port get-status)
+                (build-event-output-port (lambda (event status)
+                                           (compute-status event status
+                                                           #:current-time
+                                                           (const 'now))))))
+    (display "@ build-started foo.drv\n" port)
+    (display "@ download-started bar http://example.org/bar 999\n" port)
+    (display "various\nthings\nget\nwritten\n" port)
+    (display "@ download-progress baz http://example.org/baz 500 42\n"
+             port)
+    (let ((first (get-status)))
+      (display "@ build-succeeded foo.drv\n" port)
+      (display "@ download-succeeded bar http://example.org/bar 999\n" port)
+      (display "Almost done!\n" port)
+      (display "@ substituter-succeeded baz\n" port)
+      (list first (get-status)))))
+
+(test-end "status")