GNU bug report logs - #23132
Grafted system retains references to original store items

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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#23132: closed (Grafted system retains references to original
 store items)
Date: Fri, 20 May 2016 23:38:02 +0000

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Your message dated Sat, 21 May 2016 01:36:50 +0200
with message-id <87shxcuwrx.fsf <at> gnu.org>
and subject line Re: bug#23132: Grafted system retains references to original store items
has caused the debbugs.gnu.org bug report #23132,
regarding Grafted system retains references to original store items
to be marked as done.

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


-- 
23132: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=23132
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Mark H Weaver <mhw <at> netris.org>
To: bug-guix <at> gnu.org
Subject: Grafted system retains references to original store items
Date: Sun, 27 Mar 2016 23:39:42 -0400

While testing my preliminary work on grafting improvements, I discovered
that my current system is retaining references to the original flawed
openssl-1.0.2f.  One path of references goes like this:

   /gnu/store/pnbljdp1hpsvnbgqfl8bws7lpj7pm8cb-system
-> /gnu/store/bzdhckvz4sms136fw64pvyhajawdb8ri-profile
-> /gnu/store/dhrgkq1zfkkc5rnz51qlshakapsa2sgm-gnome-session-3.18.1.2
-> /gnu/store/55pqh3wl085d4h033n41b7x0fg9djd1k-glib-2.46.1-bin
-> /gnu/store/kkn66257xrrjhyhq332bndhjpz4d9x76-python-wrapper-3.4.3
-> /gnu/store/qrg3jza3p5281p255cx0lsqk8snbb6pq-python-3.4.3
-> /gnu/store/dgyc74zakg110dxj67z3mj9g1vk8l4xp-openssl-1.0.2f

The gnome-session store item above was created by a grafting derivation,
and all of the ones that follow (starting with glib-2.46.1-bin) are
ungrafted derivations.  The grafting derivation for gnome-session failed
to include a mapping for glib-2.46.1-bin.

  mhw <at> jojen:~$ guix build --log-file /gnu/store/dgyc74zakg110dxj67z3mj9g1vk8l4xp-openssl-1.0.2f
  https://hydra.gnu.org/log/dgyc74zakg110dxj67z3mj9g1vk8l4xp-openssl-1.0.2f

Here's the .drv file for the gnome-session store item above:

