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git-svnimport: support for incremental import

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This adds ability to do import "in chunks" (default 1000 revisions),
after each chunk git repo will be repacked. The option -R is used to
change default value of chunk size (or how often repository will
repacked).

Signed-off-by: Sasha Khapyorsky <sashak@voltaire.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Sasha Khapyorsky
2007-01-07 02:17:19 +02:00
committed by Junio C Hamano
parent 9fa77a51a4
commit 40006ea039
2 changed files with 34 additions and 8 deletions
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32
git-svnimport.perl
View File

@ -31,12 +31,13 @@ $SIG{'PIPE'}="IGNORE";
$ENV{'TZ'}="UTC";
our($opt_h,$opt_o,$opt_v,$opt_u,$opt_C,$opt_i,$opt_m,$opt_M,$opt_t,$opt_T,
$opt_b,$opt_r,$opt_I,$opt_A,$opt_s,$opt_l,$opt_d,$opt_D,$opt_S,$opt_F,$opt_P);
$opt_b,$opt_r,$opt_I,$opt_A,$opt_s,$opt_l,$opt_d,$opt_D,$opt_S,$opt_F,
$opt_P,$opt_R);
sub usage() {
print STDERR <<END;
Usage: ${\basename $0} # fetch/update GIT from SVN
[-o branch-for-HEAD] [-h] [-v] [-l max_rev]
[-o branch-for-HEAD] [-h] [-v] [-l max_rev] [-R repack_each_revs]
[-C GIT_repository] [-t tagname] [-T trunkname] [-b branchname]
[-d|-D] [-i] [-u] [-r] [-I ignorefilename] [-s start_chg]
[-m] [-M regex] [-A author_file] [-S] [-F] [-P project_name] [SVN_URL]
@ -44,7 +45,7 @@ END
exit(1);
}
getopts("A:b:C:dDFhiI:l:mM:o:rs:t:T:SP:uv") or usage();
getopts("A:b:C:dDFhiI:l:mM:o:rs:t:T:SP:R:uv") or usage();
usage if $opt_h;
my $tag_name = $opt_t || "tags";
@ -52,6 +53,7 @@ my $trunk_name = $opt_T || "trunk";
my $branch_name = $opt_b || "branches";
my $project_name = $opt_P || "";
$project_name = "/" . $project_name if ($project_name);
my $repack_after = $opt_R || 1000;
@ARGV == 1 or @ARGV == 2 or usage();
@ -934,11 +936,27 @@ if ($opt_l < $current_rev) {
exit;
}
print "Fetching from $current_rev to $opt_l ...\n" if $opt_v;
print "Processing from $current_rev to $opt_l ...\n" if $opt_v;
my $pool=SVN::Pool->new;
$svn->{'svn'}->get_log("/",$current_rev,$opt_l,0,1,1,\&commit_all,$pool);
$pool->clear;
my $from_rev;
my $to_rev = $current_rev;
while ($to_rev < $opt_l) {
$from_rev = $to_rev;
$to_rev = $from_rev + $repack_after;
$to_rev = $opt_l if $opt_l < $to_rev;
print "Fetching from $from_rev to $to_rev ...\n" if $opt_v;
my $pool=SVN::Pool->new;
$svn->{'svn'}->get_log("/",$from_rev,$to_rev,0,1,1,\&commit_all,$pool);
$pool->clear;
my $pid = fork();
die "Fork: $!\n" unless defined $pid;
unless($pid) {
exec("git-repack", "-d")
or die "Cannot repack: $!\n";
}
waitpid($pid, 0);
}
unlink($git_index);