diff options
Diffstat (limited to 'Debian/Debhelper')
-rw-r--r-- | Debian/Debhelper/Dh_Getopt.pm | 213 | ||||
-rw-r--r-- | Debian/Debhelper/Dh_Lib.pm | 567 |
2 files changed, 780 insertions, 0 deletions
diff --git a/Debian/Debhelper/Dh_Getopt.pm b/Debian/Debhelper/Dh_Getopt.pm new file mode 100644 index 00000000..53db13ae --- /dev/null +++ b/Debian/Debhelper/Dh_Getopt.pm @@ -0,0 +1,213 @@ +#!/usr/bin/perl -w +# +# Debhelper option processing library. +# +# Joey Hess GPL copyright 1998-2002 + +package Debian::Debhelper::Dh_Getopt; +use strict; + +use Debian::Debhelper::Dh_Lib; +use Getopt::Long; +use Exporter; +#use vars qw{@ISA @EXPORT}; +#@ISA=qw(Exporter); +#@EXPORT=qw(&aparseopts); # FIXME: for some reason, this doesn't work. + +my (%options, %exclude_package); + +sub showhelp { + my $prog=basename($0); + print "Usage: $prog [options]\n\n"; + print " $prog is a part of debhelper. See debhelper(7)\n"; + print " and $prog(1) for complete usage instructions.\n"; + exit(1); +} + +# Passed an option name and an option value, adds packages to the list +# of packages. We need this so the list will be built up in the right +# order. +sub AddPackage { my($option,$value)=@_; + if ($option eq 'i' or $option eq 'indep') { + push @{$options{DOPACKAGES}}, GetPackages('indep'); + $options{DOINDEP}=1; + } + elsif ($option eq 'a' or $option eq 'arch') { + push @{$options{DOPACKAGES}}, GetPackages('arch'); + $options{DOARCH}=1; + } + elsif ($option eq 'p' or $option eq 'package') { + push @{$options{DOPACKAGES}}, $value; + } + elsif ($option eq 's' or $option eq 'same-arch') { + push @{$options{DOPACKAGES}}, GetPackages('same'); + $options{DOSAME}=1; + } + else { + error("bad option $option - should never happen!\n"); + } +} + +# Add a package to a list of packages that should not be acted on. +sub ExcludePackage { my($option,$value)=@_; + $exclude_package{$value}=1; +} + +# Add another item to the exclude list. +sub AddExclude { my($option,$value)=@_; + push @{$options{EXCLUDE}},$value; +} + +# This collects non-options values. +sub NonOption { + push @{$options{ARGV}}, @_; +} + +# Parse options and return a hash of the values. +sub parseopts { + undef %options; + + my $ret=GetOptions( + "v" => \$options{VERBOSE}, + "verbose" => \$options{VERBOSE}, + + "i" => \&AddPackage, + "indep" => \&AddPackage, + + "a" => \&AddPackage, + "arch" => \&AddPackage, + + "p=s" => \&AddPackage, + "package=s" => \&AddPackage, + + "s" => \&AddPackage, + "same-arch" => \&AddPackage, + + "N=s" => \&ExcludePackage, + "no-package=s" => \&ExcludePackage, + + "n" => \$options{NOSCRIPTS}, + "noscripts" => \$options{NOSCRIPTS}, + + "x" => \$options{INCLUDE_CONFFILES}, # is -x for some unknown historical reason.. + "include-conffiles" => \$options{INCLUDE_CONFFILES}, + + "X=s" => \&AddExclude, + "exclude=s" => \&AddExclude, + + "d" => \$options{D_FLAG}, + "remove-d" => \$options{D_FLAG}, + "dirs-only" => \$options{D_FLAG}, + + "r" => \$options{R_FLAG}, + "no-restart-on-upgrade" => \$options{R_FLAG}, + "no-start" => \$options{NO_START}, + + "k" => \$options{K_FLAG}, + "keep" => \$options{K_FLAG}, + + "P=s" => \$options{TMPDIR}, + "tmpdir=s" => \$options{TMPDIR}, + + "u=s", => \$options{U_PARAMS}, + "update-rcd-params=s", => \$options{U_PARAMS}, + "dpkg-shlibdeps-params=s", => \$options{U_PARAMS}, + "dpkg-gencontrol-params=s", => \$options{U_PARAMS}, + + "l=s", => \$options{L_PARAMS}, + + "m=s", => \$options{M_PARAMS}, + "major=s" => \$options{M_PARAMS}, + + "V:s", => \$options{V_FLAG}, + "version-info:s" => \$options{V_FLAG}, + + "A" => \$options{PARAMS_ALL}, + "all" => \$options{PARAMS_ALL}, + + "no-act" => \$options{NO_ACT}, + + "init-script=s" => \$options{INIT_SCRIPT}, + + "sourcedir=s" => \$options{SOURCEDIR}, + + "destdir=s" => \$options{DESTDIR}, + + "filename=s" => \$options{FILENAME}, + + "priority=i" => \$options{PRIORITY}, + + "flavor=s" => \$options{FLAVOR}, + + "autodest" => \$options{AUTODEST}, + + "h|help" => \&showhelp, + + "mainpackage=s" => \$options{MAINPACKAGE}, + + "list-missing" => \$options{LIST_MISSING}, + + "L|libpackage=s" => \$options{LIBPACKAGE}, + + "<>" => \&NonOption, + ); + + if (!$ret) { + error("unknown option; aborting"); + } + + # Check to see if -V was specified. If so, but no parameters were + # passed, the variable will be defined but empty. + if (defined($options{V_FLAG})) { + $options{V_FLAG_SET}=1; + } + + # If we have not been given any packages to act on, assume they + # want us to act on them all. Note we have to do this before excluding + # packages out, below. + if (! defined $options{DOPACKAGES} || ! @{$options{DOPACKAGES}}) { + if ($options{DOINDEP} || $options{DOARCH} || $options{DOSAME}) { + # User specified that all arch (in)dep package be + # built, and there are none of that type. + error("I have no package to build"); + } + push @{$options{DOPACKAGES}},GetPackages(); + } + + # Remove excluded packages from the list of packages to act on. + my @package_list; + my $package; + foreach $package (@{$options{DOPACKAGES}}) { + if (! $exclude_package{$package}) { + push @package_list, $package; + } + } + @{$options{DOPACKAGES}}=@package_list; + + # If there are no packages to act on now, it's an error. + if (! defined $options{DOPACKAGES} || ! @{$options{DOPACKAGES}}) { + error("I have no package to build"); + } + + if (defined $options{U_PARAMS}) { + # Split the U_PARAMS up into an array. + my $u=$options{U_PARAMS}; + undef $options{U_PARAMS}; + push @{$options{U_PARAMS}}, split(/\s+/,$u); + } + + # Anything left in @ARGV is options that appeared after a -- + # These options are added to the U_PARAMS array, while the + # non-option values we collected replace them in @ARGV; + push @{$options{U_PARAMS}}, @ARGV; + @ARGV=@{$options{ARGV}} if exists $options{ARGV}; + + return %options; +} + +sub import { + # Enable bundling of short command line options. + Getopt::Long::config("bundling"); +} + +1 diff --git a/Debian/Debhelper/Dh_Lib.pm b/Debian/Debhelper/Dh_Lib.pm new file mode 100644 index 00000000..345630d7 --- /dev/null +++ b/Debian/Debhelper/Dh_Lib.pm @@ -0,0 +1,567 @@ +#!/usr/bin/perl -w +# +# Library functions for debhelper programs, perl version. +# +# Joey Hess, GPL copyright 1997-2000. + +package Debian::Debhelper::Dh_Lib; +use strict; + +use Exporter; +use vars qw(@ISA @EXPORT %dh); +@ISA=qw(Exporter); +@EXPORT=qw(&init &doit &complex_doit &verbose_print &error &warning &tmpdir + &pkgfile &pkgext &isnative &autoscript &filearray &filedoublearray + &GetPackages &basename &dirname &xargs %dh &compat &addsubstvar + &delsubstvar &excludefile); + +my $max_compat=4; + +sub init { + # If DH_OPTIONS is set, prepend it @ARGV. + if (defined($ENV{DH_OPTIONS})) { + # Ignore leading/trailing whitespace. + $ENV{DH_OPTIONS}=~s/^\s+//; + $ENV{DH_OPTIONS}=~s/\s+$//; + unshift @ARGV,split(/\s+/,$ENV{DH_OPTIONS}); + } + + # Check to see