&filedoublearray &getpackages &basename &dirname &xargs %dh
&compat &addsubstvar &delsubstvar &excludefile &package_arch
&is_udeb &udeb_filename &debhelper_script_subst &escape_shell
- &inhibit_log &load_log &write_log &dpkg_architecture_value
- &sourcepackage &get_make_jobserver_status);
+ &inhibit_log &load_log &write_log &commit_override_log
+ &dpkg_architecture_value &sourcepackage
+ &is_make_jobserver_unavailable &clean_jobserver_makeflags
+ &cross_command &set_buildflags &get_buildoption);
-my $max_compat=7;
+my $max_compat=10;
sub init {
my %params=@_;
grep /^-/, @ARGV) {
eval "use Debian::Debhelper::Dh_Getopt";
error($@) if $@;
- Debian::Debhelper::Dh_Getopt::parseopts($params{options});
+ Debian::Debhelper::Dh_Getopt::parseopts(%params);
}
# Another way to set excludes.
$dh{NO_ACT}=1;
}
- my @allpackages=getpackages();
# Get the name of the main binary package (first one listed in
# debian/control). Only if the main package was not set on the
# command line.
if (! exists $dh{MAINPACKAGE} || ! defined $dh{MAINPACKAGE}) {
+ my @allpackages=getpackages();
$dh{MAINPACKAGE}=$allpackages[0];
}
# Check if packages to build have been specified, if not, fall back to
- # the default, doing them all.
+ # the default, building all relevant packages.
if (! defined $dh{DOPACKAGES} || ! @{$dh{DOPACKAGES}}) {
- push @{$dh{DOPACKAGES}},@allpackages;
+ push @{$dh{DOPACKAGES}}, getpackages('both');
}
# Check to see if -P was specified. If so, we can only act on a single
}
}
+sub logfile {
+ my $package=shift;
+ my $ext=pkgext($package);
+ return "debian/${ext}debhelper.log"
+}
+
+sub add_override {
+ my $line=shift;
+ $line="override_$ENV{DH_INTERNAL_OVERRIDE} $line"
+ if defined $ENV{DH_INTERNAL_OVERRIDE};
+ return $line;
+}
+
+sub remove_override {
+ my $line=shift;
+ $line=~s/^\Qoverride_$ENV{DH_INTERNAL_OVERRIDE}\E\s+//
+ if defined $ENV{DH_INTERNAL_OVERRIDE};
+ return $line;
+}
+
sub load_log {
my ($package, $db)=@_;
- my $ext=pkgext($package);
my @log;
- open(LOG, "<", "debian/${ext}debhelper.log") || return;
+ open(LOG, "<", logfile($package)) || return;
while (<LOG>) {
chomp;
- push @log, $_;
- $db->{$package}{$_}=1 if defined $db;
+ my $command=remove_override($_);
+ push @log, $command;
+ $db->{$package}{$command}=1 if defined $db;
}
close LOG;
return @log;
my $cmd=shift;
my @packages=@_;
+ return if $dh{NO_ACT};
+
foreach my $package (@packages) {
- my $ext=pkgext($package);
- my $log="debian/${ext}debhelper.log";
+ my $log=logfile($package);
open(LOG, ">>", $log) || error("failed to write to ${log}: $!");
- print LOG $cmd."\n";
+ print LOG add_override($cmd)."\n";
+ close LOG;
+ }
+}
+
+sub commit_override_log {
+ my @packages=@_;
+
+ return if $dh{NO_ACT};
+
+ foreach my $package (@packages) {
+ my @log=map { remove_override($_) } load_log($package);
+ my $log=logfile($package);
+ open(LOG, ">", $log) || error("failed to write to ${log}: $!");
+ print LOG $_."\n" foreach @log;
close LOG;
}
}
# The kernel can accept command lines up to 20k worth of characters.
my $command_max=20000; # LINUX SPECIFIC!!
+ # (And obsolete; it's bigger now.)
# I could use POSIX::ARG_MAX, but that would be slow.
# Figure out length of static portion of command.
}
}
-# Output an error message and exit.
+# Output an error message and die (can be caught).
sub error {
my $message=shift;
- warning($message);
- exit 1;
+ die basename($0).": $message\n";
}
# Output a warning.
sub compat {
my $num=shift;
+ my $nowarn=shift;
if (! defined $c) {
$c=1;
- if (defined $ENV{DH_COMPAT}) {
- $c=$ENV{DH_COMPAT};
- }
- elsif (-e 'debian/compat') {
- # Try the file..
