urpm::main_loop
Section: Mageia Package Management (3)
Updated: 2019-05-25
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NAME
urpm::main_loop - The install/remove main loop for urpm based programs (urpmi, gurpmi, rpmdrake, drakx)
SYNOPSIS
DESCRIPTION
- run($urpm, $state, $something_was_to_be_done, $ask_unselect, $callbacks)
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Run the main urpm loop:
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mount removable media if needed
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split the work in smaller transactions
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for each transaction:
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prepare the transaction
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download packages needed for this small transaction
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verify packages
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split package that should be installed instead of upgraded,
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install source package only (whatever the user is root or not, but use rpm for that)
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install/remove other packages
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migrate the chrooted rpmdb if needed
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display the final success/error message(s)
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Warning: locking is left to callers...
Parameters:
- $urpm: the urpm object
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- $state: the state object (see URPM)
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- $something_was_to_be_done
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- $ask_unselect: an array ref of packages that could not be selected
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- $callbacks: a hash ref of callbacks :
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- packages download:
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- trans_log($mode, $file, $percent, $total, $eta, $speed): called for displaying download progress
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- post_download(): called after completing download of packages
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- interaction with user:
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- ask_yes_or_no($_title, $msg)
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- need_restart($need_restart_formatted) called when restarting urpmi is needed (priority upgrades)
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- message($_title, $msg): display a message (with a title for GUIes)
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- signature management:
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- pre_check_sig(): signature checking startup (for rpmdrake)
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- check_sig(): signature checking progress (for rpmdrake)
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- bad_signature($msg, $msg2): called when a package is not/badly signed
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- removable media management:
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- pre_removable(): called before handling removable media (for rpmdrake)
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- copy_removable($medium_name): called for asking inserting a CD/DVD
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- post_extract($set, $transaction_sources, $transaction_sources_install) called after handling removable media (for rpmdrake)
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- packages installation callbacks (passed to urpm::install::install(), see URPM for parameters)
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- open_helper(): called when opening a package, must return a fd
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- close_helper(): called when package is closed
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- inst() called for package opening/progress/end
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- trans() called for transaction opening/progress/end
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- uninst(): called for erasure progress
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- error() called for cpio, script or unpacking errors
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- finish callbacks (mainly GUI callbacks for rpmdrake/gurpmi/drakx)
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- completed(): called when everything is completed (for cleanups)
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- trans_error_summary($nok, $errors) called to warn than $nok transactions failed with $errors messages
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- success_summary() called on success
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- already_installed_or_not_installable($msg1, $msg2)
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COPYRIGHT
Copyright (C) 1999-2005 MandrakeSoft
SA
Copyright (C) 2005-2010 Mandriva SA
Copyright (C) 2011-2017 Mageia