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hook-helper: repurpose third arg for skip options now that qemu-user info does not need to be propagated anymore (was only needed for proot)

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Johannes Schauer Marin Rodrigues 2023-10-23 10:41:46 +02:00
parent 27d1bad2a5
commit 84c53fc120
Signed by untrusted user: josch
GPG key ID: F2CBA5C78FBD83E1
3 changed files with 18 additions and 5 deletions
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17
mmdebstrap
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@ -1755,7 +1755,8 @@ sub run_hooks {
# does for python # does for python
my @args = shellwords $script; my @args = shellwords $script;
hookhelper($options->{root}, $options->{mode}, $name, hookhelper($options->{root}, $options->{mode}, $name,
$options->{qemu}, $verbosity_level, @args); (join ',', @{ $options->{skip} }),
$verbosity_level, @args);
exit 0; exit 0;
} }
waitpid($pid, 0); waitpid($pid, 0);
@ -3356,8 +3357,20 @@ sub pivot_root {
} }
sub hookhelper { sub hookhelper {
my ($root, $mode, $hook, $qemu, $verbosity, $command, @args) = @_; my ($root, $mode, $hook, $skipopt, $verbosity, $command, @args) = @_;
$verbosity_level = $verbosity; $verbosity_level = $verbosity;
my @skipopts = ();
if (length $skipopt) {
for my $skip (split /[,\s]+/, $skipopt) {
# strip leading and trailing whitespace
$skip =~ s/^\s+|\s+$//g;
# skip if the remainder is an empty string
if ($skip eq '') {
next;
}
push @skipopts, $skip;
}
}
# we put everything in an eval block because that way we can easily handle # we put everything in an eval block because that way we can easily handle
# errors without goto labels or much code duplication: the error handler # errors without goto labels or much code duplication: the error handler
# has to send an "error" message to the other side # has to send an "error" message to the other side

2
tests/special-hooks-using-helpers
View file

@ -8,7 +8,7 @@ mkdir /tmp/root/real
run_testA() { run_testA() {
echo content > /tmp/foo echo content > /tmp/foo
# shellcheck disable=SC2094 # shellcheck disable=SC2094
{ { { {{ CMD }} --hook-helper /tmp/root root setup env 1 upload /tmp/foo "$1" < /tmp/myfifo 3>&-; echo $? >&3; printf "\\000\\000adios"; { { { {{ CMD }} --hook-helper /tmp/root root setup '' 1 upload /tmp/foo "$1" < /tmp/myfifo 3>&-; echo $? >&3; printf "\\000\\000adios";
} | {{ CMD }} --hook-listener 1 3>&- >/tmp/myfifo; echo $?; } 3>&1; } | {{ CMD }} --hook-listener 1 3>&- >/tmp/myfifo; echo $?; } 3>&1;
} | { read -r xs1; [ "$xs1" -eq 0 ]; read -r xs2; [ "$xs2" -eq 0 ]; } } | { read -r xs1; [ "$xs1" -eq 0 ]; read -r xs2; [ "$xs2" -eq 0 ]; }
echo content | diff -u - /tmp/root/real/foo echo content | diff -u - /tmp/root/real/foo

4
tests/special-hooks-using-helpers-and-env-vars
View file

@ -8,12 +8,12 @@ echo "MMDEBSTRAP_APT_CONFIG $MMDEBSTRAP_APT_CONFIG"
echo "$MMDEBSTRAP_HOOK" >> /tmp/hooks echo "$MMDEBSTRAP_HOOK" >> /tmp/hooks
[ "$MMDEBSTRAP_MODE" = "root" ] [ "$MMDEBSTRAP_MODE" = "root" ]
echo test-content $MMDEBSTRAP_HOOK > test echo test-content $MMDEBSTRAP_HOOK > test
{{ CMD }} --hook-helper "$1" "$MMDEBSTRAP_MODE" "$MMDEBSTRAP_HOOK" env 1 upload test /test <&$MMDEBSTRAP_HOOKSOCK >&$MMDEBSTRAP_HOOKSOCK {{ CMD }} --hook-helper "$1" "$MMDEBSTRAP_MODE" "$MMDEBSTRAP_HOOK" '' 1 upload test /test <&$MMDEBSTRAP_HOOKSOCK >&$MMDEBSTRAP_HOOKSOCK
rm test rm test
echo "content inside chroot:" echo "content inside chroot:"
cat "$1/test" cat "$1/test"
[ "test-content $MMDEBSTRAP_HOOK" = "$(cat "$1/test")" ] [ "test-content $MMDEBSTRAP_HOOK" = "$(cat "$1/test")" ]
{{ CMD }} --hook-helper "$1" "$MMDEBSTRAP_MODE" "$MMDEBSTRAP_HOOK" env 1 download /test test <&$MMDEBSTRAP_HOOKSOCK >&$MMDEBSTRAP_HOOKSOCK {{ CMD }} --hook-helper "$1" "$MMDEBSTRAP_MODE" "$MMDEBSTRAP_HOOK" '' 1 download /test test <&$MMDEBSTRAP_HOOKSOCK >&$MMDEBSTRAP_HOOKSOCK
echo "content outside chroot:" echo "content outside chroot:"
cat test cat test
[ "test-content $MMDEBSTRAP_HOOK" = "$(cat test)" ] [ "test-content $MMDEBSTRAP_HOOK" = "$(cat test)" ]