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Andrei Montchik edited this page Sep 30, 2024 · 17 revisions

Install

  1. Create the source directory.
  2. sudo apt install git

Configure

  1. Update the Git configuration: 
    git config --global user.email "andrei@montchik.net";
git config --global user.name "Andrei Montchik";
git config --global pull.rebase false;
  2. Confirm that the config change was applied: git config --list

Clone

  1. Add the SSH pubkey to GitHub account: https://github.com/settings/keys
  2. Check SSH access: ``ssh -vT git@github.com`
  3. request to add your Git account as collaborator to GitHub repo
  4. Use SSH to clone GIT repos

Branch

  • Show remote branches: git branch -r
  • Create:
    • Create Local Branch: git checkout -b <new-branch-name>
    • Push to remote repo: git push --set-upstream origin <new-branch-name>
    • Branch from the commit: git checkout -b <new branch name> <commid id>
    • Check if remote branch exists: git branch -r | grep <branch name>
  • Remove:
    • Local: git branch -d <branch name>
    • Remote: git push origin --delete <brach name>

Cleanup

  • git remote prune origin Or git fetch origin --prune
  • Remove all untracked files: git clean -fdx

Diff

  • File names only: git diff --name-only release/raptor
  • Specific file: git diff release/raptor raptor-cgw/api/src/main/scala/com/gemini/raptor/cgw/api/DomainEntries.scala
  • Between branches:
    1. git fetch
    2. git log --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr)%Creset' --graph --grep="CGW" 'origin/release/2022-07-06'...'origin/release/2022-07-20'
  • Between commits:
    • git diff b509834813184d3be0f1e536ed9275ef2ec57610 80c88fb6c407135223644d0d99bb504d980bc4f1 --name-only
    • git diff b509834813184d3be0f1e536ed9275ef2ec57610 80c88fb6c407135223644d0d99bb504d980bc4f1 cpp/bin/env
  • Between tags: 
      git diff --color-moved-ws=ignore-all-space,ignore-space-change,ignore-space-at-eol trading-release-dist-744..trading-release-dist-755 -- \
 'raptor-sbe-api/*' \
 'raptor-commons/api/*' \
 'raptor-cgw/*' \
 'raptor-cgwr/*'

Stash

  • Save: git stash push -m "my_stash"
  • View: git stash list
  • Pop: git stash pop --index
  • Remove all stashed: git stash clear

Commit

  • Add new files: git add .
  • Review changes in the specific commit: git show <commit-hash>
  • Show changes in local commits: git log origin/main..HEAD -p
  • Discard the uncommitted change: git checkout -- <filename>
  • Undo the last commit:
    • Preserve the changes as uncommitted: git reset --soft HEAD~1
    • Discard the changes: git reset --hard HEAD~1
  • Undo a single file: git checkout [commit ID] -- path/to/file
  • Merge the specific commit: git cherry-pick <commit id>
  • Check which branches contains the commit: git branch -a --contains <commit id>
  • Show Last n commits: git log --pretty-oneline | head -n
  • Show all files in the commit: git show --pretty="" --name-only <commit id>
  • Show Commits containing the search line: git log -S LegacyMessageHandler

Signing Commits

Merge

Merge from the remote branch: git merge --no-edit origin/master git merge --no-ff --no-commit -s recursive -X patience origin/release/raptor

Push

Use git push --force-with-lease instead of git push --force to update a branch where you have changed history.

Tag

https://git-scm.com/book/en/v2/Git-Basics-Tagging

  • git tag -a <tag name> -m <Tag description>
  • git push origin <tag name>
  • to review: git show <tag name>
  • to checkout: git checkout <tag name>

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