163 lines
4.1 KiB
Bash
163 lines
4.1 KiB
Bash
#!/usr/bin/env bash
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# PS1 module with Nerd Font fallback + disable switch
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# Designed for bash 3.2+ (macOS) and bash 4/5 (Linux)
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# Load this in interactive shells.
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case "$-" in
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*i*) ;;
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*) return 0 ;;
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esac
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# Disable switch (per-user/per-shell)
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# 1) env: DISABLE_GLOBAL_PS1=1
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# 2) file: ~/.config/ps1/disable
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if [[ "${DISABLE_GLOBAL_PS1:-0}" == "1" ]]; then
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return 0
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fi
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if [[ -f "$HOME/.config/ps1/disable" ]]; then
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return 0
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fi
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# Force NF separators globally (rounded caps) unless ASCII is forced.
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export PS1_FORCE_NF=1
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# Nerd Font detection (best-effort) + overrides
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# PS1_FORCE_ASCII=1 -> always fallback separators
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# PS1_FORCE_NF=1 -> always Nerd Font separators
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_ps1_has_nf() {
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if [[ "${PS1_FORCE_ASCII:-0}" == "1" ]]; then return 1; fi
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if [[ "${PS1_FORCE_NF:-0}" == "1" ]]; then return 0; fi
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# Linux/WSL: fontconfig often available
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if command -v fc-list >/dev/null 2>&1; then
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fc-list 2>/dev/null | grep -qi "Nerd Font" && return 0
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fi
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# macOS: fontconfig often not present; default to fallback unless forced
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return 1
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}
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# Time-based emoji with seasonal accents (Europe/Oslo)
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_ps1_symbol() {
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local hh mm h m
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hh=$(TZ=Europe/Oslo date +%H); mm=$(TZ=Europe/Oslo date +%M)
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h=$((10#$hh)); m=$((10#$mm))
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local season="${__PS1_SEASON:-winter}"
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local sunrise coffee work evening night
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case "$season" in
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spring)
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sunrise="🌷"; coffee="☕"; work="🌿"; evening="🌤"; night="🌙"
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;;
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summer)
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sunrise="🌞"; coffee="🧃"; work="🪴"; evening="🌇"; night="🌙"
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;;
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autumn)
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sunrise="🍁"; coffee="☕"; work="🍂"; evening="🌆"; night="🌙"
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;;
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*)
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sunrise="🌅"; coffee="☕"; work="❄️"; evening="🌆"; night="🌙"
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;;
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esac
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if (( h >= 5 && h <= 8 )); then echo "$sunrise"
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elif (( h >= 9 && h <= 10 )); then echo "$coffee"
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elif (( h == 11 && m < 30 )); then echo "🥪"
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elif (( (h == 11 && m >= 30) || (h >= 12 && h <= 15) )); then echo "$work"
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elif (( h == 16 )); then echo "🍲"
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elif (( h >= 17 && h <= 22 )); then echo "$evening"
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else echo "$night"
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fi
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}
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# Path shortening (keeps /home/user or /Users/user visible)
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# bash 3.2 safe
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_ps1_path() {
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local p="$PWD"
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local parts=()
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IFS='/' read -ra parts <<< "$p"
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if ((${#parts[@]} < 6)); then
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echo "$p"; return
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fi
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local n=${#parts[@]}
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echo "/${parts[1]}/${parts[2]}/…/${parts[$((n-2))]}/${parts[$((n-1))]}"
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}
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# Dynamic vars updated before each prompt
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__PS1_SYM=""
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__PS1_PATH=""
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__PS1_STATUS=0
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__PS1_USE_NF=0
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_ps1_set_prompt() {
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local RST="\[\e[0m\]"
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# Two-zone palette
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# Zone 1: gray-blue pastel (date/time/user)
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local Z1_BG="\[\e[48;5;61m\]"
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local Z1_FG="\[\e[38;5;255m\]"
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# Zone 2: turquoise / cool green (host/path)
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local Z2_BG="\[\e[48;5;37m\]"
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local Z2_FG="\[\e[38;5;255m\]"
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local PATH_FG="\[\e[38;5;194m\]"
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# Frame
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local FRAME="\[\e[38;5;60m\]"
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# Status colors
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local OK="\[\e[38;5;76m\]"
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local BAD="\[\e[38;5;203m\]"
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local BOLD="\[\e[1m\]"
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local NOBOLD="\[\e[22m\]"
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local left right sep
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if [[ "$__PS1_USE_NF" -eq 1 ]]; then
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left=""; right=""; sep=""
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else
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left="["; right="]"; sep="▶"
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fi
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local prompt_sym
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if [[ "$__PS1_STATUS" -eq 0 ]]; then
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prompt_sym="${OK}${BOLD}➜${NOBOLD}${RST}"
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else
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prompt_sym="${BAD}${BOLD}➜${NOBOLD}${RST}"
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fi
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# Keep order: date time user | host path, newline, then prompt
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PS1="\
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${FRAME}╭─${RST}\
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${Z1_BG}${Z1_FG}${left} \\d \\A \\u ${RST}${Z1_BG}${Z2_BG}${Z2_FG}${sep}${RST}\
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${Z2_BG}${Z2_FG} @\\h ${PATH_FG}${__PS1_PATH}${RST}${Z2_BG}${Z2_FG}${right}${RST}\
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\n${FRAME}╰── ${RST}${prompt_sym} ${__PS1_SYM} "
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}
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_ps1_update() {
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__PS1_STATUS=$?
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__PS1_SYM="$(_ps1_symbol)"
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__PS1_PATH="$(_ps1_path)"
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if _ps1_has_nf; then __PS1_USE_NF=1; else __PS1_USE_NF=0; fi
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_ps1_set_prompt
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}
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ps1_on() {
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if [[ "${PROMPT_COMMAND:-}" != *"_ps1_update"* ]]; then
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if [[ -n "${PROMPT_COMMAND:-}" ]]; then
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PROMPT_COMMAND="${PROMPT_COMMAND}; _ps1_update"
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else
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PROMPT_COMMAND="_ps1_update"
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fi
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fi
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_ps1_set_prompt
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}
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ps1_off() { :; }
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# Enable by default when loaded (global standard)
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ps1_on
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