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restic: move Printer interface from internal/ui/progress

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Move Printer and NewNoopPrinter to internal/restic so repository does
not have to import the ui packages.
This commit is contained in:
Michael Eischer
2026-06-14 10:50:42 +02:00
parent 0f4236cb39
commit d9d54a505e
44 changed files with 165 additions and 173 deletions
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internal/ui/progress/printer.go
-67
View File
@@ -1,67 +0,0 @@
package progress
import (
"github.com/restic/restic/internal/restic"
)
// A Printer can can return a new counter or print messages
// at different log levels.
// It must be safe to call its methods from concurrent goroutines.
type Printer interface {
// NewCounter returns a new progress counter. It is not shown if --quiet or --json is specified.
NewCounter(description string) restic.Counter
// NewCounterTerminalOnly returns a new progress counter that is only shown if stdout points to a
// terminal. It is not shown if --quiet or --json is specified.
NewCounterTerminalOnly(description string) restic.Counter
// E reports an error. This message is always printed to stderr.
// Appends a newline if not present.
E(msg string, args ...interface{})
// S prints a message, this is should only be used for very important messages
// that are not errors. The message is even printed if --quiet is specified.
// Appends a newline if not present.
S(msg string, args ...interface{})
// PT prints a message if verbosity >= 1 (neither --quiet nor --verbose is specified)
// and stdout points to a terminal.
// This is used for informational messages.
PT(msg string, args ...interface{})
// P prints a message if verbosity >= 1 (neither --quiet nor --verbose is specified),
// this is used for normal messages which are not errors. Appends a newline if not present.
P(msg string, args ...interface{})
// V prints a message if verbosity >= 2 (equivalent to --verbose), this is used for
// verbose messages. Appends a newline if not present.
V(msg string, args ...interface{})
// VV prints a message if verbosity >= 3 (equivalent to --verbose=2), this is used for
// debug messages. Appends a newline if not present.
VV(msg string, args ...interface{})
}
// noopPrinter discards all messages.
type noopPrinter struct{}
var _ Printer = (*noopPrinter)(nil)
// NewNoopPrinter returns a Printer that discards all messages.
func NewNoopPrinter() Printer {
return &noopPrinter{}
}
func (*noopPrinter) NewCounter(_ string) restic.Counter {
return restic.NoopCounter
}
func (*noopPrinter) NewCounterTerminalOnly(_ string) restic.Counter {
return restic.NoopCounter
}
func (*noopPrinter) E(_ string, _ ...interface{}) {}
func (*noopPrinter) S(_ string, _ ...interface{}) {}
func (*noopPrinter) PT(_ string, _ ...interface{}) {}
func (*noopPrinter) P(_ string, _ ...interface{}) {}
func (*noopPrinter) V(_ string, _ ...interface{}) {}
func (*noopPrinter) VV(_ string, _ ...interface{}) {}
internal/ui/progress/terminal.go
+1 -1
View File
@@ -98,7 +98,7 @@ func (t *terminalPrinter) VV(msg string, args ...interface{}) {
}
}
func NewTerminalPrinter(json bool, verbosity uint, term ui.Terminal) Printer {
func NewTerminalPrinter(json bool, verbosity uint, term ui.Terminal) restic.Printer {
if json {
verbosity = 0
}