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# Copyright (C) 2021, 2022 Soni L.
# SPDX-License-Identifier: AGPL-3.0-or-later
# note: consider adding the following to your PS1:
PS1='{$([[ "${HISTFILE#~/.bash_history.}" != "$HISTFILE" ]] && printf "@ " || printf "/ ")${HISTFILE#~/.bash_history.}} '"$PS1"
if [[ "$HISTFILE" = ~/.bash_history ]]; then
HISTFILE="$HISTFILE".default
fi
# simple interface to history/"session" management
# usage: session <name>
# switches HISTFILE to ~/.bash_history.<name>
session() {
if [[ "$1" =~ ^[a-z][a-z0-9]*$ ]]; then
# remove session switch from history
history -d -1
# write/append history
if shopt -q histappend; then history -a; else history -w; fi
# clear history
history -c
# set HISTFILE
HISTFILE=~/.bash_history."$1"
# load new session's history
history -r
# see setsessioncwd()
eval "$(grep -s '# '"$1"'$' ~/.bash_session_cwd | tail -n 1)"
else
echo "invalid session"
false
fi
}
# setup completion for session(), using only builtins
complete -C 'source <(printf "%s" '\''
set -- ~/.bash_history."$2"*
flag=0
[[ -e "$1" ]] && for f in "${@#~/.bash_history.}" ; do
if [[ "$f" =~ ^[a-z][a-z0-9]*$ ]] ; then
((flag)) && printf "\n"
printf "%s" "$f"
flag=1
fi
done
'\'')' session
# sets the current cwd as the default cwd for the session
setsessioncwd() {
local session
# guard against relative HISTFILE
if [[ "${HISTFILE#~/.bash_history.}" != "$HISTFILE" ]]; then
session="${HISTFILE#~/.bash_history.}"
if [[ "$session" =~ ^[a-z][a-z0-9]*$ ]]; then
printf 'cd %q # %s\n' "$PWD" "$session" >>~/.bash_session_cwd
else
echo "invalid session"
false
fi
else
echo "invalid session"
false
fi
}
# saves the current working directory into the current history.
# does NOT save to the history *file*.
savecwd() {
history -s "$(printf 'cd %q' "$PWD")"
}
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