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#!/bin/bash
cd `dirname $BASH_SOURCE`
fzf_base=`pwd`
# ruby executable
echo -n "Checking Ruby executable ... "
ruby=`which ruby`
if [ $? -ne 0 ]; then
echo "ruby executable not found!"
exit 1
fi
# System ruby is preferred
curses_check="begin; require 'curses'; rescue Exception; exit 1; end"
system_ruby=/usr/bin/ruby
if [ -x $system_ruby -a $system_ruby != "$ruby" ]; then
$system_ruby --disable-gems -e "$curses_check" 2> /dev/null
[ $? -eq 0 ] && ruby=$system_ruby
fi
echo "OK ($ruby)"
# Curses-support
echo -n "Checking Curses support ... "
"$ruby" -e "$curses_check"
if [ $? -eq 0 ]; then
echo "OK"
else
echo "Not found"
echo "Installing 'curses' gem ... "
/usr/bin/env gem install curses -v 1.0.0 --user-install
if [ $? -ne 0 ]; then
echo
echo "Failed to install 'curses' gem."
if [[ $(uname -r) =~ 'ARCH' ]]; then
echo "Make sure that base-devel package group is installed."
fi
exit 1
fi
fi
# Ruby version
echo -n "Checking Ruby version ... "
"$ruby" -e 'exit RUBY_VERSION >= "1.9"'
if [ $? -eq 0 ]; then
echo ">= 1.9"
"$ruby" --disable-gems -e "$curses_check"
if [ $? -eq 0 ]; then
fzf_cmd="$ruby --disable-gems $fzf_base/fzf"
else
fzf_cmd="$ruby $fzf_base/fzf"
fi
else
echo "< 1.9"
fzf_cmd="$ruby $fzf_base/fzf"
fi
# Auto-completion
read -p "Do you want to add auto-completion support? ([y]/n) " -n 1 -r
echo
[[ ! $REPLY =~ ^[Nn]$ ]]
auto_completion=$?
# Key-bindings
read -p "Do you want to add key bindings? ([y]/n) " -n 1 -r
echo
[[ ! $REPLY =~ ^[Nn]$ ]]
key_bindings=$?
echo
for shell in bash zsh; do
echo -n "Generate ~/.fzf.$shell ... "
src=~/.fzf.${shell}
fzf_completion="source $fzf_base/fzf-completion.${shell}"
if [ $auto_completion -ne 0 ]; then
fzf_completion="# $fzf_completion"
fi
cat > $src << EOF
# Setup fzf function
# ------------------
unalias fzf 2> /dev/null
fzf() {
$fzf_cmd "\$@"
}
export -f fzf > /dev/null
# Auto-completion
# ---------------
$fzf_completion
EOF
if [ $key_bindings -eq 0 ]; then
if [ $shell = bash ]; then
cat >> $src << "EOF"
# Key bindings
# ------------
if [[ $- =~ i ]]; then
__fsel() {
find * -path '*/\.*' -prune \
-o -type f -print \
-o -type d -print \
-o -type l -print 2> /dev/null | fzf -m | while read item; do
printf '%q ' "$item"
done
echo
}
__fcd() {
local dir
dir=$(find ${1:-*} -path '*/\.*' -prune -o -type d -print 2> /dev/null | fzf +m) && printf 'cd %q' "$dir"
}
if [ -z "$(set -o | grep '^vi.*on')" ]; then
# Required to refresh the prompt after fzf
bind '"\er": redraw-current-line'
# CTRL-T - Paste the selected file path into the command line
bind '"\C-t": " \C-u \C-a\C-k$(__fsel)\e\C-e\C-y\C-a\C-y\ey\C-h\C-e\er"'
# CTRL-R - Paste the selected command from history into the command line
bind '"\C-r": " \C-e\C-u$(HISTTIMEFORMAT= history | fzf +s | sed \"s/ *[0-9]* *//\")\e\C-e\er"'
# ALT-C - cd into the selected directory
bind '"\ec": " \C-e\C-u$(__fcd)\e\C-e\er\C-m"'
else
bind '"\C-x\C-e": shell-expand-line'
bind '"\C-x\C-r": redraw-current-line'
# CTRL-T - Paste the selected file path into the command line
# - FIXME: Selected items are attached to the end regardless of cursor position
bind '"\C-t": "\eddi$(__fsel)\C-x\C-e\e0P$a \C-x\C-r"'
# CTRL-R - Paste the selected command from history into the command line
bind '"\C-r": "\eddi$(HISTTIMEFORMAT= history | fzf +s | sed \"s/ *[0-9]* *//\")\C-x\C-e\e$a\C-x\C-r"'
# ALT-C - cd into the selected directory
bind '"\ec": "\eddi$(__fcd)\C-x\C-e\C-x\C-r\C-m"'
fi
fi
EOF
else
cat >> $src << "EOF"
# Key bindings
# ------------
# CTRL-T - Paste the selected file path(s) into the command line
fzf-file-widget() {
local FILES
local IFS="
"
FILES=($(
find * -path '*/\.*' -prune \
-o -type f -print \
-o -type d -print \
-o -type l -print 2> /dev/null | fzf -m))
unset IFS
FILES=$FILES:q
LBUFFER="${LBUFFER%% #} $FILES"
zle redisplay
}
zle -N fzf-file-widget
bindkey '^T' fzf-file-widget
# ALT-C - cd into the selected directory
fzf-cd-widget() {
cd "${$(find * -path '*/\.*' -prune \
-o -type d -print 2> /dev/null | fzf):-.}"
zle reset-prompt
}
zle -N fzf-cd-widget
bindkey '\ec' fzf-cd-widget
# CTRL-R - Paste the selected command from history into the command line
fzf-history-widget() {
LBUFFER=$(fc -l 1 | fzf +s | sed "s/ *[0-9]* *//")
zle redisplay
}
zle -N fzf-history-widget
bindkey '^R' fzf-history-widget
EOF
fi
fi
echo "OK"
done
echo
for shell in bash zsh; do
rc=~/.${shell}rc
src="source ~/.fzf.${shell}"
echo "Update $rc:"
echo " - $src"
if [ $(grep -F "$src" $rc | wc -l) -gt 0 ]; then
echo " - Not added (already being sourced)"
else
echo $src >> $rc
echo " - Added"
fi
echo
done
cat << EOF
Finished. Reload your .bashrc or .zshrc.
source ~/.bashrc # bash
source ~/.zshrc # zsh
To uninstall fzf, simply remove the added line.
EOF
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