[Solved] You run git tag -a v2.0 but forget to specify a commit hash. What happens? — Ans: Tag v2.0 is created on the current HEAD commit | Git

Git - Tagging

You run git tag -a v2.0 but forget to specify a commit hash. What happens?

ATag v2.0 is created on the first commit

BError: commit hash required

CTag v2.0 is created on the current HEAD commit

DTag v2.0 is created but points to no commit

Step-by-Step Solution

Solution:

Step 1: Understand default commit for tagging
If no commit hash is given, Git tags the current HEAD commit by default.
Step 2: Analyze the command behavior
git tag -a v2.0 creates an annotated tag named v2.0 on the current commit checked out.
Final Answer:
Tag v2.0 is created on the current HEAD commit -> Option C
Quick Check:
Tag without commit = current HEAD [OK]

Quick Trick: Omit commit hash to tag current HEAD commit [OK]

Common Mistakes:

Master "Tagging" in Git

9 interactive learning modes - each teaches the same concept differently

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You run git tag -a v2.0 but forget to specify a commit hash. What happens?