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#!/usr/bin/perl
#
# userv-git-daemon service script
#
# This was written by Tony Finch <dot@dotat.at>
# You may do anything with it, at your own risk.
# http://creativecommons.org/publicdomain/zero/1.0/
use strict;
use warnings;
use Sys::Syslog;
${$::{$_}} = $ENV{"USERV_U_$_"}
for grep s|^USERV_U_([a-z_]+)$|$1|, keys %ENV;
our ($client,$service,$path,$host);
openlog "userv-$service", 'pid', 'daemon';
sub fail { syslog 'err', "$client @_"; exit }
our ($check_repo,$check_export,$dir,$repo) = (1,0);
our $uri = $_ = "git://$host/$path";
for my $cf (@ARGV) { do $cf }
my $home = (getpwuid $<)[7];
$dir = "$home/$dir" if $dir =~ m|^[^/]|
or $dir =~ s|^~/||;
fail "Bad filename $repo" if $check_repo
and $repo !~ m|^\w[\w.=+-]*\.git$|;
$dir = "$dir/$repo" if defined $repo;
$path = $check_export ? "$dir/git-daemon-export-ok" : $dir;
fail "$! $path" unless -e $path;
syslog 'notice', "$client $dir";
my @cmd = ($service, '--strict', '--timeout=30', $dir);
no warnings; # suppress errors to stderr
exec @cmd or fail "exec $service: $!";
# end
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