快速提升：程序员晋升指南与项目自动化实战

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"《程序员修炼三部曲：项目自动化之道——Pragmatic Pro》是一本专为希望从初级程序员晋升为高级软件工程师的读者设计的实用指南。该书以其作者Mike Clark的独特风格——清晰、简洁且富有乐趣，引导读者探索项目自动化的新境界。书中提到的CruiseControl RSS发布器已经成为了许多项目实践中的关键工具，而书中分享的更多宝贵技巧正逐渐融入读者的工作日常。书中的亮点包括Lava Lamps和Groovy等前沿技术的介绍，被赞誉为“最酷”的软件书籍之一。评论者Erik Hatcher，作为《Java Development with Ant and Lucene in Action》的合著者，高度评价了《Pragmatic Project Automation》，认为自动化是优秀软件工程的重要组成部分，好的系统天生就适合自动化，并强调自动化能帮助我们构建出更优秀的系统。 Glenn Vanderburg赞赏这本书既有趣又实用，它汇集了一系列巧妙的技巧，让读者能够运用日常工具实现惊人的效果。而James Duncan Davidson，Ant的创造者，更是明确指出，节省时间就是节省金钱，这本书提供了有效的时间管理策略，教你如何在提升效率的同时，间接实现经济上的收益。总而言之，《程序员修炼三部曲：项目自动化之道》不仅提供了一套系统的学习路径，帮助程序员提升技能，而且强调了自动化在现代软件开发中的核心地位，以及如何通过自动化提高工作效率和质量。无论你是刚入行的开发者还是寻求进一步提升的专业人士，这本书都是不可多得的参考资料和实践指导。"

LOOK MA, NO HANDS! 2

But it’s 2004, and a cool product name and a web site just

don’t cut it. These days you actually have to demonstrate

working software to loosen the VC purse strings. Speaking of

which, Fred is in charge of preparing a demo for the venture

capitalists tomorrow at noon. There’s just one problem: By

that time tomorrow Fred will be a few state lines away from

the ofﬁce. In fact, his RV is out in th e parking lot right now,

gassed up for a trip to the yearly family reunion in K ansas.

Just as soon as he adds this last feature, Fred and his family

will hit the road.

It Works on My Machine

Fred can already taste the barbecue sauce as he ﬁnishes up

the last bit of code. He presses t he Compile button on his

favorite IDE. No errors. Then he runs all his local unit tests,

and they pass. So far, so good. Now for the grand ﬁnale. Fred

checks out t he latest version of the rest of the project from the

version control system to set up for an integr ation test. Then

he touches off a build by running th e project’s build script.

WooHoo! The build succeeded. Fred is reminded once again

that he’s the world’s greatest programmer. So he commits

his changes, grabs his lunch pail, and races for the elevator.

In the morning, all his team needs to do to deploy the demo

is run the deployment script. They may even have time for

a game of foosball before the ventur e capitalists show up at

noon. Life is good as Fred, the missus, and all the rugrats

crawl into the Winnebago and drive out of town.

Somewhere Out on I-70...

Fred has the pedal to the metal as the RV lumbers down I-70

in the dead of night. Just as t he kids have dozed off, Fred

is startled back into reality by a beep of his cell phone. It ’s

a text message sent from the scheduled build process on the

build machine back at the ofﬁce, hundreds of miles in Fred’s

rearview mirror. When it woke up and tried t o run a build, it

failed. Fred grimaces as he reads the err or message. In his

haste he forgot to check in a new source ﬁle.

Prepared exclusively for Randi Macbride

LOOK MA, NO HANDS! 3

Fred leaves a voice mail for his faithful teammate Barney, let-

ting him know that he’ll n eed to check i n the ﬁle before the

demo. And then Fred g oes back to counting mile markers.

The Next Morning

Barney strolls into the ofﬁce a tad late the next morning. The

whole team had worked hard preparing for t he demo all week,

so last night they celebrated by downing some brews at the

bowling lanes. Checking voice mail is the last thing on what’s

left of Bar ney’s mind. He’ll return phone calls after the demo.

But he can’t help but notice the boiling red bubbles in one of

the Lava Lamps that the team uses to indicate the build sta-

tus.

Oh no! The scheduled build has failed. When they left

work last night, the green lamp was bubbling. “What could

have happened?” Barney wonders as he checks the build sta-

tus web page. It tells him that since the last successful build,

one person has checked in code...Fred! The error message

says he forgot to check in a ﬁle.

Back on Solid Ground

Perhaps it’s time for Barney to check voice mail. He listens as

Fred sheepishly explains that a local ﬁle on his machine needs

to be checked in for the build to work. Having checked in the

missing ﬁle, Barney wants some conﬁdence that everyth ing

is in place for the demo. So he forces an independent build

on the build machine. He also cranks up the frequency of

scheduled builds so that Fred can’t get so far away next ti me

before ﬁnding out the build failed.

Everything compiles, and the tests pass on the build machine.

Barney then runs a script that automatically creates a release

branch containing the current versions of all ﬁles in version

control, builds and tests the release branch, creates a distri-

bution ﬁle, and deploys it into t he demo web server.

After running t he deployment script, Barney clicks through a

few pages of the demo to make sure it looks right. Then he

takes an early lunch before folks show up for the demo.

Don’t worry, y ou’l l learn how to light up y our own Lava Lamps in Sec-

tion

6.2, Getting Feed back from Visual Devices, on page 128.

Prepared exclusively for Randi Macbride

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