From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark H Weaver <mhw@netris.org>
Subject: bug#37035: --with-graft tries to download source files and build them
Date: Thu, 15 Aug 2019 15:20:58 -0400
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To: pkill9@runbox.com
Cc: 37035@debbugs.gnu.org

Hi,

<pkill9@runbox.com> writes:

> When running `guix build --dry-run --with-graft=mesa=mesa love`, Guix shows that it will try to download a bunch of source files for quite a few packages:
>
> ```
> $ guix build --dry-run --with-graft=mesa=mesa love
> The following derivations would be built:
>    /gnu/store/0lfws1b85h6lkv09pp7q0439pd41qirj-love-11.1.drv
>    /gnu/store/2spqmdn4s13r0z9d9hym25h4nfcl1r5g-sdl2-2.0.9.drv
>    /gnu/store/aknpb0pgslx9jaidgvh8wrzl7j6nl3nn-fcitx-4.2.9.6.drv
>    /gnu/store/8pk7gncsr1cfph8km8dhwk67q9d58c0k-libepoxy-1.5.3.drv
>    /gnu/store/w0wxk5f2a44hksrbvwqxn1d6sx96hdyw-gtk+-3.24.9.drv
>    /gnu/store/ydx7mg4bni0lfckw0r3x65icmfhr194k-xorg-server-1.20.5.drv
>    /gnu/store/xnc6a1fjwlwfjpg0lwai3aq51rw5qwrc-extra-cmake-modules-5.55.0.drv
>    /gnu/store/jp29lhdwhs3znbsbznxq9nd9zp5l8ds0-qtbase-5.11.3.drv
>    /gnu/store/sblg1v3yxf41b89aaj4r47zcyhxs3az4-ibus-1.5.20.drv
>    /gnu/store/a4ynsy7ras28jlgmrhfilkc0lnin21mw-libnotify-0.7.7.drv
>    /gnu/store/d8gvjnrl584wc5pavppa3m3yvm3jaxpk-dconf-0.32.0.drv
> 76.4 MB would be downloaded:
>    /gnu/store/4vl3vkvqv0hhr0rlzciq55l4j8c5lgdz-ibus-1.5.20.tar.gz
>    /gnu/store/jpxqw86l1gxkfrp66h5mc747xf881hjm-gettext-0.19.8.1
>    /gnu/store/9dgbqa3m412prwadpwg0ah7a3kv6fh9p-libnotify-0.7.7.tar.xz
>    /gnu/store/aaha1wfv58b83fwp0fqg8b5nlpkw1bva-libmng-2.0.3
>    /gnu/store/6qy0ni5msmg93a55wi5qmj96729c1fcf-vulkan-headers-1.1.112
>    /gnu/store/3a3j7rnd49fr6papzd2r2i8f96ayxi1v-qtbase-everywhere-src-5.11.3.tar.xz
>    /gnu/store/3n7yhbfl1gik3n64rmy1574djpc1w6m5-gperf-3.1
>    /gnu/store/wkfsm7mv8rjawdkzi8chf7qy8l5dppkm-xorg-server-1.20.5.tar.xz
>    /gnu/store/7w7fq1iy0jkap5np4q00cw4cllr0lkj5-libdmx-1.1.4
>    /gnu/store/cc39n3mx1nswgwx7p8mbx7apy4j1w8yy-xtrans-1.3.5
>    /gnu/store/l1nxv1asf958h9ww4iijypyk31mj3d3x-gtk+-3.24.9.tar.xz
>    /gnu/store/9rzjddyd621n26av5hb6zn55r372fhnv-libepoxy-1.5.3.tar.xz
> ```

You asked Guix to build something, so it's not surprising to me that it
might need to download some source code to do that.

Can you spell out more clearly what you expected to happen differently,
and why you think Guix is acting improperly here?

     Thanks,
       Mark