Hi everyone,
I'm working on a command-line PHP project and want to be able to
recreate the PHAR file that is my deployment artifact. The challenge is
that I can't create two PHAR's that have identical sha1sums that were
created more than 1 second apart. I would like to be able to exactly
recreate my PHAR file if the input files are the same (i.e. came from
the same git commit).
The following code snippet demonstrates the problem:
----------------------------------cut----------------------------------
#!/usr/bin/php
<?php
$hashes = array();
$file_names = array('file1.phar','file2.phar');
foreach ($file_names as $name) {
if (file_exists($name)) {
unlink($name);
}
$phar = new Phar($name);
$phar->addFromString('cli.php', "cli\n");
$hashes[]=sha1_file($name);
sleep(1); // remove the sleep and the PHAR's are identical.
}
if ($hashes[0]==$hashes[1]) {
echo "match\n";
} else {
echo "do not match\n";
}
----------------------------------cut----------------------------------
As far as I can tell, the "modification time" field for each file in the
PHAR manifest is always set to the current time, and there seems to be
no way or overriding that. Even touch("phar://file1.phar/cli.php",
$timestamp) gives the error:
touch(): Can not call touch() for a non-standard stream
I've run the above code in PHP 5.5.9 on ubuntu trusty, but PHP 5.3 on
RHEL5 also creates PHAR files that aren't identical.
Any help is appreciated.
Jason
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