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multistrap
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Accumulate warnings from system calls and hooks and report to user at the end of the operation.

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git-svn-id: http://emdebian.org/svn/current@7763 563faec7-e20c-0410-992a-a66f704d0ccd
main
codehelp 13 years ago
parent 7ee5ca1a68
commit 50108a7d27
3 changed files with 71 additions and 13 deletions
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4
debian/changelog vendored
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@ -1,8 +1,10 @@
multistrap (2.1.12) unstable; urgency=low
* Fix hook implementation if no hooks in use
* Accumulate warnings from system calls and hooks and report to user
at the end of the operation.
-- Neil Williams <codehelp@debian.org> Tue, 08 Feb 2011 15:19:15 +0000
-- Neil Williams <codehelp@debian.org> Tue, 08 Feb 2011 20:38:33 +0000
multistrap (2.1.11) unstable; urgency=low

70
multistrap
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@ -33,7 +33,8 @@ use vars qw/ $progname $ourversion $dstrap $extra @aptsources $mirror
@extrapkgs @includes %source $setupsh $configsh $omitrequired $dryrun
$omitpreinst @reinstall $tgzname %uniq %required $check @check %uniq
$explicit_suite $allow_recommends %omitdebsrc @dsclist @sectoutput
%flatfile %important $addimportant @debconf $hookdir %hooks /;
%flatfile %important $addimportant @debconf $hookdir %hooks
$warn_count /;
setlocale(LC_MESSAGES, "");
textdomain("multistrap");
@ -140,6 +141,7 @@ unless (keys %sources and @aptsources) {
Using your existing apt sources. To use different sources,
list them with aptsources= in '%s'."), $file);
warn ("$progname: $msg\n");
$warn_count++;
$deflist = prepare_sources_list();
}
@ -348,15 +350,27 @@ foreach my $a (@s) {
$str = join (' ', sort keys %uniq);
@dsclist = sort keys %uniq;
print "apt-get -y $config_str install $str\n";
$retval = 0;
$retval = system ("apt-get -y $config_str install $str");
die (sprintf (_g("apt download failed. Exit value: %d\n"),($retval/256)))
if ($retval != 0);
&force_unpack if ($unpack eq "true");
system ("touch ${dir}${libdir}lists/lock");
system ("$setupsh $dir $arch") if ((defined $setupsh) and (-x $setupsh));
if ((defined $setupsh) and (-x $setupsh)) {
$retval = 0;
$retval = system ("$setupsh $dir $arch");
if ($retval != 0) {
warn (_g("setupscript '%s' returned %d.\n"), $setupsh, $retval/256);
$warn_count++;
}
}
# run first set of hooks
&run_download_hooks(sort @{$hooks{'D'}}) if (defined $hooks{'D'});
&native if (not defined ($foreign) and $unpack eq "true");
my $err = &native if (not defined ($foreign) and $unpack eq "true");
if ($err != 0) {
warn (_g("Native mode configuration reported an error!\n"));
$warn_count++;
}
&add_extra_packages;
system ("cp $configsh $dir/") if ((defined $configsh) and (-f $configsh));
(not defined $tidy) ? system ("apt-get $config_str update") : &tidy_apt;
@ -397,7 +411,14 @@ foreach my $aptsrc (@aptsources) {
(not defined $tidy) ? system ("apt-get $config_str update") : &tidy_apt;
# run second set of hooks
&run_completion_hooks(sort @{$hooks{'A'}}) if (defined ($hooks{'A'}));
printf (_g("\nMultistrap system installed successfully in %s.\n"), $dir);
if (not defined $warn_count) {
printf (_g("\nMultistrap system installed successfully in %s.\n"), $dir);
} else {
my $plural = sprintf(ngettext ("\nMultistrap system reported %d error in %s.\n",
"\nMultistrap system reported %d errors in %s.\n", $warn_count), $warn_count, $dir);
warn ($plural);
$warn_count++;
}
if (defined $tgzname) {
printf (_g("\nCompressing multistrap system in '%s' to a tarball called: '%s'.\n"), $dir, $tgzname);
chdir ("$dir");
@ -410,10 +431,18 @@ if (defined $tgzname) {
}
my $final_path=`realpath $dir/../$tgzname`;
chomp ($final_path);
