(<branch> <branch tracking>|<local status>)

• Local Status Symbols
  • ✔: repository clean
  • ●n: there are n staged files
  • ✖n: there are n unmerged files
  • ✚n: there are n changed but unstaged files
  • …n: there are n untracked files
  • ⚑n: there are n stash entries
• Branch Tracking Symbols
  • ↑n: ahead of remote by n commits
  • ↓n: behind remote by n commits
  • ↓m↑n: branches diverged, other by m commits, yours by n commits
  • L: local branch, not remotely tracked
• Branch Symbol:
  When the branch name starts with a colon :, it means it's actually a hash, not a branch (although it should be pretty clear, unless you name your branches like hashes :-)

Reference: magicmonty/bash-git-prompt