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#!/usr/bin/perl -w
=head1 NAME
dh_install - install files into package build directories
=cut
use strict;
use File::Find;
use Debian::Debhelper::Dh_Lib;
=head1 SYNOPSIS
B<dh_install> [B<-X>I<item>] [B<--autodest>] [B<--sourcedir=>I<dir>] [S<I<debhelper options>>] [S<I<file|dir> ... I<destdir>>]
=head1 DESCRIPTION
B<dh_install> is a debhelper program that handles installing files into package
build directories. There are many B<dh_install>I<*> commands that handle installing
specific types of files such as documentation, examples, man pages, and so on,
and they should be used when possible as they often have extra intelligence for
those particular tasks. B<dh_install>, then, is useful for installing everything
else, for which no particular intelligence is needed. It is a replacement for
the old B<dh_movefiles> command.
This program may be used in one of two ways. If you just have a file or two
that the upstream Makefile does not install for you, you can run B<dh_install>
on them to move them into place. On the other hand, maybe you have a large
package that builds multiple binary packages. You can use the upstream
F<Makefile> to install it all into F<debian/tmp>, and then use B<dh_install> to copy
directories and files from there into the proper package build directories.
From debhelper compatibility level 7 on, B<dh_install> will fall back to
looking in F<debian/tmp> for files, if it doesn't find them in the current
directory (or whereever you've told it to look using B<--sourcedir>).
=head1 FILES
=over 4
=item debian/I<package>.install
List the files to install into each package and the directory they should be
installed to. The format is a set of lines, where each line lists a file or
files to install, and at the end of the line tells the directory it should be
installed in. The name of the files (or directories) to install should be given
relative to the current directory, while the installation directory is given
relative to the package build directory. You may use wildcards in the names of
the files to install (in v3 mode and above).
Note that if you list exactly one filename or wildcard-pattern on a line by
itself, with no explicit destination, then B<dh_install>
will automatically guess the destination to use, the same as if the
--autodest option were used.
=back
=head1 OPTIONS
=over 4
=item B<--list-missing>
This option makes B<dh_install> keep track of the files it installs, and then at
the end, compare that list with the files in the source directory. If any of
the files (and symlinks) in the source directory were not installed to
somewhere, it will warn on stderr about that.
This may be useful if you have a large package and want to make sure that
you don't miss installing newly added files in new upstream releases.
Note that files that are excluded from being moved via the B<-X> option are not
warned about.
=item B<--fail-missing>
This option is like B<--list-missing>, except if a file was missed, it will
not only list the missing files, but also fail with a nonzero exit code.
=item B<-X>I<item>, B<--exclude=>I<item>
Exclude files that contain I<item> anywhere in their filename from
being installed.
=item B<--sourcedir=>I<dir>
Look in the specified directory for files to be installed.
Note that this is not the same as the B<--sourcedirectory> option used
by the B<dh_auto_>I<*> commands. You rarely need to use this option, since
B<dh_install> automatically looks for files in F<debian/tmp> in debhelper
compatibility level 7 and above.
=item B<--autodest>
Guess as the destination directory to install things to. If this is
specified, you should not list destination directories in
F<debian/package.install> files or on the command line. Instead, B<dh_install>
will guess as follows:
Strip off F<debian/tmp> (or the sourcedir if one is given) from the front of
the filename, if it is present, and install into the dirname of the
filename. So if the filename is F<debian/tmp/usr/bin>, then that directory
will be copied to F<debian/package/usr/>. If the filename is
F<debian/tmp/etc/passwd>, it will be copied to F<debian/package/etc/>.
=item I<file|dir> ... I<destdir>
Lists files (or directories) to install and where to install them to.
The files will be installed into the first package F<dh_install> acts on.