  mhw <at> jojen:~$ guix build --log-file /gnu/store/dhrgkq1zfkkc5rnz51qlshakapsa2sgm-gnome-session-3.18.1.2
  /var/log/guix/drvs/b9/n4f67h7fi7l3g5brws2bxlpfx9qvgb-gnome-session-3.18.1.2.drv.bz2
  mhw <at> jojen:~$ bzcat /var/log/guix/drvs/b9/n4f67h7fi7l3g5brws2bxlpfx9qvgb-gnome-session-3.18.1.2.drv.bz2
  grafting '/gnu/store/2f25m1jyy7lvkjqgilza6bafbnv3k044-gnome-session-3.18.1.2' -> '/gnu/store/dhrgkq1zfkkc5rnz51qlshakapsa2sgm-gnome-session-3.18.1.2'...
  mhw <at> jojen:~$ cat /gnu/store/b9n4f67h7fi7l3g5brws2bxlpfx9qvgb-gnome-session-3.18.1.2.drv
  Derive([("out","/gnu/store/dhrgkq1zfkkc5rnz51qlshakapsa2sgm-gnome-session-3.18.1.2","","")],[("/gnu/store/01fyw4i0n31jlc96bwfqc1k9nf0qpj9f-harfbuzz-1.0.6.drv",["out"]),("/gnu/store/023cbj8wlhqmzi0mcn4gkrbnya931a4v-gtk+-3.18.2.drv",["out"]),("/gnu/store/060zw0zzaavja4nmd6qwj1ik5gnx603l-cups-2.1.0.drv",["out"]),("/gnu/store/0h6js55xwls65g2v4dmg847xbdxcpk29-librsvg-2.40.13.drv",["out"]),("/gnu/store/0k7ghiwfsm2d35jn2hmlylkw1d61lyc4-cups-filters-1.4.0.drv",["out"]),("/gnu/store/0m8lfd0y29jhffm3k4r5260282z06r0r-module-import-compiled.drv",["out"]),("/gnu/store/1s6fgn054951yv4bqlpr0vdqb9qvmbkm-pango-1.38.1.drv",["out"]),("/gnu/store/3lchcs3vm4a6r4lknhc0dvc0v0fq1sas-gtk+-3.18.2.drv",["out"]),("/gnu/store/50bb3x82p2hzi9qhmj7qlnzxa3x6xsim-gnome-desktop-3.18.1.drv",["out"]),("/gnu/store/64kkvvcm0zks5cysg89gkcw6a69g5pp2-qpdf-5.1.3.drv",["out"]),("/gnu/store/72qn0wwgdkv8011c1cdrwjbwbqkw1kn1-graphite2-1.3.5.drv",["out"]),("/gnu/store/7l31sjng02yzrl05ki1i16j5mx60lkcy-pango-1.38.1.drv",["out"]),("/gnu/store/9hh2cmj6zabrr7acdmq03bmzsa12vrxp-perl-5.22.1.drv",["out"]),("/gnu/store/a2n2jp4q8yp2ss2dgk3av0bkyqkhjiz1-cups-filters-1.4.0.drv",["out"]),("/gnu/store/bzp5jkh7xgbjb1i2mm0is9bkx7p3fp7f-harfbuzz-1.0.6.drv",["out"]),("/gnu/store/fi41w9iaxi7fm22w55zj86yjbhs8fqf9-openssl-1.0.2f.drv",["out"]),("/gnu/store/fr65rd4r3rlch9r41cvf266wxcqmfbfj-gnome-session-3.18.1.2.drv",["out"]),("/gnu/store/gh2rxq397g7qmjpsg0qcni6pdnrp93a2-graphite2-1.3.5.drv",["out"]),("/gnu/store/i6yfwxiqn3awwg6fh44m5mw8hkq1c0jh-openssl-1.0.2f.drv",["out"]),("/gnu/store/imin0ijzdfg3pw2nirjwsxg086yxx4p2-module-import.drv",["out"]),("/gnu/store/lmxk7qlhqmycd3194d51m97spbhr06dh-perl-5.22.1.drv",["out"]),("/gnu/store/mh24bqnzini70k5s74j816q4jyqf2zmj-perl-5.22.1.drv",["out"]),("/gnu/store/nrw3x5vmk4fygvs7vgpci4pyhl6lwwkd-guile-2.0.11.drv",["out"]),("/gnu/store/r54za3ymsl5jlshhm9x8l1c590fgp68n-cups-2.1.0.drv",["out"]),("/gnu/store/riwksncgzzy1hfliarp6hlrvzgkk3285-perl-5.22.1.drv",["out"]),("/gnu/store/yp83gnlzc3kv8w338pij90rasr5bysx9-qpdf-5.1.3.drv",["out"]),("/gnu/store/zv162a9wn4752cfx7112c6whd7hsdx7k-gnome-desktop-3.18.1.drv",["out"]),("/gnu/store/zvl8f5d1vh7l19almlkqfgx6ig4qgh78-librsvg-2.40.13.drv",["out"])],["/gnu/store/60a5vinj56nhxzszfyayjjy61b303c8r-gnome-session-3.18.1.2-guile-builder"],"i686-linux","/gnu/store/77ipqajm5fyawv6fqrpm232k4qp6flik-guile-2.0.11/bin/guile",["--no-auto-compile","-L","/gnu/store/6xy20xcbxl6yzp5p2g28ly06yc36cxbl-module-import","/gnu/store/60a5vinj56nhxzszfyayjjy61b303c8r-gnome-session-3.18.1.2-guile-builder"],[("GUILE_LOAD_COMPILED_PATH","/gnu/store/lnixf02i03307hn5icfax083nal12bks-module-import-compiled"),("out","/gnu/store/dhrgkq1zfkkc5rnz51qlshakapsa2sgm-gnome-session-3.18.1.2"),("preferLocalBuild","1")])

