GNU bug report logs -
#27654
[PATCH] base: Report evaluation error.
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Reported by: Mathieu Othacehe <m.othacehe <at> gmail.com>
Date: Tue, 11 Jul 2017 17:19:02 UTC
Severity: normal
Tags: patch
Done: Mathieu Othacehe <m.othacehe <at> gmail.com>
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(Tue, 11 Jul 2017 17:19:02 GMT)
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(Tue, 11 Jul 2017 17:19:02 GMT)
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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
* src/cuirass/base.scm (evaluate): Report an error in eof-object? is true on
data read from port. Otherwise, suppose that data are correct and keep thins
going.
---
src/cuirass/base.scm | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/cuirass/base.scm b/src/cuirass/base.scm
index f5f80b3..5e0cb0d 100644
--- a/src/cuirass/base.scm
+++ b/src/cuirass/base.scm
@@ -136,7 +136,13 @@ directory and the sha1 of the top level commit in this directory."
(%package-cachedir)
(object->string spec)
(%package-database)))
- (jobs (read port)))
+ (jobs (match (read port)
+ ;; If an error occured during evaluation report it,
+ ;; otherwise, suppose that data read from port are
+ ;; correct and keep things going.
+ ((? eof-object?)
+ (error "Could not evaluate specifications.\n"))
+ (data data))))
(close-pipe port)
jobs))
--
2.13.1
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(Wed, 12 Jul 2017 12:16:02 GMT)
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Message #8 received at 27654 <at> debbugs.gnu.org (full text, mbox):
Howdy!
Mathieu Othacehe <m.othacehe <at> gmail.com> skribis:
> * src/cuirass/base.scm (evaluate): Report an error in eof-object? is true on
> data read from port. Otherwise, suppose that data are correct and keep thins
> going.
> ---
> src/cuirass/base.scm | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/src/cuirass/base.scm b/src/cuirass/base.scm
> index f5f80b3..5e0cb0d 100644
> --- a/src/cuirass/base.scm
> +++ b/src/cuirass/base.scm
> @@ -136,7 +136,13 @@ directory and the sha1 of the top level commit in this directory."
> (%package-cachedir)
> (object->string spec)
> (%package-database)))
> - (jobs (read port)))
> + (jobs (match (read port)
> + ;; If an error occured during evaluation report it,
> + ;; otherwise, suppose that data read from port are
> + ;; correct and keep things going.
> + ((? eof-object?)
> + (error "Could not evaluate specifications.\n"))
> + (data data))))
While we’re at it, let’s avoid ‘error’ altogether (‘error’ raises a
‘misc-error’ exception, which is not very helpful.)
What about declaring a specific SRFI-35 error condition type for
evaluation errors, and then raising it (with SRFI-34) here? (If you’re
not familiar with SRFI-3[45], there are examples of it in the (guix *)
modules.)
Thanks,
Ludo’.
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(Wed, 12 Jul 2017 16:33:02 GMT)
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Message #11 received at 27654 <at> debbugs.gnu.org (full text, mbox):
[Message part 1 (text/plain, inline)]
Hi Ludo,
> While we’re at it, let’s avoid ‘error’ altogether (‘error’ raises a
> ‘misc-error’ exception, which is not very helpful.)
Ok, would the attached patch be ok ?
Thanks,
Mathieu
[0001-base-Report-evaluation-error.patch (text/x-diff, inline)]
From c9a3325c1c021564edc689ff2421b04c9e794052 Mon Sep 17 00:00:00 2001
From: Mathieu Othacehe <m.othacehe <at> gmail.com>
Date: Tue, 11 Jul 2017 19:15:08 +0200
Subject: [PATCH] base: Report evaluation error.
* src/cuirass/base.scm (evaluate): Report an error if eof-object? is true on
data read from port. Otherwise, suppose that data are correct and keep thins
going.
