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# -*- perl -*-
# uses:
# $specpath whole path from caller, minus any leading /s
# $spechost host from caller
#
# sets:
#
# always:
# $uri
#
# if match found for this host and path:
# $serve_user username, or undef if no match (then other serve_* invalid)
# $serve_dir directory as specified in config
# $serve_repo subpath under $serve_dir _including_ leading /
#
# for use by user's service program
# $repo_regexp
# $require_exportok
sub remain_path ($) {
# return value matches {( / [^/]+ )+}x
my ($vsubpath) = @_;
syslog 'debug', sprintf "DEBUG remain_path %s $specpath",
(defined $vsubpath ? $vsubpath : '<undef>');
return "/$specpath" if !defined $vsubpath;
return "" if $vsubpath eq $specpath;
return substr($specpath,length($vsubpath))
if substr($specpath,0,length($vsubpath)+1) eq "$vsubpath/";
return undef;
}
fail "no config ??" unless @ARGV;
fail "no specpath ??" unless length $specpath;
our $uri = "git://$spechost/$specpath";
our $repo_regexp= '^(\\w[-+._0-9A-Za-z]*/?\.git)$'; # stupid emacs ';
our $check_export= 0;
our ($serve_user, $serve_dir, $serve_repo);
sub fexists ($) {
my ($f) = @_;
if (stat $f) {
-f _ or fail "bad config $_ - not a file";
return 1;
} else {
$!==&ENOENT or fail "bad config $_ - could not stat: $!";
return 0;
}
}
@ARGV = grep { fexists($_) } @ARGV;
while (<>) {
s/^\s*//;
s/\s+$//;
next unless m/\S/;
next if m/^\#/;
if (m{^ single-user \s+ (\S+?) (/\S*)? \s+ (\S+) (?: \s+ (\S+) )? $ }x) {
my ($h,$v,$u,$d) = ($1,$2,$3,$4);
next unless $h eq $spechost;
$serve_repo= remain_path($v);
next unless defined $serve_repo;
$serve_user= $u;
$serve_dir= $d;
syslog 'debug', "DEBUG $ARGV:$. match".
" $serve_user $serve_dir $serve_repo";
} elsif (m{^ multi-user \s+ (\S+?) (/\S*)? \s+ (\S+) $ }x) {
my ($h,$v,$d) = ($1,$2,$3);
next unless $1 eq $spechost;
$serve_repo= remain_path($v);
next unless defined $serve_repo;
syslog 'debug', "DEBUG $ARGV:$. perhaps $serve_repo";
next unless $serve_repo =~ s{ ^/\~( [a-z][-+_0-9a-z]* )/ }{/}xi;
$serve_user= $1;
$serve_dir= $d;
syslog 'debug', "DEBUG $ARGV:$. match".
" $serve_user $serve_dir $serve_repo";
} elsif (m{^ repo-regexp \s+ (\S.*) $ }x) {
$repo_regexp= $1;
} elsif (m{^ (no-)?require-git-daemon-export-ok $ }x) {
$check_export= !defined $1;
} else {
fail "config syntax error at $ARGV:$.";
}
}
# end
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