Fuzzy find, open, edit, etc. from current dir with text preview -- source me!

shellgoodies.sh

wut () {
	local needle="$*"
	local out file key OIFS
	OIFS=$IFS
	IFS=$'\n' out=($(ag -il $needle | fzf --reverse \
                   --preview="ag --color -C 5 $needle {}" \
                   --prompt '(ctrl-{l,o,e,g} to link, open, edit, or browse in github)> ' \
                   --expect=ctrl-l,ctrl-o,ctrl-e,ctrl-g))
	IFS=$OIFS
	if [ -z "$out" ]; then
		return
	fi
	key=$(head -1 <<< "$out") 
	file=$(head -2 <<< "$out" | tail -1) 
	case $key in
		(ctrl-l) linkto $file
			return ;;
		(ctrl-o) open $file ;;
		(ctrl-e) ${EDITOR:-vim} "$file" ;;
		(ctrl-g) gh $file ;;
		(*)  ;;
	esac
	echo $file
	echo -n $file | pbcopy
}

linkto () {
# given relative filepath, find corresponding github URL
# copy this to pastebuffer, and emit to stdout
	local origin=$(git ls-remote --get-url | sed -Ee 's#https?://##')
	local user=$(echo $origin | sed -Ee 's#^.*[/:]+(.*)/.*$#\1#')
	local project=$(echo $origin | sed -Ee 's#^.*[/:]+.*/(.*).git$#\1#')
	(
		cd $(dirname $*)
		local urlpath=$(find $(pwd) -name $(basename $*) -maxdepth 1 | sed -n -e "s/^.*${project}//p")
		local url="https://github.com/${user}/${project}/blob/master${urlpath}"
		echo -n $url | pb | cat -
	)
}

gh () {
# open relative filepath in github
	open `linkto $*`
}

pb () {
	# 'clipboard DWIM tool'
	# example 'pb  # paste'
	# example 'echo hi | pb  # copy'
	# example 'echo hi | pb | cat -  # copy and paste'
	# example 'pb </tmp/file  # copy'
	# example 'pb >/tmp/file  # paste'
	# example 'pb </tmp/file1 >/tmp/file2  # copy and paste'
	if [[ -p /dev/stdin ]]
	then
		pbcopy
	fi
	if [[ ! -t 0 && ! -p /dev/stdin ]]
	then
		pbcopy
	fi
	if [[ -t 1 ]]
	then
		if [[ -t 0 ]]
		then
			pbpaste
		fi
	fi
	if [[ -p /dev/stdout ]]
	then
		pbpaste
	fi
	if [[ ! -t 1 && ! -p /dev/stdout ]]
	then
		pbpaste
	fi
}