runner

package main

import (
	"fmt"
	"os"
	"path/filepath"

	"github.com/Ensono/taskctl/internal/utils"
	"github.com/Ensono/taskctl/pkg/runner"
	"github.com/Ensono/taskctl/pkg/variables"
)

func helpSetupCleanUp() (path string, defereCleanUp func()) {
	tmpDir, _ := os.MkdirTemp(os.TempDir(), "context-envfile")
	path = filepath.Join(tmpDir, "generated_task_123.env")
	return path, func() {
		os.RemoveAll(tmpDir)
	}
}

func main() {
	outputFilePath, cleanUp := helpSetupCleanUp()

	defer cleanUp()

	osEnvVars := variables.FromMap(map[string]string{"TF_VAR_CAPPED_BY_MSFT": "some value"})
	//  "var2": "original222", "!::": "whatever val will never be added", "incld1": "welcome var", "exclude3": "sadgfddf"})
	userEnvVars := variables.FromMap(map[string]string{})
	envVars := osEnvVars.Merge(userEnvVars)
	execContext := runner.NewExecutionContext(nil, "", envVars, utils.NewEnvFile(func(e *utils.Envfile) {
		e.Generate = true
		e.Path = outputFilePath
		e.Exclude = append(e.Exclude, []string{"excld1", "exclude3", "userSuppliedButExcluded"}...)
		e.Modify = append(e.Modify, []utils.ModifyEnv{
			{Pattern: "^(?P<keyword>TF_VAR_)(?P<varname>.*)", Operation: "lower"},
		}...)

	}), []string{}, []string{}, []string{}, []string{})

	_ = execContext.GenerateEnvfile(envVars)

	contents, _ := os.ReadFile(outputFilePath)
	// for the purposes of the test example we need to make sure the map is
	// always displayed in same order of keys, which is not a guarantee with a map
	fmt.Println(string(contents))
}

Output:

TF_VAR_capped_by_msft=some value

package main

import (
	"bytes"
	"fmt"

	"github.com/Ensono/taskctl/pkg/output"
	"github.com/Ensono/taskctl/pkg/runner"

	taskpkg "github.com/Ensono/taskctl/pkg/task"
)

func main() {
	t := taskpkg.FromCommands("t1", "go doc github.com/Ensono/taskctl/pkg/runner.Runner")
	ob := output.NewSafeWriter(&bytes.Buffer{})
	r, err := runner.NewTaskRunner(func(tr *runner.TaskRunner) {
		tr.Stdout = ob
	})
	if err != nil {
		return
	}
	err = r.Run(t)
	if err != nil {
		fmt.Println(err, t.ExitCode, t.ErrorMessage())
	}
	fmt.Println(ob.String())
	// indentation is important with the matched output here
	

Output: