GNU bug report logs - #30952
Grafting sometimes include all the outputs of a package

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: bug-guix <at> gnu.org
Subject: Grafting sometimes include all the outputs of a package
Date: Mon, 26 Mar 2018 15:59:38 +0200

Hello,

I noticed my /run/current-system would depend on two different
‘network-manager’.

Looking more closely, both are grafts, but the different is that the
first one only has the “out” output while the other one has “out” and
“doc”:

--8<---------------cut here---------------start------------->8---
$ guix gc --referrers "/gnu/store/ia69421l4wxny3k38zj5ql7bxsnasbfq-network-manager-1.8.4.drv"
/gnu/store/68gfp5ac9rp4p9vsb0rrnvxa2fy1w4w9-profile.drv
/gnu/store/6mivj4kfa7qx1z47f3kgfxfzm4148wwi-info-dir.drv
/gnu/store/7skqpm8a0h6cvzwbj6m0zjjdgg676gm1-dbus-system-services.drv
/gnu/store/84xhi03ikjcrr6vpkbvqy12a5s9imbxx-etc-polkit-1.drv
/gnu/store/8gcq4gvghnp830kz9rs4ra9b8m8cggmn-dbus-configuration.drv
/gnu/store/c40mizbls6b91jifib2z9xhasqc2m45f-xdg-desktop-database.drv
/gnu/store/dc1vrv9jf8bf1dl94v8k04rjv69rjc6s-ca-certificate-bundle.drv
/gnu/store/hbzq0f0fmfylv380k315j56qpqj7hpbi-shepherd-networking.scm.drv
/gnu/store/jhdxpzj8f4ar8bp8pi3nvjn4fkiqg3d5-manual-database.drv
/gnu/store/q94jkh8vf6sdvx9lg9gx9z6nans85sai-fonts-dir.drv
/gnu/store/yz5mp49js753xcidl20lddl5xq2i2c9f-xdg-mime-database.drv
$ guix gc --referrers "/gnu/store/gpvbfa0bgz5v0n4lcyv0mp3mh44p8dvy-network-manager-1.8.4.drv"
/gnu/store/332xw1rgi24v7vf3m8v8wgzbn34n037a-network-manager-applet-1.8.4.drv
/gnu/store/m2j527i7mfvh6zayx3yn4jv64hqw28s0-network-manager-openvpn-1.8.0.drv
$ head -c 50 "/gnu/store/ia69421l4wxny3k38zj5ql7bxsnasbfq-network-manager-1.8.4.drv"
Derive([("doc","/gnu/store/53lsazvjjsf6ib0s2cgxrqn$ 
$ head -c 50  "/gnu/store/gpvbfa0bgz5v0n4lcyv0mp3mh44p8dvy-network-manager-1.8.4.drv"
Derive([("out","/gnu/store/hsy71fkli9blh34np008j3j
--8<---------------cut here---------------end--------------->8---

I believe this is because the optimization in commit
482fda2729c3e76999892cb8f9a0391a7bd37119 work as expected when the graft
is used as a package input, but doesn’t fire when the package is used in
a gexp for instance.

That’s because ‘package-compiler’ calls ‘package-derivation’, which
doesn’t specify which output(s) we’re interested in.

Ludo’.

Message #8 received at 30952 <at> debbugs.gnu.org (full text, mbox):

From: Simon Tournier <zimon.toutoune <at> gmail.com>
To: ludo <at> gnu.org (Ludovic Courtès)
Cc: 30952 <at> debbugs.gnu.org
Subject: Re: bug#30952: Grafting sometimes include all the outputs of a package
Date: Mon, 16 Jun 2025 12:07:09 +0200

Hi Ludo

What is the status of this old bug

    https://issues.guix.gnu.org/issue/30952

?

On Mon, 26 Mar 2018 at 15:59, ludo <at> gnu.org (Ludovic Courtès) wrote:

