How to use the command 'debchange' (with examples)

The ‘debchange’ command is a tool for maintaining the debian/changelog file in a Debian source package. It allows users to add new version entries, append changelog entries to the current version, and add changelog entries to close specific bug IDs.

Use case 1: Add a new version for a non-maintainer upload to the changelog

Code:

debchange --nmu

Motivation: When there is a non-maintainer upload (NMU) to a Debian source package, it is necessary to add a new version entry to the changelog. This helps keep track of the changes made by different contributors.

Explanation: The --nmu option is used to signify that the version entry being added is for a non-maintainer upload. It ensures that the entry is formatted correctly according to Debian’s guidelines.

Example output:

debchange: added nmu entry
debchange: new version is 1.2.3-1+nmu1

Use case 2: Add a changelog entry to the current version

Code:

debchange --append

Motivation: Appending a changelog entry to the current version can be helpful when there are additional changes or updates to be documented after the initial version entry has been made. This allows for a more accurate and up-to-date changelog.

Explanation: The --append option is used to add a new changelog entry to the current version. It ensures that the entry is correctly formatted and placed within the existing changelog structure.

Example output:

debchange: added changelog entry
debchange: new version is 1.2.3-1

Use case 3: Add a changelog entry to close the bug with specified ID

Code:

debchange --closes bug_id

Motivation: It is important to track the closure of specific bug IDs in the changelog. This helps in providing transparency and accountability for bug fixes and improvements made in the source package.

Explanation: The --closes option is used to indicate that the changelog entry being added is related to closing a specific bug. The bug_id argument should be replaced with the actual ID of the bug being closed. This ensures that the entry includes the necessary information and properly documents the bug closure.

Example output:

debchange: added closes entry for bug #123456
debchange: new version is 1.2.3-1

Conclusion:

The ‘debchange’ command is a useful tool for maintaining the debian/changelog file in a Debian source package. With its various options, it allows for easy addition of new version entries, appending changelog entries to the current version, and documenting the closure of specific bug IDs. By using the command in the appropriate use cases described above, developers and contributors can ensure accurate and organized changelog records for their Debian source packages.