nanuqsaurus/scripts/shell-init.sh
2026-02-03 18:36:21 +02:00

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# ---- logging ---------------------------------------------------------------
log_shell_init() {
printf '%s\n' "shell-init: $*" >>/tmp/shell-init.log 2>/dev/null || true
}
# ---- helpers ---------------------------------------------------------------
have() { command -v "$1" >/dev/null 2>&1; }
is_interactive() {
[[ -t 1 || -n ${PS1:-} ]]
}
append_unique() {
local var="$1" val="$2"
[[ ";${!var:-};" == *";$val;"* ]] && return
printf -v "$var" '%s' "${!var:+${!var%;};}$val"
}
prepend_unique_array() {
local name="$1" val="$2"
local -n arr="$name"
local out=("$val")
for f in "${arr[@]}"; do [[ $f != "$val" ]] && out+=("$f"); done
arr=("${out[@]}")
}
# ---- environment sanity ----------------------------------------------------
if [[ -z ${TERM:-} || $TERM == dumb ]]; then
export TERM=xterm-256color
fi
INTERACTIVE=0
is_interactive && INTERACTIVE=1
log_shell_init "TERM=$TERM PS1=${PS1:-<empty>} SHELL=$SHELL interactive=$INTERACTIVE"
# Ensure PS1 exists so downstream init blocks run
if (( INTERACTIVE )) && [[ -z ${PS1:-} ]]; then
PS1='\\s-\\v\\$ '
fi
(( INTERACTIVE )) || return 0
# ---- bash-preexec ----------------------------------------------------------
if [[ -n ${BASH_VERSION:-} && -z ${bash_preexec_imported:-} && -r "@BASHPREEXEC@" ]]; then
# shellcheck disable=SC1090
. "@BASHPREEXEC@"
have __bp_install && __bp_install
log_shell_init "bash-preexec loaded"
fi
# ---- starship --------------------------------------------------------------
if have @STARSHIP@; then
log_shell_init "starship init"
case $SHELL in
*/bash) eval "$(@STARSHIP@ init bash)" ;;
*/zsh) eval "$(@STARSHIP@ init zsh)" ;;
esac
append_unique PROMPT_COMMAND starship_precmd
else
log_shell_init "starship skipped"
fi
# ---- atuin -----------------------------------------------------------------
if have @ATUIN@; then
log_shell_init "atuin init"
if [[ -z ${ATUIN_SESSION:-} ]]; then
export ATUIN_SESSION="$(@ATUIN@ uuid)"
ATUIN_HISTORY_ID=""
fi
case $SHELL in
*/bash) eval "$(@ATUIN@ init bash)" ;;
*/zsh) eval "$(@ATUIN@ init zsh)" ;;
esac
declare -a preexec_functions precmd_functions
prepend_unique_array preexec_functions __atuin_preexec
prepend_unique_array precmd_functions __atuin_precmd
else
log_shell_init "atuin skipped"
fi
# ---- zoxide ---------------------------------------------------------------
if have zoxide; then
log_shell_init "zoxide init"
case $SHELL in
*/bash) eval "$(zoxide init bash)" ;;
*/zsh) eval "$(zoxide init zsh)" ;;
esac
have __zoxide_hook && append_unique PROMPT_COMMAND __zoxide_hook
else
log_shell_init "zoxide skipped"
fi
# ---- bash-preexec PROMPT_COMMAND safety -----------------------------------
have __bp_precmd_invoke_cmd && append_unique PROMPT_COMMAND __bp_precmd_invoke_cmd
have __bp_interactive_mode && append_unique PROMPT_COMMAND __bp_interactive_mode
# ---- aliases --------------------------------------------------------------
if have eza; then
alias ls='eza'
alias ll='eza -l --icons=auto --group-directories-first'
alias l1='eza -1'
alias l.='eza -d .*'
fi
if have ug; then
alias grep='ug'
alias egrep='ug -E'
alias fgrep='ug -F'
alias xzgrep='ug -z'
alias xzegrep='ug -zE'
alias xzfgrep='ug -zF'
fi
if have bat; then
alias cat='bat --style=plain --pager=never' 2>/dev/null
fi