116 lines
3.4 KiB
Perl
116 lines
3.4 KiB
Perl
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#!/usr/bin/perl
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# A script to allow Bash or Z-Shell to complete an Ant command-line.
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#
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# To install for Bash 2.0 or better, add the following to ~/.bashrc:
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#
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# complete -C complete-ant-cmd.pl ant build.sh
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#
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# To install for Z-Shell 2.5 or better, add the following to ~/.zshrc:
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#
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# function ant_complete () {
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# local args_line args
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# read -l args_line
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# set -A args $args_line
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# set -A reply $(COMP_LINE=$args_line complete-ant-cmd.pl ${args[1]} $1)
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# }
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# compctl -K ant_complete ant build.sh
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my $cmdLine = "$ENV{'ANT_ARGS'} $ENV{'COMP_LINE'}";
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my $antCmd = $ARGV[0];
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my $word = $ARGV[1];
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my @completions;
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if ($word =~ /^-/) {
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list( restrict( $word, getArguments() ));
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} elsif ($cmdLine =~ /-(f|file|buildfile)\s+\S*$/) {
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list( getBuildFiles($word) );
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} else {
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list( restrict( $word, getTargets() ));
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}
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exit(0);
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sub list {
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for (@_) {
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print "$_\n";
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}
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}
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sub restrict {
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my ($word, @completions) = @_;
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grep( /^\Q$word\E/, @completions );
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}
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sub getArguments {
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qw(-buildfile -debug -emacs -f -file -find -help -listener -logfile
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-logger -projecthelp -quiet -verbose -version);
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}
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sub getBuildFiles {
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my ($word) = @_;
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grep( /\.xml$/, glob( "$word*" ));
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}
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sub getTargets {
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# Look for build-file
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my $buildFile = 'build.xml';
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if ($cmdLine =~ /-(f|file|buildfile)\s+(\S+)(?!.*\s-(f|file|buildfile)\s)/) {
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$buildFile = $2;
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}
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return () unless (-f $buildFile);
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# Run "ant -projecthelp -debug" to list targets (-debug is required to get
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# "Other targets", i.e. targets without a description). Keep a cache of
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# results in a cache-file.
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my $cacheFile = $buildFile;
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$cacheFile =~ s|(.*/)?(.*)|${1}.ant-targets-${2}|;
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if ((!-e $cacheFile) || (-z $cacheFile) || (-M $buildFile) < (-M $cacheFile)) {
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open( CACHE, '>'.$cacheFile ) || die "can\'t write $cacheFile: $!\n";
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open( HELP, "$antCmd -projecthelp -debug -buildfile '$buildFile'|" ) || return();
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my %targets;
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while( <HELP> ) {
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# Exclude target names starting with dash, because they cannot be
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# specified on the command line.
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if (/^\s+\+Target:\s+(?!-)(\S+)/) {
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$targets{$1}++;
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}
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}
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my @targets = sort keys %targets;
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for (@targets) { print CACHE "$_\n"; }
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return @targets;
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}
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# Read the target-cache
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open( CACHE, $cacheFile ) || die "can\'t read $cacheFile: $!\n";
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my @targets;
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while (<CACHE>) {
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chop;
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s/\r$//; # for Cygwin
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push( @targets, $_ );
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}
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close( CACHE );
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@targets;
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}
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