printf (_g("\nMultistrap system packaged successfully as '%s'.\n"), $final_path);
if (not defined $warn_count) {
printf (_g("\nMultistrap system packaged successfully as '%s'.\n"), $final_path);
} else {
warn (_g("\nMultistrap system packaged as '%s' with warnings.\n"), $final_path);
}
}
print "\n";
exit 0;
if (not defined $warn_count) {
exit 0;
} else {
exit $warn_count;
}
sub our_version {
my $query = `dpkg-query -W -f='\${Version}' multistrap 2>/dev/null`;
@ -574,7 +603,11 @@ sub run_download_hooks {
"I: Running %d post-download hooks\n", scalar @hooks), scalar @hooks);
foreach my $hookscript (@hooks) {
printf (_g("I: Running post-download hook: '%s'\n"), basename($hookscript));
system ("$hookscript $dir");
my $hookret = system ("$hookscript $dir");
if ($hookret != 0) {
printf (_g("I: post-download hook '%s' reported an error: %d\n"), basename($hookscript), $hookret/256);
$warn_count += ($hookret < 0) ? $hookret/-256 : $hookret/256;
}
}
}
@ -585,7 +618,10 @@ sub run_native_hooks_start {
"I: Starting %d native hooks\n", scalar @hooks), scalar @hooks);
foreach my $hookscript (@hooks) {
printf (_g("I: Starting native hook: '%s'\n"), basename($hookscript));
system ("$hookscript $dir start");
my $hookret = system ("$hookscript $dir start");
if ($hookret != 0) {
$warn_count += ($hookret < 0) ? $hookret/-256 : $hookret/256;
}
}
}
@ -596,7 +632,10 @@ sub run_native_hooks_end {
"I: Stopping %d native hooks\n", scalar @hooks), scalar @hooks);
foreach my $hookscript (@hooks) {
printf (_g("I: Stopping native hook: '%s'\n"), basename($hookscript));
system ("$hookscript $dir end");
my $hookret = system ("$hookscript $dir end");
if ($hookret != 0) {
$warn_count += ($hookret < 0) ? $hookret/-256 : $hookret/256;
}
}
}
@ -607,7 +646,10 @@ sub run_completion_hooks {
"I: Running %d post-configuration hooks\n", scalar @hooks), scalar @hooks);
foreach my $hookscript (@hooks) {
printf (_g("I: Running post-configuration hook: '%s'\n"), basename($hookscript));
system ("$hookscript $dir");
my $hookret = system ("$hookscript $dir");
if ($hookret != 0) {
$warn_count += ($hookret < 0) ? $hookret/-256 : $hookret/256;
}
}
}
@ -758,12 +800,18 @@ sub native {
next if ($script =~ /bash/);
system ("$str $env chroot $dir /var/lib/dpkg/info/$script install");
}
system ("$str $env chroot $dir dpkg --configure -a");
my $retval = 0;
$retval = system ("$str $env chroot $dir dpkg --configure -a");
$retval /= 256;
if ($retval != 0) {
warn (_g("ERR: dpkg configure reported an error.\n"));
}
# reinstall set
foreach my $reinst (sort @reinstall) {
system ("$str $env chroot $dir apt-get --reinstall -y install $reinst");
}
&run_native_hooks_end(sort @{$hooks{'N'}}) if (defined $hooks{'N'});
return $retval;
}
sub get_required_debs {

10
pod/multistrap
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@ -638,7 +638,10 @@ All hooks of one type are sorted into alphabetical order before being
run.
Note that C<multistrap> does not rollback the effects of hooks in the
case of errors.
case of errors. However, C<multistrap> will report the accumulated
errors as warnings. If a hook exits non-zero, the exit value is converted
to a positive number and added to the total warning count, reported at
the end of the operation.
=head1 Output
@ -647,6 +650,11 @@ appear on STDOUT, errors and warnings on STDERR. Calls to C<apt> and
C<dpkg> respect the same pattern, so it is simple to trim the combined
C<multistrap> output to just the errors, if desired.
C<multistrap> accumulates error states from non-fatal processes within
the operation and reports these as warnings on STDERR as well as exiting
with the accumulated error count. This includes hooks which report
non-zero exit values.
=head1 Bugs
As C<multistrap> gets more complex, bugs will creep into the package.

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