CachingResult result = performSkip(work, context);
        broadcastWorkInputs(work, true);
        return result;
    }

    abstract protected CachingResult performSkip(UnitOfWork work, C context);

    private CachingResult executeWithNonEmptySources(UnitOfWork work, C context) {
        broadcastWorkInputs(work, false);

cat q/go.mod
cp go.work.21 go.work
go list -f '{{.Module.GoVersion}} {{.DefaultGODEBUG}}'
! stdout panicnil
stdout randautoseed=0
rm go.work

# Go 1.20 workspace with Go 1.21 module cannot happen.
cp go.work.20 go.work
cp go.mod.21 go.mod
! go list -f '{{.Module.GoVersion}} {{.DefaultGODEBUG}}'
stderr 'go: module . listed in go.work file requires go >= 1.21'
rm go.work

        when:
        def result = step.execute(work, context)

        then:
        result == delegateResult

        _ * work.executionBehavior >> UnitOfWork.ExecutionBehavior.NON_INCREMENTAL
        1 * delegate.execute(work, _ as IncrementalChangesContext) >> { UnitOfWork work, IncrementalChangesContext delegateContext ->
            def changes = delegateContext.changes.get()

# any dependencies.
go tool covdata pkglist -i=$WORK/covdata
stdout cmd/nm
! stdout cmd/internal/goobj pkglist.txt

# ... now collect a coverage profile from a Go file
# listed on the command line.
go build -cover -o $WORK/another.exe testdata/another.go
mkdir $WORK/covdata2
env GOCOVERDIR=$WORK/covdata2
exec $WORK/another.exe 

# Restore previous GOCOVERDIR setting
env GOCOVERDIR=$SAVEGOCOVERDIR

    }
    /**
     * Register a new item of asynchronous work with the provided build operation.
     *
     * @param operation - The build operation to associate the asynchronous work with
     * @param completion - The completion of the asynchronous work

[!GOOS:windows] env GOCACHE=$WORK/gocache
[GOOS:windows] env GOCACHE=$WORK\gocache

# 'go build' should use GOTMPDIR if set.
[!GOOS:windows] env GOTMPDIR=$WORK/my-favorite-tmpdir
[GOOS:windows] env GOTMPDIR=$WORK\my-favorite-tmpdir
mkdir $GOTMPDIR
go build -x hello.go
stderr ^WORK=.*my-favorite-tmpdir

# Make GOTMPDIR a regular file. This prevents the creation of work directories,

	example.com/a/x v0.1.0 => ./ax
)
-- $WORK/importx/importx.go --
package importx
import _ "example.com/a/x"
-- $WORK/importy/importy.go --
package importy
import _ "example.com/a/y"
-- $WORK/a/go.mod --
module example.com/a
go 1.14
-- $WORK/a/x/x.go --
package x
-- $WORK/a/y/y.go --
package y
-- $WORK/ax/go.mod --
module example.com/a/x
go 1.14
-- $WORK/ax/x.go --

env GO111MODULE=off
env GOPATH=$WORK/p1${:}$WORK/p2
mkdir $WORK/p1/src/foo $WORK/p2/src/baz
mkdir $WORK/p2/pkg/${GOOS}_${GOARCH} $WORK/p1/src/bar
cp foo.go $WORK/p1/src/foo/foo.go
cp baz.go $WORK/p2/src/baz/baz.go
cp foo.a $WORK/p2/pkg/${GOOS}_${GOARCH}/foo.a
cp bar.go $WORK/p1/src/bar/bar.go

go install -x bar

# add in baz.a to the mix
mkdir $WORK/p1/pkg/${GOOS}_${GOARCH}

env GO111MODULE=off
go list ./...
[!GOOS:windows] stdout ^_$WORK/gopath/src$
[GOOS:windows] stdout gopath/src$

go list all
! stdout gopath/src

-- $WORK/goroot/src/go.mod --
module std

go 1.14
-- $WORK/goroot/src/foo.go --
package foo
-- $WORK/goroot/src/fmt/fmt.go --
package fmt
-- $WORK/goroot/src/cmd/README --
This directory must exist in order for the 'cmd' pattern to have something to
match against.

        /**
         * Execute the unit of work using available optimizations like
         * up-to-date checks, build cache and incremental execution.
         */
        Result execute();

        /**
         * Load the unit of work from the given cache, or defer its execution.
         *
         * If the cache already contains the outputs for the given work, an already finished {@link Deferrable} will be returned.