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This commit is contained in:
119
bannerscript.sh
119
bannerscript.sh
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#!/usr/bin/env bash
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set -euo pipefail
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# Must be root
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if [[ "${EUID}" -ne 0 ]]; then
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echo "Kjør som root: sudo bash $0"
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exit 1
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fi
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### 1) Ensure required packages installed
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need_pkgs=(landscape-common figlet lolcat)
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missing=()
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for p in "${need_pkgs[@]}"; do
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if ! dpkg -s "$p" >/dev/null 2>&1; then
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missing+=("$p")
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fi
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done
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if ((${#missing[@]} > 0)); then
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echo "Installerer manglende pakker: ${missing[*]}"
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export DEBIAN_FRONTEND=noninteractive
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apt-get update -y
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apt-get install -y "${missing[@]}"
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fi
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### 2) Ask punchline (clear wording, always from TTY)
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echo
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read -r -p "Skriv ønsket punchline (vises under hostname i banneret): " PUNCHLINE </dev/tty
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if [[ -z "${PUNCHLINE// }" ]]; then
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echo "Punchline kan ikke være tom."
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exit 1
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fi
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GLOBAL_BASHRC="/etc/bash.bashrc"
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MARKER_START="# >>> global custom bashrc (managed) >>>"
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MARKER_END="# <<< global custom bashrc (managed) <<<"
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# Backup
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cp -a "$GLOBAL_BASHRC" "${GLOBAL_BASHRC}.backup.$(date +%Y%m%d_%H%M%S)" 2>/dev/null || true
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# Remove old managed block (if any)
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tmp="$(mktemp)"
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awk -v s="$MARKER_START" -v e="$MARKER_END" '
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$0==s {inside=1; next}
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$0==e {inside=0; next}
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!inside {print}
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' "$GLOBAL_BASHRC" > "$tmp"
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cat "$tmp" > "$GLOBAL_BASHRC"
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rm -f "$tmp"
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# Append fresh managed block (NO expansion while writing)
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cat >> "$GLOBAL_BASHRC" <<'EOF'
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# >>> global custom bashrc (managed) >>>
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# Only run in interactive shells
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case "$-" in
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*i*) ;;
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*) return ;;
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esac
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##### HISTORY / BASICS #####
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HISTCONTROL=ignoreboth
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shopt -s histappend
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HISTSIZE=999999
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HISTFILESIZE=999999
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shopt -s checkwinsize
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[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"
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##### PROMPT (GLOBAL) #####
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export PS1="\[\e[0m\]\[\e[38;5;35m\]╭─(\[\e[38;5;38m\]\t\[\e[38;5;35m\])-(\[\e[38;5;38m\]\j\[\e[38;5;35m\])-(\[\e[38;5;38m\]\H\[\e[38;5;35m\])-(\[\e[38;5;38m\]\w\[\e[38;5;35m\])\n\[\e[38;5;35m\]╰──🚀 \[\e[0m\]"
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##### COLORS / ALIASES #####
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if [ -x /usr/bin/dircolors ]; then
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test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
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alias ls='ls --color=auto'
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alias grep='grep --color=auto'
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alias fgrep='fgrep --color=auto'
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alias egrep='egrep --color=auto'
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fi
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alias ll='ls -alF'
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alias la='ls -A'
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alias l='ls -CF'
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if [ -f ~/.bash_aliases ]; then
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. ~/.bash_aliases
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fi
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if ! shopt -oq posix; then
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if [ -f /usr/share/bash-completion/bash_completion ]; then
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. /usr/share/bash-completion/bash_completion
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elif [ -f /etc/bash_completion ]; then
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. /etc/bash_completion
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fi
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fi
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##### BANNER #####
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LOLCAT="/usr/games/lolcat"
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if [ ! -x "$LOLCAT" ]; then
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LOLCAT="$(command -v lolcat 2>/dev/null || true)"
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fi
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[ -z "$LOLCAT" ] && LOLCAT="cat"
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figlet "$(hostname)" -c | "$LOLCAT"
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figlet -f digital "__PUNCHLINE__" -c | "$LOLCAT"
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landscape-sysinfo | "$LOLCAT"
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# <<< global custom bashrc (managed) <<<
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EOF
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# Replace placeholder with user punchline (safe)
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safe_punchline="$(printf '%s' "$PUNCHLINE" | sed 's/[\/&]/\\&/g')"
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sed -i "s/__PUNCHLINE__/${safe_punchline}/g" "$GLOBAL_BASHRC"
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echo
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echo "Ferdig ✅"
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echo "Global PS1 + banner er nå aktivt for alle brukere."
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echo "Kjør scriptet på nytt for å endre punchline."