if an argument on the command line starts with a dash. + # if so, we need to pass this off to the resource intensive + # Getopt::Long, which I'd prefer to avoid loading at all if possible. + my $parseopt=undef; + my $arg; + foreach $arg (@ARGV) { + if ($arg=~m/^-/) { + $parseopt=1; + last; + } + } + if ($parseopt) { + eval "use Debian::Debhelper::Dh_Getopt"; + error($!) if $@; + %dh=Debian::Debhelper::Dh_Getopt::parseopts(); + } + + # Another way to set excludes. + if (exists $ENV{DH_ALWAYS_EXCLUDE} && length $ENV{DH_ALWAYS_EXCLUDE}) { + push @{$dh{EXCLUDE}}, split(":", $ENV{DH_ALWAYS_EXCLUDE}); + } + + # Generate EXCLUDE_FIND. + if ($dh{EXCLUDE}) { + $dh{EXCLUDE_FIND}=''; + foreach (@{$dh{EXCLUDE}}) { + my $x=$_; + $x=escape_shell($x); + $x=~s/\./\\./g; + $dh{EXCLUDE_FIND}.="-regex .*$x.* -or "; + } + $dh{EXCLUDE_FIND}=~s/ -or $//; + } + + # Check to see if DH_VERBOSE environment variable was set, if so, + # make sure verbose is on. + if (defined $ENV{DH_VERBOSE} && $ENV{DH_VERBOSE} ne "") { + $dh{VERBOSE}=1; + } + + # Check to see if DH_NO_ACT environment variable was set, if so, + # make sure no act mode is on. + if (defined $ENV{DH_NO_ACT} && $ENV{DH_NO_ACT} ne "") { + $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}) { + $dh{MAINPACKAGE}=$allpackages[0]; + } + + # Check if packages to build have been specified, if not, fall back to + # the default, doing them all. + if (! defined $dh{DOPACKAGES} || ! @{$dh{DOPACKAGES}}) { + if ($dh{DOINDEP} || $dh{DOARCH} || $dh{DOSAME}) { + error("You asked that all arch in(dep) packages be built, but there are none of that type."); + } + push @{$dh{DOPACKAGES}},@allpackages; + } + + # Check to see if -P was specified. If so, we can only act on a single + # package. + if ($dh{TMPDIR} && $#{$dh{DOPACKAGES}} > 0) { + error("-P was specified, but multiple packages would be acted on (".join(",",@{$dh{DOPACKAGES}}).")."); + } + + # Figure out which package is the first one we were instructed to build. + # This package gets special treatement: files and directories specified on + # the command line may affect it. + $dh{FIRSTPACKAGE}=${$dh{DOPACKAGES}}[0]; +} + +# Pass it an array containing the arguments of a shell command like would +# be run by exec(). It turns that into a line like you might enter at the +# shell, escaping metacharacters and quoting arguments that contain spaces. +sub escape_shell { + my @args=@_; + my $line=""; + my @ret; + foreach my $word (@args) { + if ($word=~/\s/) { + # Escape only a few things since it will be quoted. + # Note we use double quotes because you cannot + # escape ' in single quotes, while " can be escaped + # in double. + # This does make -V"foo bar" turn into "-Vfoo bar", + # but that will be parsed identically by the shell + # anyway.. + $word=~s/([\n`\$"\\])/\\$1/g; + push @ret, "\"$word\""; + } + else { + # This list is from _Unix in a Nutshell_. (except '#') + $word=~s/([\s!"\$()*+#;<>?