clipman/main.go
2019-08-01 17:58:03 +01:00

64 lines
1.7 KiB
Go

package main
import (
"encoding/json"
"io/ioutil"
"log"
"os"
"path"
"gopkg.in/alecthomas/kingpin.v2"
)
var (
app = kingpin.New("clipman", "A clipboard manager for Wayland")
asDemon = app.Flag("demon", "Run as a demon to record clipboard events").Short('d').Default("false").Bool()
asSelector = app.Flag("select", "Select an item from clipboard history").Short('s').Default("false").Bool()
noPersist = app.Flag("no-persist", "Don't persist a copy buffer after a program exits").Short('P').Default("false").Bool()
max = app.Flag("max-items", "items to store in history (with -d) or display before scrolling (with -s)").Default("15").Int()
tool = app.Flag("selector", "Which selector to use: dmenu/rofi").Default("dmenu").String()
)
func main() {
app.HelpFlag.Short('h')
kingpin.MustParse(app.Parse(os.Args[1:]))
modeCount := 0
if *asDemon {
modeCount++
}
if *asSelector {
modeCount++
}
if modeCount != 1 {
log.Print("Missing or incompatible options. You must provide exactly one of these:")
log.Print(" -d, --demon")
log.Print(" -s, --select")
log.Fatal("See -h/--help for info")
}
h, err := os.UserHomeDir()
if err != nil {
log.Fatal(err)
}
histfile := path.Join(h, ".local/share/clipman.json")
var history []string
b, err := ioutil.ReadFile(histfile)
if err == nil {
if err := json.Unmarshal(b, &history); err != nil {
log.Fatalf("Failure unmarshaling history (main.38): %s", err)
}
}
if *asDemon {
persist := !*noPersist
listen(history, histfile, persist, *max)
} else if *asSelector {
if len(history) == 0 {
log.Fatal("No history available")
}
if err := selector(history, *max, *tool); err != nil {
log.Fatal(err)
}
}
}