[gentoo-commits] repo/gentoo:master commit in: eclass/

[Michał Górny]

commit:     025a6339ffc6f52ac78793b43d0cda01e5c35108
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Tue Feb 22 07:26:04 2022 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Fri Feb 25 15:53:07 2022 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=025a6339

distutils-r1.eclass: Make build-backend getting more reliable

Protect build-backend getter against stray output to stdout.

Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>

 eclass/distutils-r1.eclass | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/eclass/distutils-r1.eclass b/eclass/distutils-r1.eclass
index f6c797a9684e..d95b9525db40 100644
--- a/eclass/distutils-r1.eclass
+++ b/eclass/distutils-r1.eclass
@@ -939,10 +939,12 @@ _distutils-r1_get_backend() {
 		# if pyproject.toml exists, try getting the backend from it
 		# NB: this could fail if pyproject.toml doesn't list one
 		build_backend=$(
-			"${EPYTHON}" - <<-EOF 2>/dev/null
+			"${EPYTHON}" - 3>&1 &>/dev/null <<-EOF
+				import os
 				import tomli
 				print(tomli.load(open("pyproject.toml", "rb"))
-					["build-system"]["build-backend"])
+						["build-system"]["build-backend"],
+					file=os.fdopen(3, "w"))
 			EOF
 		)
 	fi