truestuff/load-fzf

80 lines
2.5 KiB
Bash
Executable File

#! /usr/bin/env bash
# shellcheck disable=SC2034,SC1090
# SC2034 variables appear unsued. export if used externally
# - uneeded, as this checked whether script is sourced
# SC1090 Can't follow non-constant source
# Helper function
is_sourced() {
if [ -n "$ZSH_VERSION" ]; then
case $ZSH_EVAL_CONTEXT in *:file:*) return 0;; esac
else # Add additional POSIX-compatible shell names here, if needed.
case ${0##*/} in dash|-dash|bash|-bash|ksh|-ksh|sh|-sh) return 0;; esac
fi
return 1; # NOT sourced.
}
BASE_0=${BASE_0:-$0}
BASE_SHELL=$(basename "$SHELL")
if [[ "$1" == "--force" ]]; then
[[ -e ~/.local/bin/fzf ]] && rm ~/.local/bin/fzf
[[ -e ~/.local/share/lib/fzf ]] && rm -fR ~/.local/share/lib/fzf
unset fzf
fi
if [[ -z "$(type -t fzf)" || ! -e "$(type -p fzf)" ]]; then
curl -sS https://webi.sh/fzf | bash >&2
# shellcheck disable=SC2016 # $ inside single quotes is intentional
printf '%s\n' \
'Run the following and then try again:' \
' exec $SHELL -l' \
'' >&2
elif is_sourced; then
FZF_CTRL_T_COMMAND="command find -L . -xdev -mindepth 1 \\( \
-path '*/\\.*' \
-xdev \
-o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \
\\) -prune \
-o -type f -print \
-o -type d -print \
-o -type l -print 2> /dev/null | cut -b3- \
"
# shellcheck disable=SC2034
# variable appears unsued. export if used externally
# - uneeded, as script is sourced
FZF_ALT_C_COMMAND="command find -L . -xdev -mindepth 1 \\( \
-path '*/\\.*' \
-xdev \
-o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \
\\) -prune \
-o -type d
-print 2> /dev/null | cut -b3- \
"
SRCPATH="$HOME/.local/share/lib/fzf"
mkdir -p "$SRCPATH"
source_code_from() {
local SRCCODE="$SRCPATH/${1}"
[[ -r "$SRCCODE" ]] \
|| curl -sSLo "$SRCCODE" \
"https://raw.githubusercontent.com/junegunn/fzf/master/shell/${1}" \
&& cat "$SRCCODE"
}
. <( source_code_from key-bindings.bash )
. <( source_code_from completion.bash )
unset SRCPATH
elif [[ "$1" == '-' ]]; then
cat "${BASH_SOURCE[0]}"
else
SCRIPT_NAME="$BASE_0"
printf '%s\n' \
"It seems $SCRIPT_NAME was invoked as a script. It should be sourced instead." \
'The easiest way is to call it like this:' \
" $ . <( $SCRIPT_NAME - ) # Note the '-' after the script's name" \
''
fi