      Mark

[Message part 3 (message/rfc822, inline)]

From: ludo <at> gnu.org (Ludovic Courtès)
To: Mark H Weaver <mhw <at> netris.org>
Cc: 23132-done <at> debbugs.gnu.org
Subject: Re: bug#23132: Grafted system retains references to original store
 items
Date: Sat, 21 May 2016 01:36:50 +0200

ludo <at> gnu.org (Ludovic Courtès) skribis:

> Mark H Weaver <mhw <at> netris.org> skribis:
>
>> ludo <at> gnu.org (Ludovic Courtès) writes:
>
> [...]
>
>>> What does “guix build glib” produce?  Is the “bin” output of “glib”
>>> correctly grafted?
>>
>> It produces:
>>
>> /gnu/store/1my476c628x9kxa6pf2jlw8mhdlvr8xr-glib-2.46.1
>> /gnu/store/yw2yjlc1mgb4ga6m28nazxwjfh1d2p1n-glib-2.46.1-bin
>> /gnu/store/mm05frzzxa55kl062c4qp44qli00jnm4-glib-2.46.1-doc
>
> The problem we have (also with currentish master) is that the grafted
> glib refers to the non-grafted one:
>
> $ ./pre-inst-env guix build glib --no-grafts
> /gnu/store/nnbd3mbb7cyzj3f9hmm84jwmhslx8jd1-glib-2.48.0-bin
> /gnu/store/ijpqwljxn2j9nimjqnds58m2dzlcxf1g-glib-2.48.0-doc
> /gnu/store/6m4xdh1rj3np9w2fikf8wlq6lka1hmsg-glib-2.48.0
> $ ./pre-inst-env guix build glib
> /gnu/store/40s3d59ig936fnqivyps3fwjzgm6m864-glib-2.48.0-bin
> /gnu/store/fc5pcy9cj4r8plf7sxhykz3k7z03p22y-glib-2.48.0-doc
> /gnu/store/vvdqmpm5biq2x3pw4s142qpcla2ryvax-glib-2.48.0
> $ guix gc --references /gnu/store/vvdqmpm5biq2x3pw4s142qpcla2ryvax-glib-2.48.0|grep glib-
> /gnu/store/6m4xdh1rj3np9w2fikf8wlq6lka1hmsg-glib-2.48.0
> /gnu/store/vvdqmpm5biq2x3pw4s142qpcla2ryvax-glib-2.48.0
>
> It took me a while to find out where that reference came from.  Since
> ‘grep -r’ returned nothing, I resorted to ‘guix archive --export’
> searched for “6m4xdh1rj3np9w2fikf8wlq6lka1hmsg” in the result, and
> found:
>
> $ find /gnu/store/vvdqmpm5biq2x3pw4s142qpcla2ryvax-glib-2.48.0 -name \*gdb.py
> /gnu/store/vvdqmpm5biq2x3pw4s142qpcla2ryvax-glib-2.48.0/share/gdb/auto-load/gnu/store/6m4xdh1rj3np9w2fikf8wlq6lka1hmsg-glib-2.48.0/lib/libgobject-2.0.so.0.4800.0-gdb.py
> /gnu/store/vvdqmpm5biq2x3pw4s142qpcla2ryvax-glib-2.48.0/share/gdb/auto-load/gnu/store/6m4xdh1rj3np9w2fikf8wlq6lka1hmsg-glib-2.48.0/lib/libglib-2.0.so.0.4800.0-gdb.py
>
> So we need an extra pass in (guix build grafts) to rename files whose
> name appears in the mapping.

Fixed in ece6864bd04fc2f9ff86fd4ac9cb0712dd71c094.

Ludo’.

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