We could use git show with the revision parameter set as follows: git show 95ae37c. Those labels could be branch names (which are moving labels that point to branch tip commits), tags (which point to specific commits), or other refs like HEAD. It could even be a label that points to one of the aforementioned id types. It could be a commit id, blob id, or a tree id. This means that we can supply the command with the id of any SHA-1 identifier stored in Git's database. When they do, they are referred to as revision parameters. Some Git commands, including git show can take any of these ids as arguments. Git generates these ids by compressing the content that makes up your changes and then hashing it with a SHA-1 hashing algorithm. You are probably most familiar with the commit ids listed when running the git log command. In Git, commits and other objects such as blobs and trees can be referenced based on their unique ids. Git show Revision Parameters | Blobs, Trees, Commits, Tags This can be useful when you want a git diff output in addition to the commit info supplied by git log. It tells us the commit details of the HEAD commit, along with a textual diff of the changes included in that commit. The output provides a combined diff format. Here is an example of the default output when running the git show command: > git showĬommit 95ae37c781422885846a38535fde3bc19aa6659d (HEAD -> master)ĭiff -git a/dir1/dir1file1.ext b/dir1/dir1file1.extĪs mentioned, this is equivalent to running git show HEAD. You can think of a branch as a label that points to a particular commit that signifies the tip of that branch. Remember, a branch is just a named reference to a commit. Therefore, if you run git show on its own (with no specified), you will be querying the last commit on the current branch. Git HEAD usually references the most recent commit on the active branch, except in the case of a detached head state. We'll discuss some neat options later in the article. The basic syntax for git show is as follows: git show Now let's discuss the usage and output in more detail. This can be a very useful tool in your Git workflow. Tags: Displays same thing as it does in (3) for commits, since a git tag is just a label for a commit.Įach of these Git object types can be queried using git show.Commits: Displays the commit information much as you'd see in Git log, plus a textual diff of the changes in that commit.Trees: Displays shows the filename and directory names stored within the tree file.Blobs: Displays the plain contents stored in the blob file. The git show command is used to display the contents of any of these four object types: Git stores these objects in its object database, which is located inside the hidden. The git show command is a powerful tool that allows developers to display the contents of Git objects within a Git repository.Īs you add and commit your code changes, Git tracks these changes using four main types of Git objects: Blobs, Trees, Commits, and Tags. What is the Difference Between Git Log and Git Show?.Git show Revision Parameters | Blobs, Trees, Commits, Tags.
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