Grep multiple words in your git commit message history

git-grepwords

# Example use:  find commit messages that contain pattern1 and pattern2
# $ git grepwords pattern1 pattern2

# Ensure we have at least one param (a pattern)
[ -n "$1" ] || { echo "usage: $0 PATTERN..." >&2; exit 1; }

pattern=""

# Append all remaining patterns
while [ -n "$1" ]; do
  pattern="$pattern --grep=$1"
  shift
done

# Find the patterns in the files.
echo $pattern
git log -i --all-match $pattern