124 lines
2.5 KiB
Go
124 lines
2.5 KiB
Go
// +build !windows
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package main
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import (
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"fmt"
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"log"
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"os"
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"os/exec"
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"os/user"
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"path/filepath"
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"runtime"
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)
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var (
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envEditor = os.Getenv("EDITOR")
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envPager = os.Getenv("PAGER")
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envShell = os.Getenv("SHELL")
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)
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var (
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gDefaultShell = "sh"
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gDefaultSocketProt = "unix"
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gDefaultSocketPath string
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)
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var (
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gUser *user.User
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gConfigPath string
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)
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func init() {
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u, err := user.Current()
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if err != nil {
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log.Printf("user: %s", err)
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}
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gUser = u
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config := os.Getenv("XDG_CONFIG_HOME")
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if config == "" {
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config = filepath.Join(gUser.HomeDir, ".config")
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}
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gConfigPath = filepath.Join(config, "lf", "lfrc")
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gDefaultSocketPath = filepath.Join(os.TempDir(), fmt.Sprintf("lf.%s.sock", gUser.Username))
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}
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func pauseCommand() *exec.Cmd {
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c := `echo
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echo -n 'Press any key to continue'
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old=$(stty -g)
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stty raw -echo
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eval "ignore=\$(dd bs=1 count=1 2> /dev/null)"
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stty $old
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echo`
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return exec.Command(gOpts.shell, "-c", c)
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}
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func shellCommand(s string, args []string) *exec.Cmd {
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if len(gOpts.ifs) != 0 {
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s = fmt.Sprintf("IFS='%s'; %s", gOpts.ifs, s)
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}
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args = append([]string{"-c", s, "--"}, args...)
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return exec.Command(gOpts.shell, args...)
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}
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func putCommand(list []string, dir *dir, copy bool) *exec.Cmd {
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var sh string
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var args []string
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if copy {
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sh = "cp"
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args = append(args, "-R")
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} else {
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sh = "mv"
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}
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// XXX: POSIX standard states that -i flag shall do nothing when the
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// response is not affirmative. Since this command is run with a nil stdin,
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// it should not give an affirmative answer and in return this command
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// should not overwrite existing files. Our intention here is to use the
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// standard -i flag in place of non-standard -n flag to avoid overwrites.
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args = append(args, "-i")
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args = append(args, list...)
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args = append(args, dir.path)
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return exec.Command(sh, args...)
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}
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func setDefaults() {
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if envEditor == "" {
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gOpts.keys["e"] = &execExpr{"$", `vi "$f"`}
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} else {
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gOpts.keys["e"] = &execExpr{"$", envEditor + ` "$f"`}
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}
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if envPager == "" {
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gOpts.keys["i"] = &execExpr{"$", `less "$f"`}
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} else {
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gOpts.keys["i"] = &execExpr{"$", envPager + ` "$f"`}
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}
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if envShell == "" {
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gOpts.keys["w"] = &execExpr{"$", "sh"}
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} else {
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gOpts.keys["w"] = &execExpr{"$", envShell}
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}
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if runtime.GOOS == "darwin" {
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gOpts.cmds["open-file"] = &execExpr{"&", `open "$f"`}
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} else {
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gOpts.cmds["open-file"] = &execExpr{"&", `xdg-open "$f"`}
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}
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}
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func moveCursor(y, x int) {
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fmt.Printf("\033[%d;%dH", y, x)
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}
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