git log for scrum across multiple repos

git-scrum.sh

#!/usr/bin/env bash
SCRUM_TIME=${SCRUM_TIME-"08:45:00"}
BEFORE_DAY=${BEFORE_DAY-$(date +%Y-%m-%d)}
BEFORE_TIME=${BEFORE_TIME-$SCRUM_TIME}
AFTER_DAY=${AFTER_DAY-$(python -c "from datetime import datetime, timedelta; before = datetime.strptime('$BEFORE_DAY','%Y-%m-%d').date(); monday = before.strftime('%u') == '1'; days = -3 if monday else -1; after = before + timedelta(days=days); print after;")}
AFTER_TIME=${AFTER_TIME-$BEFORE_TIME}
TZ_OFFSET=$(date +%z)
AFTER="${AFTER_DAY}T${AFTER_TIME}${TZ_OFFSET}"
BEFORE="${BEFORE_DAY}T${BEFORE_TIME}${TZ_OFFSET}"
DIR="${DIR-$PWD}"
MAX_DEPTH=${MAX_DEPTH-2}

echo Commits after $AFTER and before $BEFORE:

for repo in $(find "$DIR" -type d -name .git -maxdepth $MAX_DEPTH); do
  BACK="$DIR"
  cd "$repo/.."
  ORIG_BRANCH="$(git branch | grep '*' | awk '{print $2;}')"
  if [ -n "$(git status -s)" ]; then
    UNSTASH=1
    git stash &>/dev/null
  fi
  for branch in $(git branch | sed 's/*//'); do
    git checkout $branch &>/dev/null
    LOG="$(git log --author="$(git config user.name)" --after="$AFTER" --before="$BEFORE" --no-merges --pretty=format:'%C(yellow)%h %ai %Cred%d %Creset%s%Cblue [%cn]%Creset' --decorate)"
    if [ -n "$LOG" ]; then
      echo "$PWD:$branch"
      echo "$LOG"
    fi
  done
  git checkout $ORIG_BRANCH &>/dev/null
  if [ -n "$UNSTASH" ]; then
    git stash pop &>/dev/null
    UNSTASH=
    ORIG_BRANCH=
  fi
  cd "$BACK"
done