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45a0acb222
- Standardize capability usage with the terminfo database for portability. POSIX tput does declare only the basic options such as 'init', 'reset' and 'clear', leaving the rest unspecified, that is not ideal but hard coding escape sequences is way worse. - Set colorization options based on number of colors the terminal supports and not the TERM variable when possible. This is incomplete, terminal emulators may support or adapt more than it is advertised, but involves using DECRQSS queries and delays, as an example, 'resize' utility from XTerm uses 3 seconds as delay, this is worrisome. - Term with only '-direct' variants without ending with 256 means it only supports direct-color indexing, therefore 'tmux-direct' cannot be used, but the non-multiplexer terminal 'xterm-direct256' can.
152 lines
3.9 KiB
Bash
152 lines
3.9 KiB
Bash
#!/usr/bin/env bash
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## SPDX-FileCopyrightText: 2023 - 2025 Benjamin Grande M. S. <ben.grande.b@gmail.com>
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##
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## SPDX-License-Identifier: AGPL-3.0-or-later
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## {{{ Requirements
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## If not running interactively, return.
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case $- in
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*i*) ;;
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*) return;;
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esac
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## Source default files.
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# shellcheck disable=SC1090,SC1091
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source "${HOME}/.profile"
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# shellcheck disable=SC1090
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source "${ENV}"
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## }}}
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## {{{ Options
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HISTCONTROL=ignoredups
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shopt -s autocd
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shopt -s direxpand
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shopt -s cdspell
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shopt -s dirspell
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shopt -s histappend
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shopt -s checkwinsize
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shopt -s extglob
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shopt -s globstar
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## }}}
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## {{{ Alias
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alias reload="exec bash"
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## }}}
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## {{{ Prompt
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if test -z "${debian_chroot:-}" && test -r /etc/debian_chroot; then
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debian_chroot="$(cat -- /etc/debian_chroot)"
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fi
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_reset_line() {
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case "${TERM-}" in
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""|dumb|linux*|vt100*|vt220*) return;;
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*) ;;
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esac
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## Credit: Can't find the source, posted on StackExchange or alike.
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## Does not work well on Bash 5.0 and older.
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bash_version_clean="${BASH_VERSION%.*}"
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bash_version_clean="${bash_version_clean//\./}"
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if [[ ! ${bash_version_clean} =~ ^[0-9]+$ ]]; then
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return
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fi
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if test "${bash_version_clean}" -lt 51; then
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unset bash_version_clean
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return
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fi
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unset bash_version_clean
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## Ask the terminal for any pending (line buffered) input.
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termios="$(stty -g)" && stty -icanon && stty "${termios}"
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unset termios
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## On pending input, assume it's been echoed and we're not in first column.
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## Otherwise ask the terminal for current column and read it from input.
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if read -t 0 || {
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# shellcheck disable=SC2154
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IFS='[;' read -s -r -d'R' -p "${_t_u7}" _ _ cur_y && [[ ${cur_y} != 1 ]]
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}
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then
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unset cur_y
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## Print line ending char with reversed video and end with newline.
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if test "${color_prompt-}" = "yes"; then
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# shellcheck disable=SC2154
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printf '%s\n\r' "${_t_sgr0}${_t_rev}%${_t_sgr0}"
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else
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printf '%s\n\r' "%"
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fi
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fi
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}
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_print_ec(){
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test "${_ec_ps1}" = "0" && return
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if test "${color_prompt:-}" = "yes"; then
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# shellcheck disable=SC2154
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printf '(\001%s\002%s\001%s\002)' "${_t_setaf_1}" "${_ec_ps1}" \
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"${_t_sgr0}"
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else
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printf '(%s)' "${_ec_ps1}"
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fi
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unset _ec_ps1
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}
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_save_ec() { _ec_ps1=$?; }
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PROMPT_COMMAND=(_save_ec)
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newline=$'\n'
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# shellcheck disable=SC2154
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if test "${color_prompt:-}" = "yes"; then
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# shellcheck disable=SC2154
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PS1="\$(_reset_line)\$(resize-terminal)\[${_t_setaf_5}\][\[${_t_sgr0}\]"
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PS1="${PS1}${debian_chroot:+(${debian_chroot})}\[${usercolor}\]\u@\h "
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PS1="${PS1}\[${dircolor}\]\w\[${_t_sgr0}\]\$(_git_prompt_info)"
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PS1="${PS1}\[${_t_setaf_5}\]]\[${_t_sgr0}\]${newline-}\$(_print_ec)"
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PS1="${PS1}${ps1_symbol} "
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else
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PS1="\$(_reset_line)\$(resize-terminal)"
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PS1="${PS1}[${debian_chroot:+(${debian_chroot})}"
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PS1="${PS1}\u@\h:\w\$(_git_prompt_info)]${newline-}\$(_print_ec)"
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PS1="${PS1}${ps1_symbol} "
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fi
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case "${TERM-}" in
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screen*|xterm*|rxvt*)
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## Set window title
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PS1="\[\033]0;${debian_chroot:+(${debian_chroot})}\u@\h: \w\a\]${PS1}"
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;;
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*) ;;
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esac
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case "${TERM-}" in
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""|dumb|linux*|vt100*|vt220*)
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PS0=""
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;;
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*)
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## Reset cursor to steady block after command input and before execution.
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# shellcheck disable=SC2034
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PS0="\033[2 q\2"
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;;
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esac
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if ! shopt -oq posix; then
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source_readable /usr/share/bash-completion/bash_completion
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fi
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unset newline ps1_symbol dircolor usercolor
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## }}}
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## {{{ Plugins
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if has zoxide; then
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zoxide_bash_completion="$(zoxide init bash)"
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eval "${zoxide_bash_completion}"
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unset zoxide_bash_completion
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fi
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if has gitlint; then
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gitlint_bash_completion="$(_GITLINT_COMPLETE=bash_source gitlint)"
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eval "${gitlint_bash_completion}"
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unset gitlint_bash_completion
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fi
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source_readable /usr/share/doc/fzf/examples/key-bindings.bash
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source_readable /usr/share/doc/fzf/examples/completion.bash
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## }}}
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## {{{ End
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## Source local bash configuration.
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source_readable "${HOME}/.bashrc.local"
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## }}}
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