+# Bash initialization for interactive non-login shells and
+# for remote shells (info "(bash) Bash Startup Files").
+
+# Export 'SHELL' to child processes. Programs such as 'screen'
+# honor it and otherwise use /bin/sh.
+export SHELL
+
+if [[ $- != *i* ]]
+then
+ # We are being invoked from a non-interactive shell. If this
+ # is an SSH session (as in "ssh host command"), source
+ # /etc/profile so we get PATH and other essential variables.
+ [[ -n "$SSH_CLIENT" ]] && source /etc/profile
+
+ # Don't do anything else.
+ return
+fi
+
+if [ -n "$IS_GUIX_SYSTEM" ]; then
+ # Source the system-wide file.
+ source /etc/bashrc
+fi
+
+# from https://unix.stackexchange.com/a/55935
+a_prompt() {
+ cwd=$(sed -e "s:$HOME:~:" -e "s:\(\.\?[^/]\)[^/]*/:\1/:g" <<<$PWD)
+ printf $cwd
+}
+# Adjust the prompt depending on whether we're in 'guix environment'.
+if [ -n "$GUIX_ENVIRONMENT" ]
+then
+ PS1="\u@\h [env] \$(a_prompt)> "
+else
+ PS1="\u@\h \$(a_prompt)> "
+fi
+
+# set terminal title
+PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME}: $(a_prompt)\007"'
+
+# i-beam cursor
+# echo -e "\033[5 q" # blinking
+echo -e "\033[6 q" # non-blinking
+
+# various bash tweaks
+# append to the history file, don't overwrite it
+shopt -s histappend
+shopt -s cmdhist
+# check the window size after each command and, if necessary,
+# update the values of LINES and COLUMNS.
+shopt -s checkwinsize
+# If set, the pattern "**" used in a pathname expansion context will
+# match all files and zero or more directories and subdirectories.
+#shopt -s globstar
+# for setting history length see HISTSIZE and HISTFILESIZE in bash(1)
+HISTSIZE=
+HISTFILESIZE=
+# don't put duplicate lines or lines starting with space in the
+# history.
+HISTCONTROL=ignoreboth
+# ignore a few very common commands and don't add them to history
+HISTIGNORE='ls:l:s:g:[bf]g:history'
+HISTTIMEFORMAT='%F %T '
+stty stop ""