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Exercise 1 Solution

The Arduino repository is at https://github.com/arduino/Arduino.

  1. Does the repository display README information below the list of files? If so, what format is it written in, Markdown (.md) or Asciidoc (.asciidoc)?

    In the list of files one can see README.md, so yes, the repository has a README, and it is in Markdown format.

  2. Go to the README file and show its history. When was the last change in 2014?

    Click on README.md and then press the “History” button. The last change in 2014 was committed on March 24, 2014.

  3. Show the “blame” history for the README file. Who last modified line 20, and when?

    Click on the “Blame” button. Line 20 was last modified in commit 128678c by cmaglie (Cristian Maglie) on October 23, 2013._

  4. What is the latest release of the Arduino repository, and when was it released?

    From the main repository page, click the “releases” link. The latest release is version 1.6.6, released on Nov 3, 2015.

  5. What license does the Arduino project use?

    By viewing the license.txt file, you can see that it uses the “Gnu General Public License, version 2” as the license.

  6. Go to the file arduino-core/src/cc/arduino/Compiler.java. What line was changed on October 26, 2015?

    Go to that file, click History, then click the commit ID for that date, d8d70ee. The added line, highlighted in green, is line 358.