cache-node_modules git hook

post-checkout

#!/usr/bin/env bash

echo "[cache-node_modules] START"

CURRENT_DIR_NAME=`basename $(pwd)`

BRANCH_FROM=`git reflog show -q | head -n1 | awk '$3 == "checkout:" && $4 == "moving" {print $6}'`
BRANCH_TO=`git reflog show -q | head -n1 | awk '$3 == "checkout:" && $4 == "moving" {print $8}'`
BRANCH_FROM_CACHE_NAME="/Library/Caches/${CURRENT_DIR_NAME}_${BRANCH_FROM}_node_modules"
BRANCH_TO_CACHE_NAME="/Library/Caches/${CURRENT_DIR_NAME}_${BRANCH_TO}_node_modules"

if [ -d "node_modules" ]; then
	echo "[cache-node_modules] Cache node_modules to ${BRANCH_FROM_CACHE_NAME}"
	mv node_modules ${BRANCH_FROM_CACHE_NAME}
fi

if [ -d "${BRANCH_TO_CACHE_NAME}" ]; then
	echo "[cache-node_modules] Restore node_modules from cache."
	mv ${BRANCH_TO_CACHE_NAME} node_modules
fi

echo "[cache-node_modules] Refresh node_modules"
yarn

echo "[cache-node_modules] DONE"