GNU bug report logs - #55968
Grafts don't support non-ASCII file name.

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Subject: Grafts don't support non-ASCII file name.
From: Maxime Devos <maximedevos@HIDDEN>
To: bug-guix@HIDDEN
Date: Tue, 14 Jun 2022 14:17:28 +0200
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Build a package whose store items contain non-ASCII file names and uses gra=
fts:

$ guix build tectonic
[...]
De volgende transplantaat zal worden gemaakt:
   /gnu/store/p48cj1v9mk7g4hj4dcyv1azawcw6sk25-tectonic-0.8.2.drv
3 transplantaten aanbrengen voor tectonic-0.8.2 ...
grafting '/gnu/store/57rmskg2iybx4dzar8w868msxnc3z4b5-tectonic-0.8.2' -> '/=
gnu/store/ybsgj73xxvin7cjnxabdawiadi08gd2v-tectonic-0.8.2'...
find-files: /gnu/store/57rmskg2iybx4dzar8w868msxnc3z4b5-tectonic-0.8.2/shar=
e/cargo/src/tectonic-0.8.2/tests/tex-outputs/hall??chen ???? welt ????.xdv:=
 No such file or directory
find-files: /gnu/store/57rmskg2iybx4dzar8w868msxnc3z4b5-tectonic-0.8.2/shar=
e/cargo/src/tectonic-0.8.2/tests/tex-outputs/hall??chen ???? welt ????.tex:=
 No such file or directory
find-files: /gnu/store/57rmskg2iybx4dzar8w868msxnc3z4b5-tectonic-0.8.2/shar=
e/cargo/src/tectonic-0.8.2/tests/tex-outputs/hall??chen ???? welt ????.log:=
 No such file or directory
/gnu/store/p48cj1v9mk7g4hj4dcyv1azawcw6sk25-tectonic-0.8.2.drv succesvol ge=
bouwd
/gnu/store/ybsgj73xxvin7cjnxabdawiadi08gd2v-tectonic-0.8.2

The grafted version does not contain the file name starting with 'hall':

$ ls /gnu/store/57rmskg2iybx4dzar8w868msxnc3z4b5-tectonic-0.8.2/share/cargo=
/src/tectonic-0.8.2/tests/tex-outputs/
[ file is missing! ]

Now compare this with the original, non-grafted store item:

$ stat $(guix build --no-grafts tectonic)/share/cargo/src/tectonic-0.8.2/te=
sts/tex-outputs/hall=C3=B6chen\ =F0=9F=90=A8\ welt\ =F0=9F=8C=8D.xdv
[ it exists! ]

A similar fix as in <https://issues.guix.gnu.org/54893> may be needed.

Greetings,
Maxime.

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