root/trunk/gsdl/bin/script/build @ 1452

Revision 1452, 8.2 KB (checked in by sjboddie, 19 years ago)

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Line 
1#!/usr/bin/perl
2
3# This perl script may be called directly or by running build.bat on
4# windows (build.bat is in bin\windows)
5
6use FileHandle;
7
8BEGIN {
9
10    die "GSDLHOME not set - did you remember to source setup.bash (unix) or " .
11    "run setup.bat (windows)?\n" unless defined $ENV{'GSDLHOME'};
12    die "GSDLOS not set - did you remember to source setup.bash (unix) or " .
13    "run setup.bat (windows)?\n" unless defined $ENV{'GSDLOS'};
14    unshift (@INC, "$ENV{'GSDLHOME'}/perllib");
15
16    STDOUT->autoflush(1);
17    STDERR->autoflush(1);
18}
19
20use parsargv;
21use util;
22
23if (!parsargv::parse(\@ARGV,
24             'append', \$append,
25             'remove_archives', \$remove_archives,
26             'remove_import', \$remove_import,
27             'buildtype/^(build|import)$/import', \$buildtype,
28             'maxdocs/^\-?\d+/-1', \$maxdocs,
29             'download/.+', \@download,
30             'out/.*/STDERR', \$out)) {
31   
32    &print_usage();
33    die "\n";
34}
35
36my ($collection) = @ARGV;
37
38if (!defined $collection || $collection !~ /\w/) {
39    print STDERR "You must specify a collection to build\n";
40    &print_usage();
41    die "\n";
42}
43
44if ($maxdocs == -1) {
45    $maxdocs = "";
46} else {
47    $maxdocs = "-maxdocs $maxdocs";
48}
49
50my $collectdir = &util::filename_cat ($ENV{'GSDLHOME'}, "collect", $collection);
51my $importdir = &util::filename_cat ($collectdir, "import");
52my $archivedir = &util::filename_cat ($collectdir, "archives");
53my $buildingdir = &util::filename_cat ($collectdir, "building");
54my $indexdir = &util::filename_cat ($collectdir, "index");
55my $bindir = &util::filename_cat ($ENV{'GSDLHOME'}, "bin");
56
57my $use_out = 0;
58my $outfile = $out;
59if ($out !~ /^(STDERR|STDOUT)$/i) {
60    open (OUT, ">$out") || die "Couldn't open output file $out\n";
61    $out = "OUT";
62   
63    # delete any existing .final file
64    &util::rm ("$outfile.final") if -e "$outfile.final";
65
66    $use_out = 1;
67}
68$out->autoflush(1);
69
70&main();
71
72close OUT if $use_out;
73
74sub print_usage {
75    print STDERR "\n  usage: $0 [options] collection-name\n\n";
76    print STDERR "  options:\n";
77    print STDERR "   -append                 Add new files to existing collection\n";
78    print STDERR "   -remove_archives        Remove archives directory after successfully\n";
79    print STDERR "                           building the collection.\n";
80    print STDERR "   -remove_import          Remove import directory after successfully\n";
81    print STDERR "                           importing the collection.\n";
82    print STDERR "   -buildtype build|import If 'build' attempt to build directly\n";
83    print STDERR "                           from archives directory (bypassing import\n";
84    print STDERR "                           stage). Defaults to 'import'\n";
85    print STDERR "   -maxdocs number         Maximum number of documents to build\n";
86    print STDERR "   -download directory     Directory (or file) to get import documents from.\n";
87    print STDERR "                           There may be multiple download directories and they\n";
88    print STDERR "                           may be of type http://, ftp://, or file://\n.";
89    print STDERR "                           Note that any existing import directory will be\n";
90    print STDERR "                           deleted to make way for the downloaded data if\n";
91    print STDERR "                           a -download option is supplied\n";
92    print STDERR "   -out                    Filename or handle to print output status to.\n";
93    print STDERR "                           The default is STDERR\n\n";
94}
95
96sub main {
97   
98    # do the download thing if we have any -download options
99    if (scalar (@download)) {
100    # remove any existing import data
101    if (&has_content ($importdir)) {
102        print $out "build: WARNING: removing contents of $importdir\n";
103        &util::rm_r ($importdir);
104    }
105
106    foreach $download_dir (@download) {
107       
108        if ($download_dir =~ /^http:\/\//) {
109        # http download
110
111        } elsif ($download_dir =~ /^ftp:\/\//) {
112        # ftp download
113
114        } else {
115        # we assume anything not beginning with http:// or ftp://
116        # is a file or directory on the local file system.
