1 | #!/usr/bin/perl -w
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2 |
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3 | # $Id$
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4 |
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5 | use strict;
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6 |
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7 | use Env qw($DASSCM_PROD $DASSCM_REPO);
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8 | use Cwd;
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9 | use File::Basename;
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10 | use File::stat;
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11 | use File::Path;
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12 | use File::Copy;
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13 | #use POSIX qw/getpgrp tcgetpgrp/;
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14 |
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15 | # global
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16 | my $SVN = "svn ";
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17 |
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18 | # util functions
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19 | sub usage()
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20 | {
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21 | print "dasscm is intended to help versioning configuration files\n";
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22 | }
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23 |
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24 | sub check_env()
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25 | {
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26 | # DASSCM_PROD
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27 | if ( ! $DASSCM_PROD ) {
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28 | $DASSCM_PROD = "/";
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29 | }
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30 | print "DASSCM_PROD: ".$DASSCM_PROD."\n";
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31 | if ( ! -d $DASSCM_PROD ) {
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32 | die "DASSCM_PROD is not set to a directory.\n";
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33 | }
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34 |
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35 | # DASSCM_REPO
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36 | if ( ! $DASSCM_REPO ) {
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37 | die "Envirnonment variable DASSCM_REPO not set.\nSet DASSCM_REPO to the directory of the versioning system checkout for this machine.";
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38 | }
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39 | print "DASSCM_REPO: ".$DASSCM_REPO."\n";
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40 | if ( ! -d $DASSCM_REPO ) {
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41 | die "DASSCM_REPO must be is not set to the directory of the versioning system checkout for this machine.\n";
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42 | }
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43 |
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44 | }
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45 |
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46 | sub check_parameter(@)
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47 | {
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48 | }
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49 |
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50 | sub get_filenames(@)
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51 | {
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52 | my $filename_prod = $_[0];
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53 | if ( !($filename_prod =~ m/^\//) ) {
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54 | $filename_prod = cwd()."/".$filename_prod;
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55 | }
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56 |
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57 | -r $filename_prod or die "$filename_prod is not accessable";
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58 |
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59 | # TODO: dirname buggy: eg. "/etc/" is reduced to "/",
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60 | # "/etc" is used as filename
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61 | my $dirname_prod = dirname($filename_prod);
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62 | chdir $dirname_prod or die $!;
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63 | $dirname_prod = cwd();
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64 | my $basename = basename($filename_prod);
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65 |
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66 | print "dir: ".$dirname_prod."\n";
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67 | print "fn: ".$basename."\n";
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68 |
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69 | my $dirname_repo = $DASSCM_REPO."/".$dirname_prod;
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70 | my $filename_repo = "$dirname_repo/$basename";
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71 |
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72 | return ($basename,$dirname_prod,$dirname_repo,$filename_prod,$filename_repo);
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73 | }
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74 |
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75 | sub run_command
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76 | {
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77 | my $command = shift;
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78 |
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79 | #print "executing command: " . $command . "\n";
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80 |
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81 | open(RESULT, $command . ' 2>&1 |' );
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82 | my @result = <RESULT>;
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83 | close(RESULT);
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84 | my $retcode = $?>>8;
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85 |
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86 | #print @result;
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87 | #if( $retcode ) { print "return code: " . $retcode . "\n"; }
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88 |
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89 | return($retcode, @result);
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90 | }
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91 |
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92 |
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93 |
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94 | # functions
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95 |
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96 | sub help(;@)
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97 | {
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98 | print "help for @_\n";
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99 | }
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100 |
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101 | sub add(@)
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102 | {
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103 | check_parameter(@_,1);
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104 | check_env();
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105 |
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106 | (my $basename, my $dirname_prod, my $dirname_repo, my $filename_prod, my $filename_repo) = get_filenames($_[0]);
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107 |
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108 | mkpath($dirname_repo);
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109 |
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110 | # update complete repository
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111 | (my $retcode, my @result)=run_command( "$SVN update $DASSCM_REPO" );
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112 | if( $retcode != 0 ) {
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113 | print @result;
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114 | die;
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115 | }
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116 |
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117 | copy( $filename_prod, $filename_repo ) or die $!;
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118 |
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119 | # already checked in?
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120 | chdir($DASSCM_REPO);
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121 | # also add the path to filename.
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122 | for my $dir (split('/', $dirname_prod) ) {
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123 | if( $dir ) {
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124 | run_command( "$SVN add --non-recursive $dir" );
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125 | chdir $dir;
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126 | }
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127 | }
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128 | run_command( "$SVN add $basename" );
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129 |
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130 | # commit calls $EDITOR. uses "system" here, to display output
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131 | system( "$SVN commit $DASSCM_REPO" );
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132 | # TODO: commit (-m)
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133 |
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134 | print $filename_prod."\n";
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135 | print $dirname_repo."\n";
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136 | }
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137 |
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138 | sub commit(@)
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139 | {
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140 | check_parameter(@_,1);
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141 | check_env();
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142 |
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143 | (my $basename, my $dirname_prod, my $dirname_repo, my $filename_prod, my $filename_repo) = get_filenames($_[0]);
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144 |
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145 | (my $rc_update, my @result)=run_command( "$SVN update $filename_repo" );
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146 | if( $rc_update != 0 ) {
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147 | print @result;
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148 | die;
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149 | }
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150 |
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151 | # commit calls $EDITOR. uses "system" here, to display output
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152 | system( "$SVN commit $DASSCM_REPO" );
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153 | # TODO: commit (-m)
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154 | }
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155 |
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156 | sub diff(@)
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157 | {
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158 | check_parameter(@_,1);
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159 | check_env();
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160 |
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161 | (my $basename, my $dirname_prod, my $dirname_repo, my $filename_prod, my $filename_repo) = get_filenames($_[0]);
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162 |
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163 | #print "$basename,$dirname_prod,$dirname_repo\n";
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164 |
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165 | (my $rc_update, my @result)=run_command( "$SVN update $filename_repo" );
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166 | if( $rc_update != 0 ) {
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167 | print @result;
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168 | die;
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169 | }
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170 |
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171 | (my $rc_diff, my @diff)=run_command( "diff $filename_repo $filename_prod" );
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172 | print @diff;
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173 | }
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174 |
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175 | # main
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176 |
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177 | my $number_arguments = @ARGV;
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178 | #print "$number_arguments\n";
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179 |
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180 | if ($number_arguments > 0) {
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181 | my $command = $ARGV[0];
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182 | shift @ARGV;
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183 | #$command =~ s/[A-Z]/[a-z]/m;
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184 | #print "$command\n";
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185 |
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186 | $_=$command;
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187 | if (m/help/i) {
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188 | help(@ARGV);
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189 | } elsif (m/add/i) {
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190 | add(@ARGV);
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191 | } elsif (m/commit/i) {
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192 | commit(@ARGV);
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193 | } elsif (m/diff/i) {
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194 | diff(@ARGV);
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195 | } elsif (m/activate/i) {
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196 | activate(@ARGV);
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197 | } else {
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198 | usage();
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199 | check_env();
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200 | }
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201 | }
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