fzf/install

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2013-10-23 01:26:55 +00:00
#!/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
echo "OK"
# Curses-support
echo -n "Checking Curses support ... "
/usr/bin/env ruby -e "begin; require 'curses'; rescue Exception; exit 1; end"
if [ $? -ne 0 ]; then
echo "Your ruby does not support 'curses'"
exit 1
fi
echo "OK"
# Ruby version
echo -n "Checking Ruby version ... "
/usr/bin/env ruby -e 'exit RUBY_VERSION >= "1.9"'
if [ $? -eq 0 ]; then
echo ">= 1.9"
fzf_cmd="$ruby --disable-gems $fzf_base/fzf"
else
echo "< 1.9"
fzf_cmd="$ruby $fzf_base/fzf"
fi
# Auto-completion
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read -p "Do you want to add auto-completion support? ([y]/n) " -n 1 -r
echo
[[ ! $REPLY =~ ^[Nn]$ ]]
auto_completion=$?
echo
for shell in bash zsh; do
echo -n "Generate ~/.fzf.$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
unalias fzf 2> /dev/null
fzf() {
$fzf_cmd "\$@"
}
export -f fzf > /dev/null
$fzf_completion
EOF
echo "OK"
done
echo
for shell in bash zsh; do
rc=~/.${shell}rc
src="source ~/.fzf.${shell}"
echo "Update $rc:"
echo " - $src"
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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
echo "Finished. Reload your .bashrc or .zshrc to take effect."
echo " source ~/.bashrc # bash"
echo " source ~/.zshrc # zsh"
echo
echo "To uninstall fzf, simply remove the added line."
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