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package custom_commands
import (
"github.com/jesseduffield/generics/slices"
"github.com/jesseduffield/lazygit/pkg/commands"
"github.com/jesseduffield/lazygit/pkg/commands/oscommands"
"github.com/jesseduffield/lazygit/pkg/config"
"github.com/jesseduffield/lazygit/pkg/gui/style"
"github.com/jesseduffield/lazygit/pkg/gui/types"
"github.com/jesseduffield/lazygit/pkg/utils"
)
// takes a custom command and returns a function that will be called when the corresponding user-defined keybinding is pressed
type HandlerCreator struct {
c *types.HelperCommon
os *oscommands.OSCommand
git *commands.GitCommand
sessionStateLoader *SessionStateLoader
resolver *Resolver
menuGenerator *MenuGenerator
}
func NewHandlerCreator(
c *types.HelperCommon,
os *oscommands.OSCommand,
git *commands.GitCommand,
sessionStateLoader *SessionStateLoader,
) *HandlerCreator {
resolver := NewResolver(c.Common)
menuGenerator := NewMenuGenerator(c.Common)
return &HandlerCreator{
c: c,
os: os,
git: git,
sessionStateLoader: sessionStateLoader,
resolver: resolver,
menuGenerator: menuGenerator,
}
}
func (self *HandlerCreator) call(customCommand config.CustomCommand) func() error {
return func() error {
sessionState := self.sessionStateLoader.call()
promptResponses := make([]string, len(customCommand.Prompts))
f := func() error { return self.finalHandler(customCommand, sessionState, promptResponses) }
// if we have prompts we'll recursively wrap our confirm handlers with more prompts
// until we reach the actual command
for reverseIdx := range customCommand.Prompts {
// reassigning so that we don't end up with an infinite recursion
g := f
idx := len(customCommand.Prompts) - 1 - reverseIdx
// going backwards so the outermost prompt is the first one
prompt := customCommand.Prompts[idx]
wrappedF := func(response string) error {
promptResponses[idx] = response
return g()
}
resolveTemplate := self.getResolveTemplateFn(promptResponses, sessionState)
resolvedPrompt, err := self.resolver.resolvePrompt(&prompt, resolveTemplate)
if err != nil {
return self.c.Error(err)
}
switch prompt.Type {
case "input":
f = func() error {
return self.inputPrompt(resolvedPrompt, wrappedF)
}
case "menu":
f = func() error {
return self.menuPrompt(resolvedPrompt, wrappedF)
}
case "menuFromCommand":
f = func() error {
return self.menuPromptFromCommand(resolvedPrompt, wrappedF)
}
default:
return self.c.ErrorMsg("custom command prompt must have a type of 'input', 'menu' or 'menuFromCommand'")
}
}
return f()
}
}
func (self *HandlerCreator) inputPrompt(prompt *config.CustomCommandPrompt, wrappedF func(string) error) error {
return self.c.Prompt(types.PromptOpts{
Title: prompt.Title,
InitialContent: prompt.InitialValue,
HandleConfirm: func(str string) error {
return wrappedF(str)
},
})
}
func (self *HandlerCreator) menuPrompt(prompt *config.CustomCommandPrompt, wrappedF func(string) error) error {
menuItems := slices.Map(prompt.Options, func(option config.CustomCommandMenuOption) *types.MenuItem {
return &types.MenuItem{
LabelColumns: []string{option.Name, style.FgYellow.Sprint(option.Description)},
OnPress: func() error {
return wrappedF(option.Value)
},
}
})
return self.c.Menu(types.CreateMenuOptions{Title: prompt.Title, Items: menuItems})
}
func (self *HandlerCreator) menuPromptFromCommand(prompt *config.CustomCommandPrompt, wrappedF func(string) error) error {
// Run and save output
message, err := self.git.Custom.RunWithOutput(prompt.Command)
if err != nil {
return self.c.Error(err)
}
// Need to make a menu out of what the cmd has displayed
candidates, err := self.menuGenerator.call(message, prompt.Filter, prompt.ValueFormat, prompt.LabelFormat)
if err != nil {
return self.c.Error(err)
}
menuItems := slices.Map(candidates, func(candidate *commandMenuEntry) *types.MenuItem {
return &types.MenuItem{
LabelColumns: []string{candidate.label},
OnPress: func() error {
return wrappedF(candidate.value)
},
}
})
return self.c.Menu(types.CreateMenuOptions{Title: prompt.Title, Items: menuItems})
}
type CustomCommandObjects struct {
*SessionState
PromptResponses []string
}
func (self *HandlerCreator) getResolveTemplateFn(promptResponses []string, sessionState *SessionState) func(string) (string, error) {
objects := CustomCommandObjects{
SessionState: sessionState,
PromptResponses: promptResponses,
}
return func(templateStr string) (string, error) { return utils.ResolveTemplate(templateStr, objects) }
}
func (self *HandlerCreator) finalHandler(customCommand config.CustomCommand, sessionState *SessionState, promptResponses []string) error {
resolveTemplate := self.getResolveTemplateFn(promptResponses, sessionState)
cmdStr, err := resolveTemplate(customCommand.Command)
if err != nil {
return self.c.Error(err)
}
cmdObj := self.os.Cmd.NewShell(cmdStr)
if customCommand.Subprocess {
return self.c.RunSubprocessAndRefresh(cmdObj)
}
loadingText := customCommand.LoadingText
if loadingText == "" {
loadingText = self.c.Tr.LcRunningCustomCommandStatus
}
return self.c.WithWaitingStatus(loadingText, func() error {
self.c.LogAction(self.c.Tr.Actions.CustomCommand)
if customCommand.Stream {
cmdObj.StreamOutput()
}
err := cmdObj.Run()
if err != nil {
return self.c.Error(err)
}
return self.c.Refresh(types.RefreshOptions{})
})
}
|
