Add bashscript.sh

bashscript.sh

@@ -0,0 +1,119 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Must be root
+if [[ "${EUID}" -ne 0 ]]; then
+  echo "Kjør som root: sudo bash $0"
+  exit 1
+fi
+
+### 1) Ensure required packages installed
+need_pkgs=(landscape-common figlet lolcat)
+missing=()
+for p in "${need_pkgs[@]}"; do
+  if ! dpkg -s "$p" >/dev/null 2>&1; then
+    missing+=("$p")
+  fi
+done
+
+if ((${#missing[@]} > 0)); then
+  echo "Installerer manglende pakker: ${missing[*]}"
+  export DEBIAN_FRONTEND=noninteractive
+  apt-get update -y
+  apt-get install -y "${missing[@]}"
+fi
+
+### 2) Ask punchline (clear wording, always from TTY)
+echo
+read -r -p "Skriv ønsket punchline (vises under hostname i banneret): " PUNCHLINE </dev/tty
+if [[ -z "${PUNCHLINE// }" ]]; then
+  echo "Punchline kan ikke være tom."
+  exit 1
+fi
+
+GLOBAL_BASHRC="/etc/bash.bashrc"
+MARKER_START="# >>> global custom bashrc (managed) >>>"
+MARKER_END="# <<< global custom bashrc (managed) <<<"
+
+# Backup
+cp -a "$GLOBAL_BASHRC" "${GLOBAL_BASHRC}.backup.$(date +%Y%m%d_%H%M%S)" 2>/dev/null || true
+
+# Remove old managed block (if any)
+tmp="$(mktemp)"
+awk -v s="$MARKER_START" -v e="$MARKER_END" '
+  $0==s {inside=1; next}
+  $0==e {inside=0; next}
+  !inside {print}
+' "$GLOBAL_BASHRC" > "$tmp"
+cat "$tmp" > "$GLOBAL_BASHRC"
+rm -f "$tmp"
+
+# Append fresh managed block (NO expansion while writing)
+cat >> "$GLOBAL_BASHRC" <<'EOF'
+
+# >>> global custom bashrc (managed) >>>
+# Only run in interactive shells
+case "$-" in
+  *i*) ;;
+  *) return ;;
+esac
+
+##### HISTORY / BASICS #####
+HISTCONTROL=ignoreboth
+shopt -s histappend
+HISTSIZE=999999
+HISTFILESIZE=999999
+shopt -s checkwinsize
+
+[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"
+
+##### PROMPT (GLOBAL) #####
+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\[\e[38;5;35m\]╰──🚀 \[\e[0m\]"
+
+##### COLORS / ALIASES #####
+if [ -x /usr/bin/dircolors ]; then
+  test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
+  alias ls='ls --color=auto'
+  alias grep='grep --color=auto'
+  alias fgrep='fgrep --color=auto'
+  alias egrep='egrep --color=auto'
+fi
+
+alias ll='ls -alF'
+alias la='ls -A'
+alias l='ls -CF'
+
+if [ -f ~/.bash_aliases ]; then
+  . ~/.bash_aliases
+fi
+
+if ! shopt -oq posix; then
+  if [ -f /usr/share/bash-completion/bash_completion ]; then
+    . /usr/share/bash-completion/bash_completion
+  elif [ -f /etc/bash_completion ]; then
+    . /etc/bash_completion
+  fi
+fi
+
+##### BANNER #####
+LOLCAT="/usr/games/lolcat"
+if [ ! -x "$LOLCAT" ]; then
+  LOLCAT="$(command -v lolcat 2>/dev/null || true)"
+fi
+[ -z "$LOLCAT" ] && LOLCAT="cat"
+
+figlet "$(hostname)" -c | "$LOLCAT"
+figlet -f digital "__PUNCHLINE__" -c | "$LOLCAT"
+landscape-sysinfo | "$LOLCAT"
+# <<< global custom bashrc (managed) <<<
+
+EOF
+
+# Replace placeholder with user punchline (safe)
+safe_punchline="$(printf '%s' "$PUNCHLINE" | sed 's/[\/&]/\\&/g')"
+sed -i "s/__PUNCHLINE__/${safe_punchline}/g" "$GLOBAL_BASHRC"
+
+echo
+echo "Ferdig ✅"
+echo "Global PS1 + banner er nå aktivt for alle brukere."
+echo "Kjør scriptet på nytt for å endre punchline."