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Add watch-ignore command #41

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Add watch-ignore command #41

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2 changes: 1 addition & 1 deletion common.go
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@ import (
// Binary name used for built package
const binaryName = "watcher"

var watcherFlags = []string{"run", "watch", "watch-vendor"}
var watcherFlags = []string{"run", "watch", "watch-vendor", "watch-ignore"}

// Params is used for keeping go-watcher and application flag parameters
type Params struct {
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13 changes: 13 additions & 0 deletions watch.go
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ type Watcher struct {
rootdir string
watcher *fsnotify.Watcher
watchVendor bool
ignorePaths string
// when a file gets changed a message is sent to the update channel
update chan struct{}
}
Expand All @@ -49,6 +50,7 @@ func MustRegisterWatcher(params *Params) *Watcher {
update: make(chan struct{}),
rootdir: params.Get("watch"),
watchVendor: watchVendor,
ignorePaths: params.Get("watch-ignore"),
}

w.watcher, err = fsnotify.NewWatcher()
Expand Down Expand Up @@ -130,6 +132,9 @@ func (w *Watcher) watchFolders() {
log.Fatalf("Could not get root working directory: %s", err)
}

// Unpack ignores
ignorePaths := strings.Split(w.ignorePaths, ";")

filepath.Walk(wd, func(path string, info os.FileInfo, err error) error {
// skip files
if info == nil {
Expand All @@ -148,6 +153,14 @@ func (w *Watcher) watchFolders() {
}
}

// skip ignored files
relative := strings.TrimPrefix(path, wd)
for _, ignorePath := range ignorePaths {
if strings.TrimPrefix(relative, "/") == ignorePath {
return filepath.SkipDir
}
}

// skip hidden folders
if len(path) > 1 && strings.HasPrefix(filepath.Base(path), ".") {
return filepath.SkipDir
Expand Down