Make Nix builds work

1 files changed, 417 insertions, 0 deletions

diff --git a/vendor/github.com/sirupsen/logrus/logger.go b/vendor/github.com/sirupsen/logrus/logger.go
new file mode 100644
index 0000000..5ff0aef
--- /dev/null
+++ b/vendor/github.com/sirupsen/logrus/logger.go
@@ -0,0 +1,417 @@
+package logrus
+
+import (
+        "context"
+        "io"
+        "os"
+        "sync"
+        "sync/atomic"
+        "time"
+)
+
+// LogFunction For big messages, it can be more efficient to pass a function
+// and only call it if the log level is actually enables rather than
+// generating the log message and then checking if the level is enabled
+type LogFunction func() []interface{}
+
+type Logger struct {
+        // The logs are `io.Copy`'d to this in a mutex. It's common to set this to a
+        // file, or leave it default which is `os.Stderr`. You can also set this to
+        // something more adventurous, such as logging to Kafka.
+        Out io.Writer
+        // Hooks for the logger instance. These allow firing events based on logging
+        // levels and log entries. For example, to send errors to an error tracking
+        // service, log to StatsD or dump the core on fatal errors.
+        Hooks LevelHooks
+        // All log entries pass through the formatter before logged to Out. The
+        // included formatters are `TextFormatter` and `JSONFormatter` for which
+        // TextFormatter is the default. In development (when a TTY is attached) it
+        // logs with colors, but to a file it wouldn't. You can easily implement your
+        // own that implements the `Formatter` interface, see the `README` or included
+        // formatters for examples.
+        Formatter Formatter
+
+        // Flag for whether to log caller info (off by default)
+        ReportCaller bool
+
+        // The logging level the logger should log at. This is typically (and defaults
+        // to) `logrus.Info`, which allows Info(), Warn(), Error() and Fatal() to be
+        // logged.
+        Level Level
+        // Used to sync writing to the log. Locking is enabled by Default
+        mu MutexWrap
+        // Reusable empty entry
+        entryPool sync.Pool
+        // Function to exit the application, defaults to `os.Exit()`
+        ExitFunc exitFunc
+        // The buffer pool used to format the log. If it is nil, the default global
+        // buffer pool will be used.
+        BufferPool BufferPool
+}
+
+type exitFunc func(int)
+
+type MutexWrap struct {
+        lock     sync.Mutex
+        disabled bool
+}
+
+func (mw *MutexWrap) Lock() {
+        if !mw.disabled {
+                mw.lock.Lock()
+        }
+}
+
+func (mw *MutexWrap) Unlock() {
+        if !mw.disabled {
+                mw.lock.Unlock()
+        }
+}
+
+func (mw *MutexWrap) Disable() {
+        mw.disabled = true
+}
+
+// Creates a new logger. Configuration should be set by changing `Formatter`,
+// `Out` and `Hooks` directly on the default logger instance. You can also just
+// instantiate your own:
+//
+//    var log = &logrus.Logger{
+//      Out: os.Stderr,
+//      Formatter: new(logrus.TextFormatter),
+//      Hooks: make(logrus.LevelHooks),
+//      Level: logrus.DebugLevel,
+//    }
+//
+// It's recommended to make this a global instance called `log`.
+func New() *Logger {
+        return &Logger{
+                Out:          os.Stderr,
+                Formatter:    new(TextFormatter),
+                Hooks:        make(LevelHooks),
+                Level:        InfoLevel,
+                ExitFunc:     os.Exit,
+                ReportCaller: false,
+        }
+}
+
+func (logger *Logger) newEntry() *Entry {
+        entry, ok := logger.entryPool.Get().(*Entry)
+        if ok {
+                return entry
+        }
+        return NewEntry(logger)
+}
+
+func (logger *Logger) releaseEntry(entry *Entry) {
+        entry.Data = map[string]interface{}{}
+        logger.entryPool.Put(entry)
+}
+
+// WithField allocates a new entry and adds a field to it.
+// Debug, Print, Info, Warn, Error, Fatal or Panic must be then applied to
+// this new returned entry.
+// If you want multiple fields, use `WithFields`.
+func (logger *Logger) WithField(key string, value interface{}) *Entry {
+        entry := logger.newEntry()
+        defer logger.releaseEntry(entry)
+        return entry.WithField(key, value)
+}
+
+// Adds a struct of fields to the log entry. All it does is call `WithField` for
+// each `Field`.
+func (logger *Logger) WithFields(fields Fields) *Entry {
+        entry := logger.newEntry()
+        defer logger.releaseEntry(entry)
+        return entry.WithFields(fields)
+}
+
+// Add an error as single field to the log entry.  All it does is call
+// `WithError` for the given `error`.
