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