Updating local cache using timestamp/checksum

["riki.eng" <ri...@inbox.com>]

Hi guys,

use case:
I have a remote repo that I access via an http resolver. When I run a
resolve we cache the jars and the ivy files locally. For some reason, I need
to change the ivy files on the repo. Next time I run a resolve, the modified
files are updated.

I was wondering if it is possible in ivy to update the cache with a newer
version, if available in the remote repo. Basically, when I change an ivy
file (or jar) in the repo, I would like to see it changing locally. Even
though I am caching, we could check against the timestamp of the cached
files and download them only if they have changed since.
Another option could be use checksum for the same purpose.

I understand that in a "perfect" repo I wouldn't modify existing files, but
things are not always clean when they are added to it so we might need to
get back to them. 

Any idea would be appreciated!
Riccardo
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Re: Updating local cache using timestamp/checksum

[Maarten Coene <ma...@yahoo.com>]

You can use the checkmodified and changingPattern attributes on your http resolver to accomplish this:
- checkmodified is to check for updated ivy.xml files
- changingPattern is to check for updated artifacts

More info: http://ant.apache.org/ivy/history/latest-release/settings/resolvers.html#common

Maarten




----- Original Message ----
From: riki.eng <ri...@inbox.com>
To: ivy-user@ant.apache.org
Sent: Monday, March 2, 2009 11:34:00 PM
Subject: Updating local cache using timestamp/checksum


Hi guys,

use case:
I have a remote repo that I access via an http resolver. When I run a
resolve we cache the jars and the ivy files locally. For some reason, I need
to change the ivy files on the repo. Next time I run a resolve, the modified
files are updated.

I was wondering if it is possible in ivy to update the cache with a newer
version, if available in the remote repo. Basically, when I change an ivy
file (or jar) in the repo, I would like to see it changing locally. Even
though I am caching, we could check against the timestamp of the cached
files and download them only if they have changed since.
Another option could be use checksum for the same purpose.

I understand that in a "perfect" repo I wouldn't modify existing files, but
things are not always clean when they are added to it so we might need to
get back to them. 

Any idea would be appreciated!
Riccardo
-- 
View this message in context: http://www.nabble.com/Updating-local-cache-using-timestamp-checksum-tp22298390p22298390.html
Sent from the ivy-user mailing list archive at Nabble.com.