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package oscommands
import (
"io"
"github.com/sirupsen/logrus"
)
// this struct captures some IO stuff
type guiIO struct {
// this is for logging anything we want. It'll be written to a log file for the sake
// of debugging.
log *logrus.Entry
// this is for us to log the command we're about to run e.g. 'git push'. The GUI
// will write this to a log panel so that the user can see which commands are being
// run.
// The isCommandLineCommand arg is there so that we can style the log differently
// depending on whether we're directly outputting a command we're about to run that
// will be run on the command line, or if we're using something from Go's standard lib.
logCommandFn func(str string, isCommandLineCommand bool)
// this is for us to directly write the output of a command. We will do this for
// certain commands like 'git push'. The GUI will write this to a command output panel.
// We need a new cmd writer per command, hence it being a function.
newCmdWriterFn func() io.Writer
// this allows us to request info from the user like username/password, in the event
// that a command requests it.
// the 'credential' arg is something like 'username' or 'password'
promptForCredentialFn func(credential CredentialType) <-chan string
}
func NewGuiIO(
log *logrus.Entry,
logCommandFn func(string, bool),
newCmdWriterFn func() io.Writer,
promptForCredentialFn func(CredentialType) <-chan string,
) *guiIO {
return &guiIO{
log: log,
logCommandFn: logCommandFn,
newCmdWriterFn: newCmdWriterFn,
promptForCredentialFn: promptForCredentialFn,
}
}
// we use this function when we want to access the functionality of our OS struct but we
// don't have anywhere to log things, or request input from the user.
func NewNullGuiIO(log *logrus.Entry) *guiIO {
return &guiIO{
log: log,
logCommandFn: func(string, bool) {},
newCmdWriterFn: func() io.Writer { return io.Discard },
promptForCredentialFn: failPromptFn,
}
}
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