dagger input edit

See and edit all the inputs in bulk using $EDITOR

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>
This commit is contained in:
Andrea Luzzardi 2021-05-28 16:54:37 -07:00
parent d9c1e6d57e
commit 9deb80c487
3 changed files with 115 additions and 0 deletions

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@ -0,0 +1,113 @@
package input
import (
"context"
"fmt"
"os"
"os/exec"
"strings"
"go.dagger.io/dagger/cmd/dagger/cmd/common"
"go.dagger.io/dagger/cmd/dagger/logger"
"go.dagger.io/dagger/state"
"github.com/google/shlex"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"gopkg.in/yaml.v3"
)
var editCmd = &cobra.Command{
Use: "edit",
Short: "Interactively edit the inputs of an environment",
Args: cobra.MaximumNArgs(1),
PreRun: func(cmd *cobra.Command, args []string) {
// Fix Viper bug for duplicate flags:
// https://github.com/spf13/viper/issues/233
if err := viper.BindPFlags(cmd.Flags()); err != nil {
panic(err)
}
},
Run: func(cmd *cobra.Command, args []string) {
lg := logger.New()
ctx := lg.WithContext(cmd.Context())
workspace := common.CurrentWorkspace(ctx)
st := common.CurrentEnvironmentState(ctx, workspace)
data, err := yaml.Marshal(st)
if err != nil {
lg.Fatal().Err(err).Msg("unable to marshal state")
}
f, err := os.CreateTemp("", fmt.Sprintf("%s-*.yaml", st.Name))
if err != nil {
lg.Fatal().Err(err).Msg("failed to create temporary file")
}
tmpPath := f.Name()
defer os.Remove(tmpPath)
if _, err := f.Write(data); err != nil {
lg.Fatal().Err(err).Msg("unable to write file")
}
f.Close()
if err := runEditor(ctx, tmpPath); err != nil {
lg.Fatal().Err(err).Msg("failed to start editor")
}
data, err = os.ReadFile(tmpPath)
if err != nil {
lg.Fatal().Err(err).Msg("failed to read temporary file")
}
var newState state.State
if err := yaml.Unmarshal(data, &newState); err != nil {
lg.Fatal().Err(err).Msg("failed to decode file")
}
st.Inputs = newState.Inputs
if err := workspace.Save(ctx, st); err != nil {
lg.Fatal().Err(err).Msg("failed to save state")
}
},
}
func runEditor(ctx context.Context, path string) error {
editor := os.Getenv("EDITOR")
var cmd *exec.Cmd
if editor == "" {
editor, err := lookupAnyEditor("vim", "nano", "vi")
if err != nil {
return err
}
cmd = exec.CommandContext(ctx, editor, path)
} else {
parts, err := shlex.Split(editor)
if err != nil {
return fmt.Errorf("invalid $EDITOR: %s", editor)
}
parts = append(parts, path)
cmd = exec.CommandContext(ctx, parts[0], parts[1:]...) // #nosec
}
cmd.Env = os.Environ()
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
}
func lookupAnyEditor(editorNames ...string) (editorPath string, err error) {
for _, editorName := range editorNames {
editorPath, err = exec.LookPath(editorName)
if err == nil {
return editorPath, nil
}
}
return "", fmt.Errorf("no editor available: dagger attempts to use the editor defined in the EDITOR environment variable, and if that's not set defaults to any of %s, but none of them could be found", strings.Join(editorNames, ", "))
}
func init() {
if err := viper.BindPFlags(editCmd.Flags()); err != nil {
panic(err)
}
}

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@ -20,6 +20,7 @@ var Cmd = &cobra.Command{
func init() {
Cmd.AddCommand(
editCmd,
dirCmd,
gitCmd,
containerCmd,

1
go.mod
View File

@ -10,6 +10,7 @@ require (
github.com/containerd/console v1.0.2
github.com/docker/distribution v2.7.1+incompatible
github.com/emicklei/proto v1.9.0 // indirect
github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
github.com/hashicorp/go-version v1.3.0
github.com/jaguilar/vt100 v0.0.0-20150826170717-2703a27b14ea
github.com/mattn/go-colorable v0.1.8 // indirect