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Every developer runs git pull multiple times a day. But ask someone what it actually does under the hood, and you’ll get a vague answer about “getting the latest code.” That’s only half the story.
Understanding what git pull does matters because it combines two distinct operations, fetch and merge, into a single command. Getting that wrong leads to merge conflicts, lost work, or a messy commit history that nobody wants to untangle on a Friday afternoon.
This article breaks down how git pull works step by step, how it compares to git fetch and git pull --rebase, common errors you’ll hit (and how to fix them), configuration options that change its default behavior, and when you should skip it entirely.
What Is Git Pull
Git pull is a command that downloads changes from a remote repository and immediately merges them into your current local branch. That’s the short version.
Under the hood, it runs two separate operations in sequence: git fetch followed by git merge. The fetch grabs new commits from the remote. The merge integrates those commits into whatever branch you have checked out.
Most developers type git pull without arguments. When you do that, Git looks at your branch’s tracking configuration to figure out which remote and which branch to pull from. Usually that’s origin/main or origin/master, depending on your setup.
Hutte research shows 75% of developers run git fetch or git pull at least once per day. It’s easily one of the most frequently used Git commands in any team workflow.
The output you see in the terminal after running it will vary. If everything goes smoothly, Git lists the files that changed and how many insertions or deletions occurred. If there’s a conflict, it stops and tells you which files need manual attention.
Git adoption has gone from 87.1% in 2016 to 93.87% in 2025, according to Command Linux data from the Stack Overflow Developer Survey. So if you’re writing code professionally, you’re almost certainly using this command regularly.
How Git Pull Works Step by Step
Knowing what git pull does and knowing how it does it are two different things. The command looks simple. What happens behind the scenes is worth understanding, especially when something breaks.
The Fetch Phase
What happens: Git contacts the remote repository (usually hosted on GitHub, GitLab, or Bitbucket) and downloads any new commits, branches, and tags that exist there but not in your local copy.
These changes go into your remote-tracking branches. So if you’re pulling from origin, your local origin/main reference gets updated to reflect the latest state of the remote repository.
Your working files don’t change yet. Your local branch stays exactly where it was. The fetch phase is read-only from your local perspective.
The Merge Phase
Once the fetch is done, Git runs git merge to combine the fetched changes with your current branch.
If nobody else changed anything since your last pull, Git does a fast-forward merge. It just moves your branch pointer forward to match the remote. No merge commit gets created. Clean and simple.
If both you and someone else have made commits since the last sync, Git performs a three-way merge. It finds the common ancestor commit, compares both sets of changes, and creates a new merge commit that combines them.
And if both sides touched the same lines in the same file? That’s when you get merge conflicts. Git can’t decide which version to keep, so it flags the file and waits for you to fix it manually.
Hutte data indicates that nearly 90% of developers have faced merge conflicts at some point. It’s not a question of “if” but “when.”
Git Pull vs Git Fetch
This is the confusion that trips up nearly every beginner. And honestly, some mid-level developers still mix these up.
| Aspect | Git Pull | Git Fetch |
|---|---|---|
| Downloads changes | Yes | Yes |
| Modifies working files | Yes (merges automatically) | No |
| Creates merge commits | Can, if histories diverge | Never |
| Risk level | Higher (immediate integration) | Lower (review first) |
Git fetch only downloads. It updates your remote-tracking branches but leaves your working directory and current branch completely untouched. You can review what changed, run git log origin/main, check the diff, and then decide whether to merge.
Git pull does both steps in one shot. Convenient? Absolutely. But you lose the ability to inspect changes before they land in your branch.
When fetch-first makes more sense:
- You’re working on a shared branch with lots of activity
- You want to review incoming changes before integrating
- Your local branch has experimental work you’re not ready to merge with
Hutte research shows about 70% of developers run git fetch daily to keep their local repos current with remote changes, even when they don’t immediately merge.
Some teams enforce a “fetch then review then merge” policy as part of their code review process. It adds a step, but it also catches surprises before they hit your working code.
Git Pull vs Git Pull –rebase
Here’s where things get opinionated. Ask five developers whether to use git pull or git pull --rebase and you’ll get six answers.
