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gitweb: Fix two 'uninitialized value' warnings in git_tree()

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If we did try to access nonexistent directory or file, which means
that git_get_hash_by_path() returns `undef`, uninitialized $hash
variable was passed to 'open' call.  Now we fail early with "404 Not
Found - No such tree" error.  (If we try to access something which
does not resolve to tree-ish, for example a file / 'blob' object, the
error will be caught later, as "404 Not Found - Reading tree failed"
error).

If we tried to use 'tree' action without $file_name ('f' parameter)
set, which means either tree given by hash or a top tree (and we
currently cannot distinguish between those two cases), we cannot print
path breadcrumbs with git_print_page_path().  Fix this by moving call
to git_print_page_path() inside conditional.

Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Acked-by: Petr Baudis <pasky@suse.cz>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
This commit is contained in:
Jakub Narebski 2008-10-02 16:50:04 +02:00 committed by Shawn O. Pearce
parent 6e2dfb1631
commit 2d7a3532c7
1 changed files with 2 additions and 1 deletions
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3
gitweb/gitweb.perl
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@ -4421,6 +4421,7 @@ sub git_tree {
$hash = $hash_base;
}
}
die_error(404, "No such tree") unless defined($hash);
$/ = "\0";
open my $fd, "-|", git_cmd(), "ls-tree", '-z', $hash
or die_error(500, "Open git-ls-tree failed");
@ -4461,8 +4462,8 @@ sub git_tree {
if ($basedir ne '' && substr($basedir, -1) ne '/') {
$basedir .= '/';
}
git_print_page_path($file_name, 'tree', $hash_base);
}
git_print_page_path($file_name, 'tree', $hash_base);
print "<div class=\"page_body\">\n";
print "<table class=\"tree\">\n";
my $alternate = 1;