114 lines
2.3 KiB
Go
114 lines
2.3 KiB
Go
package registry
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import (
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"text/template"
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"go.jolheiser.com/tmpl/config"
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"github.com/AlecAivazis/survey/v2"
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)
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func prompt(dir string, defaults bool) (templatePrompts, error) {
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templatePath := filepath.Join(dir, "tmpl.yaml")
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fi, err := os.Open(templatePath)
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if err != nil {
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return nil, err
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}
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defer fi.Close()
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cfg, err := config.Load(fi)
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if err != nil {
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return nil, err
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}
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prompts := make(templatePrompts, 0, len(cfg.Prompts))
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for _, prompt := range cfg.Prompts {
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tp := templatePrompt{
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Prompt: prompt,
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}
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if tp.Label == "" {
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tp.Label = tp.ID
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}
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prompts = append(prompts, tp)
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}
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for idx, prompt := range prompts {
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// Check for env variable
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envKey := strings.ToUpper(prompt.ID)
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if e, ok := os.LookupEnv(fmt.Sprintf("TMPL_VAR_%s", envKey)); ok {
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prompts[idx].Value = e
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os.Setenv(fmt.Sprintf("TMPL_PROMPT_%s", envKey), e)
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continue
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}
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// Check if we are using defaults
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if defaults {
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val := os.ExpandEnv(prompt.Default)
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prompts[idx].Value = val
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os.Setenv(fmt.Sprintf("TMPL_PROMPT_%s", envKey), val)
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continue
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}
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// Otherwise, prompt
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var p survey.Prompt
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if len(prompt.Options) > 0 {
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opts := make([]string, 0, len(prompt.Options))
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for idy, opt := range prompt.Options {
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opts[idy] = os.ExpandEnv(opt)
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}
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p = &survey.Select{
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Message: prompt.Label,
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Options: opts,
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Help: prompt.Help,
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}
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} else {
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p = &survey.Input{
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Message: prompt.Label,
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Default: os.ExpandEnv(prompt.Default),
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Help: prompt.Help,
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}
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}
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var a string
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if err := survey.AskOne(p, &a); err != nil {
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return nil, err
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}
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prompts[idx].Value = a
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os.Setenv(fmt.Sprintf("TMPL_PROMPT_%s", envKey), a)
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}
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return prompts, nil
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}
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type templatePrompt struct {
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config.Prompt
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Value string
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}
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type templatePrompts []templatePrompt
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// ToMap converts a slice to templatePrompt into a suitable template context
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func (t templatePrompts) ToMap() map[string]any {
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m := make(map[string]any)
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for _, p := range t {
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m[p.ID] = p.Value
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}
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return m
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}
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// ToFuncMap converts a slice of templatePrompt into a suitable template.FuncMap
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func (t templatePrompts) ToFuncMap() template.FuncMap {
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m := make(map[string]any)
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for k, v := range t.ToMap() {
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vv := v // Enclosure
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m[k] = func() any {
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return vv
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}
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}
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return m
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}
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