@\[\]\\`|~])/\\$1/g; + push @ret,$word; + } + } + return join(' ', @ret); +} + +# Run a command, and display the command to stdout if verbose mode is on. +# All commands that modifiy files in $TMP should be ran via this +# function. +# +# Note that this cannot handle complex commands, especially anything +# involving redirection. Use complex_doit instead. +sub doit { + verbose_print(escape_shell(@_)); + + if (! $dh{NO_ACT}) { + my $ret=system(@_); + $ret == 0 || error("command returned error code $ret"); + } +} + +# Run a command and display the command to stdout if verbose mode is on. +# Use doit() if you can, instead of this function, because this function +# forks a shell. However, this function can handle more complicated stuff +# like redirection. +sub complex_doit { + verbose_print(join(" ",@_)); + + if (! $dh{NO_ACT}) { + # The join makes system get a scalar so it forks off a shell. + system(join(" ",@_)) == 0 + || error("command returned error code"); + } +} + +# Run a command that may have a huge number of arguments, like xargs does. +# Pass in a reference to an array containing the arguments, and then other +# parameters that are the command and any parameters that should be passed to +# it each time. +sub xargs { + my $args=shift; + + # The kernel can accept command lines up to 20k worth of characters. + my $command_max=20000; # LINUX SPECIFIC!! + # I could use POSIX::ARG_MAX, but that would be slow. + + # Figure out length of static portion of command. + my $static_length=0; + foreach (@_) { + $static_length+=length($_)+1; + } + + my @collect=(); + my $length=$static_length; + foreach (@$args) { + if (length($_) + 1 + $static_length > $command_max) { + error("This command is greater than the maximum command size allowed by the kernel, and cannot be split up further. What on earth are you doing? \"@_ $_\""); + } + $length+=length($_) + 1; + if ($length < $command_max) { + push @collect, $_; + } + else { + doit(@_,@collect) if $#collect > -1; + @collect=($_); + $length=$static_length + length($_) + 1; + } + } + doit(@_,@collect) if $#collect > -1; +} + +# Print something if the verbose flag is on. +sub verbose_print { + my $message=shift; + + if ($dh{VERBOSE}) { + print "\t$message\n"; + } +} + +# Output an error message and exit. +sub error { + my $message=shift; + + warning($message); + exit 1; +} + +# Output a warning. +sub warning { + my $message=shift; + + print STDERR basename($0).": $message\n"; +} + +# Returns the basename of the argument passed to it. +sub basename { + my $fn=shift; + + $fn=~s/\/$//g; # ignore trailing slashes + $fn=~s:^.*/(.*?)$:$1:; + return $fn; +} + +# Returns the directory name of the argument passed to it. +sub dirname { + my $fn=shift; + + $fn=~s/\/$//g; # ignore trailing slashes + $fn=~s:^(.*)/.*?$:$1:; + return $fn; +} + +# Pass in a number, will return true iff the current compatibility level +# is less than or equal to that number. +sub compat { + my $num=shift; + + my $c=1; + if (defined $ENV{DH_COMPAT}) { + $c=$ENV{DH_COMPAT}; + } + elsif (-e 'debian/compat') { + # Try the file.. + open (COMPAT_IN, "debian/compat") || error "debian/compat: $!"; + $c=<COMPAT_IN>; + chomp $c; + } + + if ($c > $max_compat) { + error("Sorry, but $max_compat is the highest compatibility level of debhelper currently supported."); + } + + return ($c <= $num); +} + +# Pass it a name of a binary package, it returns the name of the tmp dir to +# use, for that package. +sub tmpdir { + my $package=shift; + + if ($dh{TMPDIR}) { + return $dh{TMPDIR}; + } + elsif (compat(1) && $package eq $dh{MAINPACKAGE}) { + # This is for back-compatibility with the debian/tmp tradition. + return "debian/tmp"; + } + else { + return "debian/$package"; + } +} + +# Pass this the name of a binary package, and the name of the file wanted +# for the package, and it will return the actual existing filename to use. +# +# It tries several filenames: +# * debian/package.filename.buildarch +# * debian/package.filename +# * debian/file (if the package is the main package) +sub pkgfile { + my $package=shift; + my $filename=shift; + + if (-f "debian/$package.