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58
dotfiles/banner/banner.sh
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58
dotfiles/banner/banner.sh
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#!/usr/bin/env bash
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# Banner module (global/user). Runs once per login session.
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case "$-" 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_BANNER=1
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# 2) file: ~/.config/ps1/disable-banner
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if [[ "${DISABLE_GLOBAL_BANNER:-0}" == "1" ]]; then
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return 0
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fi
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if [[ -f "$HOME/.config/ps1/disable-banner" ]]; then
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return 0
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fi
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# Run banner only once per session
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if [[ -n "${__BANNER_ALREADY_SHOWN:-}" ]]; then
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return 0
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fi
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__BANNER_ALREADY_SHOWN=1
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# Find tools (be defensive)
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FIGLET="$(command -v figlet 2>/dev/null || true)"
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LANDSCAPE="$(command -v landscape-sysinfo 2>/dev/null || true)"
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# lolcat is often /usr/games/lolcat on Ubuntu
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if [[ -x /usr/games/lolcat ]]; then
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LOLCAT="/usr/games/lolcat"
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else
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LOLCAT="$(command -v lolcat 2>/dev/null || true)"
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fi
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# If lolcat missing, fallback to cat (no color)
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if [[ -z "${LOLCAT:-}" ]]; then
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LOLCAT="cat"
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fi
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# Punchline source:
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# - global file: /etc/ps1-punchline
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# - fallback: "Hello"
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PUNCHLINE="Hello"
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if [[ -r /etc/ps1-punchline ]]; then
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PUNCHLINE="$(cat /etc/ps1-punchline 2>/dev/null || echo "Hello")"
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fi
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# Print banner (only if figlet exists)
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if [[ -n "${FIGLET:-}" ]]; then
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"$FIGLET" "$(hostname)" -c | "$LOLCAT"
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"$FIGLET" -f digital "$PUNCHLINE" -c | "$LOLCAT"
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fi
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# Print sysinfo if available (Linux)
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if [[ -n "${LANDSCAPE:-}" ]]; then
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"$LANDSCAPE" | "$LOLCAT"
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fi
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@@ -10,21 +10,24 @@ SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
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REPO_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
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SRC_PS1="$REPO_ROOT/ps1/ps1.sh"
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SRC_BANNER="$REPO_ROOT/banner/banner.sh"
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DST_PS1="/etc/profile.d/ps1.sh"
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DST_BANNER="/etc/profile.d/banner.sh"
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BASH_BASHRC="/etc/bash.bashrc"
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MARKER_START="# >>> global ps1 (managed) >>>"
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MARKER_END="# <<< global ps1 (managed) <<<"
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if [[ ! -r "$SRC_PS1" ]]; then
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echo "Fant ikke $SRC_PS1"
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exit 1
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fi
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MARKER_START="# >>> dotfiles (managed) >>>"
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MARKER_END="# <<< dotfiles (managed) <<<"
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# Copy modules
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cp -f "$SRC_PS1" "$DST_PS1"
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chmod 0644 "$DST_PS1"
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# Ensure /etc/bash.bashrc sources it (idempotent)
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cp -f "$SRC_BANNER" "$DST_BANNER"
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chmod 0644 "$DST_BANNER"
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# Ensure /etc/bash.bashrc sources both (idempotent)
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tmp="$(mktemp)"
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awk -v s="$MARKER_START" -v e="$MARKER_END" '
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$0==s {inside=1; next}
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@@ -37,17 +40,24 @@ rm -f "$tmp"
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cat >> "$BASH_BASHRC" <<EOF
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$MARKER_START
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# Load global PS1 (managed)
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# Load PS1 + Banner (managed)
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if [ -r "$DST_PS1" ]; then
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. "$DST_PS1"
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fi
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if [ -r "$DST_BANNER" ]; then
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. "$DST_BANNER"
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fi
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$MARKER_END
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EOF
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echo "✅ Linux/WSL global PS1 installert:"
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echo " $DST_PS1"
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echo " og sourcet fra $BASH_BASHRC"
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echo "✅ Installert globalt (Linux/WSL):"
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echo " - $DST_PS1"
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echo " - $DST_BANNER"
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echo " - sourcet fra $BASH_BASHRC"
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echo
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echo "Disable per bruker:"
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echo " export DISABLE_GLOBAL_PS1=1"
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echo " eller touch ~/.config/ps1/disable"
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echo " export DISABLE_GLOBAL_BANNER=1"
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echo " eller:"
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echo " mkdir -p ~/.config/ps1 && touch ~/.config/ps1/disable # disable PS1"
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echo " mkdir -p ~/.config/ps1 && touch ~/.config/ps1/disable-banner # disable banner"
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