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gitweb: parse project/action/hash_base:filename PATH_INFO 

This patch enables gitweb to parse URLs with more information embedded
in PATH_INFO, reducing the need for CGI parameters. The typical gitweb
path is now $project/$action/$hash_base:$file_name or
$project/$action/$hash

This is mostly backwards compatible with the old-style gitweb paths,
$project/$branch[:$filename], except when it was used to access a branch
whose name matches a gitweb action.

Signed-off-by: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
Acked-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Giuseppe Bilotta 2008-10-21 21:34:50 +02:00 committed by Junio C Hamano
parent 208f689610
commit d8c2882254
1 changed files with 39 additions and 7 deletions
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46
gitweb/gitweb.perl
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@ -534,23 +534,55 @@ sub evaluate_path_info {
return if $input_params{'action'};
$path_info =~ s,^\Q$project\E/*,,;
# next, check if we have an action
my $action = $path_info;
$action =~ s,/.*$,,;
if (exists $actions{$action}) {
$path_info =~ s,^$action/*,,;
$input_params{'action'} = $action;
}
# list of actions that want hash_base instead of hash, but can have no
# pathname (f) parameter
my @wants_base = (
'tree',
'history',
);
my ($refname, $pathname) = split(/:/, $path_info, 2);
if (defined $pathname) {
# we got "project.git/branch:filename" or "project.git/branch:dir/"
# we could use git_get_type(branch:pathname), but it needs $git_dir
# we got "branch:filename" or "branch:dir/"
# we could use git_get_type(branch:pathname), but:
# - it needs $git_dir
# - it does a git() call
# - the convention of terminating directories with a slash
# makes it superfluous
# - embedding the action in the PATH_INFO would make it even
# more superfluous
$pathname =~ s,^/+,,;
if (!$pathname || substr($pathname, -1) eq "/") {
$input_params{'action'} = "tree";
$input_params{'action'} ||= "tree";
$pathname =~ s,/$,,;
} else {
$input_params{'action'} = "blob_plain";
$input_params{'action'} ||= "blob_plain";
}
$input_params{'hash_base'} ||= $refname;
$input_params{'file_name'} ||= $pathname;
} elsif (defined $refname) {
# we got "project.git/branch"
$input_params{'action'} = "shortlog";
$input_params{'hash'} ||= $refname;
# we got "branch". In this case we have to choose if we have to
# set hash or hash_base.
#
# Most of the actions without a pathname only want hash to be
# set, except for the ones specified in @wants_base that want
# hash_base instead. It should also be noted that hand-crafted
# links having 'history' as an action and no pathname or hash
# set will fail, but that happens regardless of PATH_INFO.
$input_params{'action'} ||= "shortlog";
if (grep { $_ eq $input_params{'action'} } @wants_base) {
$input_params{'hash_base'} ||= $refname;
} else {
$input_params{'hash'} ||= $refname;
}
}
}
evaluate_path_info();