__git_alias_statuses

#!/bin/bash
# git functions

__git_branch_info() {
    git for-each-ref --format="%(refname:short) %(upstream:short)" refs/heads | \
    while read local remote
    do
        [ -z "$remote" ] && continue
        git rev-list --left-right ${local}...${remote} -- 2>/dev/null >/tmp/git_upstream_status_delta || continue
        LEFT_AHEAD=$(grep -c '^<' /tmp/git_upstream_status_delta)
        RIGHT_AHEAD=$(grep -c '^>' /tmp/git_upstream_status_delta)
        echo -n "$local..$remote,"
        [ $LEFT_AHEAD != 0 ] && echo -n "[ahead $LEFT_AHEAD]"
        [ $RIGHT_AHEAD != 0 ] && echo -n "[behind $RIGHT_AHEAD]"
        echo
    done
}

output=$(__git_branch_info | column -t -s '..')
output=${output//["  "] /".."}
output=${output//[". "] /".."}
echo "$output" | column -t -s ','

git alias

statuses = "!f() { __git_alias_statuses; }; f"