The default git pull creates a merge commit when your local branch and the remote branch have diverged. That merge commit records the point where two lines of development came together. It preserves the full history of what happened and when.
git pull --rebase does something different. Instead of merging, it takes your local commits, temporarily sets them aside, pulls in the remote changes, and then replays your commits on top. The result is a straight-line commit history with no merge commit at all.
Which Produces Cleaner History
Rebase: Gives you a linear, easy-to-read log. Great for solo work, small teams, or open-source projects where a tidy commit history matters.
Merge: Keeps the true record of parallel development. Better for larger teams or enterprise settings where auditability matters more than aesthetics.
According to Atlassian’s Git documentation, git rebase should never be used on public branches that other people are working from. Rebasing rewrites commit history, and that can force teammates into painful reset situations.
Setting Rebase as Default
If you prefer rebasing, you don’t have to type --rebase every single time. Run this once:
git config --global pull.rebase true
That sets rebase as the default behavior for all your pulls across every repository on your machine. You can also set it per-repo through git config without the --global flag.
Took me a while to realize how much cleaner my local history got after switching to rebase by default. Your mileage may vary, but it’s worth trying for a week.
Common Git Pull Errors and How to Fix Them
Running git pull usually works fine. Until it doesn’t. Developers spend, on average, 10% of their Git time resolving merge conflicts, according to Hutte research. The rest of the common errors are less about Git being broken and more about local state getting messy.
Merge Conflicts During a Pull
This is the big one. You pull, and Git tells you it can’t automatically merge certain files because both you and the remote changed the same lines.
What the conflict markers look like inside the file:
“ <<<<<<< HEAD your local changes ======= incoming remote changes >>>>>>> origin/main `
Fix it: Open the file, pick the correct code (or combine both), remove the markers, then run git add and git commit. Or use a merge tool built into your IDE. IntelliJ, for example, has a conflict resolution tool that handles most cases automatically.
A study of 2,731 GitHub Java projects found that roughly 19% of all merge operations produced conflicts. Not a rare event.
To learn the full process, check out how to resolve merge conflicts in Git.
Local Changes Blocking a Pull
You’ll see this error: “Your local changes would be overwritten by merge.”
Git refuses to pull because you have uncommitted modifications in files that the incoming changes also touch. It’s protecting you from losing work.
Three ways to handle it:
- Stash first: Run git stash
, thengit pull, thengit stash popto reapply your changes. Learn more about what git stash does and when to use it.
- Commit first: If your changes are ready, commit them before pulling.
- Reset: If you don’t care about the local changes, git checkout — .
will discard them. Use carefully.
Other Common Errors
“Refusing to merge unrelated histories” shows up when two repositories that share no common ancestor try to merge. This sometimes happens after a fresh git init followed by adding a remote. Fix it with git pull origin main –allow-unrelated-histories.
Divergent branch warnings started appearing in Git 2.27 and later. Git now asks you to specify how you want to reconcile divergent branches. Set your preference with git config pull.rebase false (for merge) or true (for rebase) and the warning goes away.
Authentication failures are a different category entirely. If you’re using HTTPS and your credentials expired, or your SSH key isn’t configured properly, the pull fails before it even starts. The fix depends on your setup. GitHub users can check how to add an SSH key to GitHub if that’s the issue.
Git Pull with Specific Remote and Branch Arguments
Most of the time, typing git pull with no arguments works because Git knows which remote and branch to use based on your tracking configuration. But not every situation is that straightforward.
Pulling from a Specific Remote and Branch
The full syntax is git pull .
So git pull origin feature-login fetches the feature-login branch from the origin remote and merges it into whatever branch you currently have checked out.
This overrides the default tracking branch entirely. Useful when you need to grab changes from a branch you don’t normally track.
Working with Multiple Remotes
Fork-based workflows are everywhere in open-source software development. You typically have two remotes configured:
- origin points to your personal fork
- upstream points to the original project repository
To pull the latest changes from the original project into your local branch, run git pull upstream main. Understanding what upstream means in Git clears up a lot of confusion around this setup.
