Git Index

1. Work

Git is very easy to use and very useful to keep information in text or other formats. To start using just go to a directory where you will test git, add some files and;

    $ git init

This initiates git directory and configuration files for this repository, you can see new directory ".git/". The next command says the status of your working directory, since no files have been added it will report "untracked files";

    $ git status

Add all files to start tracking them;

    $ git add .

Run again git status, it should report that new files have been added;

    $ git status

If you change any file it will report that the file have been changed at this moment, new changes can be added to current state of the files for the next commit. To commit;

    $ git commit -m "initial commit"

2.1. Local workflow

Check ~/.bashrc for glog alias, help to check branches and their commit history;

    # Git log
    glog () {
        git log --stat --decorate
    }
    # Git graph log
    gloga () {
        git log --graph --abbrev-commit --decorate --date=relative --all
    }

Mark all deleted to commit;

    $ git ls-files --deleted -z | xargs -0 git rm

Query last commit that affected current file path

    $ git rev-list -n 1 HEAD -- .
    $ git show f000 path/to/file
    $ git diff --name-status f000 path/to/file

Undo a file to specific commit

    $ git checkout f000^ -- path/to/file

Join multiple commits into single one;

    $ git log --oneline
    $ git rebase -i oldest_commit_to_rewrite

Undo last commit;

    $ git reset --soft HEAD~1

2.2. Logs, diff commits

Create patch files to target branch/tag/ref;

    $ git format-patch --no-prefix software-v0.0.1

Same using diff command;

    $ diff -u orig file > file.patch

2.3. Working with remotes

Adding a new remote;

    $ git remote add newremotename https://machine.example.org/repo.git

Update local branches removed on remote set automatically;

    $ git config --global fetch.prune true

This will prune on fetch or you can keep it manually;

    $ git remote prune origin

Update all branches with remote;

    $ git fetch --all
    $ git pull --all

If you want to track all remotes run this line and then the commands mentioned above;

    $ for remote in `git branch -r`; do git branch --track ${remote#origin/} $remote; done

Future updates;

    $ git fetch --all
    $ git pull --all

When using gitolite as remote, check following documentation;

Permission related problems check if correct user account exists on git server or is public readable.
Repository related problems check if exists or create one user permissions.
Local user account and configuration check correct ssh identities, and profile alias have been setup.

Git Index