Class: Yast::PackageLockClass

Inherits:
Module
  • Object
show all
Defined in:
library/packages/src/modules/PackageLock.rb

Instance Method Summary collapse

Instance Method Details

#AskPackageKit ⇒ Boolean

Ask whether to quit PackageKit if it is running

Returns:

  • (Boolean) —

    true if PackageKit was asked to quit



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# File 'library/packages/src/modules/PackageLock.rb', line 50

def AskPackageKit
  ret = false

  if PackageKit.IsRunning
    # ask to send quit signal to PackageKit
    msg = if @packagekit_asked
      _(
        "PackageKit is still running (probably busy).\nAsk PackageKit to quit again?"
      )
    else
      _(
        "PackageKit is blocking software management.\n" \
        "This happens when the updater applet or another software management\n" \
        "application is running.\n" \
        "\n" \
        "Ask PackageKit to quit?"
      )
    end

    @packagekit_asked = true

    if Popup.YesNo(msg)
      PackageKit.SuggestQuit
      ret = true
    end
  end

  ret
end

#Check ⇒ Object

Tries to acquire the packager (zypp) lock. Reports an error if another process has the lock already. Will only report once even if called multiple times.

Returns:

  • true if we can continue



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# File 'library/packages/src/modules/PackageLock.rb', line 84

def Check
  # we already have a lock
  return @have_lock if !@have_lock.nil?

  # just to allow 'Retry', see more in bug #280383
  try_again = true

  # while not having a lock and user wants to try again
  while try_again
    # Invoke a cheap call that accesses the zypp lock
    @have_lock = Pkg.Connect == true # nil guard
    break if @have_lock == true

    if @have_lock != true
      if AskPackageKit()
        # let the PackageKit quit before retrying
        Builtins.sleep(2000)
        next
      end

      try_again = Popup.AnyQuestion(
        # TRANSLATORS: a popup headline
        _("Accessing the Software Management Failed"),
        Ops.add(
          Ops.add(Pkg.LastError, "\n\n"),
          # TRANSLATORS: an error message with question
          _(
            "Would you like to continue without having access\nto the software management or retry to access it?\n"
          )
        ),
        Label.ContinueButton,
        Label.RetryButton,
        # 'Continue' instead of 'Retry'
        :focus_yes
      ) == false
    end

    Builtins.y2milestone("User decided to retry...") if try_again
  end

  Builtins.y2milestone("PackageLock::Check result: %1", @have_lock)
  @have_lock
end

#Connect(show_continue_button) ⇒ Hash

Tries to acquire the packager (zypp) lock. Reports an error if another process has the lock already. Will only report once even if called multiple times.

Parameters:

  • show_continue_button (Boolean) —

    show option to continue without access

Returns:

  • (Hash) —

    with lock status and user reaction



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# File 'library/packages/src/modules/PackageLock.rb', line 133

def Connect(show_continue_button)
  # we already have a lock
  return { "connected" => @have_lock, "aborted" => @aborted } if !@have_lock.nil?

  try_again = true

  # while not having a lock and user wants to try again
  while try_again
    # Invoke a cheap call that accesses the zypp lock
    @have_lock = Pkg.Connect == true # nil guard
    break if @have_lock == true

    if @have_lock != true
      if AskPackageKit()
        # let the PackageKit quit before retrying
        Builtins.sleep(2000)
        next
      end

      if show_continue_button
        ret2 = Popup.AnyQuestion3(
          # TRANSLATORS: a popup headline
          _("Accessing the Software Management Failed"),
          Ops.add(
            Ops.add(Pkg.LastError, "\n\n"),
            # TRANSLATORS: an error message with question
            _(
              "Would you like to retry accessing the software manager,\n" \
              "continue without having access to the software management,\n" \
              "or abort?\n"
            )
          ),
          Label.RetryButton,
          Label.ContinueButton,
          Label.AbortButton,
          # default is 'Retry'
          :focus_yes
        )

        try_again = ret2 == :yes

        # NOTE: due to the changed labels this actually means that [Abort] was pressed!!
        @aborted = true if ret2 == :retry
      else
        ret2 = Popup.AnyQuestion(
          # TRANSLATORS: a popup headline
          _("Accessing the Software Management Failed"),
          Ops.add(
            Ops.add(Pkg.LastError, "\n\n"),
            # TRANSLATORS: an error message with question
            _("Would you like to abort or try again?\n")
          ),
          Label.RetryButton,
          Label.AbortButton,
          # default is 'Retry'
          :focus_yes
        )

        try_again = ret2
        @aborted = !ret2
      end

      Builtins.y2milestone(
        "try_again: %1, aborted: %2",
        try_again,
        @aborted
      )
    end

    Builtins.y2milestone("User decided to retry...") if try_again
  end

  ret = { "connected" => @have_lock, "aborted" => @aborted }
  Builtins.y2milestone("PackageLock::Connect result: %1", ret)

  deep_copy(ret)
end

#main ⇒ Object 



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# File 'library/packages/src/modules/PackageLock.rb', line 34

def main
  Yast.import "Pkg"
  textdomain "base"

  Yast.import "Popup"
  Yast.import "Label"
  Yast.import "PackageKit"

  @have_lock = nil
  @aborted = false
  # display a different message in the first PackageKit quit confirmation
  @packagekit_asked = false
end