# Configuring Createrepo Execution

To configure `createrepo` command execution, navigate to Window > Preferences and select the Createrepo preference node.

1
  Include the file's checksum in the files generated by the command (enabled by default)

2
  Generate sqlite databases for use with yum (enabled by default)

3
  Ignore symlinks of packages (disabled by default)

4
  Output xml files in pretty format (disabled by default)

5
  Number of workers to spawn to read RPMs. A value of 0 lets `createrepo` to automatically determine it for the user (0 is default)

6
  Don't generate repo metadata, if their timestamps are newer than its RPMs. User should Update first before executing `createrepo` with this enabled (disabled by default)

7
  Only import the last N changelog entries from each RPM into the metadata. A value of 0 lets `createrepo` to automatically import all entries for the user (0 is default)

8
  Choose the checksum type used in `repomd.xml` and for packages in the metadata ( sha256 is default)

9
  Specify which compression method to use ( compat is default)

## Repository Specific Configuration

The `createrepo` command may also be configured specific to the project/repository it is being executed on. To view/enable these settings, right-click on any Createrepo project > Properties and select the Createrepo property node.

Note that these settings are only visible to projects that were created with the Createrepo project or for `.repo` files.

The general project properties is almost identical to the preference page, except for allowing the user to choose if they want to enable the project properties.

1
  Enable the project specific settings. If enabled, the settings set here are preferred over the workspace preferences (disabled by default)

2
  A link to modify the workspace preferences. Clicking it will pop-up a new dialog box similar to that if the user were to navigate to Window > Preferences > Createrepo preference node.

### Deltas

Deltas tells `createrepo` to generate deltarpms and the delta metadata. These settings are visible under the Createrepo > Deltas project property node.

1
  Generate deltarpms and the delta metadata for the repository (disabled by default)

2
  The number of older versions to make deltas against (1 is default)

3
  Max size of an RPM to run deltarpm against in MegaBytes (10 is default)

4
  A list of paths to look for older packages to delta against. There can be multiple paths