+ if (-e 'debian/compat') {
open (COMPAT_IN, "debian/compat") || error "debian/compat: $!";
my $l=<COMPAT_IN>;
close COMPAT_IN;
if (! defined $l || ! length $l) {
- warning("debian/compat is empty, assuming level $c");
+ warning("debian/compat is empty, assuming level $c")
+ unless defined $ENV{DH_COMPAT};
}
else {
chomp $l;
$c=$l;
}
}
+ else {
+ warning("No compatibility level specified in debian/compat");
+ warning("This package will soon FTBFS; time to fix it!");
+ }
+
+ if (defined $ENV{DH_COMPAT}) {
+ $c=$ENV{DH_COMPAT};
+ }
}
- if ($c < 4 && ! $warned_compat) {
- warning("Compatibility levels before 5 are deprecated.");
+ if ($c <= 4 && ! $warned_compat && ! $nowarn) {
+ warning("Compatibility levels before 5 are deprecated (level $c in use)");
$warned_compat=1;
}
$filename="$dh{NAME}.$filename";
}
- my @try=("debian/$package.$filename.".buildarch(),
- "debian/$package.$filename.".buildos(),
- "debian/$package.$filename");
+ # First, check for files ending in buildarch and buildos.
+ my $match;
+ foreach my $file (glob("debian/$package.$filename.*")) {
+ next if ! -f $file;
+ next if $dh{IGNORE} && exists $dh{IGNORE}->{$file};
+ if ($file eq "debian/$package.$filename.".buildarch()) {
+ $match=$file;
+ # buildarch files are used in preference to buildos files.
+ last;
+ }
+ elsif ($file eq "debian/$package.$filename.".buildos()) {
+ $match=$file;
+ }
+ }
+ return $match if defined $match;
+
+ my @try=("debian/$package.$filename");
if ($package eq $dh{MAINPACKAGE}) {
push @try, "debian/$filename";
}
# 1: package
# 2: script to add to
# 3: filename of snippet
-# 4: sed to run on the snippet. Ie, s/#PACKAGE#/$PACKAGE/
+# 4: either text: shell-quoted sed to run on the snippet. Ie, 's/#PACKAGE#/$PACKAGE/'
+# or a sub to run on each line of the snippet. Ie sub { s/#PACKAGE#/$PACKAGE/ }
sub autoscript {
my $package=shift;
my $script=shift;
&& !compat(5)) {
# Add fragments to top so they run in reverse order when removing.
complex_doit("echo \"# Automatically added by ".basename($0)."\"> $outfile.new");
- complex_doit("sed \"$sed\" $infile >> $outfile.new");
+ autoscript_sed($sed, $infile, "$outfile.new");
complex_doit("echo '# End automatically added section' >> $outfile.new");
complex_doit("cat $outfile >> $outfile.new");
complex_doit("mv $outfile.new $outfile");
}
else {
complex_doit("echo \"# Automatically added by ".basename($0)."\">> $outfile");
- complex_doit("sed \"$sed\" $infile >> $outfile");
+ autoscript_sed($sed, $infile, $outfile);
complex_doit("echo '# End automatically added section' >> $outfile");
}
}
+sub autoscript_sed {
+ my $sed = shift;
+ my $infile = shift;
+ my $outfile = shift;
+ if (ref($sed) eq 'CODE') {
+ open(IN, $infile) or die "$infile: $!";
+ open(OUT, ">>$outfile") or die "$outfile: $!";
+ while (<IN>) { $sed->(); print OUT }
+ close(OUT) or die "$outfile: $!";
+ close(IN) or die "$infile: $!";
+ }
+ else {
+ complex_doit("sed \"$sed\" $infile >> $outfile");
+ }
+}
+
# Removes a whole substvar line.
sub delsubstvar {
my $package=shift;
my $file=shift;
my $globdir=shift;
+ # executable config files are a v9 thing.
