List the short hash and your message summary for the previous 12 hours

gitlog

# Place this into your .bash_aliases and ensure you source the file
# To use, run `gitlog` to get the commits for the past 12 hours
# To get a different time range, run `gitlog 36` for the previous 36 hours

function gitlog() {
    if [ -z "$1" ]
    then
        HOURS=12
    else
        HOURS=$1
    fi

    # stdout for clear is ^[[H^[[2J
    # Capture method output and ignore
    NULL=`clear`;

    git log --reverse --author="`git config user.name`" --format="%h (%s)" --since="`date -v-${HOURS}H`"
}