#17129 Require goals to explicitly locate/choose an environment, and pin `graph` calculations to `__local__` Issue created by stuhood Currently,

determine_bootstrap_environment

is called to compute a "default"

EnvironmentName

before the rule graph is entered, such that all `@goal_rule`s have one in scope automatically. While this was useful for getting things going and proving out our cross-compilation capabilities (demonstrated in #11148 and #13682), it is error prone. The environment design has been trending toward (eventually) giving all targets an

environment=

field (even if the vast majority of the time it is only set via

__defaults__

). And in a world where ~all targets have an

environment=

field, ever accidentally using the default would definitely represent an issue. Instead, we'd like to put the onus on each

@goal_rule

to select the relevant environment (usually via targets). Additionally, to resolve the open question in Appendix A in the design doc, we will pin effectively all calculations in

graph.py

to the

__local__

environment (to eventually potentially be made configurable). This will mean that graph-introspection goals won't need to choose environments, and other `@goal_rule`s won't need to select an environment while computing the graph. pantsbuild/pants

#17129 Require goals to explicitly locate/choose an environment, and pin `graph` calculations to `__local__` Issue closed as completed by stuhood pantsbuild/pants