$filename.".buildarch()) { + return "debian/$package.$filename.".buildarch(); + } + elsif (-f "debian/$package.$filename") { + return "debian/$package.$filename"; + } + elsif ($package eq $dh{MAINPACKAGE} && -f "debian/$filename") { + return "debian/$filename"; + } + else { + return ""; + } +} + +# Pass it a name of a binary package, it returns the name to prefix to files +# in debian for this package. +sub pkgext { + my $package=shift; + + if (compat(1) and $package eq $dh{MAINPACKAGE}) { + return ""; + } + return "$package."; +} + +# Returns 1 if the package is a native debian package, null otherwise. +# As a side effect, sets $dh{VERSION} to the version of this package. +{ + # Caches return code so it only needs to run dpkg-parsechangelog once. + my %isnative_cache; + + sub isnative { + my $package=shift; + + return $isnative_cache{$package} if defined $isnative_cache{$package}; + + # Make sure we look at the correct changelog. + my $isnative_changelog=pkgfile($package,"changelog"); + if (! $isnative_changelog) { + $isnative_changelog="debian/changelog"; + } + # Get the package version. + my $version=`dpkg-parsechangelog -l$isnative_changelog`; + ($dh{VERSION})=$version=~m/Version:\s*(.*)/m; + # Did the changelog parse fail? + if (! defined $dh{VERSION}) { + error("changelog parse failure"); + } + + # Is this a native Debian package? + if ($dh{VERSION}=~m/.*-/) { + return $isnative_cache{$package}=0; + } + else { + return $isnative_cache{$package}=1; + } + } +} + +# Automatically add a shell script snippet to a debian script. +# Only works if the script has #DEBHELPER# in it. +# +# Parameters: +# 1: package +# 2: script to add to +# 3: filename of snippet +# 4: sed to run on the snippet. Ie, s/#PACKAGE#/$PACKAGE/ +sub autoscript { + my $package=shift; + my $script=shift; + my $filename=shift; + my $sed=shift || ""; + + # This is the file we will append to. + my $outfile="debian/".pkgext($package)."$script.debhelper"; + + # Figure out what shell script snippet to use. + my $infile; + if (defined($ENV{DH_AUTOSCRIPTDIR}) && + -e "$ENV{DH_AUTOSCRIPTDIR}/$filename") { + $infile="$ENV{DH_AUTOSCRIPTDIR}/$filename"; + } + else { + if (-e "/usr/share/debhelper/autoscripts/$filename") { + $infile="/usr/share/debhelper/autoscripts/$filename"; + } + else { + error("/usr/share/debhelper/autoscripts/$filename does not exist"); + } + } + + complex_doit("echo \"# Automatically added by ".basename($0)."\">> $outfile"); + complex_doit("sed \"$sed\" $infile >> $outfile"); + complex_doit("echo '# End automatically added section' >> $outfile"); +} + +# Removes a whole substvar line. +sub delsubstvar { + my $package=shift; + my $substvar=shift; + + my $ext=pkgext($package); + my $substvarfile="debian/${ext}substvars"; + + if (-e $substvarfile) { + complex_doit("grep -s -v '^${substvar}=' $substvarfile > $substvarfile.new || true"); + doit("mv", "$substvarfile.new","$substvarfile"); + } +} + +# Adds a dependency on some package to the specified +# substvar in a package's substvar's file. +sub addsubstvar { + my $package=shift; + my $substvar=shift; + my $deppackage=shift; + my $verinfo=shift; + my $remove=shift; + + my $ext=pkgext($package); + my $substvarfile="debian/${ext}substvars"; + my $str=$deppackage; + $str.