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#!/bin/bash
# MIT License
# Copyright (c) 2018 Urbain Vaes
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
FZF_MARKS_COMMAND='fzf --height 40%'
FZF_MARKS_FILE=$FZF_DIRECTORY_MARKS
command -v fzf >/dev/null 2>&1 || return
is_interactive_shell() { # https://www.gnu.org/software/bash/manual/html_node/Is-this-Shell-Interactive_003f.html
[[ "$-" =~ "i" ]]
}
[ ! -f "${FZF_MARKS_FILE}" ] && mkdir -p "$(dirname "${FZF_MARKS_FILE}")" && touch "${FZF_MARKS_FILE}"
if [[ -z "${FZF_MARKS_COMMAND}" ]] ; then
FZF_VERSION=$(fzf --version | awk -F. '{ print $1 * 1e6 + $2 * 1e3 + $3 }')
MINIMUM_VERSION=16001
if [[ $FZF_VERSION -gt $MINIMUM_VERSION ]]; then
FZF_MARKS_COMMAND="fzf --height 40% --reverse --header='ctrl-y:jump, ctrl-t:toggle, ctrl-d:delete'"
elif [[ ${FZF_TMUX:-1} -eq 1 ]]; then
FZF_MARKS_COMMAND="fzf-tmux -d${FZF_TMUX_HEIGHT:-40%}"
else
FZF_MARKS_COMMAND="fzf"
fi
fi
function fzf-dir-mark {
local mark_to_add
mark_to_add="$* : $(pwd)"
if grep -qxFe "${mark_to_add}" "${FZF_MARKS_FILE}"; then
echo "** The following mark already exists **"
else
echo "${mark_to_add}" >> "${FZF_MARKS_FILE}"
echo "** The following mark has been added **"
fi
echo "${mark_to_add}" | _color_marks
}
function _handle_symlinks {
local fname link
if [ -L "${FZF_MARKS_FILE}" ]; then
link=$(readlink "${FZF_MARKS_FILE}")
case "$link" in
/*) fname="$link";;
*) fname="$(dirname "$FZF_MARKS_FILE")/$link";;
esac
else
fname=${FZF_MARKS_FILE}
fi
echo "${fname}"
}
function _color_marks {
if [[ "${FZF_MARKS_NO_COLORS}" == "1" ]]; then
cat
else
local esc c_lhs c_rhs c_colon
esc=$(printf '\033')
c_lhs=${FZF_MARKS_COLOR_LHS:-39}
c_rhs=${FZF_MARKS_COLOR_RHS:-36}
c_colon=${FZF_MARKS_COLOR_COLON:-33}
sed "s/^\\(.*\\) : \\(.*\\)$/${esc}[${c_lhs}m\\1${esc}[0m ${esc}[${c_colon}m:${esc}[0m ${esc}[${c_rhs}m\\2${esc}[0m/"
fi
}
function fzf-dir {
lines=$(_color_marks < "${FZF_MARKS_FILE}" | eval ${FZF_MARKS_COMMAND} \
--ansi \
--expect="${FZF_MARKS_DELETE:-ctrl-d}" \
--multi \
--bind=ctrl-y:accept,ctrl-t:toggle \
--query="$*" \
--select-1 \
--tac)
if [[ -z "$lines" ]]; then
return 1
fi
key=$(head -1 <<< "$lines")
if [[ $key == "${FZF_MARKS_DELETE:-ctrl-d}" ]]; then
fzf-dir-delete "-->-->-->" "$(sed 1d <<< "$lines")"
else
fzf-dir-jump "-->-->-->" "$(tail -1 <<< "${lines}")"
fi
}
function fzf-dir-jump {
local jumpline jumpdir bookmarks
if [[ $1 == "-->-->-->" ]]; then
jumpline=$2
else
jumpline=$(_color_marks < "${FZF_MARKS_FILE}" | eval ${FZF_MARKS_COMMAND} --ansi --bind=ctrl-y:accept --query="$*" --select-1 --tac)
fi
if [[ -n ${jumpline} ]]; then
jumpdir=$(echo "${jumpline}" | sed 's/.*: \(.*\)$/\1/' | sed "s#^~#${HOME}#")
bookmarks=$(_handle_symlinks)
if is_interactive_shell; then
cd "${jumpdir}" || return
else
echo "${jumpdir}" || return
fi
if ! [[ "${FZF_MARKS_KEEP_ORDER}" == 1 ]]; then
perl -n -i -e "print unless /^\\Q${jumpline//\//\\/}\\E\$/" "${bookmarks}"
echo "${jumpline}" >> "${FZF_MARKS_FILE}"
fi
fi
}
function fzf-dir-delete {
local marks_to_delete line bookmarks
if [[ $1 == "-->-->-->" ]]; then
marks_to_delete=$2
else
marks_to_delete=$(_color_marks < "${FZF_MARKS_FILE}" | eval ${FZF_MARKS_COMMAND} -m --ansi --bind=ctrl-y:accept,ctrl-t:toggle --query="$*" --tac)
fi
bookmarks=$(_handle_symlinks)
if [[ -n ${marks_to_delete} ]]; then
while IFS='' read -r line; do
perl -n -i -e "print unless /^\\Q${line//\//\\/}\\E\$/" "${bookmarks}"
done <<< "$marks_to_delete"
[[ $(wc -l <<< "${marks_to_delete}") == 1 ]] \
&& echo "** The following mark has been deleted **" \
|| echo "** The following marks have been deleted **"
echo "${marks_to_delete}" | _color_marks
fi
}
if is_interactive_shell; then
bind "\"${FZF_MARKS_JUMP:-\C-g}\":\"fzf-dir\\n\""
fi
if [ "${FZF_MARKS_DMARK}" ]; then
bind "\"${FZF_MARKS_DMARK}\":\"fzf-dir-delete\\n\""
fi
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