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#!/bin/bash
# Work around #868576 and #1092771 for bookworm.
# The bugs are fixed for trixie, and we already don't run the relevant
# t2u tests on bullseye & buster due to needing newer python3-pygit2.
set -ex
export TMPDIR="$DGIT_TEST_TMP/autopkgtest-tmp"
test -d "$TMPDIR" || mkdir "$TMPDIR"
if ! dpkg --compare-versions \
"$(dpkg-query -f '${Version}' -W autopkgtest)" '<<' 5.47~; then
exec autopkgtest-virt-null --retain-tmp "$@"
x
fi
bodge="$TMPDIR/autopkgtest-virt-null-bodged"
troot="$DGIT_TEST_TROOT"
if ! test -e "$bodge"; then
orig="$(type -p autopkgtest-virt-null)"
# This patching is morally equivalent to maintaining a local fork of
# autopkgtest-virt-null here in the dgit test suite,
# with the unusual property that we insist on being able to update
# automatically, and fail the test if the patch doesn't apply.
#
# Other options considered but rejected:
#
# clone-and-hack autopkgtest-virt-null here and expect that the
# VirtSubProc API is stable enough: also unprincipled, and ISTM more
# likely to appear to work, but malfunction.
#
# Put a stunt version of `rm` on the PATH. This would work until
# VirtSubProc uses rmtree, and would then silently stop working.
#
# Even if #1092771 is addressed, we still need to probe for its
# availability, and fall back to this patching, until all Debian
# releases supported by dgit.dgit#main have the new autopkgtest.
cp -- "$orig" "$bodge"
patch $bodge <"$troot/autopkgtest-virt-null.bodge.patch" >&2
fi
# work around #868576 (which is fixed only in autopkgtest 5.44, in trixie!)
perl -we '
my $child = open CHILD, "|-", @ARGV;
$child // die $!;
open STDOUT, ">&2" or die $!;
sub quit () {
waitpid $child, 0;
die "failed @ARGV $?" if $? && $? != 15;
exit 0;
}
$SIG{CHLD} = \&quit;
while (<STDIN>) {
print CHILD or die $!;
flush CHILD or die $!;
}
$SIG{CHLD} = "DEFAULT";
kill 15, $child;
quit();
' \
"$bodge" ${DGIT_TEST_NDEBUG- -d} "$@"
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