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/
main.go
104 lines (94 loc) · 2.01 KB
/
main.go
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package hush // import "github.com/mndrix/hush"
import (
"fmt"
"os"
)
// Main implements the main() function of the hush command line tool.
func Main() {
if len(os.Args) < 2 {
usage()
return
}
// handle init command before loading tree
switch os.Args[1] {
case "help":
CmdHelp(os.Stdout)
return
case "init":
err := CmdInit(os.Stderr, os.Stdin)
if err != nil {
die("%s", err.Error())
}
return
}
// load tree for all other commands
tree, err := LoadTree()
if os.IsNotExist(err) {
filename, _ := HushPath()
fmt.Fprintf(os.Stderr, "hush file does not exist: %s\n", filename)
fmt.Fprintf(os.Stderr, "Maybe you need to run 'hush init'?\n")
os.Exit(1)
}
if err == nil {
err = setPassphrase(tree)
}
if err != nil {
die("%s", err.Error())
}
// dispatch to command
switch os.Args[1] {
case "export": // hush export
err = CmdExport(os.Stdout, tree)
case "import":
var warnings []string
warnings, err = CmdImport(os.Stdin, tree)
for _, warning := range warnings {
warn(warning)
}
case "ls":
if len(os.Args) < 3 {
tree.Print(os.Stdout)
return
}
err = CmdLs(os.Stdout, tree, os.Args[2])
case "rm":
paths := make([]Path, len(os.Args)-2)
for i := 2; i < len(os.Args); i++ {
paths[i-2] = NewPath(os.Args[i])
}
err = CmdRm(tree, paths)
case "set":
if len(os.Args) < 4 {
die("Usage: hush set path value")
}
p := NewPath(os.Args[2])
var v *Value
v, err = CaptureValue(os.Args[3])
if err != nil {
die("%s", err.Error())
}
err = CmdSet(os.Stdout, tree, p, v)
default:
usage()
}
if err != nil {
die("error: %s", err.Error())
}
}
func usage() {
die("Usage: hush [command [arguments]]")
}
func setPassphrase(t *Tree) error {
password, err := AskPassword(os.Stderr, "Password")
if err != nil {
return err
}
return t.SetPassphrase(password)
}
func die(format string, args ...interface{}) {
fmt.Fprintf(os.Stderr, format+"\n", args...)
os.Exit(1)
}
func warn(format string, args ...interface{}) {
fmt.Fprintf(os.Stderr, format+"\n", args...)
}