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    [SOLVED] Muon Package Manager Configure Software Sources

    Muon Package Manager installs in KDE neon User Edition just fine. Apt indicates no errors or conflicts. Launching Muon Package Manager is also without any issues. But, you can't Configure Software Sources because of a missing package: software-properties-kde. This missing package isn't installable in KDE neon User Edition; it isn't in any of the default repositories in use by KDE neon User Edition.

    As the absence of this package cripples part of Muon Package Manager, I have to ask: Why is this necessary dependent package not available in KDE neon User Edition?
    Windows no longer obstructs my view.
    Using Kubuntu Linux since March 23, 2007.
    "It is a capital mistake to theorize before one has data." - Sherlock Holmes

    #2
    In Kubuntu 20.04, I have

    $ apt list --installed 2>/dev/null | grep -i software-properties
    python3-software-properties/focal-updates,focal-updates,now 0.98.9.4 all [installed,automatic]
    software-properties-common/focal-updates,focal-updates,now 0.98.9.4 all [installed,automatic]
    software-properties-qt/focal-updates,focal-updates,now 0.98.9.4 all [installed,automatic]
    $
    Kubuntu 20.04

    Comment


      #3
      I have software-properties-qt on neon User.
      I don't know if you can tell Muon to use that (I don't have Muon - I don't want it, if I install it it install the xapian stuff which I positively hate - so I use either apt or Synaptic.

      Funny thing is:
      Code:
      ~$ software-properties-kde
      
      Command 'software-properties-kde' not found, but can be installed with:
      
      sudo apt install muon

      Comment


        #4
        The same here on my Kubuntu 20.04.2 LTS install. And in Kubuntu 20.04.2 LTS, you can configure software sources in Muon Package Manager, even though software-properties-kde isn't installed (it too, there, doesn't exist in any of the repositories).

        I installed software-properties-qt. Didn't make any difference. Clicking on Settings > Configure Software Sources in Muon Package Manager still complains about the missing software-properties-kde package.

        So in KDE neon User Edition (at least), Muon Package Manager has a dependency on software-properties-kde but it isn't/can't be installed.
        Windows no longer obstructs my view.
        Using Kubuntu Linux since March 23, 2007.
        "It is a capital mistake to theorize before one has data." - Sherlock Holmes

        Comment


          #5
          Originally posted by Don B. Cilly View Post
          I have software-properties-qt on neon User.
          I don't know if you can tell Muon to use that (I don't have Muon - I don't want it, if I install it it install the xapian stuff which I positively hate - so I use either apt or Synaptic.

          Funny thing is:
          Code:
          ~$ software-properties-kde
          
          Command 'software-properties-kde' not found, but can be installed with:
          
          sudo apt install muon
          That's I believe, because the package information file for muon identifies software-properties-kde as a 'suggested' package. If it was identified as 'required', then you wouldn't be able to install muon, as apt would complain about a required missing dependency.

          Something in Denmark smells like fish!
          Windows no longer obstructs my view.
          Using Kubuntu Linux since March 23, 2007.
          "It is a capital mistake to theorize before one has data." - Sherlock Holmes

          Comment


            #6
            Muon is essentially unmaintained, and this application may coded to look for the old software sources tool software-properties-kde
            As they moved to a tool that can be used in both Kubuntu and Lubuntu, the replaced the KDE version with a Qt version, software-properties-qt.

            I do not believe that Muon can use the new tool, it may be hard coded to call the old software-properties-kde
            Muon should work with software-properties-qt, it was the last thing to change in it, back in 2018.


            software-properties-kde and the current software-properties-qt are purely Ubuntu created and specific tools, Neon and KDE have nothing to do with this at all.
            Same for Muon, which has not had a new version since 18.04 was released.

            Kubuntu includes software-properties-qt by default, so Muon Just Works (or it should) in terms of repo management, and probably no one noticed (or cared) that on non-Kubuntu setups, Muon does not depend on software-properties-qt.

            KDE Neon does not include this, as it is a Kubuntu tool, not a KDE one. Same for Muon.

            It is Kubuntu's packaging for Muon that is causing this. It *should* depend on the current software-properties tool , but it is not getting pulled in when it is installed.


            The only things in Neon's repos are Plasma and Qt, everything else is straight from Ubuntu's, including Muon etc.
            Last edited by claydoh; Mar 16, 2021, 12:13 PM.

