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@@ -3,10 +3,12 @@ package main
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import (
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"flag"
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"fmt"
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+ "log"
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"os"
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"time"
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"git.lattuga.net/blallo/ruspa/tree"
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+ "golang.org/x/crypto/ssh/terminal"
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)
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type UnitValue struct {
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@@ -42,6 +44,13 @@ func (u *UnitValue) Set(value string) error {
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}
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}
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+func min(a, b int) int {
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+ if a < b {
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+ return a
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+ }
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+ return b
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+}
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+
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func main() {
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var path string
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var depth int
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@@ -74,16 +83,26 @@ func main() {
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root = tree.NewTop(path)
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}
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root.SetUnit(unit.String())
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+ out := log.New(os.Stdout, "", 0)
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+
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go root.Spawn(depth)
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+ _, height, err := terminal.GetSize(int(os.Stdin.Fd()))
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+ if err != nil {
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+ fmt.Fprintln(os.Stderr, "Could not get terminal size")
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+ os.Exit(1)
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+ }
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firstRound := true
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for {
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select {
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case <-time.After(interval):
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if !firstRound {
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- fmt.Printf("\033[%dA", root.Depth()+2)
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+ depth := min(root.Depth()+2, height)
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+ out.Printf("\r\033[%dA", depth)
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+ } else {
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+ out.Print("\r\033[A")
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}
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- fmt.Println(root)
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+ out.Print(root)
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firstRound = false
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if root.Complete() {
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return
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