> I noticed my /run/current-system would depend on two different
> ‘network-manager’.
>
> Looking more closely, both are grafts, but the different is that the
> first one only has the “out” output while the other one has “out” and
> “doc”:
>
> $ guix gc --referrers "/gnu/store/ia69421l4wxny3k38zj5ql7bxsnasbfq-network-manager-1.8.4.drv"
> /gnu/store/68gfp5ac9rp4p9vsb0rrnvxa2fy1w4w9-profile.drv
> /gnu/store/6mivj4kfa7qx1z47f3kgfxfzm4148wwi-info-dir.drv
> /gnu/store/7skqpm8a0h6cvzwbj6m0zjjdgg676gm1-dbus-system-services.drv
> /gnu/store/84xhi03ikjcrr6vpkbvqy12a5s9imbxx-etc-polkit-1.drv
> /gnu/store/8gcq4gvghnp830kz9rs4ra9b8m8cggmn-dbus-configuration.drv
> /gnu/store/c40mizbls6b91jifib2z9xhasqc2m45f-xdg-desktop-database.drv
> /gnu/store/dc1vrv9jf8bf1dl94v8k04rjv69rjc6s-ca-certificate-bundle.drv
> /gnu/store/hbzq0f0fmfylv380k315j56qpqj7hpbi-shepherd-networking.scm.drv
> /gnu/store/jhdxpzj8f4ar8bp8pi3nvjn4fkiqg3d5-manual-database.drv
> /gnu/store/q94jkh8vf6sdvx9lg9gx9z6nans85sai-fonts-dir.drv
> /gnu/store/yz5mp49js753xcidl20lddl5xq2i2c9f-xdg-mime-database.drv
> $ guix gc --referrers "/gnu/store/gpvbfa0bgz5v0n4lcyv0mp3mh44p8dvy-network-manager-1.8.4.drv"
> /gnu/store/332xw1rgi24v7vf3m8v8wgzbn34n037a-network-manager-applet-1.8.4.drv
> /gnu/store/m2j527i7mfvh6zayx3yn4jv64hqw28s0-network-manager-openvpn-1.8.0.drv
> $ head -c 50 "/gnu/store/ia69421l4wxny3k38zj5ql7bxsnasbfq-network-manager-1.8.4.drv"
> Derive([("doc","/gnu/store/53lsazvjjsf6ib0s2cgxrqn$
> $ head -c 50  "/gnu/store/gpvbfa0bgz5v0n4lcyv0mp3mh44p8dvy-network-manager-1.8.4.drv"
> Derive([("out","/gnu/store/hsy71fkli9blh34np008j3j
>
> I believe this is because the optimization in commit
> 482fda2729c3e76999892cb8f9a0391a7bd37119 work as expected when the graft
> is used as a package input, but doesn’t fire when the package is used in
> a gexp for instance.
>
> That’s because ‘package-compiler’ calls ‘package-derivation’, which
> doesn’t specify which output(s) we’re interested in.

It contains this unique message from 2018. :-)

Cheers,
simon

Message #11 received at 30952 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Simon Tournier <zimon.toutoune <at> gmail.com>
Cc: 30952 <at> debbugs.gnu.org
Subject: Re: bug#30952: Grafting sometimes include all the outputs of a package
Date: Mon, 16 Jun 2025 15:19:44 +0200

Hi Simon,

Simon Tournier <zimon.toutoune <at> gmail.com> writes:

> What is the status of this old bug
>
>     https://issues.guix.gnu.org/issue/30952

I’m afraid the problem still exists, after all these years:

--8<---------------cut here---------------start------------->8---
$ guix gc -R $(readlink -f /run/current-system) |grep network-manager-1
/gnu/store/vp1nbd5lxf3gv76c4iswz8j1m1w1cz1n-network-manager-1.52.0
/gnu/store/a53c943yziixmd9xakrnmbhv2q3ysm7g-network-manager-1.52.0
$ guix system describe
Generation 350  juin 16 2025 08:44:09   (current)
  file name: /var/guix/profiles/system-350-link
  canonical file name: /gnu/store/yz698bi3lzngwnlf1qynw2n06zmyp9zr-system
  label: GNU with Linux-Libre 6.14.11
  bootloader: grub-efi
  root device: label: "root"
  kernel: /gnu/store/awmrxyh7i8phaqniwgmj7v4haxk8g9p2-linux-libre-6.14.11/bzImage
  channels:
    shepherd:
      repository URL: https://codeberg.org/shepherd/shepherd.git
      branch: main
      commit: a451bdfb30bbe5d9a0f0bb57bdc44301001a6deb
    guile:
      repository URL: https://git.savannah.gnu.org/git/guile.git
      branch: main
      commit: af0123c8b975d0efd7952f2f3ddb67213aabee31
    guix:
      repository URL: https://git.guix.gnu.org/guix.git
      branch: master
      commit: 035bacebc21c263541b160bcdc27dc5ed36af551
  configuration file: /gnu/store/gg27vbm73571s5ks12rrri9id11fkj5r-configuration.scm
$ guix gc -R $(readlink -f /run/current-system) |grep network-manager-1
/gnu/store/vp1nbd5lxf3gv76c4iswz8j1m1w1cz1n-network-manager-1.52.0
/gnu/store/a53c943yziixmd9xakrnmbhv2q3ysm7g-network-manager-1.52.0
$ guix gc --derivers /gnu/store/vp1nbd5lxf3gv76c4iswz8j1m1w1cz1n-network-manager-1.52.0
/gnu/store/i2nrmi2a21lza1vzapva2fbks7c86b1j-network-manager-1.52.0.drv
$ guix gc --derivers /gnu/store/a53c943yziixmd9xakrnmbhv2q3ysm7g-network-manager-1.52.0
/gnu/store/17x6jch6y433jy6la6fsadq4wwvhywzn-network-manager-1.52.0.drv
$ head -c70 /gnu/store/i2nrmi2a21lza1vzapva2fbks7c86b1j-network-manager-1.52.0.drv
Derive([("out","/gnu/store/vp1nbd5lxf3gv76c4iswz8j1m1w1cz1n-network-ma$ 
$ head -c70 /gnu/store/17x6jch6y433jy6la6fsadq4wwvhywzn-network-manager-1.52.0.drv
Derive([("doc","/gnu/store/g47v5izlnc514ljwl0254lbac7q4ynwp-network-ma$ 
--8<---------------cut here---------------end--------------->8---

Ludo’.

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