117        $download_dir =~ s/^file:\/\///;
118       
119        if (-e $download_dir) {
120            # copy download_dir and all it contains to the import directory
121            my $download_cmd = "perl " . &util::filename_cat ($bindir, "script", "filecopy.pl");
122            $download_cmd .= " -out \"$outfile.download\"" if $use_out;
123            $download_cmd .= " \"" . $download_dir . "\" " . $collection;
124            system ($download_cmd);
125            # if using output directory append the file download output to it
126            &append_file ($out, "$outfile.download");
127        } else {
128            print $out "WARNING: $download_dir does not exist\n";
129        }
130        }
131    }
132    }
133
134    if (-e &util::filename_cat ($archivedir, "archives.inf")) {
135    if (&has_content ($importdir)) {
136        if ($buildtype eq "build") {
137        &gsdl_build();
138        } else {
139        &gsdl_import();
140        &gsdl_build();
141        }
142    } else {
143        # there are archives but no import, build directly from archives
144        print $out "build: no import material was found, building directly\n";
145        print $out "       from archives\n";
146        &gsdl_build();
147    }
148    } else {
149    if (&has_content ($importdir)) {
150        if ($buildtype eq "build") {
151        print $out "build: can't build directly from archives as no\n";
152        print $out "       imported archives exist (did you forget to\n";
153        print $out "       move the contents of $collection/import to\n";
154        print $out "       collection/archives?)\n";
155        }
156        &gsdl_import();
157        &gsdl_build();
158    } else {
159        # no import or archives
160        print $out "build: ERROR: The $collection collection has no import\n";
161        print $out "       or archives data. Try downloading an unbuilt version\n";
162        print $out "       of the collection from www.nzdl.org\n";
163        &final_out (1) if $use_out;
164        die "\n";
165    }
166    }
167    &final_out (0) if $use_out;
168}
169
170sub gsdl_import {
171
172    print $out "importing the $collection collection\n\n";
173
174    my $import_cmd = "perl " . &util::filename_cat ($bindir, "script", "import.pl");
175    $import_cmd .= " -out \"$outfile.import\"" if $use_out;
176    $import_cmd .= " -removeold" unless $append;
177    $import_cmd .= " $maxdocs $collection";
178    system ($import_cmd);
179    # if using output directory append the import output to it
180    &append_file ($out, "$outfile.import");
181
182    if (-e &util::filename_cat ($archivedir, "archives.inf")) {
183    print $out "$collection collection imported successfully\n\n";
184    if ($remove_import) {
185        print $out "removing import directory ($importdir)\n";
186        &util::rm_r ($importdir);
187    }
188    } else {
189    &final_out (2) if $use_out;
190    die "\nimport.pl failed\n";
191    }
192}
193
194sub gsdl_build {
195
196    print $out "building the $collection collection\n\n";
197
198    my $build_cmd = "perl " . &util::filename_cat ($bindir, "script", "buildcol.pl");
199    $build_cmd .= " -out \"$outfile.build\"" if $use_out;
200    $build_cmd .= " $maxdocs $collection";
201    system ($build_cmd);
202    # if using output directory append the buildcol output to it
203    &append_file ($out, "$outfile.build");
204
205    if (-e &util::filename_cat ($buildingdir, "text", "$collection.ldb") ||
206    -e &util::filename_cat ($buildingdir, "text", "$collection.bdb")) {
207    print $out "$collection collection built successfully\n\n";
208    if ($remove_archives) {
209        print $out "removing archives directory ($archivedir)\n";
210        &util::rm_r ($archivedir);
211    }
212    } else {
213    &final_out (2) if $use_out;
214    die "\nbuildcol.pl failed\n";
215    }
216
217    # replace old indexes with new ones
218    if (&has_content ($indexdir)) {
219    print $out "removing old indexes\n";
220    &util::rm_r ($indexdir);
221    }
222    rmdir ($indexdir) if -d $indexdir;
223    rename ($buildingdir, $indexdir);
224}
225
226sub has_content {
227    my ($dir) = @_;
228
229    if (!-d $dir) {return 0;}
230
231    opendir (DIR, $dir) || return 0;
232    my @files = readdir DIR;
233    close DIR;
234   
235    foreach my $file (@files) {
236    if ($file !~ /^\.{1,2}$/) {
237        return 1;
238    }
239    }
240    return 0;
241}
242
243sub append_file {
244    my ($handle, $file) = @_;
245
246    open (FILE, $file) || return;
247    undef $/;
248    print $handle <FILE>;
249    $/ = "\n";
250    close FILE;
251    &util::rm ($file);
252}
253
254# creates a file called $outfile.final (should only be called if -out option
255# is used and isn't STDERR or STDOUT) and writes an output code to it.
256# An output code of 0 specifies that there was no error
257sub final_out {
258    my ($exit_code) = @_;
259
260    if (open (FINAL, ">$outfile.final")) {
261    print FINAL $exit_code;
262    close FINAL;
263    }
264}
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