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restic/cmd/tree_test/main.go
Alexander Neumann 2428843faa Refactor
2014-08-11 22:47:24 +02:00

69 lines
1.2 KiB
Go

package main
import (
"fmt"
"os"
"strings"
"github.com/fd0/khepri"
)
func check(err error) {
if err == nil {
return
}
fmt.Fprintf(os.Stderr, "error: %v\n", err)
os.Exit(1)
}
func save(repo *khepri.Repository, path string) {
tree, err := khepri.NewTreeFromPath(repo, path)
check(err)
id, err := tree.Save(repo)
fmt.Printf("saved tree as %s\n", id)
}
func restore(repo *khepri.Repository, idstr string) {
id, err := khepri.ParseID(idstr)
check(err)
tree, err := khepri.NewTreeFromRepo(repo, id)
check(err)
walk(0, tree)
}
func walk(indent int, tree *khepri.Tree) {
for _, node := range tree.Nodes {
if node.Type == "dir" {
fmt.Printf("%s%s:%s/\n", strings.Repeat(" ", indent), node.Type, node.Name)
walk(indent+1, node.Tree)
} else {
fmt.Printf("%s%s:%s\n", strings.Repeat(" ", indent), node.Type, node.Name)
}
}
}
func main() {
if len(os.Args) != 3 {
fmt.Fprintf(os.Stderr, "usage: %s [save|restore] DIR\n", os.Args[0])
os.Exit(1)
}
command := os.Args[1]
arg := os.Args[2]
repo, err := khepri.NewRepository("khepri-repo")
check(err)
switch command {
case "save":
save(repo, arg)
case "restore":
restore(repo, arg)
}
}