Carlos Florêncio
53 lines
1.5 KiB
Go
53 lines
1.5 KiB
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 shell.
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// On Unix, uses $SHELL (or /bin/sh) with no extra flags — the shell is interactive
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// via the attached PTY. We deliberately do NOT pass -l: Debian's /etc/profile
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// (and /etc/profile.d/*) can overwrite PATH, dropping container-set entries like
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// /data/.npm-global/bin where agent CLIs (claude, codex, ...) are installed.
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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}
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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", managedGitHubPathRestore + command}
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}
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const managedGitHubPathRestore = `if [ -n "${KANDEV_GITHUB_CREDENTIAL_BROKER_URL:-}" ] && [ -n "${KANDEV_GITHUB_CLI_SHIM_DIR:-}" ]; then
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case ":${PATH:-}:" in
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*:"${KANDEV_GITHUB_CLI_SHIM_DIR}":*) ;;
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*) PATH="${KANDEV_GITHUB_CLI_SHIM_DIR}:${PATH:-}"; export PATH ;;
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esac
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fi
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`
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