Kohei Nozaki's blog 

Environment

• Jenkins 1.551
• git version 1.8.3.4 (Apple Git-47)
• OS X 10.9.1

Try using curl

• In this setup, there is no authentication at Jenkins.

curl -X POST http://localhost:18080/job/BuildAndTestHead/build

• Let's try with dump-header option.

kyle-no-MacBook:Jenkins kyle$ curl -D - -X POST http://localhost:18080/job/BuildAndTestHead/build
HTTP/1.1 201 Created
Location: http://localhost:18080/queue/item/4/
Content-Length: 0
Server: Jetty(8.y.z-SNAPSHOT)

kyle-no-MacBook:Jenkins kyle$ 

Configure a hook of repository

• Create a file named “post-commit” in .git/hooks directory.

kyle-no-MacBook:hooks kyle$ pwd
/Users/kyle/gits1/hellojenkins/.git/hooks
kyle-no-MacBook:hooks kyle$ ls -l
total 8
-rwxr-xr-x+ 1 kyle  staff  73  2 23 10:50 post-commit
kyle-no-MacBook:hooks kyle$ cat post-commit 
#!/bin/sh
curl -X POST http://localhost:18080/job/BuildAndTestHead/build
kyle-no-MacBook:hooks kyle$ 

• Now it runs automatically when we commit using git command from cli.

Remarks

• According to [3], It doesn't work when we commit with Eclipse.
• So, we might have to config Jenkins to poll the repository periodically.

References

1. Remote access API - Jenkins - Jenkins Wiki
2. gitリポジトリの仕込み方 - はこべブログ ♨
3. eclipse - EGit and post-commit hook - Stack Overflow