doodle/cmd/doodad/commands/install_script.go

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package commands
import (
"fmt"
"io/ioutil"
"git.kirsle.net/apps/doodle/pkg/doodads"
"git.kirsle.net/apps/doodle/pkg/log"
"github.com/urfave/cli"
)
// InstallScript to add the script to a doodad file.
var InstallScript cli.Command
func init() {
InstallScript = cli.Command{
Name: "install-script",
Usage: "install the JavaScript source to a doodad",
ArgsUsage: "<index.js> <filename.doodad>",
Flags: []cli.Flag{
cli.StringFlag{
Name: "key",
Usage: "chroma key color for transparency on input image files",
Value: "#ffffff",
},
},
Action: func(c *cli.Context) error {
if c.NArg() != 2 {
return cli.NewExitError(
"Usage: doodad install-script <script.js> <filename.doodad>",
1,
)
}
var (
args = c.Args()
scriptFile = args[0]
doodadFile = args[1]
)
// Read the JavaScript source.
javascript, err := ioutil.ReadFile(scriptFile)
if err != nil {
return cli.NewExitError(err.Error(), 1)
}
doodad, err := doodads.LoadJSON(doodadFile)
if err != nil {
return cli.NewExitError(
fmt.Sprintf("Failed to read doodad file: %s", err),
1,
)
}
doodad.Script = string(javascript)
doodad.WriteJSON(doodadFile)
log.Info("Installed script successfully")
return nil
},
}
}