unixorn/git-extra-commands

#!/usr/bin/env bash
#
# Original source: https://github.com/mislav/dotfiles/blob/master/bin/git-branches-that-touch
#
# Usage: git branches-that-touch <path>
#
# Searches:
# - branches that touch files under `<path>`,
# - that are remote and unmerged,
# - whose latest commit falls within the past 6 months,
# - whose name doesn't start with "enterprise-".
set -e

age_treshold="$(date -v-6m +%s)"
base="origin/$(git origin-head)"

trap 'echo processing $branch >&2' INFO

for branch in $(git branch -r --no-merged "$base"); do
  name="${branch#*/}"
  [[ $name != enterprise-* ]] || continue

  touched="$(git log -1 --format=%cd --date=raw "$branch" | awk '{print $1}')"
  [ "$touched" -gt "$age_treshold" ] || continue

  if git diff "${base}...${branch}" --name-only | grep -q "$1"; then
    echo -n "${branch} by "
    git log "${base}..${branch}" --first-parent --format=%an | sort | uniq -c | sort -rn | head -1
  fi
done