bash theme: prompt [HH:MM DD.MM.YYYY] with 256-color PS1

.bashrc

@@ -0,0 +1,45 @@
+# ~/.bashrc
+
+if [ -z "$PS1" ]; then
+    [[ $- != *i* ]] && return
+fi
+
+HISTCONTROL=ignoreboth
+shopt -s histappend
+HISTSIZE=1000
+HISTFILESIZE=2000
+shopt -s checkwinsize
+
+[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"
+
+if [ -z "${debian_chroot:-}" ] && [ -r /etc/debian_chroot ]; then
+    debian_chroot=$(cat /etc/debian_chroot)
+fi
+
+# ---- theme ----
+PS1='\[\033[38;5;47m\][\A $(date +%d.%m.%Y)]\n[\[\033[38;5;$(if [ $EUID -eq 0 ]; then echo 199; else echo 69; fi)m\]\u\[\033[38;5;47m\]@\h \w:\$] \[\033[0m\]'
+# ---------------
+
+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

install.sh

@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+set -e
+
+REPO_DIR="$(cd "$(dirname "$0")" && pwd)"
+BASH_SRC="$REPO_DIR/.bashrc"
+
+install_user() {
+    local target="$1"
+    if [ -z "$target" ]; then
+        target="$HOME"
+    fi
+    if [ -f "$target/.bashrc" ] && [ ! -f "$target/.bashrc.bak" ]; then
+        cp "$target/.bashrc" "$target/.bashrc.bak"
+        echo "backup: $target/.bashrc -> $target/.bashrc.bak"
+    fi
+    cp "$BASH_SRC" "$target/.bashrc"
+    echo "installed: $target/.bashrc"
+
+    if command -v chsh >/dev/null 2>&1; then
+        local shell_path
+        shell_path="$(command -v bash)"
+        if [ "$SHELL" != "$shell_path" ]; then
+            echo "change default shell to $shell_path? [y/N]"
+            read -r ans
+            if [ "$ans" = "y" ] || [ "$ans" = "Y" ]; then
+                chsh -s "$shell_path"
+                echo "default shell changed to bash"
+            fi
+        fi
+    fi
+}
+
+install_system() {
+    if [ ! -f /etc/skel/.bashrc.bak ] && [ -f /etc/skel/.bashrc ]; then
+        cp /etc/skel/.bashrc /etc/skel/.bashrc.bak
+        echo "backup: /etc/skel/.bashrc -> /etc/skel/.bashrc.bak"
+    fi
+    cp "$BASH_SRC" /etc/skel/.bashrc
+    echo "installed: /etc/skel/.bashrc"
+}
+
+case "${1:-user}" in
+    user)
+        install_user "${2:-$HOME}"
+        ;;
+    system)
+        install_system
+        ;;
+    *)
+        echo "usage: $0 [user|system] [target_dir]"
+        exit 1
+        ;;
+esac