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feat: pactus gui lock support #947

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merged 1 commit into from
Jan 19, 2024
Merged

feat: pactus gui lock support #947

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18 changes: 18 additions & 0 deletions cmd/gtk/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@ import (
"os"
"path/filepath"

flock "github.com/gofrs/flock"
"github.com/gotk3/gotk3/gdk"
"github.com/gotk3/gotk3/glib"
"github.com/gotk3/gotk3/gtk"
Expand Down Expand Up @@ -56,6 +57,22 @@ func main() {
}
}

// Define the lock file path
lockFilePath := filepath.Join(workingDir, ".pactus.lock")
fileLock := flock.New(lockFilePath)

locked, err := fileLock.TryLock()
if err != nil {
// handle unable to attempt to acquire lock
fatalErrorCheck(err)
}

if !locked {
fmt.Printf("Could not lock '%s', another instance is running?", lockFilePath)

return
}

// Create a new app.
// When using GtkApplication, it is not necessary to call gtk_init() manually.
app, err := gtk.ApplicationNew(appID, glib.APPLICATION_NON_UNIQUE)
Expand Down Expand Up @@ -100,6 +117,7 @@ func main() {

// Connect function to application shutdown event, this is not required.
app.Connect("shutdown", func() {
_ = fileLock.Unlock()
log.Println("application shutdown")
})

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