This is a new command for [gg-core](https://github.com/fidian/gg-core), the tech behind [gg](https://github.com/fidian/gg). This adds the ability to print the current branch for all projects.

gg-core-branch-command.sh

#!/usr/bin/env bash

commandAdd branch cmdBranch

cmdBranchHelp() {
    cat <<EOF
   branch          Shows which branch each repository is on.
EOF
}


# Get the current branch of the project.
cmdBranch() {
    projectForEach cmdBranchEach
}


# Called for each project.  Shows which branch each repository is on.
#
# $1 - Project identifier.
#
# Always returns true.  Can never fail.
cmdBranchEach() {
    local path branchResult

    path="$(getProjectConfig "$1" path)"

    if [[ -z "$path" ]]; then
        status "$1: No path set."

        return 0
    fi

    if [[ ! -d "$path" ]]; then
        status "$1: Not checked out."

        return 0
    fi

    branchResult=$(cd "$path" ; git branch | grep \* | cut -d ' ' -f2)

    if echo "$branchResult" | grep -q "^nothing to commit, working directory clean$"; then
        status "$1: clean"
    else
        status "$1: dirty"
        echo "$branchResult"
    fi
}