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git-svn: fix some potential bugs with --follow-parent

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When using do_switch:

  We only need to ensure the index is clean and set to that of the
  parent tree) we rely on being able to reconstruct full files
  with deltas transferred over the network.

When using do_update:

  We may safely unlink the index if we are fetching an entire
  new tree with do_update.  Having an old index (from a
  previously deleted/abandoned directory) around can cause
  irrelevant files to be mistakenly kept.

Signed-off-by: Eric Wong <normalperson@yhbt.net>
This commit is contained in:
Eric Wong 2007-02-23 02:21:59 -08:00
parent e2c475d91c
commit 2e5e24803f
1 changed files with 5 additions and 1 deletions
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6
git-svn.perl
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@ -1675,9 +1675,9 @@ sub find_parent_branch {
}
if (defined $r0 && defined $parent) {
print STDERR "Found branch parent: ($self->{ref_id}) $parent\n";
$self->assert_index_clean($parent);
my $ed;
if ($self->ra->can_do_switch) {
$self->assert_index_clean($parent);
print STDERR "Following parent with do_switch\n";
# do_switch works with svn/trunk >= r22312, but that
# is not included with SVN 1.4.3 (the latest version
@ -2932,6 +2932,10 @@ sub gs_do_update {
my $new = ($rev_a == $rev_b);
my $path = $gs->{path};
if ($new && -e $gs->{index}) {
unlink $gs->{index} or die
"Couldn't unlink index: $gs->{index}: $!\n";
}
my $pool = SVN::Pool->new;
$editor->set_path_strip($path);
my (@pc) = split m#/#, $path;