GNU bug report logs - #26949
(guix build union) fails when stumbling upon a dangling symlink

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: ludo <at> gnu.org (Ludovic Courtès)
Cc: tracker <at> debbugs.gnu.org
Subject: bug#26949: closed ((guix build union) fails when stumbling upon a
 dangling symlink)
Date: Thu, 18 May 2017 09:44:02 +0000

[Message part 1 (text/plain, inline)]

Your message dated Thu, 18 May 2017 11:43:31 +0200
with message-id <87tw4i8pq4.fsf <at> gnu.org>
and subject line Re: bug#26949: Python path conflict
has caused the debbugs.gnu.org bug report #26949,
regarding (guix build union) fails when stumbling upon a dangling symlink
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


-- 
26949: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=26949
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Pjotr Prins <pjotr.public12 <at> thebird.nl>
To: bug-guix <at> gnu.org
Subject: Python path conflict
Date: Tue, 16 May 2017 12:00:08 +0200

Note that I do most of my buiding with --no-grafts.

Not sure they are related:

Using the Guix tree from source 4a3495d57c08dff9287fe559482a6d2009109304

  ./pre-inst-env guix package -i python <at> 2.7.13 

renders

Backtrace:
In ice-9/eval.scm:
 432: 19 [eval # #]
In ice-9/boot-9.scm:
2412: 18 [save-module-excursion #<procedure 1f8e900 at ice-9/boot-9.scm:4084:3 ()>]
4089: 17 [#<procedure 1f8e900 at ice-9/boot-9.scm:4084:3 ()>]
1734: 16 [%start-stack load-stack ...]
1739: 15 [#<procedure 1fa0b70 ()>]
In unknown file:
   ?: 14 [primitive-load "/gnu/export/local/home/wrk/izip/git/opensource/genenetwork/gn-latest-guix/scripts/guix"]
In guix/ui.scm:
1257: 13 [run-guix-command package "-i" "python <at> 2.7.13"]
In ice-9/boot-9.scm:
 160: 12 [catch srfi-34 #<procedure 2984020 at guix/ui.scm:442:2 ()> ...]
 160: 11 [catch system-error ...]
In guix/scripts/package.scm:
 898: 10 [#<procedure 2984080 at guix/scripts/package.scm:886:4 ()>]
 865: 9 [process-actions #<build-daemon 256.97 29acb80> (# # # # ...)]
In guix/ui.scm:
 713: 8 [show-manifest-transaction # # # ...]
In srfi/srfi-1.scm:
 598: 7 [map #<procedure upgrade-string (name old-version new-version output item)> ...]
In guix/ui.scm:
 689: 6 [upgrade-string "python" "3.5.2" ...]
In guix/packages.scm:
1174: 5 [package-output # # "out" ...]
 817: 4 [cache! #<weak-key-hash-table 2844460 352/443> # # ...]
In guix/grafts.scm:
 312: 3 [graft-derivation # # # ...]
 267: 2 [#<procedure 52d30a0 at guix/grafts.scm:267:2 (state)> #<vlist ()>]
 272: 1 [#<procedure 5ae7c60 at guix/grafts.scm:267:2 (t-1b71430ac-17aa)> #]
In unknown file:
   ?: 0 [# # #<procedure dependency-grafts (item)> #]

ERROR: In procedure #<syntax-transformer mapm>:
ERROR: Wrong type to apply: #<syntax-transformer mapm>

and

  ./pre-inst-env guix package --no-grafts -i python <at> 2.7.13

renders

The following package will be downgraded:
   python	3.5.2 -> 2.7.13	/gnu/store/q5kdj7gpawi94pqd15x3wizjq0nx4zhx-python-2.7.13

