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#!/usr/bin/perl |
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# split PostgreSQL dump into individual files for backup with git |
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# |
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# 09/11/08 20:10:39 CEST Dobrica Pavlinusic <dpavlin@rot13.org> |
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use warnings; |
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use strict; |
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use Getopt::Long; |
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use Fatal qw/:void open close mkdir chdir/; |
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my $git = '/tmp/pgsql-git-backup/'; |
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my $verbose = 0; |
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my $database = ''; |
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my $repack = 0; |
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my $usage = "Usage: $0 --database name < name-dump.sql\n"; |
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GetOptions( |
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'git=s' => \$git, |
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'database=s' => \$database, |
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'verbose+' => \$verbose, |
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'repack' => \$repack, |
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) or die $usage; |
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die $usage unless $database; |
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my $nr = 0; |
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my $name = $database; |
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my $d; |
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sub git { |
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my $cmd = shift or die "no cmd?"; |
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system($cmd) == 0 or die "$cmd FAILED $?"; |
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} |
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sub write_chunk { |
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my $path = sprintf("%s/%04d%s.sql", $database, $nr++, $name); |
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open(my $fh, '>', $path) or die "can't open file $path: $!"; |
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print $fh $d; |
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close($fh); |
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warn ">> $path ", -s $path, "\n" if $verbose; |
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git "git-add '$path'"; |
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} |
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mkdir $git if ! -e $git; |
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chdir $git; |
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warn "## using $git\n" if $verbose; |
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git 'git-init-db' if ! -e "$git/.git"; |
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if ( ! -e $database ) { |
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mkdir $database; |
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# git "git-add '$database'"; |
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# git "git-commit -m 'added $database directory' $database"; |
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} |
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while(<STDIN>) { |
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if (/--.*Name: (\w+);.*Schema: (\w+)/) { |
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write_chunk; |
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$name = ' ' . $2 . '.' . $1; |
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undef $d; |
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$d = ''; |
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} |
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$d .= $_; |
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} |
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write_chunk; |
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git "git-commit -m '$database' '$database'"; |
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git "git-repack" if $repack; |
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