Git Branches

git_branches.sh

#!/bin/bash

set -euo pipefail
MSYS_NO_PATHCONV=0

git clean -ffd
git reset --hard 2>/dev/null 1>/dev/null
git checkout dev

# git fsck && git prune && git gc
git for-each-ref --format='%(refname:short)' --sort=-committerdate refs/heads/ | while read -r branch; do 
    
    printf '%s' "$branch"
    
    printf '\t'
    
    printf "%s" "$(git log -1 --format=%cd | sed -E -e ':a' -e '/./,$!d;/^\n*$/{$d;N;};/\n$/ba')"
    
    git checkout "$branch" 2>/dev/null 1>/dev/null
    
    RESULT=$(git diff --quiet dev 2>/dev/null 1>/dev/null && echo true || echo false)
    printf '\t'
    
    if [ "$RESULT" == false ]; then
        RESULT=$(git merge --no-commit --no-ff dev 2>/dev/null 1>/dev/null && echo false || echo true)
        
        if [ "$RESULT" == true ]; then
            printf "conflict"
        else
            printf "merges"
        fi
        git reset --hard 2>/dev/null 1>/dev/null
    else
        printf "dev"
    fi

    printf '\t'
    RESULT=$(git rev-parse --abbrev-ref --symbolic-full-name '@{u}' 2>/dev/null 1>/dev/null && echo false || echo true)
    if [ "$RESULT" == false ]; then
        printf "upstream"
    else
        printf "local"
    fi

    # git rev-list --left-right "HEAD...origin/${branch}" -- 2>/dev/null >/tmp/git_upstream_status_delta || true
    # LEFT_AHEAD=$(grep -c '^<' /tmp/git_upstream_status_delta || echo 0)
    # RIGHT_AHEAD=$(grep -c '^>' /tmp/git_upstream_status_delta || echo 0)
    
    # printf '\t'
    # if [ "$LEFT_AHEAD" == "0" ]; then
    #     if [ "$RIGHT_AHEAD" == "0" ]; then
    #         printf "sync"
    #     else
    #         printf "behind"
    #     fi
    # else
    #     if [ "$RIGHT_AHEAD" == "0" ]; then
    #         printf "ahead"
    #     else
    #         printf "outofsync"
    #     fi
    # fi
    printf '\n'
    
done | column -ts $'\t'

git reset --hard 2>/dev/null 1>/dev/null
git checkout dev