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task/taskfile/read/dotenv.go

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package read
import (
"os"
"path/filepath"
"github.com/joho/godotenv"
"github.com/go-task/task/v3/internal/compiler"
"github.com/go-task/task/v3/internal/templater"
"github.com/go-task/task/v3/taskfile"
)
func Dotenv(c compiler.Compiler, tf *taskfile.Taskfile, dir string) (*taskfile.Vars, error) {
if len(tf.Dotenv) == 0 {
return nil, nil
}
vars, err := c.GetTaskfileVariables()
if err != nil {
return nil, err
}
env := &taskfile.Vars{}
tr := templater.Templater{Vars: vars, RemoveNoValue: true}
for _, dotEnvPath := range tf.Dotenv {
dotEnvPath = tr.Replace(dotEnvPath)
if !filepath.IsAbs(dotEnvPath) {
dotEnvPath = filepath.Join(dir, dotEnvPath)
}
if _, err := os.Stat(dotEnvPath); os.IsNotExist(err) {
continue
}
envs, err := godotenv.Read(dotEnvPath)
if err != nil {
return nil, err
}
for key, value := range envs {
if _, ok := env.Mapping[key]; !ok {
env.Set(key, taskfile.Var{Static: value})
}
}
}
return env, nil
}