Add init command (#12)

* Add init command

This makes setting up the shell part of A'tuin much easier. Eval the
output of "atuin init".

* Update readme, add up binding

1 files changed, 54 insertions, 0 deletions

diff --git a/src/shell/atuin.zsh b/src/shell/atuin.zsh
new file mode 100644
index 00000000..a984428f
--- /dev/null
+++ b/src/shell/atuin.zsh
@@ -0,0 +1,54 @@
+# Source this in your ~/.zshrc
+export ATUIN_SESSION=$(atuin uuid)
+export ATUIN_HISTORY="atuin history list"
+export ATUIN_BINDKEYS="true"
+
+_atuin_preexec(){
+	id=$(atuin history start $1)
+	export ATUIN_HISTORY_ID="$id"
+}
+
+_atuin_precmd(){
+	local EXIT="$?"
+
+	[[ -z "${ATUIN_HISTORY_ID}" ]] && return
+
+	atuin history end $ATUIN_HISTORY_ID --exit $EXIT
+}
+
+_atuin_search(){
+	emulate -L zsh
+	zle -I
+
+	output=$(eval $ATUIN_HISTORY | fzf)
+
+	if [[ -n $output ]] ; then
+		BUFFER=$output
+	fi
+
+	zle reset-prompt
+}
+
+_atuin_up_search(){
+	emulate -L zsh
+	zle -I
+
+	output=$(eval $ATUIN_HISTORY | fzf --no-sort --tac)
+
+	if [[ -n $output ]] ; then
+		BUFFER=$output
+	fi
+
+	zle reset-prompt
+}
+
+add-zsh-hook preexec _atuin_preexec
+add-zsh-hook precmd _atuin_precmd
+
+zle -N _atuin_search_widget _atuin_search
+zle -N _atuin_up_search_widget _atuin_up_search
+
+if [[ $ATUIN_BINDKEYS == "true" ]]; then
+	bindkey '^r' _atuin_search_widget
+	bindkey '^[[A' _atuin_up_search_widget
+fi