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envbound.go
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envbound.go
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// Copyright 2022 Namespace Labs Inc; All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
package fncobra
import (
"context"
"github.com/spf13/cobra"
"namespacelabs.dev/foundation/internal/fnerrors"
"namespacelabs.dev/foundation/internal/parsing/module"
"namespacelabs.dev/foundation/std/cfg"
)
// Deprecated, use "ParseEnv"/"FixedEnv" instead.
func CmdWithEnv(cmd *cobra.Command, f func(context.Context, cfg.Context, []string) error) *cobra.Command {
var envRef string
cmd.Flags().StringVar(&envRef, "env", "dev", "The environment to access (as defined in the workspace).")
cmd.RunE = RunE(func(ctx context.Context, args []string) error {
root, err := module.FindRoot(ctx, ".")
if err != nil {
return err
}
env, err := cfg.LoadContext(root, envRef)
if err != nil {
return err
}
return f(ctx, env, args)
})
return cmd
}
type parseEnv struct {
envOut *cfg.Context
envRef string
}
func ParseEnv(envOut *cfg.Context) ArgsParser {
return &parseEnv{envOut: envOut}
}
// HardcodeEnv is a temporary facility to trigger context loading with a predefined environment name.
func HardcodeEnv(envOut *cfg.Context, env string) ArgsParser {
return &parseEnv{envOut: envOut, envRef: env}
}
func (p *parseEnv) AddFlags(cmd *cobra.Command) {
if p.envRef == "" {
cmd.Flags().StringVar(&p.envRef, "env", "dev", "The environment to access (as defined in the workspace).")
}
}
func (p *parseEnv) Parse(ctx context.Context, args []string) error {
if p.envOut == nil {
return fnerrors.InternalError("envOut must be set")
}
root, err := module.FindRoot(ctx, ".")
if err != nil {
return err
}
env, err := cfg.LoadContext(root, p.envRef)
if err != nil {
return err
}
*p.envOut = env
return nil
}