=" ($verinfo)" if defined $verinfo && length $verinfo; + + # Figure out what the line will look like, based on what's there + # now, and what we're to add or remove. + my $line=""; + if (-e $substvarfile) { + my %items; + open(SUBSTVARS_IN, "$substvarfile") || error "read $substvarfile: $!"; + while (<SUBSTVARS_IN>) { + chomp; + if (/^\Q$substvar\E=(.*)/) { + %items = map { $_ => 1} split(", ", $1); + + last; + } + } + close SUBSTVARS_IN; + if (! $remove) { + $items{$str}=1; + } + else { + delete $items{$str}; + } + $line=join(", ", keys %items); + } + elsif (! $remove) { + $line=$str; + } + + if (length $line) { + complex_doit("(grep -s -v ${substvar} $substvarfile; echo ".escape_shell("${substvar}=$line").") > $substvarfile.new"); + doit("mv", "$substvarfile.new", $substvarfile); + } + else { + delsubstvar($package,$substvar); + } +} + +# Reads in the specified file, one line at a time. splits on words, +# and returns an array of arrays of the contents. +# If a value is passed in as the second parameter, then glob +# expansion is done in the directory specified by the parameter ("." is +# frequently a good choice). +sub filedoublearray { + my $file=shift; + my $globdir=shift; + + my @ret; + open (DH_FARRAY_IN, $file) || error("cannot read $file: $1"); + while (<DH_FARRAY_IN>) { + my @line; + # Only do glob expansion in v3 mode. + # + # 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/$_" } split) { + s#^$globdir/##; + push @line, $_; + } + } + else { + @line = split; + } + push @ret, [@line]; + } + close DH_FARRAY_IN; + + return @ret; +} + +# Reads in the specified file, one word at a time, and returns an array of +# the result. Can do globbing as does filedoublearray. +sub filearray { + return map { @$_ } filedoublearray(@_); +} + +# Passed a filename, returns true if -X says that file should be excluded. +sub excludefile { + my $filename = shift; + foreach my $f (@{$dh{EXCLUDE}}) { + return 1 if $filename =~ /\Q$f\E/; + } + return 0; +} + +# Returns the build architecture. (Memoized) +{ + my $arch; + + sub buildarch { + return $arch if defined $arch; + + $arch=`dpkg-architecture -qDEB_HOST_ARCH 2>/dev/null` || error($!); + chomp $arch; + return $arch; + } +} + +# Returns a list of packages in the control file. +# Must pass "arch" or "indep" or "same" to specify arch-dependant or +# -independant or same arch packages. If nothing is specified, returns all +# packages. +sub GetPackages { + my $type=shift; + + $type="" if ! defined $type; + + # Look up the build arch if we need to. + my $buildarch=''; + if ($type eq 'same') { + $buildarch=buildarch(); + } + + my $package=""; + my $arch=""; + my @list=(); + my %seen; + open (CONTROL, 'debian/control') || + error("cannot read debian/control: $!\n"); + while (<CONTROL>) { + chomp; + s/\s+$//; + if (/^Package:\s*(.*)/) { + $package=$1; + # Detect duplicate package names in the same control file. + if (! $seen{$package}) { + $seen{$package}=1; + } + else { + error("debian/control has a duplicate entry for $package"); + } + } + if (/^Architecture:\s*(.*)/) { + $arch=$1; + } + + if (!$_ or eof) { # end of stanza. + if ($package && + (($type eq 'indep' && $arch eq 'all') || + ($type eq 'arch' && $arch ne 'all') || + ($type eq 'same' && ($arch eq 'any' || $arch =~ /\b$buildarch\b/)) || + ! $type)) { + push @list, $package; + $package=""; + $arch=""; + } + } + } + close CONTROL; + + return @list; +} + +1 |