Complete Git Guide: Understand and Master Git and GitHub - Exploring Git Objects with the git cat-file Command

The video tutorial covers the use of Git hash objects and the Git cat file command. It explains the significance of SHA-1 hashes in Git repositories and the improbability of hash collisions. The tutorial then delves into the Git cat file command, detailing its options for displaying object contents, types, and sizes. Practical demonstrations are provided, showing how to use the command in a terminal. The video also addresses handling errors when attempting to access non-existent objects. Finally, a summary of the command's capabilities is given, with a preview of the next lecture.

What is the probability of two different files having the same SHA-1 hash in a Git repository?

• Very low

• Impossible

• Moderate

• Very high

Which option of the Git cat-file command is used to print the contents of an object?

• -p

• -t

• -s

• -b

What does the '-t' option in the Git cat-file command display?

• Type of the object

• Size of the object

• Creation date of the object

• Contents of the object

In the practical example, what is the type of the object with the given SHA-1 hash?

• Tree

• Commit

• Annotated tag

• Blob

What is the size in bytes of the object retrieved in the practical example?

• 20 bytes

• 8 bytes

• 15 bytes

• 11 bytes

What error message is displayed when trying to access a non-existent object in Git?

• Access denied

• File not available

• Invalid object name

• Object not found

What can the Git cat-file command do regardless of the object's type?

• Move the object

• Read the contents of the object

• Modify the object

• Delete the object