Carlos Florêncio
42 lines
924 B
Go
42 lines
924 B
Go
//go:build !windows
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package process
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import (
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"os"
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"os/exec"
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"strings"
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)
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// defaultShellCommand returns the command and args for starting an interactive login shell.
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// On Unix, uses $SHELL (or /bin/sh) with the -l (login) flag.
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func defaultShellCommand(preferredShell string) []string {
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shell := resolveShellPath(preferredShell)
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if shell == "" {
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shell = resolveShellPath(os.Getenv("SHELL"))
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}
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if shell == "" {
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shell = "/bin/sh"
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}
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return []string{shell, "-l"}
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}
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func resolveShellPath(value string) string {
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value = strings.TrimSpace(value)
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if value == "" {
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return ""
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}
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path, err := exec.LookPath(value)
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if err != nil {
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return ""
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}
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return path
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}
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// shellExecArgs returns the program and arguments needed to execute a command
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// string through the system shell.
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// On Unix: sh -lc "command"
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func shellExecArgs(command string) (prog string, args []string) {
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return "sh", []string{"-lc", command}
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}
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