The best way to determine if I have your code is to check the status of your git repo with git status, git log or gitk. Run git status and compare the output to some of the sample snippets below.

• up-to-date AND working directory clean
• Changes not staged for commit - modified:
• Untracked files: ...
• fatal: Not a git repository
• Changes to be committed:
• Your branch is ahead of 'origin/master' by ... commits.

`

$ git status
On branch master
Your branch is up-to-date with 'origin/master'.

nothing to commit, working directory clean

This is the ideal git status message. Being "up-to-date with 'origin/master'." means there is nothing to push. "working directory clean" means all the files in the current directory are being managed by git (or are being intentionally ignored via .gitignore) and the most recent version of the file has been committed. If git status mentions "Untracked files:", you may need to add one or more untracked files.

[01]$ git status
On branch master
Your branch is ahead of 'origin/master' by 1 commit.
  (use "git push" to publish your local commits)

Untracked files:
  (use "git add <file>..." to include in what will be committed)

	README.txt
	lab1

nothing added to commit but untracked files present (use "git add" to track)

In this case, you probably want to add README.txt, but not lab1. The file lab1 is a binary file built automatically by the compiler when you run make. A general rule is if the file goes away when you run make clean, you do not want to add the file to git. Another good rule is that if you edit the file directly with your editor, the file belongs in git. So in this case, let's add, commit and push changes to the new file README.txt

[01]$ git add README.txt
[01]$ git commit -m "instruction on how to run programs"
[01]$ git push
flour[01]$ git status
On branch master
Your branch is up-to-date with 'origin/master'.

Untracked files:
  (use "git add <file>..." to include in what will be committed)

	lab1

nothing added to commit but untracked files present (use "git add" to track)

This status message is OK. We are up-to-date, there is nothing to commit, but there is still an untracked file. Since this file should not belong in git, this status shows a good git repo with all updates available to the instructor and the partner.

[01]$ git status
On branch master
Your branch is up-to-date with 'origin/master'.

Changes not staged for commit:
  (use "git add ..." to update what will be committed)
  (use "git checkout -- ..." to discard changes in working directory)

	modified:   lab1.c
	modified:   README.txt

no changes added to commit (use "git add" and/or "git commit -a")

In this situation, the file lab1.c was previously added to git and is maintained under version control. However, there have been some recent changes to the file you need to add and commit to git. For each of the files that are listed as modified: use git add to add these files to be part of the next commit. Once you have added all the files, use git commit -m "sample message" to save your changes to git.

[01]$ git add README.txt lab1.c
[01]$ git commit -m "Documented results"
[master c0ab9a9] Documented results
 2 files changed, 2 insertions(+), 2 deletions(-)
[01]$ git status
On branch master
Your branch is ahead of 'origin/master' by 2 commits.
  (use "git push" to publish your local commits)

nothing to commit, working directory clean

Note that the message at the end of git status now says "nothing to commit, working directory clean", but the second line reads "Your branch is ahead of 'origin/master' by 2 commits.". Fix this with git push If you see the message "Changes to be committed: ...", it means you have previously run git add, but you have not run git commit

[01]$ git status
On branch master
Your branch is up-to-date with 'origin/master'.

Changes to be committed:
  (use "git reset HEAD ..." to unstage)

        modified:   lab1.c

Fix this by running git commit with a short message saying what you changed in the files.

[01]$ git commit -m "fixed bug in read_input(...)"

If you get this message, you need to run git push to submit your changes to your instructor or your partner.

[01]$ git status
On branch master
Your branch is ahead of 'origin/master' by 1 commit.
  (use "git push" to publish your local commits)

nothing to commit, working directory clean

flour[01]$ git push
Counting objects: 5, done.
Delta compression using up to 6 threads.
Compressing objects: 100% (3/3), done.
Writing objects: 100% (3/3), 303 bytes | 0 bytes/s, done.
Total 3 (delta 2), reused 0 (delta 0)
To /home/adas/share/cs31_f14/labs/01
   c0ab9a9..5809244  master -> master

flour[01]$ git status
On branch master
Your branch is up-to-date with 'origin/master'.

nothing to commit, working directory clean

$ git status
fatal: Not a git repository (or any parent up to mount point /usr)
Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set)

If you get this error, you are not in a directory that has a git repository. Use cd or refer to the Git setup docs regarding setting up your initial repo.
git documentation sections 1 and 2 in particular are very useful
git user's manual
Andy's git wiki page more complete coverage of common and advanced git feature
git cheatsheet
git magic a good source of information about more advanced and obscure git functionality
converting cvs repository to git

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Last updated: Tuesday, September 22, 2020 at 01:07:42 PM