mirror of
https://github.com/holos-run/holos.git
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012de360ac
Makes it easier to test and know for certain where the value is being set from. Previously it wasn't clear how the write to directory was being modified or read in the global config object.
67 lines
1.9 KiB
Go
67 lines
1.9 KiB
Go
package component
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import (
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"fmt"
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"io"
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"os"
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"runtime"
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"github.com/holos-run/holos/internal/cli/command"
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"github.com/holos-run/holos/internal/errors"
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"github.com/holos-run/holos/internal/holos"
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"github.com/spf13/cobra"
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"github.com/spf13/pflag"
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)
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type Config struct {
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// TagMap represents cue tags to inject.
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TagMap holos.TagMap
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// Concurrency represents the number of subcommands to execute concurrently.
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Concurrency int
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// WriteTo represents the output base directory for rendered artifacts.
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WriteTo string
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// Stderr represents the standard error output pipe. Used to copy stderr
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// output from subcommands.
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Stderr io.Writer
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}
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func (c *Config) flagSet() *pflag.FlagSet {
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fs := pflag.NewFlagSet("", pflag.ContinueOnError)
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fs.StringVar(&c.WriteTo, "write-to", c.WriteTo, fmt.Sprintf("write to directory (%s)", holos.WriteToEnvVar))
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fs.VarP(c.TagMap, "inject", "t", holos.TagMapHelp)
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fs.IntVar(&c.Concurrency, "concurrency", c.Concurrency, "number of concurrent build steps")
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return fs
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}
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func NewConfig() Config {
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cfg := Config{
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Concurrency: runtime.NumCPU(),
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TagMap: make(holos.TagMap),
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Stderr: os.Stderr,
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WriteTo: os.Getenv(holos.WriteToEnvVar),
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}
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if cfg.WriteTo == "" {
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cfg.WriteTo = holos.WriteToDefault
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}
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return cfg
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}
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// NewCommand returns the subcommand that renders individual components.
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func NewCommand(cfg Config) *cobra.Command {
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cmd := command.New("component DIRECTORY")
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cmd.Args = cobra.ExactArgs(1)
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cmd.Short = "render a platform component"
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cmd.Flags().AddFlagSet(cfg.flagSet())
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cmd.RunE = func(cmd *cobra.Command, args []string) error {
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ctx := cmd.Root().Context()
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// TODO(jjm): Handle fully qualified paths for tests where cwd != tempdir
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root, err := os.Getwd()
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if err != nil {
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return errors.Wrap(err)
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}
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component := New(root, args[0])
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return component.Render(ctx, cfg.WriteTo, cmd.ErrOrStderr(), cfg.Concurrency, cfg.TagMap)
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}
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return cmd
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}
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