GitHub’s Octoverse 2025 report shows the platform hit over 180 million developers, with monthly pull request merges averaging 43.2 million. A huge chunk of that activity involves pulling from multiple remotes in fork-based or collaborative workflows.
Pulling a Branch That Doesn’t Exist Locally
If someone on your team created a new branch on the remote and you want to work on it, git pull alone won't do it.
First, run git fetch to update your remote-tracking branches. Then switch to the branch with git checkout -b feature-x origin/feature-x. That creates a local copy tracking the remote branch.
In Git 2.23+, you can also use git switch -c feature-x origin/feature-x for the same result with clearer syntax.
Git Pull in Team Workflows
Git pull isn’t just a command you run alone at your desk. It’s the sync mechanism that keeps entire teams from stepping on each other’s code.
Hutte research shows 85% of collaborative projects use pull or merge requests in their workflow. The pull command sits at the center of nearly all of them.
Pull Before Push
The rule: Always pull before you push.
If you try to push your commits without first pulling the latest remote changes, Git will reject the push when the remote branch has moved ahead. You’ll see a “non-fast-forward” error.
The fix is straightforward. Run git pull, resolve any conflicts if they pop up, then push again. Hutte data shows developers make an average of 7 commits before a push, so pulling first prevents a pileup of integration issues.
Keeping Feature Branches Updated
Working on a feature branch for days or weeks without pulling from main is a recipe for painful merges later. The longer your branch diverges, the worse the conflicts get.
| Pull Frequency | Conflict Risk | Best For |
|---|---|---|
| Multiple times daily | Low | Active shared branches |
| Once daily | Moderate | Feature branches, small teams |
| Weekly or less | High | Long-lived branches (not recommended) |
Most teams pull main into their feature branch regularly. Either git pull origin main while on the feature branch, or git fetch followed by git merge origin/main.
GitHub’s Octoverse 2025 report recorded developers pushing nearly 1 billion commits in a single year, up 25% from the prior year. That volume of parallel work only stays manageable when people pull frequently.
How CI/CD Pipelines Use Git Pull
Automated build pipelines run git fetch (or a shallow clone) rather than git pull during automated builds. The reason? Pipelines need to check out a specific commit, not merge anything into a working branch.
CoinLaw data shows GitHub Actions runs over 5 million workflows daily, up 40% year-over-year. Each of those workflows starts with a checkout step that fetches repository code at a specific ref.
The Linux kernel project, the longest-running Git repository in existence, recorded 75,314 commits in 2024 according to Command Linux research. Corporate developers account for 84.3% of kernel commits, and almost all of that integration happens through scripted fetch and merge operations, not manual git pull.
Git Pull Configuration Options
The default behavior of git pull isn't set in stone. You can change how it works through source control configuration settings that apply globally or per repository.
pull.rebase
What it does: Controls whether git pull uses rebase instead of merge.
- false
(default) - pull uses merge
- true
- pull uses rebase
- merges
- pull uses rebase but preserves local merge commits
Set it globally: git config –global pull.rebase true
Hutte research indicates 65% of developers still prefer using Git through the command line over a graphical interface. If that’s you, setting this option once saves a lot of –rebase flag typing.
pull.ff
Fast-forward settings:
only: The pull will only succeed if a fast-forward merge is possible. If histories have diverged, Git refuses to merge and tells you to handle it yourself.
true: Git fast-forwards when it can, creates a merge commit when it can’t. This is the default.
false: Git always creates a merge commit, even when fast-forward is possible. Some teams prefer this for an explicit record of every integration point.
Set it with: git config –global pull.ff only
Branch Tracking Configuration
When git pull runs without arguments, it checks your current branch's tracking setup to know where to pull from.
If your branch isn’t tracking a remote, you’ll see: “There is no tracking information for the current branch.”
Fix it: git branch –set-upstream-to=origin/main
This links your local branch to a specific remote branch. After that, plain git pull knows exactly what to do. You can also set this when creating a new branch with git checkout -b feature origin/feature, which automatically configures tracking.
When Not to Use Git Pull
Git pull is convenient. It is not always the right tool.
Knowing when to skip it and reach for something else is what separates someone who uses Git from someone who actually understands version control.
