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111 lines
2.9 KiB
Bash
111 lines
2.9 KiB
Bash
# Make Bash more like Zsh
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# Hooks
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# derived from http://glyf.livejournal.com/63106.html
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# TODO: support precmd_functions and chpwd_functions arrays
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# default: NOOPs
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function preexec { :; }
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function precmd { :; }
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function chpwd { :; }
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__cd_invoke_chpwd() {
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builtin cd "$@"
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chpwd
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}
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__preexec_invoke_exec () {
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local this_command;
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[ -n "$COMP_LINE" ] && return # completion
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[ "$BASH_COMMAND" = "$PROMPT_COMMAND" ] && return # precmd
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this_command=`history 1 | sed -e "s/^[ ]*[0-9]*[ ]*//g"`;
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preexec "$this_command"
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}
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# set up the hooks
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PROMPT_COMMAND="precmd"
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trap '__preexec_invoke_exec' DEBUG
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cd() { __cd_invoke_chpwd "$@"; }
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# clears a line that was not terminated by a LF fixing the dangling prompt
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# issue by marking it with a reversed %, like zsh
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clear_incomplete_line() {
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local row
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local col
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# ask for cursor position then read answer
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# TODO: fix read: mashing keyboard makes syntax errors
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stty -echo
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echo -en "\033[6n"
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IFS=';' read -r -d R -a pos
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stty echo
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# extract tput-compatible answer
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row=$(( ${pos[0]:2} - 1 ))
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col=$(( ${pos[1]} - 1 ))
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# not on first column? do clean up: fill with spaces and rag left
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if [[ $col != 0 ]]; then
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printf "\e[7m%%\e[m"
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printf "%*s\r" $(( COLUMNS - $col ))
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fi
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}
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function sub_prompt_colors_unsized() {
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sed \
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-e 's#%F{black}#\\033[30m#g' \
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-e 's#%F{red}#\\033[31m#g' \
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-e 's#%F{green}#\\033[32m#g' \
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-e 's#%F{yellow}#\\033[33m#g' \
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-e 's#%F{blue}#\\033[34m#g' \
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-e 's#%F{magenta}#\\033[35m#g' \
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-e 's#%F{cyan}#\\033[36m#g' \
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-e 's#%F{white}#\\033[37m#g' \
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-e 's#%f#\\033[00m#g'
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}
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function sub_prompt_colors_sized() {
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sed \
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-e 's#%F{black}#\\[\\033[30m\\]#g' \
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-e 's#%F{red}#\\[\\033[31m\\]#g' \
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-e 's#%F{green}#\\[\\033[32m\\]#g' \
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-e 's#%F{yellow}#\\[\\033[33m\\]#g' \
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-e 's#%F{blue}#\\[\\033[34m\\]#g' \
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-e 's#%F{magenta}#\\[\\033[35m\\]#g' \
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-e 's#%F{cyan}#\\[\\033[36m\\]#g' \
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-e 's#%F{white}#\\[\\033[37m\\]#g' \
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-e 's#%f#\\[\\033[00m\\]#g'
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}
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function strip_prompt_colors() {
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sed \
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-e 's#%F{black}##g' \
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-e 's#%F{red}##g' \
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-e 's#%F{green}##g' \
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-e 's#%F{yellow}##g' \
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-e 's#%F{blue}##g' \
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-e 's#%F{magenta}##g' \
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-e 's#%F{cyan}##g' \
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-e 's#%F{white}##g' \
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-e 's#%f##g'
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}
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# right prompt support and PROMPT/RPROMPT vars
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function apply_prompt_rprompt() {
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local rprompt=$(echo "${RPROMPT}" | sub_prompt_colors_unsized)
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local prompt=$(echo "${PROMPT}" | sub_prompt_colors_sized)
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#local rprompt=$(echo "${RPROMPT}" | strip_prompt_colors)
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#local prompt=$(echo "${PROMPT}" | strip_prompt_colors)
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if [[ -n "${RPROMPT}" ]]; then
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PS1="$(printf "\[%*s\r\]%s" "${COLUMNS}" "${rprompt:-}" "${prompt:-}")"
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else
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PS1="${prompt:-}"
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fi
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}
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# vim: ft=bash
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