            Comment


              #7
              Originally posted by Snowhog View Post
              I installed software-properties-qt. Didn't make any difference. Clicking on Settings > Configure Software Sources in Muon Package Manager still complains about the missing software-properties-kde package.
              Well, you can always call it standalone. Either with sudo from CLI or from Launcher as "Software and Updates".
              It's not as you change software sources every day is it :-)
              I understand it's not ideal, but...

              Comment


                #8
                Originally posted by claydoh View Post
                Muon is essentially unmaintained, and this application may coded to look for the old software sources tool software-properties-kde
                As they moved to a tool that can be used in both Kubuntu and Lubuntu, the replaced the KDE version with a Qt version, software-properties-qt.

                I do not believe that Muon can use the new tool, it may be hard coded to call the old software-properties-kde
                Muon should work with software-properties-qt, it was the last thing to change in it, back in 2018.


                software-properties-kde and the current software-properties-qt are purely Ubuntu created and specific tools, Neon and KDE have nothing to do with this at all.
                Same for Muon, which has not had a new version since 18.04 was released.

                Kubuntu includes software-properties-qt by default, so Muon Just Works (or it should) in terms of repo management, and probably no one noticed (or cared) that on non-Kubuntu setups, Muon does not depend on software-properties-qt.

                KDE Neon does not include this, as it is a Kubuntu tool, not a KDE one. Same for Muon.

                It is Kubuntu's packaging for Muon that is causing this. It *should* depend on the current software-properties tool , but it is not getting pulled in when it is installed.


                The only things in Neon's repos are Plasma and Qt, everything else is straight from Ubuntu's, including Muon etc.
                On my newly installed KDE neon User Edition (neon-user-20210311-0944.iso), a reverse depends on muon shows:
                Code:
                Dependencies:  
                4:5.8.0-1xneon+20.04+focal+build3 - apt-xapian-index (0 (null)) libqapt3 (2 3.0.2) libqapt3-runtime (2 3.0.2) libc6 (2 2.14) libdebc
                onf-kde1 (2 1.0.0) libkf5completion5 (0 (null)) libkf5configcore5 (0 (null)) libkf5configgui5 (0 (null)) libkf5configwidgets5 (0 (nu
                ll)) libkf5coreaddons5 (0 (null)) libkf5dbusaddons5 (0 (null)) libkf5i18n5 (0 (null)) libkf5iconthemes5 (0 (null)) libkf5kiocore5 (0
                 (null)) libkf5widgetsaddons5 (0 (null)) libkf5xmlgui5 (0 (null)) libqt5core5a (2 5.15.0+dfsg) libqt5gui5 (2 5.15.0+dfsg) libqt5netw
                ork5 (2 5.15.0+dfsg) libqt5widgets5 (2 5.15.0+dfsg) libstdc++6 (2 4.1.1) muon-updater (0 (null))  
                4:5.8.0-1xneon+20.04+focal+build2 - apt-xapian-index (0 (null)) libqapt3 (2 3.0.2) libqapt3-runtime (2 3.0.2) libc6 (2 2.14) libdebc
                onf-kde1 (2 1.0.0) libkf5completion5 (0 (null)) libkf5configcore5 (0 (null)) libkf5configgui5 (0 (null)) libkf5configwidgets5 (0 (nu
                ll)) libkf5coreaddons5 (0 (null)) libkf5dbusaddons5 (0 (null)) libkf5i18n5 (0 (null)) libkf5iconthemes5 (0 (null)) libkf5kiocore5 (0
                 (null)) libkf5widgetsaddons5 (0 (null)) libkf5xmlgui5 (0 (null)) libqt5core5a (2 5.14.2+dfsg) libqt5gui5 (2 5.14.2+dfsg) libqt5netw
                ork5 (2 5.14.2+dfsg) libqt5widgets5 (2 5.14.2+dfsg) libstdc++6 (2 4.1.1) muon-updater (0 (null))  
                4:5.8.0-1ubuntu5 - apt-xapian-index (0 (null)) kde-cli-tools (0 (null)) libqapt3 (2 3.0.2) libqapt3-runtime (2 3.0.2) software-prope
                rties-qt (0 (null)) kio (0 (null)) libc6 (2 2.14) libdebconf-kde1 (2 1.0.0) libkf5completion5 (2 4.97.0) libkf5configcore5 (2 4.98.0
                ) libkf5configgui5 (2 4.97.0) libkf5configwidgets5 (2 4.96.0) libkf5coreaddons5 (2 4.100.0) libkf5dbusaddons5 (2 4.97.0) libkf5i18n5
                 (2 4.97.0) libkf5iconthemes5 (2 4.96.0) libkf5kiocore5 (2 4.96.0) libkf5widgetsaddons5 (2 4.96.0) libkf5xmlgui-bin (0 (null)) libkf
                5xmlgui5 (2 4.98.0) libqt5core5a (2 5.12.2) libqt5gui5 (18 5.7.0) libqt5gui5-gles (2 5.7.0) libqt5network5 (2 5.4.0~) libqt5widgets5
                 (2 5.11.0~rc1) libstdc++6 (2 4.1.1) software-properties-kde (0 (null)) software-properties-kde (0 (null))
                Last edited by Snowhog; Apr 14, 2022, 12:41 PM.
                Windows no longer obstructs my view.
                Using Kubuntu Linux since March 23, 2007.
                "It is a capital mistake to theorize before one has data." - Sherlock Holmes

