Build command reference

View the technical specifications of the y42 build command.

Command flags

• --select / -s
• --exclude
• --stale

Graph operators

• + selects parents or children
• @ selects children and all of its children's upstream assets
• +N selects parents or children up to N edges away
• * selects matched assets within a directory

Methods

• source: selects assets that depend on a specified source
• exposure: selects parents of a specified exposure
• tag: selects assets that have a specific tag

Set operators

• space-delineation - selects union of options
• comma-delination - selects intersect of options

Unions

Running y42 build with a whitespace-separation between options selects the union of all the options provided. All assets that fulfill the selection criteria for at least one option are selected.

Intersections

On the other hand, running y42 build with a comma-separation between options without whitespaces selects the intersection of all the options provided. Only assets that fulfill the selection criteria for all options are selected.