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An action created during rule analysis.
This object is visible for the purpose of testing, and may be obtained from an Actions
provider. It is normally not necessary to access Action
objects or their fields within a rule's implementation function. You may instead want to see the Rules page for a general discussion of how to use actions when defining custom rules, or the API reference for creating actions.
Some fields of this object are only applicable for certain kinds of actions. Fields that are inapplicable are set to None
.
Members
args
sequence Action.args
A list of frozen
Args objects containing information about the action arguments. These objects contain accurate argument information, including arguments involving expanded action output directories. However,
Args objects are not readable in the analysis phase. For a less accurate account of arguments which is available in the analysis phase, see
argv.
Note that some types of actions do not yet support exposure of this field. For such action types, this is None
.
May return None
.
argv
sequence Action.argv
For actions created by
ctx.actions.run() or
ctx.actions.run_shell() an immutable list of the arguments for the command line to be executed. Note that for shell actions the first two arguments will be the shell path and
"-c"
.
May return
None
.
content
string Action.content
For actions created by
ctx.actions.write() or
ctx.actions.expand_template(), the contents of the file to be written, if those contents can be computed during the analysis phase. The value is
None
if the contents cannot be determined until the execution phase, such as when a directory in an
Args object needs to be expanded.
May return
None
.
env
dict Action.env
The 'fixed' environment variables for this action. This includes only environment settings which are explicitly set by the action definition, and thus omits settings which are only pre-set in the execution environment.
depset Action.inputs
A set of the input files of this action.
mnemonic
string Action.mnemonic
The mnemonic for this action.
outputs
depset Action.outputs
A set of the output files of this action.
substitutions
dict Action.substitutions
For actions created by
ctx.actions.expand_template(), an immutable dict holding the substitution mapping.
May return
None
.