Files
zsh-fzf-history-search/zsh-fzf-history-search.zsh
2025-11-02 18:15:13 -08:00

92 lines
2.8 KiB
Bash

# do nothing if fzf is not installed
(( ! $+commands[fzf] )) && return
# Bind for fzf history search
(( ! ${+ZSH_FZF_HISTORY_SEARCH_BIND} )) &&
typeset -g ZSH_FZF_HISTORY_SEARCH_BIND='^r'
# Args for fzf
(( ! ${+ZSH_FZF_HISTORY_SEARCH_FZF_ARGS} )) &&
typeset -g ZSH_FZF_HISTORY_SEARCH_FZF_ARGS='+s +m -x -e --preview-window=hidden'
# Extra args for fzf
(( ! ${+ZSH_FZF_HISTORY_SEARCH_FZF_EXTRA_ARGS} )) &&
typeset -g ZSH_FZF_HISTORY_SEARCH_FZF_EXTRA_ARGS=''
# Cursor to end-of-line
(( ! ${+ZSH_FZF_HISTORY_SEARCH_END_OF_LINE} )) &&
typeset -g ZSH_FZF_HISTORY_SEARCH_END_OF_LINE=''
# Include event numbers
(( ! ${+ZSH_FZF_HISTORY_SEARCH_EVENT_NUMBERS} )) &&
typeset -g ZSH_FZF_HISTORY_SEARCH_EVENT_NUMBERS=1
# Include full date timestamps in ISO8601 `yyyy-mm-dd hh:mm' format
(( ! ${+ZSH_FZF_HISTORY_SEARCH_DATES_IN_SEARCH} )) &&
typeset -g ZSH_FZF_HISTORY_SEARCH_DATES_IN_SEARCH=1
# Remove duplicate entries in history
(( ! ${+ZSH_FZF_HISTORY_SEARCH_REMOVE_DUPLICATES} )) &&
typeset -g ZSH_FZF_HISTORY_SEARCH_REMOVE_DUPLICATES=''
# Define fzf query, when $BUFFER is not empty
(( ! ${+ZSH_FZF_HISTORY_SEARCH_FZF_QUERY_PREFIX} )) &&
typeset -g ZSH_FZF_HISTORY_SEARCH_FZF_QUERY_PREFIX=''
fzf_history_search() {
setopt extendedglob
FC_ARGS="-l"
CANDIDATE_LEADING_FIELDS=2
if (( ! $ZSH_FZF_HISTORY_SEARCH_EVENT_NUMBERS )); then
FC_ARGS+=" -n"
((CANDIDATE_LEADING_FIELDS--))
fi
if (( $ZSH_FZF_HISTORY_SEARCH_DATES_IN_SEARCH )); then
FC_ARGS+=" -i"
((CANDIDATE_LEADING_FIELDS+=2))
fi
history_cmd="fc ${=FC_ARGS} -1 0"
if [ -n "${ZSH_FZF_HISTORY_SEARCH_REMOVE_DUPLICATES}" ];then
if (( $+commands[awk] )); then
history_cmd="$history_cmd | awk '!seen[\$0]++'"
else
# In case awk is not installed fallback to uniq. It will only remove commands that are repeated consecutively.
history_cmd="$history_cmd | uniq"
fi
fi
if (( $#BUFFER )); then
candidates=(${(f)"$(eval $history_cmd | fzf ${=ZSH_FZF_HISTORY_SEARCH_FZF_ARGS} ${=ZSH_FZF_HISTORY_SEARCH_FZF_EXTRA_ARGS} -q "${=ZSH_FZF_HISTORY_SEARCH_FZF_QUERY_PREFIX}$BUFFER")"})
else
candidates=(${(f)"$(eval $history_cmd | fzf ${=ZSH_FZF_HISTORY_SEARCH_FZF_ARGS} ${=ZSH_FZF_HISTORY_SEARCH_FZF_EXTRA_ARGS})"})
fi
local ret=$?
if [ -n "$candidates" ]; then
if (( $CANDIDATE_LEADING_FIELDS != 1 )); then
BUFFER="${candidates[@]/(#m)[0-9 \-\:\*]##/$(
printf '%s' "${${(As: :)MATCH}[${CANDIDATE_LEADING_FIELDS},-1]}" | sed 's/%/%%/g'
)}"
else
BUFFER="${(j| && |)candidates}"
fi
zle vi-fetch-history -n $BUFFER
if [ -n "${ZSH_FZF_HISTORY_SEARCH_END_OF_LINE}" ]; then
zle end-of-line
fi
fi
zle reset-prompt
return $ret
}
autoload fzf_history_search
zle -N fzf_history_search
bindkey $ZSH_FZF_HISTORY_SEARCH_BIND fzf_history_search