51 lines
941 B
Shell
51 lines
941 B
Shell
#!/bin/sh
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# Show system info each time a shell is started ...
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# ... except:
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[ -t 1 ] || return # If stdout is not a terminal
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[ "${TERM:-}" = "dumb" ] && return # For tools opening shells (e.g., `emacs`)
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_hostname=$(uname -n)
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_os="$(uname -s) $(uname -r)"
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_user=$(whoami)
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_work_dir=$(echo "$PWD" | sed "s|^$HOME|~|")
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if [ "$(id -u)" -eq 0 ]; then
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_prompt="#"
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else
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_prompt="$"
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fi
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if [ -n "${SSH_CLIENT:-}" ] || [ -n "${SSH_TTY:-}" ]; then
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_remote=" ssh"
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else
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_remote=" local"
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fi
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if _in_bash; then
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_shell_type="bash"
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elif _in_zsh; then
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_shell_type="zsh"
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else
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_shell_type="non-bash/zsh shell"
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fi
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_info_line="$_user@$_hostname:$_work_dir$_prompt$_remote $_os $_shell_type"
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_sep_line=$(echo "$_info_line" | sed 's/./─/g')
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echo ""
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echo "$_sep_line"
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echo "$_info_line"
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echo "$_sep_line"
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echo ""
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unset _hostname _os _user _work_dir _prompt _remote _shell_type _info_line _sep_line
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