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10 Git Commands That 90% of Developers Don't Know Exist

#git #github #programming #beginners

You use git add, commit, push every day. But Git has hidden power tools that can save hours of debugging, undo catastrophic mistakes, and make your workflow 10× faster.

Here are 10 commands most developers never learn — but should.

1. git rebase -i HEAD~5 — Interactive Rebase

Squash messy commits, reorder history, or edit commit messages before pushing.

git rebase -i HEAD~5
# Opens editor with last 5 commits
# Change "pick" to "squash", "reword", "edit", or "drop"
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💡 Pro tip: Use fixup instead of squash to auto-discard the commit message.

2. git stash -p — Partial Stash

Stash only specific hunks, not everything. Perfect when you're mid-feature but need a quick fix.

git stash -p
# Git asks hunk by hunk: "Stash this hunk? [y,n,q,a,d,/,s,e,?]"
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💡 Pro tip: Press s to split a large hunk into smaller pieces.

3. git bisect — Binary Search for Bugs

Find the exact commit that introduced a bug in O(log n) steps.

git bisect start
git bisect bad              # Current commit is broken
git bisect good v1.0.0      # This tag was working
# Git checks out middle commit — test it, then:
git bisect good  # or  git bisect bad
# Repeat until Git finds the culprit
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💡 Pro tip: Automate with git bisect run npm test — Git runs your test suite on each step.

4. git reflog — Undo Anything

Accidentally deleted a branch? Force-pushed over your work? Reflog remembers everything.

git reflog
# Shows every HEAD movement with SHA
git checkout -b recovered abc1234
# Restore any "lost" commit
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💡 Pro tip: git reflog expire --expire=90.days.ago — entries last 90 days by default. You have time.

5. git cherry-pick — Grab Specific Commits

Pull one commit from another branch without merging everything.

git cherry-pick abc1234
# Applies that commit to current branch

git cherry-pick abc1234..def5678
# Pick a range of commits
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💡 Pro tip: Use -n (no-commit) to stage changes without committing — useful for combining multiple picks.

6. git worktree — Multiple Branches at Once

Work on two branches simultaneously without stashing or switching.

git worktree add ../hotfix-branch hotfix/urgent
# Creates a new working directory linked to the same repo
cd ../hotfix-branch
# Fix the bug here while your feature branch stays untouched
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💡 Pro tip: Each worktree shares the same .git — no extra clone, no extra disk space for objects.

7. git blame -L 10,20 file.js — Line-Range History

See who changed specific lines and when. Way more useful than blaming the whole file.

git blame -L 10,20 src/utils.js
# Shows author + commit for lines 10-20 only

git blame -L '/function calculate/,+10' src/utils.js
# Blame by regex pattern
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💡 Pro tip: Add -w to ignore whitespace changes — skip the "reformatting" commits.

8. git log --oneline --graph --all — Visual Branch Map

See your entire branch history as an ASCII tree.

git log --oneline --graph --all --decorate
# * abc1234 (HEAD -> main) Merge feature-x
# |\
# | * def5678 Add new feature
# |/
# * 789abcd Previous release
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💡 Pro tip: Create an alias: git config --global alias.lg "log --oneline --graph --all --decorate"

9. git diff --stat — Change Summary

Get a bird's-eye view of what changed without scrolling through diffs.

git diff --stat main..feature
#  src/api.js    | 45 ++++++++++-----
#  src/utils.js  |  8 ++--
#  tests/api.test.js | 32 ++++++++++++
#  3 files changed, 62 insertions(+), 23 deletions(-)
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💡 Pro tip: Combine with --shortstat for just the summary line. Perfect for PR descriptions.

10. git shortlog -sn — Contributor Leaderboard

See who contributed most commits. Great for open-source insights.

git shortlog -sn --no-merges
#    142  Alice
#     87  Bob
#     45  Charlie

git shortlog -sn --since="2024-01-01"
# Filter by date range
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💡 Pro tip: Add --email to group by email instead of name (catches duplicate accounts).

Want the Complete Reference?

These 10 commands are just the surface. The full Git & GitHub Cheat Sheet covers:

  • Advanced rebasing patterns (split commits, rebase onto)
  • GitHub-specific shortcuts (gh CLI, code review workflows)
  • Git hooks for automated linting, testing, commit formatting
  • Conflict resolution strategies with visual examples
  • Submodules & subtrees explained simply
  • CI/CD integration patterns

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