Etsy has a religion, it’s the Church of Graphs. If it moves, we track it. Sometimes we’ll draw a graph of something that isn’t moving yet, just in case it decides to make a run for it…Tracking everything the issue 2. Focus on dynamically registered & discovered supporting tools rather than static 3. Graph business metrics with infrastructure metrics to provide deeper context iv. Overlaying other relevant

提交时，HEAD都会自动指向最新的提交。 首次创建分支前，得先进行一次提交，否则git无法创建分支（因为分支是基于 提交去创建的）。 # git log --decorate --graph --all #查看整个项目的分支图 # git branch #查看分支列表，默认只有一个分支，分支名默认为 master