Git config file showcasing an advanced alias for lazily getting an author's commits for standup meetings.

.gitconfig

[alias]
  # Sample uses (defaults for Tues-Sat: from "yesterday AM" to "now", for Sun-Mon: from "last friday AM" to "now"):
	# $ git standup
	# $ git standup "last week"
	# $ git standup "3 days ago"
	# $ git standup "last monday" "last friday"
	# $ git standup --stat
	# $ git standup "last thursday AM" "last thursday PM" --pretty --date=short
	# For date formats: https://github.com/git/git/blob/master/date.c
	 standup = "!f() { : git log ; \
                if [ $# -gt 0 ] && [[ $1 != -* ]];\
                then\
                        SINCE="${1}";\
                        shift;\
                        if [ $# -gt 0 ] && [[ $1 != -* ]];\
                        then\
                                UNTIL="${1}";\
                                shift;\
                        fi;\
                else\
                        if [ $(date +%u) -lt 2 ];\
                        then\
                                SINCE="\"last friday AM\"";\
                        fi\
                fi;\
                SINCE="${SINCE:-yesterday AM}";\
                UNTIL="${UNTIL:-now}";\
                COMMITTER="$(git config user.name)";\
                git log --since "\"${SINCE}\"" --until "\"${UNTIL}\"" --committer="\"${COMMITTER}\"" --all --abbrev-commit --no-merges --date=local --oneline "\"$@\"";\
        }; f"