---
src/cuirass/base.scm | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/src/cuirass/base.scm b/src/cuirass/base.scm
index 326a530..3506916 100644
--- a/src/cuirass/base.scm
+++ b/src/cuirass/base.scm
@@ -32,6 +32,7 @@
#:use-module (ice-9 receive)
#:use-module (srfi srfi-19)
#:use-module (srfi srfi-34)
+ #:use-module (srfi srfi-35)
#:export (;; Procedures.
call-with-time-display
fetch-repository
@@ -137,6 +138,10 @@ directory and the sha1 of the top level commit in this directory."
(system* "./configure" "--localstatedir=/var"))
(zero? (system* "make" "-j" (number->string (current-processor-count))))))
+(define-condition-type &evaluation-error &error
+ evaluation-error?
+ (name evaluation-error-spec-name))
+
(define (evaluate store db spec)
"Evaluate and build package derivations. Return a list of jobs."
(let* ((port (open-pipe* OPEN_READ
@@ -148,7 +153,15 @@ directory and the sha1 of the top level commit in this directory."
(%package-cachedir)
(object->string spec)
(%package-database)))
- (jobs (read port)))
+ (jobs (match (read port)
+ ;; If an error occured during evaluation report it,
+ ;; otherwise, suppose that data read from port are
+ ;; correct and keep things going.
+ ((? eof-object?)
+ (raise (condition
+ (&evaluation-error
+ (name (assq-ref spec #:name))))))
+ (data data))))
(close-pipe port)
jobs))
--
2.13.2
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(Wed, 12 Jul 2017 20:55:01 GMT)
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Message #14 received at 27654 <at> debbugs.gnu.org (full text, mbox):
[Message part 1 (text/plain, inline)]
Mathieu Othacehe <m.othacehe <at> gmail.com> skribis:
> From c9a3325c1c021564edc689ff2421b04c9e794052 Mon Sep 17 00:00:00 2001
> From: Mathieu Othacehe <m.othacehe <at> gmail.com>
> Date: Tue, 11 Jul 2017 19:15:08 +0200
> Subject: [PATCH] base: Report evaluation error.
>
> * src/cuirass/base.scm (evaluate): Report an error if eof-object? is true on
> data read from port. Otherwise, suppose that data are correct and keep thins
> going.
Please mention the new ‘&evaluation-error’ in here.
BTW, shouldn’t ‘process-specs’ protect against it, so that Cuirass
doesn’t stop as soon as it encounters an evaluation error? Like:
[Message part 2 (text/x-patch, inline)]
diff --git a/src/cuirass/base.scm b/src/cuirass/base.scm
index fc3cc1a..3d19bda 100644
--- a/src/cuirass/base.scm
+++ b/src/cuirass/base.scm
@@ -185,9 +185,12 @@ if required. Return the last commit ID on success, #f otherwise."
#:use-substitutes? (%use-substitutes?)
#:keep-going? #t)
+ (guard (c ((evaluation-error? c)
+ ;; Report the problem in the log...
+ #f))
(let* ((spec* (acons #:current-commit commit spec))
(jobs (evaluate store db spec*)))
- (build-packages store db jobs))))
+ (build-packages store db jobs)))))
(db-add-stamp db spec commit))))
(for-each process jobspecs))
[Message part 3 (text/plain, inline)]
OK with something along these lines, thanks!
Ludo’.
Reply sent
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Mathieu Othacehe <m.othacehe <at> gmail.com>
:
You have taken responsibility.
(Sun, 30 Jul 2017 10:48:02 GMT)
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Notification sent
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Mathieu Othacehe <m.othacehe <at> gmail.com>
:
bug acknowledged by developer.
(Sun, 30 Jul 2017 10:48:02 GMT)
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Message #19 received at 27654-done <at> debbugs.gnu.org (full text, mbox):
Hi Ludo,
> OK with something along these lines, thanks!
Done and pushed, thanks !
Mathieu
bug archived.
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(Sun, 27 Aug 2017 11:24:04 GMT)
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This bug report was last modified 6 years and 237 days ago.
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