+ my $x=! compat(8) && -x $file;
+ if ($x) {
+ require Cwd;
+ my $cmd=Cwd::abs_path($file);
+ open (DH_FARRAY_IN, "$cmd |") || error("cannot run $file: $!");
+ }
+ else {
+ open (DH_FARRAY_IN, $file) || error("cannot read $file: $!");
+ }
+
my @ret;
- open (DH_FARRAY_IN, $file) || error("cannot read $file: $1");
while (<DH_FARRAY_IN>) {
chomp;
# Only ignore comments and empty lines in v5 mode.
- if (! compat(4)) {
+ if (! compat(4) && ! $x) {
next if /^#/ || /^$/;
}
my @line;
# The tricky bit is that the glob expansion is done
# as if we were in the specified directory, so the
# filenames that come out are relative to it.
- if (defined $globdir && ! compat(2)) {
- for (map { glob "$globdir/$_" } split) {
+ if (defined $globdir && ! compat(2) && ! $x) {
+ foreach (map { glob "$globdir/$_" } split) {
s#^$globdir/##;
push @line, $_;
}
}
push @ret, [@line];
}
- close DH_FARRAY_IN;
+
+ close DH_FARRAY_IN || error("problem reading $file: $!");
return @ret;
}
return 0;
}
-sub dpkg_architecture_value {
- my $var = shift;
- my $value=`dpkg-architecture -q$var` || error("dpkg-architecture failed");
- chomp $value;
- return $value;
-}
-
-# Returns the build architecture. (Memoized)
{
- my $arch;
-
- sub buildarch {
- if (!defined $arch) {
- $arch=dpkg_architecture_value('DEB_HOST_ARCH');
+ my %dpkg_arch_output;
+ sub dpkg_architecture_value {
+ my $var = shift;
+ if (! exists($dpkg_arch_output{$var})) {
+ local $_;
+ open(PIPE, '-|', 'dpkg-architecture')
+ or error("dpkg-architecture failed");
+ while (<PIPE>) {
+ chomp;
+ my ($k, $v) = split(/=/, $_, 2);
+ $dpkg_arch_output{$k} = $v;
+ }
+ close(PIPE);
}
- return $arch;
+ return $dpkg_arch_output{$var};
}
}
-# Returns the build OS. (Memoized)
-{
- my $os;
+# Returns the build architecture.
+sub buildarch {
+ dpkg_architecture_value('DEB_HOST_ARCH');
+}
- sub buildos {
- if (!defined $os) {
- $os=dpkg_architecture_value("DEB_HOST_ARCH_OS");
- }
- return $os;
- }
+# Returns the build OS.
+sub buildos {
+ dpkg_architecture_value("DEB_HOST_ARCH_OS");
}
# Passed an arch and a list of arches to match against, returns true if matched
-sub samearch {
- my $arch=shift;
- my @archlist=split(/\s+/,shift);
+{
+ my %knownsame;
- foreach my $a (@archlist) {
- system("dpkg-architecture", "-a$arch", "-i$a") == 0 && return 1;
+ sub samearch {
+ my $arch=shift;
+ my @archlist=split(/\s+/,shift);
+
+ foreach my $a (@archlist) {
+ # Avoid expensive dpkg-architecture call to compare
+ # with a simple architecture name. "linux-any" and
+ # other architecture wildcards are (currently)
+ # always hypenated.
+ if ($a !~ /-/) {
+ return 1 if $arch eq $a;
+ }
+ elsif (exists $knownsame{$arch}{$a}) {
+ return 1 if $knownsame{$arch}{$a};
+ }
+ elsif (system("dpkg-architecture", "-a$arch", "-i$a") == 0) {
+ return $knownsame{$arch}{$a}=1;
+ }
+ else {
+ $knownsame{$arch}{$a}=0;
+ }
+ }
+
+ return 0;
}
-
- return 0;
}
# Returns source package name
}
# Returns a list of packages in the control file.
-# Pass "arch" or "indep" to specify arch-dependant or
-# independant. If nothing is specified, returns all packages.
+# Pass "arch" or "indep" to specify arch-dependant (that will be built
+# for the system's arch) or independant. If nothing is specified,
+# returns all packages. Also, "both" returns the union of "arch" and "indep"
+# packages.
# As a side effect, populates %package_arches and %package_types with the
# types of all packages (not only those returned).
my (%package_types, %package_arches);
}
if ($package &&
- (($type eq 'indep' && $arch eq 'all') ||
- ($type eq 'arch' && ($arch eq 'any' ||
+ ((($type eq 'indep' || $type eq 'both') && $arch eq 'all') ||
+ (($type eq 'arch' || $type eq 'both') && ($arch eq 'any' ||
($arch ne 'all' &&
samearch(buildarch(), $arch)))) ||
! $type)) {
}
}
-# A helper subroutine for detecting (based on MAKEFLAGS) if make jobserver
-# is enabled, if it is available or MAKEFLAGS contains "jobs" option.
-# It returns current status (jobserver, jobserver-unavailable or jobs-N where
-# N is number of jobs, 0 if infinite) and MAKEFLAGS cleaned up from
-# job control options.
