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The command to compare second last revision with latest revision is-Select one:None of thesegit diff HEAD HEAD~3git diff HEAD~3 HEAD~2git diff HEAD~2 HEAD

Question

The command to compare second last revision with latest revision is-Select one:

  • None of these
  • git diff HEAD HEAD~3
  • git diff HEAD~3 HEAD~2
  • git diff HEAD~2 HEAD
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Solution

To solve the question regarding the command to compare the second last revision with the latest revision in Git, let’s break down the options provided.

Break Down the Problem

  1. We need to determine which command correctly compares the second last revision with the latest revision.
  2. The terms "latest revision" and "second last revision" need to be identified in Git's terms.

Relevant Concepts

  • HEAD in Git refers to the latest commit.
  • HEAD~1 refers to the last commit before HEAD (the latest revision).
  • HEAD~2 refers to the second last commit.
  • HEAD~3 refers to the third last commit.

Analysis and Detail

  1. HEAD is the latest revision.
  2. HEAD~1 is the latest revision before HEAD, but we need to compare the second last revision (HEAD~2).
  3. The command needed to do this would be to compare HEAD with HEAD~2.

Evaluating the Options:

  1. git diff HEAD HEAD~3 – Compares latest revision with the third last revision - Not what we need.
  2. git diff HEAD~3 HEAD~2 – Compares the third last revision with the second last - Not what we need.
  3. git diff HEAD~2 HEAD – Compares the second last revision with the latest revision - Correct.
  4. None of these - Not applicable as we have a correct option.

Verify and Summarize

After analyzing the commands, git diff HEAD~2 HEAD is indeed the command needed to compare the second last revision with the latest revision.

Final Answer

The correct command to compare the second last revision with the latest revision is:
git diff HEAD~2 HEAD.

This problem has been solved

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