#!/usr/bin/perl
use strict;
use warnings;
use Cwd qw/ abs_path /;

my @dirs = qw( ~/blosxom /srv/relief/blosxom );

s/^~/$ENV{HOME}/ foreach @dirs;

# do we want to preserve stamp on this file?
sub fits {
    my $dir = abs_path($_[0]);
    my $fits = 0;
    foreach (@dirs) {
        my $wdir = abs_path($_);
        $fits++ if $dir =~ m|^$wdir|;
    }
    return $fits != 0;
}

# store original stamps
my $original_stamp;
foreach (@ARGV) {
    if ( -f $_ and fits($_) ) {
        $original_stamp->{$_} = (stat($_))[9];
    }
}

# run vim as you would
my $real_vim = `/usr/bin/env -i which vim`;
chomp $real_vim;
my $cmd = join ' ', $real_vim, @ARGV;
system($cmd) == 0
    or die "vim failed: $!";

# restore stamps if they have changed
foreach (keys %$original_stamp) {
    next unless -f $_;
    my $current_stamp = (stat($_))[9];
    unless ($current_stamp == $original_stamp->{$_}) {
        utime $original_stamp->{$_}, $original_stamp->{$_}, $_;
    }
}