+func (logger *Logger) WithError(err error) *Entry {
+        entry := logger.newEntry()
+        defer logger.releaseEntry(entry)
+        return entry.WithError(err)
+}
+
+// Add a context to the log entry.
+func (logger *Logger) WithContext(ctx context.Context) *Entry {
+        entry := logger.newEntry()
+        defer logger.releaseEntry(entry)
+        return entry.WithContext(ctx)
+}
+
+// Overrides the time of the log entry.
+func (logger *Logger) WithTime(t time.Time) *Entry {
+        entry := logger.newEntry()
+        defer logger.releaseEntry(entry)
+        return entry.WithTime(t)
+}
+
+func (logger *Logger) Logf(level Level, format string, args ...interface{}) {
+        if logger.IsLevelEnabled(level) {
+                entry := logger.newEntry()
+                entry.Logf(level, format, args...)
+                logger.releaseEntry(entry)
+        }
+}
+
+func (logger *Logger) Tracef(format string, args ...interface{}) {
+        logger.Logf(TraceLevel, format, args...)
+}
+
+func (logger *Logger) Debugf(format string, args ...interface{}) {
+        logger.Logf(DebugLevel, format, args...)
+}
+
+func (logger *Logger) Infof(format string, args ...interface{}) {
+        logger.Logf(InfoLevel, format, args...)
+}
+
+func (logger *Logger) Printf(format string, args ...interface{}) {
+        entry := logger.newEntry()
+        entry.Printf(format, args...)
+        logger.releaseEntry(entry)
+}
+
+func (logger *Logger) Warnf(format string, args ...interface{}) {
+        logger.Logf(WarnLevel, format, args...)
+}
+
+func (logger *Logger) Warningf(format string, args ...interface{}) {
+        logger.Warnf(format, args...)
+}
+
+func (logger *Logger) Errorf(format string, args ...interface{}) {
+        logger.Logf(ErrorLevel, format, args...)
+}
+
+func (logger *Logger) Fatalf(format string, args ...interface{}) {
+        logger.Logf(FatalLevel, format, args...)
+        logger.Exit(1)
+}
+
+func (logger *Logger) Panicf(format string, args ...interface{}) {
+        logger.Logf(PanicLevel, format, args...)
+}
+
+// Log will log a message at the level given as parameter.
+// Warning: using Log at Panic or Fatal level will not respectively Panic nor Exit.
+// For this behaviour Logger.Panic or Logger.Fatal should be used instead.
+func (logger *Logger) Log(level Level, args ...interface{}) {
+        if logger.IsLevelEnabled(level) {
+                entry := logger.newEntry()
+                entry.Log(level, args...)
+                logger.releaseEntry(entry)
+        }
+}
+
+func (logger *Logger) LogFn(level Level, fn LogFunction) {
+        if logger.IsLevelEnabled(level) {
+                entry := logger.newEntry()
+                entry.Log(level, fn()...)
+                logger.releaseEntry(entry)
+        }
+}
+
+func (logger *Logger) Trace(args ...interface{}) {
+        logger.Log(TraceLevel, args...)
+}
+
+func (logger *Logger) Debug(args ...interface{}) {
+        logger.Log(DebugLevel, args...)
+}
+
+func (logger *Logger) Info(args ...interface{}) {
+        logger.Log(InfoLevel, args...)
+}
+
+func (logger *Logger) Print(args ...interface{}) {
+        entry := logger.newEntry()
+        entry.Print(args...)
+        logger.releaseEntry(entry)
+}
+
+func (logger *Logger) Warn(args ...interface{}) {
+        logger.Log(WarnLevel, args...)
+}
+
+func (logger *Logger) Warning(args ...interface{}) {
+        logger.Warn(args...)
+}
+
+func (logger *Logger) Error(args ...interface{}) {
+        logger.Log(ErrorLevel, args...)
+}
+
+func (logger *Logger) Fatal(args ...interface{}) {
+        logger.Log(FatalLevel, args...)
+        logger.Exit(1)
+}
+
+func (logger *Logger) Panic(args ...interface{}) {
+        logger.Log(PanicLevel, args...)
+}
+
+func (logger *Logger) TraceFn(fn LogFunction) {
+        logger.LogFn(TraceLevel, fn)
+}
+
+func (logger *Logger) DebugFn(fn LogFunction) {
+        logger.LogFn(DebugLevel, fn)
+}
+
+func (logger *Logger) InfoFn(fn LogFunction) {
+        logger.LogFn(InfoLevel, fn)
+}
+
+func (logger *Logger) PrintFn(fn LogFunction) {
+        entry := logger.newEntry()
+        entry.Print(fn()...)
