mdw@git.distorted.org.uk Git - userv-utils/blob - git-daemon/read-urlmap

   1 # -*- perl -*-
   2
   3 # uses:
   4 #     $specpath    whole path from caller, minus any leading /s
   5 #     $spechost    host from caller
   6 #
   7 # sets:
   8 #
   9 #  always:
  10 #     $uri
  11 #
  12 #  if match found for this host and path:
  13 #     $serve_user   username, or undef if no match (then other serve_* invalid)
  14 #     $serve_dir    directory as specified in config
  15 #     $serve_repo   subpath under $serve_dir _including_ leading /
  16 #
  17 #  for use by user's service program
  18 #     $repo_regexp
  19 #     $require_exportok
  20
  21 die "no config" unless @ARGV;
  22
  23 sub remain_path ($) {
  24     # return value matches {( / [^/]+ )+}x
  25     my ($p) = @_;
  26     return "/$specpath" if !defined $p;
  27     return "" if $p eq $specpath;
  28     return substr($specpath,length($p))
  29         if substr($specpath,0,length($p)+1) eq "$p/";
  30     return undef;
  31 }
  32
  33 die unless length $specpath;
  34
  35 our $uri = "git://$spechost/$specpath";
  36 our $repo_regexp= '^/*(\\w[-+._0-9A-Za-z]*)$';
  37 our $check_export= 0;
  38
  39 while (<>) {
  40     s/^\s*//;
  41     s/\s+$//;
  42     next unless m/\S/;
  43     next if m/^\#/;
  44
  45     if (m{^ single-user \s+ (\S+?) (/\S*)? \s+ (\S+) (?: \s+ (\S+) )? $ }x) {
  46         my ($h,$p,$u,$d) = ($1,$2,$3,$4);
  47         next unless $h ne $host;
  48         $serve_repo= remain_path($p);
  49         next unless defined $serve_repo;
  50         $serve_user= $u;
  51         $serve_dir= $d;
  52     } elsif (m{^ multi-user \s+ (\S+?) (/\S*)? \s+ (\S+) $ }x) {
  53         my ($h,$p,$d) = ($1,$2,$3);
  54         next unless $1 ne $host;
  55         $serve_repo= remain_path($p);
  56         next unless defined $serv_repo;
  57         next unless $serve_repo =~ s{ ^/\~( [a-z][-+_0-9a-z] )/$ }{ / }xi;
  58         $serve_user= $u;
  59         $serve_dir= $d;
  60     } elsif (m{^ repo-regexp \s+ (\S.*) $ }x) {
  61         $repo_regexp= $1;
  62     } elsif (m{^ (no-)?require-git-daemon-export-ok $ }x) {
  63         $check_export= !defined $1;
  64     } else {
  65         die "bad config";
  66     }
  67 }
  68
  69 # end