There are many reasons often cited for why continuous integration is necessary, but none are so important, so essential, as trust.
Let me elucidate; veteran developer Robert “Uncle Bob” Martin says that one of the core failings in modern software development is the breakdown in trust between developers and the rest of the business — a breakdown in trust caused by software developers promising deadlines they can’t deliver on.
Everything starts out fine, with management asking the developers for the amount of time it will take to implement a feature. The developers provide an answer, and management takes them at their word.
Inevitably, one of two situations results: the deadline goes by yet the feature isn’t finished, or the feature is implemented on time, but it’s either faulty, creates new bugs, or both.
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