The following derivation will be built:
   /gnu/store/hrl55dd3m9v8jqwf3jn5g0j36ix5n1n5-profile.drv
warning: collision encountered: /gnu/store/36nzwbcn09kd72aywi4idpasrlnpcphy-gdk-pixbuf+svg-2.34.0/share/gir-1.0/GdkPixbuf-2.0.gir /gnu/store/8mv63hjx5ba8f1mgqb7hkx6xmlfamaxp-gdk-pixbuf-2.32.3/share/gir-1.0/GdkPixbuf-2.0.gir 
warning: arbitrarily choosing /gnu/store/36nzwbcn09kd72aywi4idpasrlnpcphy-gdk-pixbuf+svg-2.34.0/share/gir-1.0/GdkPixbuf-2.0.gir
(...)
warning: collision encountered: /gnu/store/dag4djb807a57vb7s9kkj04bz7v4c3ji-mysql-5.7.13/share/man/man1/mysqltest.1.gz /gnu/store/vdvwj57w1rnay7khvi0c4wp05f35gqcl-mysql-5.6.25/share/man/man1/mysqltest.1.gz 
warning: arbitrarily choosing /gnu/store/dag4djb807a57vb7s9kkj04bz7v4c3ji-mysql-5.7.13/share/man/man1/mysqltest.1.gz
Backtrace:
In ice-9/boot-9.scm:
 160: 17 [catch #t #<catch-closure 8c2080> ...]
In unknown file:
   ?: 16 [apply-smob/1 #<catch-closure 8c2080>]
In ice-9/boot-9.scm:
  66: 15 [call-with-prompt prompt0 ...]
In ice-9/eval.scm:
 432: 14 [eval # #]
In ice-9/boot-9.scm:
2412: 13 [save-module-excursion #<procedure 8e67c0 at ice-9/boot-9.scm:4084:3 ()>]
4089: 12 [#<procedure 8e67c0 at ice-9/boot-9.scm:4084:3 ()>]
1734: 11 [%start-stack load-stack #<procedure 8f6de0 at ice-9/boot-9.scm:4080:10 ()>]
1739: 10 [#<procedure 8f86c0 ()>]
In unknown file:
   ?: 9 [primitive-load "/gnu/store/jcgmg7mnfzqhnwf8svrydcv67z13fpdb-profile-builder"]
In ./guix/build/profiles.scm:
 137: 8 [build-profile "/gnu/store/b5rq0sl2jsqpqjxkhi68dy3racz1wfpv-profile" # ...]
In unknown file:
   ?: 7 [hash-for-each #<procedure d5b150 at ./guix/build/union.scm:150:21 (file dirs-with-file)> ...]
   ?: 6 [hash-for-each #<procedure d4b120 at ./guix/build/union.scm:150:21 (file dirs-with-file)> ...]
   ?: 5 [hash-for-each #<procedure e25450 at ./guix/build/union.scm:150:21 (file dirs-with-file)> ...]
   ?: 4 [hash-for-each #<procedure ec02a0 at ./guix/build/union.scm:150:21 (file dirs-with-file)> ...]
In ./guix/build/union.scm:
 117: 3 [union "/gnu/store/b5rq0sl2jsqpqjxkhi68dy3racz1wfpv-profile/share/man/man1/python.1" ...]
In unknown file:
   ?: 2 [partition #<procedure file-is-directory? (file)> #]
In ./guix/build/union.scm:
  50: 1 [file-is-directory? "/gnu/store/q5kdj7gpawi94pqd15x3wizjq0nx4zhx-python-2.7.13/share/man/man1/python.1"]
In unknown file:
   ?: 0 [stat "/gnu/store/q5kdj7gpawi94pqd15x3wizjq0nx4zhx-python-2.7.13/share/man/man1/python.1" ...]

ERROR: In procedure stat:
ERROR: In procedure stat: No such file or directory: "/gnu/store/q5kdj7gpawi94pqd15x3wizjq0nx4zhx-python-2.7.13/share/man/man1/python.1"
builder for `/gnu/store/hrl55dd3m9v8jqwf3jn5g0j36ix5n1n5-profile.drv' failed with exit code 1
guix package: error: build failed: build of `/gnu/store/hrl55dd3m9v8jqwf3jn5g0j36ix5n1n5-profile.drv' failed

-- 

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From: ludo <at> gnu.org (Ludovic Courtès)
To: Pjotr Prins <pjotr.public12 <at> thebird.nl>
Cc: 26949-done <at> debbugs.gnu.org
Subject: Re: bug#26949: Python path conflict
Date: Thu, 18 May 2017 11:43:31 +0200

Pjotr Prins <pjotr.public12 <at> thebird.nl> skribis:

> In ./guix/build/union.scm:
>  117: 3 [union "/gnu/store/b5rq0sl2jsqpqjxkhi68dy3racz1wfpv-profile/share/man/man1/python.1" ...]
> In unknown file:
>    ?: 2 [partition #<procedure file-is-directory? (file)> #]
> In ./guix/build/union.scm:
>   50: 1 [file-is-directory? "/gnu/store/q5kdj7gpawi94pqd15x3wizjq0nx4zhx-python-2.7.13/share/man/man1/python.1"]
> In unknown file:
>    ?: 0 [stat "/gnu/store/q5kdj7gpawi94pqd15x3wizjq0nx4zhx-python-2.7.13/share/man/man1/python.1" ...]
>
> ERROR: In procedure stat:
> ERROR: In procedure stat: No such file or directory: "/gnu/store/q5kdj7gpawi94pqd15x3wizjq0nx4zhx-python-2.7.13/share/man/man1/python.1"

Ooh, got it.  I managed to reproduce it with a toy example.  Should be
fixed in 22ef06b801b284760b4ffd9587ea1a3dffd31baa.  Can you confirm?

Thank you!

Ludo’.

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