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Thread: AppStream: What Problem Does It Solve?

  1. #11
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    Default Re: AppStream: What Problem Does It Solve?

    On 2015-04-20 19:06, wolfi323 wrote:

    > Try to run:
    >
    > Code:
    > --------------------
    > zypper se -t application
    > --------------------
    >
    > This shows all Appstream applications available in your repos...


    Code:
    cer@minas-tirith:~> zypper se -t application
    Unknown package type 'application'.
    cer@minas-tirith:~>
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    Carlos E. R.

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  2. #12
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    Default Re: AppStream: What Problem Does It Solve?

    On 2015-04-19 00:36, kerijan2003 wrote:
    >
    > This question is probably best asked in the Chit-Chat forum.


    Absolutely...

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    Carlos E. R.

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  3. #13

    Default AW: Re: AppStream: What Problem Does It Solve?

    Quote Originally Posted by robin_listas View Post
    On 2015-04-20 19:06, wolfi323 wrote:

    > Try to run:
    >
    > Code:
    > --------------------
    > zypper se -t application
    > --------------------
    >
    > This shows all Appstream applications available in your repos...


    Code:
    cer@minas-tirith:~> zypper se -t application
    Unknown package type 'application'.
    cer@minas-tirith:~>
    13.1's zypper doesn't support that yet. It's a new feature in 13.2.

  4. #14
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    Default Re: AppStream: What Problem Does It Solve?

    On 2015-04-28 11:06, wolfi323 wrote:
    >
    > robin_listas;2707189 Wrote:



    > 13.1's zypper doesn't support that yet. It's a new feature in 13.2.


    Ah. Ok.

    --
    Cheers / Saludos,

    Carlos E. R.

    (from 13.1 x86_64 "Bottle" (Minas Tirith))

  5. #15

    Default Re: AppStream: What Problem Does It Solve?

    [QUOTE]
    Quote Originally Posted by robin_listas View Post
    On 2015-04-19 00:36, kerijan2003 wrote:
    >
    > This question is probably best asked in the Chit-Chat forum.


    Absolutely...
    There are way too many forums already. It just makes it difficult to know where to head off to should one be looking for some information, or even try to help out by answering a few help requests. Not to mention all the arguments started about whether something is in the right forum or not.

  6. #16

    Default Re: AppStream: What Problem Does It Solve?

    Thanks for the answers.

    I confess that I'm still unclear on what this is.

    From the explanations given, I am led to understand that it is just a convention for some extra metadata about packages, which applications may choose to consume (or not)?

  7. #17
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    Default Re: AppStream: What Problem Does It Solve?

    On 2015-05-13 00:46, licehunter wrote:
    >
    >>> robin_listas;2707191 Wrote:
    >>> On 2015-04-19 00:36, kerijan2003 wrote:
    >>>>
    >>>> This question is probably best asked in the Chit-Chat forum.
    >>>
    >>> Absolutely...
    >>>>>

    >>
    >> There are way too many forums already. It just makes it difficult to
    >> know where to head off to should one be looking for some information,
    >> or even try to help out by answering a few help requests. Not to
    >> mention all the arguments started about whether something is in the
    >> right forum or not.


    Which is why we suggested you where to ask.

    You just have to request a moderator to move your post, using the
    triangle button below.

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    Cheers / Saludos,

    Carlos E. R.

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  8. #18

    Default Re: AppStream: What Problem Does It Solve?

    Quote Originally Posted by licehunter View Post
    From the explanations given, I am led to understand that it is just a convention for some extra metadata about packages, which applications may choose to consume (or not)?
    Basically yes, as I understand it.
    And it is distribution/package-management-system agnostic...
    Last edited by wolfi323; 13-May-2015 at 03:51.

  9. #19
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    Default Re: AppStream: What Problem Does It Solve?

    Quote Originally Posted by licehunter View Post
    Thanks for the answers.

    I confess that I'm still unclear on what this is.

    From the explanations given, I am led to understand that it is just a convention for some extra metadata about packages, which applications may choose to consume (or not)?
    From what I researched before,
    Most basicly it's app version control, it tracks versions of an app's files (if used to support an app). This is one of the most nettlesome and oftentimes costly aspects of code writing... If you intend to maintain the app, how do you track the status/version of the app or its parts and determine what is to be updated? There are several concepts/approaches on how to do this, and it can get more complicated if several updates are skipped, are you really going to require every intermediate (and obsolesced) update to be installed as well?

    So, from a code developer's perspective, it solves an important problem relating to code maintenance.

    But, one of the implementations I listed has little to do with code maintenance. That solution actually was using appstream to manage the versions of its distributed database content which is an interesting and innovative way to apply a core functionality in a very different scenario.

    So, it is a convention (commonly accepted format and methods) but a lot more.
    That's why in my description I elevated appstream to a type of platform.

    TSU

  10. #20

    Default Re: AppStream: What Problem Does It Solve?

    Quote Originally Posted by tsu2 View Post
    From what I researched before,
    Most basicly it's app version control, it tracks versions of an app's files (if used to support an app). This is one of the most nettlesome and oftentimes costly aspects of code writing...
    ???
    I think you are talking about something completely different...

    The official AppStream specification and documentation (http://www.freedesktop.org/software/appstream/docs/) doesn't mention anything about code-writing or version tracking at all.

    Here's the "Abstract", btw:
    AppStream is a cross-distro effort for enhancing the way we interact with the software repositories provided by the distribution by standardizing sets of additional metadata.

    AppStream provides the foundation to build software-center applications. It additionally provides specifications for things like an unified software metadata database, screenshot services and various other things needed to create user-friendly application-centers for (Linux) distributions.
    Last edited by wolfi323; 13-May-2015 at 08:11.

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