                Comment


                  #9
                  I have to stand corrected, Muon is in Neon's repos, dunno how I missed that. Apologies.

                  Code:
                  $ apt policy muon
                  muon:
                  Installed: (none)
                  Candidate: 4:5.8.0-1xneon+20.04+focal+build3
                  Version table:
                  4:5.8.0-1xneon+20.04+focal+build3 500
                  500 http://archive.neon.kde.org/user focal/main amd64 Packages
                  4:5.8.0-1xneon+20.04+focal+build2 500
                  500 http://archive.neon.kde.org/user focal/main amd64 Packages
                  4:5.8.0-1ubuntu5 500
                  500 http://archive.ubuntu.com/ubuntu focal/universe amd64 Packages

                  The actual package does not include software-properties dep, as it would in Ubuntu:

                  Package: muon
                  Version: 4:5.8.0-1xneon+20.04+focal+build3
                  Architecture: amd64
                  Maintainer: Neon CI <neon@kde.org>
                  Installed-Size: 2105
                  Depends: apt-xapian-index, libqapt3 (>= 3.0.2), libqapt3-runtime (>= 3.0.2), libc6 (>= 2.14), libdebconf-kde1 (>= 1.0.0), libkf5completion5, libkf5configcore5, libkf5configgui5, libkf5configwidgets5, libkf5coreaddons5, libkf5dbusaddons5, libkf5i18n5, libkf5iconthemes5, libkf5kiocore5, libkf5widgetsaddons5, libkf5xmlgui5, libqt5core5a (>= 5.15.0+dfsg), libqt5gui5 (>= 5.15.0+dfsg), libqt5network5 (>= 5.15.0+dfsg), libqt5widgets5 (>= 5.15.0+dfsg), libstdc++6 (>= 4.1.1)
                  Recommends: muon-updater

                  Section: kde
                  Priority: optional
                  Homepage: https://projects.kde.org/projects/kde/workspace/muon
                  Description: package manager for KDE
                  Probably worth a bug report, but if no one is working on it, the button and its functionality won't be fixed - the commit from the bug report is from August 2018.
                  And this is easy to get overlooked, as Neon uses an automated packaging system, pulling the code from git branches, and something like this is probably not a commonly used application, in Neon at least.

                  I betcha installing and pinning the Ubuntu version might work, as a workaround to try, barring any possible hard Qt version deps on that version.
                  Last edited by claydoh; Mar 16, 2021, 03:08 PM.

                  Comment


                    #10
                    I 'fixed' the problem, and the fix will persist through upgrades.

                    I created a symbolic link in /usr/bin.

                    sudo ln -s software-properties-qt software-properties-kde

                    Done. I can now access Settings > Configure Software Sources in Muon Package Manager normally. The password dialog window appears, type in my pwd, and Bob is your Uncle.
                    Last edited by Snowhog; Sep 13, 2022, 08:11 AM.
                    Windows no longer obstructs my view.
                    Using Kubuntu Linux since March 23, 2007.
                    "It is a capital mistake to theorize before one has data." - Sherlock Holmes

                    Comment

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