Shared Branches with Heavy Activity
On branches where multiple people commit frequently, blind pulling can introduce unexpected merge commits or conflicts into your local work without warning.
Better approach: Run git fetch first. Check git log origin/main..HEAD to see what's different. Then decide whether to merge, rebase, or wait.
Hutte data shows 92% of projects using Git enforce code review before merging changes. Pulling without reviewing first goes against that same principle of “look before you integrate.”
When Your Local Branch Has Experimental Work
If you’ve been trying things out, with half-finished features or commits you might want to throw away, pulling remote changes into that mess makes things harder to untangle.
Options that work better here:
- Stash your work, pull, then reapply
- Use git fetch
and review before doing anything
- Create a clean branch from the remote and cherry-pick what you need
In Scripts and Automation
Automated systems should never run git pull. That includes continuous integration pipelines, deployment scripts, and build automation tools.
The reason is predictability. git pull can trigger merge conflicts that need human input. A script can't resolve those.
Use instead:
| Scenario | Better Command |
|---|---|
| CI/CD checkout | git fetch + git checkout |
| Deployment sync | git fetch origin + git reset --hard origin/main |
| Update all remotes | git remote update |
| Review then decide | git fetch + manual git merge or git rebase |
ElectroIQ data shows GitHub Actions reduced deployment times by an average of 30%. That efficiency comes partly from using explicit git fetch and checkout operations rather than the ambiguous behavior of git pull.
The Git workflow your team follows should dictate which commands you use and when. A good rule from Git Tower’s documentation: fetch often, pull only when you’re ready to merge.
FAQ on What Does Git Pull Do
Does git pull overwrite local changes?
No. Git pull refuses to run if you have uncommitted changes in files that conflict with incoming updates. You’ll need to commit or stash your work first. Git protects your local modifications by default.
What is the difference between git pull and git fetch?
Git fetch downloads changes from the remote repository without modifying your working files. Git pull runs fetch and then immediately merges those changes into your current branch. Fetch is safer for reviewing before integrating.
Is git pull the same as git merge?
Not exactly. Git pull combines git fetch and git merge into one command. Running git merge alone only works with changes already downloaded to your local repository.
How often should I run git pull?
At least once daily on active projects. On busy shared branches, pulling multiple times per day reduces conflict risk. Always pull before pushing to avoid rejected updates from the remote.
What does git pull origin main mean?
It fetches changes from the main branch on the remote called “origin” and merges them into your currently checked-out local branch. Origin is the default name Git assigns to your primary remote.
Can git pull cause merge conflicts?
Yes. If both you and another developer changed the same lines in the same file, Git can’t auto-merge them. You’ll need to open the conflicting files, pick the correct code, and commit the resolution manually.
What is git pull –rebase?
Instead of creating a merge commit, git pull –rebase replays your local commits on top of the fetched changes. This produces a linear commit history without extra merge commits cluttering your log.
Does git pull update all branches?
No. Git pull only updates the branch you currently have checked out. To update other branches, you need to switch to each one and pull separately, or use git fetch –all.
Why does git pull say “already up to date”?
This means your local branch already contains every commit that exists on the remote tracking branch. No new changes were found to download or merge. Your codebase is current.
Can I undo a git pull?
Yes. Run git reflog to find the commit hash before the pull, then use git reset –hard to go back. This discards all changes the pull introduced to your local branch.
Conclusion
Knowing what git pull does gives you control over how your local branch stays in sync with a remote repository. It’s not complicated once you see the two-step process clearly: fetch, then merge.
The real skill is knowing when to use it and when to reach for git fetch` instead. Pulling works great for daily development on feature branches. Automated pipelines and high-traffic shared branches call for more explicit commands.
Configure your pull.rebase and pull.ff settings once. That alone cleans up your workflow more than you’d expect.
Whether you’re working in Visual Studio Code, a terminal on macOS, or Git Bash on Windows, the command behaves the same way. Pull frequently, resolve conflicts early, and always check your tracking branch configuration.
The distributed source control model that Git introduced depends on developers pulling and pushing reliably. Get that right, and the rest of your branch management gets a lot easier.
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