From fd438a0f26f3a4da414c8069213c608c74abb7b1 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Fri, 31 Dec 2010 12:40:18 +0100
Subject: Add 'hashl ignore' function

---
 bin/hashl | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)

diff --git a/bin/hashl b/bin/hashl
index bc2fc2c..aa38749 100755
--- a/bin/hashl
+++ b/bin/hashl
@@ -92,6 +92,14 @@ sub hash_file {
 sub hash_in_db {
 	my ($hash) = @_;
 
+	if ($db->{'ignored'}->{'hashes'}) {
+		for my $ihash (@{$db->{'ignored'}->{'hashes'}}) {
+			if ($hash eq $ihash) {
+				return '// ignored';
+			}
+		}
+	}
+
 	for my $name (keys %{$db->{'files'}}) {
 		my $file = $db->{'files'}->{$name};
 
@@ -184,6 +192,30 @@ sub process_file {
 	}
 }
 
+sub ignore_file {
+	my $file = $File::Find::name;
+
+	if (not -f $file or -l $file or $file eq $db_file) {
+		return;
+	}
+
+	my $hash = hash_file($file);
+
+	$cur++;
+
+	print $timer->report("\r\e[2KUpdating: %p done, %L elapsed, %E remaining", $cur);
+
+	if (hash_in_db($hash)) {
+		return;
+	}
+
+	push(@{$db->{'ignored'}->{'hashes'}}, $hash);
+
+	if (($cur % 100) == 0) {
+		nstore($db, $db_file);
+	}
+}
+
 sub mkdirs {
 	my ($base, $new) = @_;
 
@@ -245,6 +277,13 @@ elsif ($action eq 'list') {
 		printf("%s %s\n", $file->{'hash'}, $name);
 	}
 }
+elsif ($action eq 'list-ignored') {
+	if (exists $db->{'ignored'}->{'hashes'}) {
+		for my $hash (@{$db->{'ignored'}->{'hashes'}}) {
+			say $hash;
+		}
+	}
+}
 elsif ($action ~~ [qw[know-file know-hash new-file new-hash]]) {
 	db_find();
 }
@@ -279,6 +318,26 @@ elsif ($action eq 'copy') {
 	find(\&maybe_copy_file, $base);
 	print "\n";
 }
+elsif ($action eq 'ignore') {
+	my $ign_dir = $ARGV[1] // $base;
+
+	if (substr($ign_dir, 0, 1) ne '/') {
+		$ign_dir = $base . '/' . $ign_dir;
+	}
+
+	STDOUT->autoflush(1);
+	find(\&get_total, $base);
+
+	$timer = Time::Progress->new();
+	$timer->attr(
+		min => 1,
+		max => $total,
+	);
+
+	find(\&ignore_file, $base);
+	nstore($db, $db_file);
+	print "\n";
+}
 else {
 	usage();
 }
-- 
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