ohmyzsh/plugins/history-substring-search/history-substring-search.plugin.zsh

# Handle $0 according to the standard:
# https://zdharma-continuum.github.io/Zsh-100-Commits-Club/Zsh-Plugin-Standard.html
0="${${ZERO:-${0:#$ZSH_ARGZERO}}:-${(%):-%N}}"
0="${${(M)0:#/*}:-$PWD/$0}"

source ${0:A:h}/history-substring-search.zsh


# Bind terminal-specific up and down keys

if [[ -n "$terminfo[kcuu1]" ]]; then
  bindkey -M emacs "$terminfo[kcuu1]" history-substring-search-up
  bindkey -M viins "$terminfo[kcuu1]" history-substring-search-up
fi
if [[ -n "$terminfo[kcud1]" ]]; then
  bindkey -M emacs "$terminfo[kcud1]" history-substring-search-down
  bindkey -M viins "$terminfo[kcud1]" history-substring-search-down
fi