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function _fzf_search_history --description "Search command history. Replace the command line with the selected command."
# history merge incorporates history changes from other fish sessions
# it errors out if called in private mode
if test -z "$fish_private_mode"
builtin history merge
end
if not set --query fzf_history_time_format
# Reference https://devhints.io/strftime to understand strftime format symbols
set -f fzf_history_time_format "%m-%d %H:%M:%S"
end
# Delinate time from command in history entries using the vertical box drawing char (U+2502).
# Then, to get raw command from history entries, delete everything up to it. The ? on regex is
# necessary to make regex non-greedy so it won't match into commands containing the char.
set -f time_prefix_regex '^.*? │ '
# Delinate commands throughout pipeline using null rather than newlines because commands can be multi-line
set -f commands_selected (
builtin history --null --show-time="$fzf_history_time_format │ " |
_fzf_wrapper --read0 \
--print0 \
--multi \
--scheme=history \
--prompt="History> " \
--query=(commandline) \
--preview="string replace --regex '$time_prefix_regex' '' -- {} | fish_indent --ansi" \
--preview-window="bottom:3:wrap" \
$fzf_history_opts |
string split0 |
# remove timestamps from commands selected
string replace --regex $time_prefix_regex ''
)
if test $status -eq 0
commandline --replace -- $commands_selected
end
commandline --function repaint
end
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