ucfr

ucfr package config-file [original-file] [install-dir]

package
    The name of the Debian package that owns the configuration file being managed.

config-file
    The full path to the configuration file that ucf is managing.

original-file
    (Optional) The full path to the original, unmodified version of the configuration file supplied by the package. This is used by ucf for comparison with the current file.

install-dir
    (Optional) The directory where the configuration file is installed or where ucf should look for it. This can influence how paths are resolved internally.

The ucfr (update-config-files-refreshed) command is a specialized helper script for ucf (Update Config Files), a utility predominantly used in Debian-based Linux distributions for managing configuration files during package installations and upgrades. Its primary function is to refresh ucf's internal database concerning configuration files. When a package utilizes ucf to handle its configuration files, ucfr ensures that ucf is aware of the current state and versions of these files, especially after a package has been upgraded or reinstalled. This mechanism enables ucf to accurately manage conflicts between user-modified configurations and new package-supplied versions, prompting the user for appropriate actions (e.g., install new, keep old, merge) when conflicts arise. ucfr is typically invoked by package maintainer scripts automatically rather than being run directly by end-users.

ucfr is not designed for direct end-user invocation. It is an internal script primarily called by package maintainer scripts as part of the ucf utility suite. Its functionality is deeply integrated with ucf's database management.

ucfr is an internal script primarily used by the ucf utility itself or by package maintainer scripts during package installations and upgrades. It helps ucf keep track of the state and versions of configuration files it manages, which is crucial for proper conflict resolution and decision-making during subsequent package operations.

Unlike most Linux commands, ucfr is rarely invoked directly by an end-user from the command line. Its function is to update ucf's internal database regarding configuration files, typically after a package has been installed, upgraded, or purged, ensuring the integrity and accuracy of the configuration management system.

ucf, and subsequently ucfr, were developed within the Debian project to provide a robust and standardized method for handling configuration file updates during package upgrades. Prior to ucf, managing conflicts between user-modified configuration files and new package versions could be inconsistent, often leading to files being overwritten or requiring manual intervention. ucf aimed to streamline this process, allowing maintainers to define how their configuration files should be managed and prompting users for decisions (e.g., keep old, install new, merge) when conflicts arise. ucfr specifically emerged as a component to update ucf's internal state regarding the 'freshness' or status of configuration files, ensuring ucf operates with the most current information. Its development is integral to the evolution of Debian's package management practices, contributing to better user experience and system stability.

ucf(1), dpkg(8), apt(8)