v - A modern rewrite of https://github.com/rupa/v using fzf/bat

README.md

v(1) - a modern rewrite of v

Description

v(1) lists vim's recently edited files for quick selection, regardless of where you are in the filesystem.

Dependencies

• vim
• fzf
• bat

Installation

make install

Provides

• v(1)
• vi(1) - wrapper around v/vi/vim

Makefile

install:
	chmod +x ./v
	install -m550 $$PWD/v ~/.local/bin/
	install -m550 $$PWD/v ~/.local/bin/

v

#!/bin/bash

#! vi - launch last related-in-flow files in vi
function vi {
  if [[ -n $@ ]]; then
    command vi "$@"
  else
    if [[ -n ${_git_args[@]} ]]; then
      command vi "${_git_args[@]}"
    else
      v
    fi
  fi
}

#! locate-viminfo - return the path of viminfo that we cached
function locate-viminfo {
  local tmpfile=$(mktemp)
  local v_viminfo="${XDG_CACHE_HOME:-~/.cache}/v.viminfo"

  # our file is a symlink to the real viminfo
  if [[ -e $v_viminfo ]]; then
    echo "$v_viminfo"
    return 0
  fi

  # ask vim to tell us where the viminfo is
  for line in "redir! > $tmpfile" "set viminfo" "redir END" "quit"; do
    echo ":$line"
  done > "$tmpfile"
  command "${EDITOR:-vi}" \
    -v -R -m -M -n --noplugin -i NONE \
    -s "$tmpfile" /dev/null &>/dev/null

  # parse the viminfo part
  local viminfo=$(grep -oiP '(?<=,n).+' "$tmpfile")
  viminfo="${viminfo/~\//$HOME/}"
  rm -f "$tmpfile"

  if [[ ! -f $viminfo ]]; then
    echo >&2 "viminfo '$viminfo' missing or inaccessible?"
    return 1
  fi

  # cache the viminfo location
  ln -sf "$viminfo" "$v_viminfo"
  echo "$v_viminfo"
  return 0
}

#! v - select one of the recently edited files in vim
# A modern rewrite of https://github.com/rupa/v
function v {
  local viminfo=$(locate-viminfo)
  local files=()
  local v_hist_file=~/.cache/v.history
  local file
  local in_cwd=0
  local deleted=0

  local usage="$(basename ${FUNCNAME[0]}) [-a|-c] [terms]"
  while getopts achv opt; do
    case "$opt" in
      a) deleted=1;;
      c) in_cwd=1;;
      h) echo >&2 "$usage"; return 0;;
    esac
  done
  shift "$((OPTIND-1))"   # Discard the options and sentinel --

  # parse the viminfo for file locations
  while IFS=" " read -r line; do
    [[ ${line:0:1} = ">" ]] || continue
    file=${line:2}
    file="${file/~\//$HOME/}"

    if (( in_cwd == 1 )) && [[ $file != ${PWD}* ]]; then
      continue
    fi

    [[ $file = *@(COMMIT_EDITMSG|/dev/null)* ]] && continue

    if (( deleted == 1 )) || [[ -e $file ]]; then
      files+=( "$file" )
    fi
  done < "$viminfo"

  # display the fzf/bat selection/preview
  [[ ! -e $v_hist_file ]] && touch "$v_hist_file"
  file=$(
    printf '%s\n' "${files[@]}" |
      fzf --ansi --cycle --border=rounded --prompt='$ ' \
        --inline-info --header='Select file to edit, ctrl-e to select normally' --color=dark \
        --history=$v_hist_file --preview='bat -f {}'
  )

  if [[ -e $file ]]; then
    echo "$file" >> "$v_hist_file"
    command "${EDITOR:-vi}" "$file"
  fi
}

# delegate execution to our functions
"${0##*/}" "$@"