[gentoo-commits] proj/sandbox:master commit in: tests/

["Mike Frysinger" <vapier@gentoo.org>]

commit:     ac981df3077edde8bfc95dc54d8a82943986042f
Author:     Mike Frysinger <vapier <AT> gentoo <DOT> org>
AuthorDate: Thu Oct 21 02:40:59 2021 +0000
Commit:     Mike Frysinger <vapier <AT> gentoo <DOT> org>
CommitDate: Thu Oct 21 02:40:59 2021 +0000
URL:        https://gitweb.gentoo.org/proj/sandbox.git/commit/?id=ac981df3

tests: handle fd leakage from GNU make jobservers

Current versions of GNU make (at least v4.3) seem to be leaking its
jobserver fds to children which breaks some tests that expect fd 3
and higher to be free.  Add some startup logic to clean those to fix
`make -j check` failures.

Signed-off-by: Mike Frysinger <vapier <AT> gentoo.org>

 tests/atlocal.in  | 18 ++++++++++++++++++
 tests/script-1.sh |  5 ++++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/tests/atlocal.in b/tests/atlocal.in
index 91b41b2..e8213c0 100644
--- a/tests/atlocal.in
+++ b/tests/atlocal.in
@@ -24,5 +24,23 @@ export SANDBOX_VERBOSE=0
 # If the terminal has this flag set, the tests get all messed up.
 stty -tostop 2>/dev/null || :
 
+# Some tests want this internal path.
+for devfd in /proc/self/fd /dev/fd ; do
+	[ -e "${devfd}" ] && break
+done
+
+# GNU make likes to leak fds when using jobservers (i.e. using -j).
+case "${MAKEFLAGS}" in
+*--jobserver-auth=*)
+	flags=${MAKEFLAGS#*--jobserver-auth=}
+	flags=${flags%% *}
+	for fd in $(echo "${flags}" | tr ',' ' ') ; do
+		if [ -e "${devfd}/${fd}" ] ; then
+			eval "exec ${fd}>&-"
+		fi
+	done
+	;;
+esac
+
 # This script must finish with ($? == 0) else the autotest runner gets upset.
 :

diff --git a/tests/script-1.sh b/tests/script-1.sh
index 3ac6252..8b18114 100755
--- a/tests/script-1.sh
+++ b/tests/script-1.sh
@@ -1,5 +1,8 @@
 #!/bin/sh
 # http://bugs.gentoo.org/257418
 [ "${at_xfail}" = "yes" ] && exit 77 # see script-0
-(>/dev/fd/3)
+(
+cd "${devfd}"
+>3
+)
 exit 0