Files
kandev/apps/backend/internal/agentctl/server/process/shell_unix.go
T
2026-08-02 11:18:32 +01:00

53 lines
1.5 KiB
Go

//go:build !windows
package process
import (
"os"
"os/exec"
"strings"
)
// defaultShellCommand returns the command and args for starting an interactive shell.
// On Unix, uses $SHELL (or /bin/sh) with no extra flags — the shell is interactive
// via the attached PTY. We deliberately do NOT pass -l: Debian's /etc/profile
// (and /etc/profile.d/*) can overwrite PATH, dropping container-set entries like
// /data/.npm-global/bin where agent CLIs (claude, codex, ...) are installed.
func defaultShellCommand(preferredShell string) []string {
shell := resolveShellPath(preferredShell)
if shell == "" {
shell = resolveShellPath(os.Getenv("SHELL"))
}
if shell == "" {
shell = "/bin/sh"
}
return []string{shell}
}
func resolveShellPath(value string) string {
value = strings.TrimSpace(value)
if value == "" {
return ""
}
path, err := exec.LookPath(value)
if err != nil {
return ""
}
return path
}
// shellExecArgs returns the program and arguments needed to execute a command
// string through the system shell.
// On Unix: sh -lc "command"
func shellExecArgs(command string) (prog string, args []string) {
return "sh", []string{"-lc", managedGitHubPathRestore + command}
}
const managedGitHubPathRestore = `if [ -n "${KANDEV_GITHUB_CREDENTIAL_BROKER_URL:-}" ] && [ -n "${KANDEV_GITHUB_CLI_SHIM_DIR:-}" ]; then
case ":${PATH:-}:" in
*:"${KANDEV_GITHUB_CLI_SHIM_DIR}":*) ;;
*) PATH="${KANDEV_GITHUB_CLI_SHIM_DIR}:${PATH:-}"; export PATH ;;
esac
fi
`