Using env variables ZNAP_NAME and ZNAP_TIME within pre and post send commands

[kevdogg]

In regards to the documentation, the variables ZNAP_NAME and ZNAP_TIME are defined by:

--pre-snap-command=/path/bin args, --post-snap-command=/path/bin args
Run commands/scripts before and after snapshots are taken on source. e.g. for database locking/flushing (pre) and unlocking (post).

The pre and post snapshot commands can find the name and time of the snapshot in the environment variables ZNAP_NAME and ZNAP_TIME.

Am I able to send ZNAP_NAME and ZNAP_TIME to scripts running with the pre-send/post-send commands?:

pre-send-command=/path/bin args, post-send-command=/path/bin args
Run command/script before and after sending the snapshot to the destination

[jimklimov]

Interesting idea, but currently I think "no".

Now git grep ZNAP_ only found me one hit for each:

$ git grep ZNAP_
CHANGES.old:    document ZNAP_* environement variables (#277)
bin/znapzendzetup:snapshot in the environment variables I<ZNAP_NAME> and I<ZNAP_TIME>.
doc/znapzendzetup.pod:snapshot in the environment variables I<ZNAP_NAME> and I<ZNAP_TIME>.
lib/ZnapZend.pm:    local $ENV{ZNAP_NAME} = $snapshotName;
lib/ZnapZend.pm:    local $ENV{ZNAP_TIME} = $timeStamp;
lib/ZnapZend.pm:    delete $ENV{ZNAP_NAME};
lib/ZnapZend.pm:    delete $ENV{ZNAP_TIME};
man/znapzendzetup.1:snapshot in the environment variables \fI\s-1ZNAP_NAME\s0\fR and \fI\s-1ZNAP_TIME\s0\fR.

Those assignments and deletions happen in my $createSnapshot = sub {... definition.

You can try copying them to $refreshBackupPlans and/or $sendRecvCleanup definitions (search for [Pp](re|ost).*[Ss]end regex); they already deal with $ENV{WORKER} (actually can just search for it), so add copies of those lines nearby.

If it works, I suppose a PR would be welcomed by @oetiker :)