[PATCH] gitweb: bugfix: git_print_page_path() needs the hash base

[Luben Tuikov <ltuikov@yahoo.com>]

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If a file F exists in branch B, but doesn't exist
in master branch, then blob_plain needs the hash base in
order to properly get the file.  The hash base is passed
on symbolically so we still preserve the "latest" quality
of the link presented by git_print_page_path().

Signed-off-by: Luben Tuikov <ltuikov@yahoo.com>
---
 gitweb/gitweb.perl |   22 ++++++++++++++--------
 1 files changed, 14 insertions(+), 8 deletions(-)

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diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 36d3082..bb77b55 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -1175,12 +1175,18 @@ sub git_print_header_div {
 sub git_print_page_path {
 	my $name = shift;
 	my $type = shift;
+	my $hb = shift;
 
 	if (!defined $name) {
 		print "<div class=\"page_path\"><b>/</b></div>\n";
 	} elsif (defined $type && $type eq 'blob') {
-		print "<div class=\"page_path\"><b>" .
-			$cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name)}, esc_html($name)) . "</b><br/></div>\n";
+		print "<div class=\"page_path\"><b>";
+		if (defined $hb) {
+			print $cgi->a({-href => href(action=>"blob_plain", hash_base=>$hb, file_name=>$file_name)}, esc_html($name));
+		} else {
+			print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name)}, esc_html($name));
+		}
+		print "</b><br/></div>\n";
 	} else {
 		print "<div class=\"page_path\"><b>" . esc_html($name) . "</b><br/></div>\n";
 	}
@@ -1868,7 +1874,7 @@ sub git_blame2 {
 		" | " . $cgi->a({-href => href(action=>"blame", file_name=>$file_name)}, "head");
 	git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
 	git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
-	git_print_page_path($file_name, $ftype);
+	git_print_page_path($file_name, $ftype, $hash_base);
 	my @rev_color = (qw(light2 dark2));
 	my $num_colors = scalar(@rev_color);
 	my $current_color = 0;
@@ -1922,7 +1928,7 @@ sub git_blame {
 		" | " . $cgi->a({-href => href(action=>"blame", file_name=>$file_name)}, "head");
 	git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
 	git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
-	git_print_page_path($file_name, 'blob');
+	git_print_page_path($file_name, 'blob', $hash_base);
 	print "<div class=\"page_body\">\n";
 	print <<HTML;
 <table class="blame">
@@ -2085,7 +2091,7 @@ sub git_blob {
 		      "<br/><br/></div>\n" .
 		      "<div class=\"title\">$hash</div>\n";
 	}
-	git_print_page_path($file_name, "blob");
+	git_print_page_path($file_name, "blob", $hash_base);
 	print "<div class=\"page_body\">\n";
 	my $nr;
 	while (my $line = <$fd>) {
@@ -2135,7 +2141,7 @@ sub git_tree {
 	if (defined $file_name) {
 		$base = esc_html("$file_name/");
 	}
-	git_print_page_path($file_name, 'tree');
+	git_print_page_path($file_name, 'tree', $hash_base);
 	print "<div class=\"page_body\">\n";
 	print "<table cellspacing=\"0\">\n";
 	my $alternate = 0;
@@ -2332,7 +2338,7 @@ sub git_blobdiff {
 		      "<br/><br/></div>\n" .
 		      "<div class=\"title\">$hash vs $hash_parent</div>\n";
 	}
-	git_print_page_path($file_name, "blob");
+	git_print_page_path($file_name, "blob", $hash_base);
 	print "<div class=\"page_body\">\n" .
 	      "<div class=\"diff_info\">blob:" .
 	      $cgi->a({-href => href(action=>"blob", hash=>$hash_parent, hash_base=>$hash_base, file_name=>($file_parent || $file_name))}, $hash_parent) .
@@ -2502,7 +2508,7 @@ sub git_history {
 	if (defined $hash) {
 		$ftype = git_get_type($hash);
 	}
-	git_print_page_path($file_name, $ftype);
+	git_print_page_path($file_name, $ftype, $hash_base);
 
 	open my $fd, "-|",
 		$GIT, "rev-list", "--full-history", $hash_base, "--", $file_name;
-- 
1.4.2.gdb98