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diff --git a/git-cvsimport.perl b/git-cvsimport.perl
index af331d9c4316a56db7bd4b3cfb4f1d5d8d5f6de5..e5a00a12857036d01e2e0dd18510df511378854f 100755 (executable)
--- a/git-cvsimport.perl
+++ b/git-cvsimport.perl
use warnings;
use Getopt::Std;
use File::Spec;
-use File::Temp qw(tempfile);
+use File::Temp qw(tempfile tmpnam);
use File::Path qw(mkpath);
use File::Basename qw(basename dirname);
use Time::Local;
use IO::Socket;
use IO::Pipe;
-use POSIX qw(strftime dup2 :errno_h);
+use POSIX qw(strftime dup2 ENOENT);
use IPC::Open2;
$SIG{'PIPE'}="IGNORE";
$ENV{"GIT_DIR"} = $git_dir;
my $orig_git_index;
$orig_git_index = $ENV{GIT_INDEX_FILE} if exists $ENV{GIT_INDEX_FILE};
-my ($git_ih, $git_index) = tempfile('gitXXXXXX', SUFFIX => '.idx',
- DIR => File::Spec->tmpdir());
-close ($git_ih);
-$ENV{GIT_INDEX_FILE} = $git_index;
+
+my %index; # holds filenames of one index per branch
+
unless(-d $git_dir) {
system("git-init-db");
die "Cannot init the GIT db at $git_tree: $?\n" if $?;
$orig_branch = $last_branch;
$tip_at_start = `git-rev-parse --verify HEAD`;
- # populate index
- system('git-read-tree', $last_branch);
- die "read-tree failed: $?\n" if $?;
-
# Get the last import timestamps
opendir(D,"$git_dir/refs/heads");
while(defined(my $head = readdir(D))) {
write_author_info("$git_dir/cvs-authors");
}
-my $pid = open(CVS,"-|");
-die "Cannot fork: $!\n" unless defined $pid;
-unless($pid) {
- my @opt;
- @opt = split(/,/,$opt_p) if defined $opt_p;
- unshift @opt, '-z', $opt_z if defined $opt_z;
- unshift @opt, '-q' unless defined $opt_v;
- unless (defined($opt_p) && $opt_p =~ m/--no-cvs-direct/) {
- push @opt, '--cvs-direct';
+
+#
+# run cvsps into a file unless we are getting
+# it passed as a file via $opt_P
+#
+unless ($opt_P) {
+ print "Running cvsps...\n" if $opt_v;
+ my $pid = open(CVSPS,"-|");
+ die "Cannot fork: $!\n" unless defined $pid;
+ unless($pid) {
+ my @opt;
+ @opt = split(/,/,$opt_p) if defined $opt_p;
+ unshift @opt, '-z', $opt_z if defined $opt_z;
+ unshift @opt, '-q' unless defined $opt_v;
+ unless (defined($opt_p) && $opt_p =~ m/--no-cvs-direct/) {
+ push @opt, '--cvs-direct';
+ }
+ exec("cvsps","--norc",@opt,"-u","-A",'--root',$opt_d,$cvs_tree);
+ die "Could not start cvsps: $!\n";
}
- if ($opt_P) {
- exec("cat", $opt_P);
- } else {
- exec("cvsps","--norc",@opt,"-u","-A",'--root',$opt_d,$cvs_tree);
- die "Could not start cvsps: $!\n";
+ my ($cvspsfh, $cvspsfile) = tempfile('gitXXXXXX', SUFFIX => '.cvsps',
+ DIR => File::Spec->tmpdir());
+ while (<CVSPS>) {
+ print $cvspsfh $_;
}
+ close CVSPS;
+ close $cvspsfh;
+ $opt_P = $cvspsfile;
}
+open(CVS, "<$opt_P") or die $!;
+
## cvsps output:
#---------------------
#PatchSet 314
}
my($patchset,$date,$author_name,$author_email,$branch,$ancestor,$tag,$logmsg);
-my(@old,@new,@skipped);
+my(@old,@new,@skipped,%ignorebranch);
+
+# commits that cvsps cannot place anywhere...
+$ignorebranch{'#CVSPS_NO_BRANCH'} = 1;
+
sub commit {
+ if ($branch eq $opt_o && !$index{branch} && !get_headref($branch, $git_dir)) {
+ # looks like an initial commit
+ # use the index primed by git-init-db
+ $ENV{GIT_INDEX_FILE} = '.git/index';
+ $index{$branch} = '.git/index';
+ } else {
+ # use an index per branch to speed up
+ # imports of projects with many branches
+ unless ($index{$branch}) {
+ $index{$branch} = tmpnam();
+ $ENV{GIT_INDEX_FILE} = $index{$branch};
+ if ($ancestor) {
+ system("git-read-tree", $ancestor);
+ } else {
+ system("git-read-tree", $branch);
+ }
+ die "read-tree failed: $?\n" if $?;
+ }
+ }
+ $ENV{GIT_INDEX_FILE} = $index{$branch};
+
update_index(@old, @new);
@old = @new = ();
my $tree = write_tree();
$state = 11;
next;
}
+ if (exists $ignorebranch{$branch}) {
+ print STDERR "Skipping $branch\n";
+ $state = 11;
+ next;
+ }
if($ancestor) {
+ if($ancestor eq $branch) {
+ print STDERR "Branch $branch erroneously stems from itself -- changed ancestor to $opt_o\n";
+ $ancestor = $opt_o;
+ }
if(-f "$git_dir/refs/heads/$branch") {
print STDERR "Branch $branch already exists!\n";
$state=11;
}
unless(open(H,"$git_dir/refs/heads/$ancestor")) {
print STDERR "Branch $ancestor does not exist!\n";
+ $ignorebranch{$branch} = 1;
$state=11;
next;
}
close(H);
unless(open(H,"> $git_dir/refs/heads/$branch")) {
print STDERR "Could not create branch $branch: $!\n";
+ $ignorebranch{$branch} = 1;
$state=11;
next;
}
close(H)
or die "Could not write branch $branch: $!";
}
- if(($ancestor || $branch) ne $last_branch) {
- print "Switching from $last_branch to $branch\n" if $opt_v;
- system("git-read-tree", $branch);
- die "read-tree failed: $?\n" if $?;
- }
$last_branch = $branch if $branch ne $last_branch;
$state = 9;
} elsif($state == 8) {
}
commit() if $branch and $state != 11;
-unlink($git_index);
+foreach my $git_index (values %index) {
+ if ($git_index ne '.git/index') {
+ unlink($git_index);
+ }
+}
if (defined $orig_git_index) {
$ENV{GIT_INDEX_FILE} = $orig_git_index;