Describe the bug

When I use the Session installer, the app that's being installed appears in the system settings as "downloaded from Droid-ify".
When I use the Shizuku installer, it doesn't list anything about what downloaded or installed it.

To Reproduce

1. Open Droid-ify settings
2. Set installer to Shizuku and authorize access to Shizuku
3. Install any app using Droid-ify
4. Go to the installed app's properties in system settings
5. Note how the "App downloaded from..." is missing

Alternatively:

4. run pm list packages -i | grep <installed.package>
5. Note how it lists installer=null

Expected behavior

The app is listed as installed by Droid-ify; pm list packages -i returns installer=com.looker.droidify

Screenshots

As an example, I installed Newpipe using Droid-ify, using:

• Session installer

• Shizuku installer

Smartphone (please complete the following information):

• Device: Galaxy A52s 5G
• OS: stock (Android 14, OneUI 6.1)
• Version: v0.6.5 (installed from F-Droid official repo)

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Additional context

The Shizuku installer uses pm install-create here:

The -S $fileSize in itself is useless here and does nothing.

Instead it should be applied to pm install-write, as is already correctly done here:

Normally, if in the pm install-create (or in pm install) the value for -i was missing, the command would've failed and thrown an error.

However, since there's -S $fileSize trailing after the -i, the command will continue silently, even if $packageName is not set - resulting in the same outcome as the current behavior. Feel free to try it manually in a shell if you'd like to verify this.

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Therefore, my guess is that the variable $packageName is either empty or unset (even though it should be set to com.looker.droidify).
I am unfortunately not able to figure out why that variable isn't set correctly, so I'm listing all my findings here in this issue, hoping it helps resolve it.

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A couple side notes:

• Is there any reason for the discrepancy between the Shizuku installer and the Root installer behavior? One is using pm install-create, while the other is using plain pm install.

  client/app/src/main/kotlin/com/looker/droidify/installer/installers/root/RootInstaller.kt

  Line 42 in 87ce776

  private const val INSTALL_COMMAND = "cat %s | pm install --user %s -t -r -S %s"

• Additionally, the Root installer doesn't set -i $packageName at all. Is that intentional?

These two piqued my curiosity, so I thought I'd bring attention to these in case the difference is unintentional.