defined($url) ? "$url$mid/" : "<$mid>";
}
-sub apply_patches ($$$$$) {
- my ($self, $out, $wt, $found, $patches) = @_;
+sub apply_patches_cb ($$$$$) {
+ my ($self, $out, $found, $patches, $oid_b) = @_;
+ my $wt = do_git_init_wt($self);
my $wt_dir = $wt->dirname;
my $wt_git = PublicInbox::Git->new("$wt_dir/.git");
$wt_git->{-wt} = $wt;
my $cur = 0;
my $tot = scalar @$patches;
+ my ($apply_pid, $rd, $di);
+
+ # returns an empty string if in progress, undef if not found,
+ # or the final [ ::Git, oid_full, type, size, $di ] arrayref
+ # if found
+ sub {
+ if ($rd) {
+ $found->{$di->{oid_b}} =
+ do_apply_end($out, $wt_git, $rd, $di);
+ $rd = undef;
+ # continue to shift @$patches
+ } elsif ($apply_pid) {
+ $rd = do_apply_continue($wt_dir, $apply_pid);
+ $apply_pid = undef;
+ return ''; # $rd => do_apply_ned
+ }
+
+ # may return undef here
+ $di = shift @$patches or return $found->{$oid_b};
- foreach my $di (@$patches) {
my $i = ++$cur;
my $oid_a = $di->{oid_a};
my $existing = $found->{$oid_a};
join('', @{$di->{hdr_lines}}), "\n"
or die "print \$out failed: $!";
- # apply the patch!
- my $apply_pid = do_apply_begin($out, $wt_dir, $di);
- my $rd = do_apply_continue($wt_dir, $apply_pid);
- $found->{$di->{oid_b}} = do_apply_end($out, $wt_git, $rd, $di);
- }
-}
-
-sub dump_found ($$) {
- my ($out, $found) = @_;
- foreach my $oid (sort keys %$found) {
- my ($git, $oid, undef, undef, $di) = @{$found->{$oid}};
- my $loc = $di ? di_url($di) : $git->src_blob_url($oid);
- print $out "$oid from $loc\n";
- }
-}
-
-sub dump_patches ($$) {
- my ($out, $patches) = @_;
- my $tot = scalar(@$patches);
- my $i = 0;
- foreach my $di (@$patches) {
- ++$i;
- print $out "[$i/$tot] ", di_url($di), "\n";
+ # begin the patch application patch!
+ $apply_pid = do_apply_begin($out, $wt_dir, $di);
+ # next call to this callback will call do_apply_continue
+ '';
}
}
unless (scalar(@$patches)) {
print $out "no patch(es) for $oid_b\n";
- dump_found($out, $found);
return;
}
# reconstruct the oid_b blob using patches we found:
- eval {
- my $wt = do_git_init_wt($self);
- apply_patches($self, $out, $wt, $found, $patches);
- };
- if ($@) {
- print $out "E: $@\nfound: ";
- dump_found($out, $found);
- print $out "patches: ";
- dump_patches($out, $patches);
- return;
+ my $cb = apply_patches_cb($self, $out, $found, $patches, $oid_b);
+ my $ret;
+ while (1) {
+ $ret = $cb->();
+ return $ret if (ref($ret) || !defined($ret));
}
-
- $found->{$oid_b};
}
1;