Git useful commands

README.md

Searching for a text in all the history of the repo.

function grep_git_history() {
  local term="${@}"
  git grep -e "${term}" $(git log -S "${term}" --pretty=format:"%H")
}

grep_git_history 'var = 1'
grep_git_history '{% url'

Get all modified files on the last commit

git diff --name-only HEAD $(git merge-base HEAD HEAD^)

Useful for CI jobs to skip if files for an directory are not updated. For example to run tests just if there are commits in src/frontend

if [[ ! -z $(git diff --name-only HEAD $(git merge-base HEAD HEAD^) | grep src/frontend) ]]; 
then 
  npm install;
  npm run test;
fi