73 lines
2 KiB
Go
73 lines
2 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"strings"
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"gopkg.in/alecthomas/kingpin.v2"
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)
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var (
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app = kingpin.New("clipman", "A clipboard manager for Wayland")
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asDemon = app.Flag("demon", "Run as a demon to record clipboard events").Short('d').Default("false").Bool()
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asSelector = app.Flag("select", "Select an item from clipboard history").Short('s').Default("false").Bool()
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noPersist = app.Flag("no-persist", "Don't persist a copy buffer after a program exits").Short('P').Default("false").Bool()
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max = app.Flag("max-items", "history size (with -d) or scrollview length (with -s)").Default("15").Int()
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tool = app.Flag("selector", "Which selector to use: dmenu/rofi").Default("dmenu").String()
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histpath = app.Flag("histpath", "Directory where to save history").Default("~/.local/share/clipman.json").String()
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)
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func main() {
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app.HelpFlag.Short('h')
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kingpin.MustParse(app.Parse(os.Args[1:]))
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modeCount := 0
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if *asDemon {
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modeCount++
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}
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if *asSelector {
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modeCount++
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}
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if modeCount != 1 {
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fmt.Println("Missing or incompatible options. You must provide exactly one of these:")
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fmt.Println(" -d, --demon")
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fmt.Println(" -s, --select")
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fmt.Println("See -h/--help for info")
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os.Exit(1)
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}
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// set histfile
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histfile := *histpath
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if strings.HasPrefix(histfile, "~") {
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home, err := os.UserHomeDir()
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if err != nil {
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log.Fatal(err)
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}
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histfile = strings.Replace(histfile, "~", home, 1)
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}
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// read existing history
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var history []string
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b, err := ioutil.ReadFile(histfile)
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if err != nil {
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log.Fatalf("Failure reading history file: %s", err)
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}
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if err := json.Unmarshal(b, &history); err != nil {
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log.Fatalf("Failure parsing history: %s", err)
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}
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if *asDemon {
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persist := !*noPersist
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listen(history, histfile, persist, *max)
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} else if *asSelector {
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if len(history) == 0 {
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log.Fatal("No history available")
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}
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if err := selector(history, *max, *tool); err != nil {
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log.Fatal(err)
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}
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}
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}
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