-sub get_make_jobserver_status {
- my $jobsre = qr/(?:^|\s)(?:(?:-j\s*|--jobs(?:=|\s+))(\d+)?|--jobs)\b/;
- my $status = "";
- my $makeflags;
+# Checks if make's jobserver is enabled via MAKEFLAGS, but
+# the FD used to communicate with it is actually not available.
+sub is_make_jobserver_unavailable {
+ if (exists $ENV{MAKEFLAGS} &&
+ $ENV{MAKEFLAGS} =~ /(?:^|\s)--jobserver-fds=(\d+)/) {
+ if (!open(my $in, "<&$1")) {
+ return 1; # unavailable
+ }
+ else {
+ close $in;
+ return 0; # available
+ }
+ }
+
+ return; # no jobserver specified
+}
+# Cleans out jobserver options from MAKEFLAGS.
+sub clean_jobserver_makeflags {
if (exists $ENV{MAKEFLAGS}) {
- $makeflags = $ENV{MAKEFLAGS};
- if ($makeflags =~ /(?:^|\s)--jobserver-fds=(\d+)/) {
- $status = "jobserver";
- if (!open(my $in, "<&", "$1")) {
- # Job server is unavailable
- $status .= "-unavailable";
- }
- else {
- close $in;
- }
- # Clean makeflags up
- $makeflags =~ s/(?:^|\s)--jobserver-fds=\S+//g;
- $makeflags =~ s/(?:^|\s)-j\b//g;
+ if ($ENV{MAKEFLAGS} =~ /(?:^|\s)--jobserver-fds=(\d+)/) {
+ $ENV{MAKEFLAGS} =~ s/(?:^|\s)--jobserver-fds=\S+//g;
+ $ENV{MAKEFLAGS} =~ s/(?:^|\s)-j\b//g;
}
- elsif (my @m = ($makeflags =~ /$jobsre/g)) {
- # Job count is specified in MAKEFLAGS. Whenever make reads it, a new
- # jobserver will be started. Job count returned is 0 if infinite.
- $status = "jobs-" . (defined $m[$#m] ? $m[$#m] : "0");
- # Clean makeflags up from "jobs" option(s)
- $makeflags =~ s/$jobsre//g;
+ delete $ENV{MAKEFLAGS} if $ENV{MAKEFLAGS} =~ /^\s*$/;
+ }
+}
+
+# If cross-compiling, returns appropriate cross version of command.
+sub cross_command {
+ my $command=shift;
+ if (dpkg_architecture_value("DEB_BUILD_GNU_TYPE")
+ ne dpkg_architecture_value("DEB_HOST_GNU_TYPE")) {
+ return dpkg_architecture_value("DEB_HOST_GNU_TYPE")."-$command";
+ }
+ else {
+ return $command;
+ }
+}
+
+# Sets environment variables from dpkg-buildflags. Avoids changing
+# any existing environment variables.
+sub set_buildflags {
+ return if $ENV{DH_INTERNAL_BUILDFLAGS} || compat(8);
+ $ENV{DH_INTERNAL_BUILDFLAGS}=1;
+
+ eval "use Dpkg::BuildFlags";
+ if ($@) {
+ warning "unable to load build flags: $@";
+ return;
+ }
+
+ my $buildflags = Dpkg::BuildFlags->new();
+ $buildflags->load_config();
+ foreach my $flag ($buildflags->list()) {
+ next unless $flag =~ /^[A-Z]/; # Skip flags starting with lowercase
+ if (! exists $ENV{$flag}) {
+ $ENV{$flag} = $buildflags->get($flag);
}
}
- if ($status) {
- # MAKEFLAGS could be unset if it is empty
- $makeflags = undef if $makeflags =~ /^\s*$/;
+}
+
+# Gets a DEB_BUILD_OPTIONS option, if set.
+sub get_buildoption {
+ my $wanted=shift;
+
+ return undef unless exists $ENV{DEB_BUILD_OPTIONS};
+
+ foreach my $opt (split(/\s+/, $ENV{DEB_BUILD_OPTIONS})) {
+ # currently parallel= is the only one with a parameter
+ if ($opt =~ /^parallel=(-?\d+)$/ && $wanted eq 'parallel') {
+ return $1;
+ }
+ elsif ($opt eq $wanted) {
+ return 1;
+ }
}
- return wantarray ? ($status, $makeflags) : $status;
}
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projects / debhelper.git / blobdiff