[Mac]HomebrewでJenkinsをインストール ref: https://qiita.com/hujuu/items/5bfc80c265ae7d162966

file0.sh

$ xcode-select —install

file1.sh

Downloading Command Line Tools (macOS Sierra version 10.12) for Xcode
Downloaded Command Line Tools (macOS Sierra version 10.12) for Xcode
Installing Command Line Tools (macOS Sierra version 10.12) for Xcode
Done with Command Line Tools (macOS Sierra version 10.12) for Xcode
Done.

file10.sh

$ brew cask install homebrew/cask-versions/java8

file11.txt

java -jar /usr/local/opt/jenkins/libexec/jenkins.war

file2.sh

$ brew doctor

file3.sh

Your system is ready to brew.

file3.txt

Please note that these warnings are just used to help the Homebrew maintainers
with debugging if you file an issue. If everything you use Homebrew for is
working fine: please don't worry and just ignore them. Thanks!

Warning: Unbrewed dylibs were found in /usr/local/lib.
If you didn't put them there on purpose they could cause problems when
building Homebrew formulae, and may need to be deleted.

Unexpected dylibs:
    /usr/local/lib/libecomlodr.dylib

file4.sh

$ rm -rf /usr/local/lib/libecomlodr.dylib

file4.txt

Please note that these warnings are just used to help the Homebrew maintainers
with debugging if you file an issue. If everything you use Homebrew for is
working fine: please don't worry and just ignore them. Thanks!

Warning: Unbrewed dylibs were found in /usr/local/lib.
If you didn't put them there on purpose they could cause problems when
building Homebrew formulae, and may need to be deleted.

Unexpected dylibs:
    /usr/local/lib/libecomlodr.dylib

file5.sh

$ rm -rf /usr/local/lib/libecomlodr.dylib

file5.txt

Warning: Your Homebrew is outdated.
You haven't updated for at least 24 hours. This is a long time in brewland!
To update Homebrew, run `brew update`.

file6.sh

$ brew update

file6.txt

Warning: Your Homebrew is outdated.
You haven't updated for at least 24 hours. This is a long time in brewland!
To update Homebrew, run `brew update`.

file7.sh

$ brew update

file8.sh

$ brew install jenkins

file8.txt

java -jar /usr/local/opt/jenkins/libexec/jenkins.war

file9.sh

$ brew install jenkins
jenkins: Java 1.8 is required to install this formula.
JavaRequirement unsatisfied!
You can install with Homebrew Cask:
 brew cask install homebrew/cask-versions/java8
You can download from:
 https://www.oracle.com/technetwork/java/javase/downloads/index.html
Error: An unsatisfied requirement failed this build.

file9.txt

java -jar /usr/local/opt/jenkins/libexec/jenkins.war