=back
=cut
init(options => {
"autodest" => \$dh{AUTODEST},
"list-missing" => \$dh{LIST_MISSING},
"fail-missing" => \$dh{FAIL_MISSING},
"sourcedir=s" => \$dh{SOURCEDIR},
});
my @installed;
my $srcdir = '.';
$srcdir = $dh{SOURCEDIR} if defined $dh{SOURCEDIR};
# PROMISE: DH NOOP WITHOUT install
foreach my $package (getpackages()) {
# Look at the install files for all packages to handle
# list-missing/fail-missing, but skip really installing for
# packages that are not being acted on.
my $skip_install=! grep { $_ eq $package } @{$dh{DOPACKAGES}};
my $tmp=tmpdir($package);
my $file=pkgfile($package,"install");
my @install;
if ($file) {
@install=filedoublearray($file); # no globbing here; done below
}
if (($package eq $dh{FIRSTPACKAGE} || $dh{PARAMS_ALL}) && @ARGV) {
push @install, [@ARGV];
}
# Support for -X flag.
my $exclude = '';
if ($dh{EXCLUDE_FIND}) {
$exclude = '! \( '.$dh{EXCLUDE_FIND}.' \)';
}
foreach my $set (@install) {
my $dest;
my $tmpdest=0;
if (! defined $dh{AUTODEST} && @$set > 1) {
$dest=pop @$set;
}
my @filelist;
foreach my $glob (@$set) {
my @found = glob "$srcdir/$glob";
if (! compat(6)) {
# Fall back to looking in debian/tmp.
if (! @found || ! (-e $found[0] || -l $found[0])) {
@found = glob "debian/tmp/$glob";
}
}
push @filelist, @found;
}
if (! compat(4)) { # check added in v5
if (! @filelist && ! $skip_install) {
error("$package missing files (@$set), aborting");
}
}
foreach my $src (@filelist) {
next if excludefile($src);
push @installed, $src;
next if $skip_install;
if (! defined $dest) {
# Guess at destination directory.
$dest=$src;
$dest=~s/^(.*\/)?\Q$srcdir\E\///;
$dest=~s/^(.*\/)?debian\/tmp\///;
$dest=dirname("/".$dest);
$tmpdest=1;
}
# Make sure the destination directory exists.
if (! -e "$tmp/$dest") {
doit("install","-d","$tmp/$dest");
}
if (-d $src && $exclude) {
my $basename = basename($src);
my $dir = ($basename eq '.') ? $src : "$src/..";
my $pwd=`pwd`;
chomp $pwd;
complex_doit("cd '$dir' && find '$basename' $exclude \\( -type f -or -type l \\) -print0 | xargs -0 -I {} cp --parents -dp {} $pwd/$tmp/$dest/");
# cp is annoying so I need a separate pass
# just for empty directories
complex_doit("cd '$dir' && find '$basename' $exclude \\( -type d -and -empty \\) -print0 | xargs -0 -I {} cp --parents -a {} $pwd/$tmp/$dest/");
}
else {
doit("cp", "-a", $src, "$tmp/$dest/");
}
if ($tmpdest) {
$dest=undef;
}
}
}
}
if ($dh{LIST_MISSING} || $dh{FAIL_MISSING}) {
# . as srcdir makes no sense, so this is a special case.
if ($srcdir eq '.') {
$srcdir='debian/tmp';
}
my @missing;
my $installed=join("|", map {
# Kill any extra slashes, for robustness.
y:/:/:s;
s:/+$::;
s:^(\./)*::;
"\Q$_\E\/.*|\Q$_\E";
} @installed);
$installed=qr{^($installed)$};
find(sub {
-f || -l || return;
$_="$File::Find::dir/$_";
if (! /$installed/ && ! excludefile($_)) {
my $file=$_;
$file=~s/^\Q$srcdir\E\///;
push @missing, $file;
}
}, $srcdir);
if (@missing) {
warning "$_ exists in $srcdir but is not installed to anywhere" foreach @missing;
if ($dh{FAIL_MISSING}) {
error("missing files, aborting");
}
}
}
=head1 LIMITATIONS
B<dh_install> cannot rename files or directories, it can only install them
with the names they already have into wherever you want in the package
build tree.
=head1 SEE ALSO
L<debhelper(7)>
This program is a part of debhelper.
=head1 AUTHOR
Joey Hess <joeyh@debian.org>
=cut