diff options
Diffstat (limited to 'dh')
| -rwxr-xr-x | dh | 53 |
1 files changed, 53 insertions, 0 deletions
@@ -67,6 +67,9 @@ List all available addons. Prints commands that would run for a given sequence, but does not run them. +Note that dh normally skips running commands that it knows will do nothing. +With --no-act, the full list of commands in a sequence is printed. + =back Other options passed to B<dh> are passed on to each command it runs. This @@ -545,6 +548,7 @@ my @packages=@{$dh{DOPACKAGES}}; # Get the options to pass to commands in the sequence. # Filter out options intended only for this program. my @options; +my $user_specified_options=0; if ($sequence eq 'build-arch' || $sequence eq 'install-arch' || $sequence eq 'binary-arch') { @@ -573,8 +577,10 @@ while (@ARGV_orig) { } elsif ($opt=~/^-/) { push @options, "-O".$opt; + $user_specified_options=1; } elsif (@options) { + $user_specified_options=1; if ($options[$#options]=~/^-O--/) { $options[$#options].="=".$opt; } @@ -668,6 +674,8 @@ foreach my $i (0..$stoppoint) { } next unless @todo; + next if can_skip($command, @todo) && ! $dh{NO_ACT}; + # No need to run the command for any packages handled by the # override targets. my %todo=map { $_ => 1 } @todo; @@ -900,6 +908,51 @@ sub command_pos { } } +my %skipinfo; +sub can_skip { + my $command=shift; + my @packages=@_; + + return 0 if $user_specified_options; + + if (! defined $skipinfo{$command}) { + $skipinfo{$command}=[extract_skipinfo($command)]; + } + my @skipinfo=@{$skipinfo{$command}}; + return 0 unless @skipinfo; + + foreach my $package (@packages) { + foreach my $skipinfo (@skipinfo) { + if ($skipinfo=~/^tmp(.*)$/) { + my $need=$1; + my $tmp=tmpdir($package); + return 0 if -e "$tmp/$need"; + } + elsif (pkgfile($package, $skipinfo) ne '') { + return 0; + } + } + } + return 1; +} + +sub extract_skipinfo { + my $command=shift; + + foreach my $dir (split (':', $ENV{PATH})) { + if (open (my $h, "<", "$dir/$command")) { + while (<$h>) { + if (m/PROMISE: DH NOOP WITHOUT\s+(.*)/) { + close $h; + return split(' ', $1); + } + } + close $h; + return (); + } + } +} + =head1 SEE ALSO L<debhelper(7)> |