+        logger.releaseEntry(entry)
+}
+
+func (logger *Logger) WarnFn(fn LogFunction) {
+        logger.LogFn(WarnLevel, fn)
+}
+
+func (logger *Logger) WarningFn(fn LogFunction) {
+        logger.WarnFn(fn)
+}
+
+func (logger *Logger) ErrorFn(fn LogFunction) {
+        logger.LogFn(ErrorLevel, fn)
+}
+
+func (logger *Logger) FatalFn(fn LogFunction) {
+        logger.LogFn(FatalLevel, fn)
+        logger.Exit(1)
+}
+
+func (logger *Logger) PanicFn(fn LogFunction) {
+        logger.LogFn(PanicLevel, fn)
+}
+
+func (logger *Logger) Logln(level Level, args ...interface{}) {
+        if logger.IsLevelEnabled(level) {
+                entry := logger.newEntry()
+                entry.Logln(level, args...)
+                logger.releaseEntry(entry)
+        }
+}
+
+func (logger *Logger) Traceln(args ...interface{}) {
+        logger.Logln(TraceLevel, args...)
+}
+
+func (logger *Logger) Debugln(args ...interface{}) {
+        logger.Logln(DebugLevel, args...)
+}
+
+func (logger *Logger) Infoln(args ...interface{}) {
+        logger.Logln(InfoLevel, args...)
+}
+
+func (logger *Logger) Println(args ...interface{}) {
+        entry := logger.newEntry()
+        entry.Println(args...)
+        logger.releaseEntry(entry)
+}
+
+func (logger *Logger) Warnln(args ...interface{}) {
+        logger.Logln(WarnLevel, args...)
+}
+
+func (logger *Logger) Warningln(args ...interface{}) {
+        logger.Warnln(args...)
+}
+
+func (logger *Logger) Errorln(args ...interface{}) {
+        logger.Logln(ErrorLevel, args...)
+}
+
+func (logger *Logger) Fatalln(args ...interface{}) {
+        logger.Logln(FatalLevel, args...)
+        logger.Exit(1)
+}
+
+func (logger *Logger) Panicln(args ...interface{}) {
+        logger.Logln(PanicLevel, args...)
+}
+
+func (logger *Logger) Exit(code int) {
+        runHandlers()
+        if logger.ExitFunc == nil {
+                logger.ExitFunc = os.Exit
+        }
+        logger.ExitFunc(code)
+}
+
+//When file is opened with appending mode, it's safe to
+//write concurrently to a file (within 4k message on Linux).
+//In these cases user can choose to disable the lock.
+func (logger *Logger) SetNoLock() {
+        logger.mu.Disable()
+}
+
+func (logger *Logger) level() Level {
+        return Level(atomic.LoadUint32((*uint32)(&logger.Level)))
+}
+
+// SetLevel sets the logger level.
+func (logger *Logger) SetLevel(level Level) {
+        atomic.StoreUint32((*uint32)(&logger.Level), uint32(level))
+}
+
+// GetLevel returns the logger level.
+func (logger *Logger) GetLevel() Level {
+        return logger.level()
+}
+
+// AddHook adds a hook to the logger hooks.
+func (logger *Logger) AddHook(hook Hook) {
+        logger.mu.Lock()
+        defer logger.mu.Unlock()
+        logger.Hooks.Add(hook)
+}
+
+// IsLevelEnabled checks if the log level of the logger is greater than the level param
+func (logger *Logger) IsLevelEnabled(level Level) bool {
+        return logger.level() >= level
+}
+
+// SetFormatter sets the logger formatter.
+func (logger *Logger) SetFormatter(formatter Formatter) {
+        logger.mu.Lock()
+        defer logger.mu.Unlock()
+        logger.Formatter = formatter
+}
+
+// SetOutput sets the logger output.
+func (logger *Logger) SetOutput(output io.Writer) {
+        logger.mu.Lock()
+        defer logger.mu.Unlock()
+        logger.Out = output
+}
+
+func (logger *Logger) SetReportCaller(reportCaller bool) {
+        logger.mu.Lock()
+        defer logger.mu.Unlock()
+        logger.ReportCaller = reportCaller
+}
+
+// ReplaceHooks replaces the logger hooks and returns the old ones
+func (logger *Logger) ReplaceHooks(hooks LevelHooks) LevelHooks {
+        logger.mu.Lock()
+        oldHooks := logger.Hooks
+        logger.Hooks = hooks
+        logger.mu.Unlock()
+        return oldHooks
+}
+
+// SetBufferPool sets the logger buffer pool.
+func (logger *Logger) SetBufferPool(pool BufferPool) {
+        logger.mu.Lock()
+        defer logger.mu.Unlock()
+        logger.BufferPool = pool
+}