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-rw-r--r--perl/Git/IndexInfo.pm35
1 files changed, 35 insertions, 0 deletions
diff --git a/perl/Git/IndexInfo.pm b/perl/Git/IndexInfo.pm
new file mode 100644
index 0000000..9ee054f
--- /dev/null
+++ b/perl/Git/IndexInfo.pm
@@ -0,0 +1,35 @@
+package Git::IndexInfo;
+use strict;
+use warnings $ENV{GIT_PERL_FATAL_WARNINGS} ? qw(FATAL all) : ();
+use Git qw/command_input_pipe command_close_pipe/;
+
+sub new {
+ my ($class) = @_;
+ my $hash_algo = Git::config('extensions.objectformat') || 'sha1';
+ my ($gui, $ctx) = command_input_pipe(qw/update-index -z --index-info/);
+ bless { gui => $gui, ctx => $ctx, nr => 0, hash_algo => $hash_algo}, $class;
+}
+
+sub remove {
+ my ($self, $path) = @_;
+ my $length = $self->{hash_algo} eq 'sha256' ? 64 : 40;
+ if (print { $self->{gui} } '0 ', 0 x $length, "\t", $path, "\0") {
+ return ++$self->{nr};
+ }
+ undef;
+}
+
+sub update {
+ my ($self, $mode, $hash, $path) = @_;
+ if (print { $self->{gui} } $mode, ' ', $hash, "\t", $path, "\0") {
+ return ++$self->{nr};
+ }
+ undef;
+}
+
+sub DESTROY {
+ my ($self) = @_;
+ command_close_pipe($self->{gui}, $self->{ctx});
+}
+
+1;