Source Code Management 

See also: Administrative, Configuration Management, LFH, Shell

git 

The manual pages for each primary git argument can be found by running $ man git-<ARG>.

git 

Package: git

Git is used for version controlling files.

Usage	Explanation
–work-tree=<PATH> –git-dir=<PATH>/.git	change the git working directory to `<PATH>`
init	initialize an empty git directory
reset –hard	deletes all local changes
status -v	shows files that have been modified and not pushed yet
diff <BRANCH_OR_COMMIT>	shows deletions and inserts of the actual changes between this branch and a specified branch
diff –staged	show the patch/difference of commits that are staged to be committed
fetch –tags	pull the latest tags
grep	search for specific strings in all of the files
blame	show who made a specific commit
merge –squash	condense all commits into one
reflog <BRANCH>	show the local git history
-c	specify a configuration option to temporarily override
-c http.sslVerify=false	turn off SSL verification to use self-signed SSLs

git remote 

Configure additional related Git repositories to manage.

Usage	Explanation
add origin	add a GitHub project URL
set-url origin	change the repo URL
set-url origin git@github.com:<GITHUB_USER>/<PROJECT>.git	change a local repository to use a SSH connection to GitHub

git config 

Manage the local settings for git repositories and users.

Usage	Explanation
–global	modify the global configuration
–edit	edit the local configuration file interactively
–global –edit	edit the global configuration file interactively
–list	shows current Git user information
–get <KEY>.<VALUE>	shows what a specific variable is set to
user.name	change username
user.email	change e-mail
remote.origin.url	the repository URL
–unset <KEY>.<VALUE>	unset a variable

git clone 

Usage	Explanation
–depth <DEPTH>	only download the last <DEPTH> amount of commits
–branch <BRANCH>	clone a repository and all of it’s branches and then switch to the specified branch
–single-branch –branch <BRANCH>	clone only one specific branch from a repository

git pull 

Download the latest commits from a remote git repository.

Usage	Explanation
origin	download all of the different branch information
origin <BRANCH>	download a specific branch

Example	Explanation
origin devel	download the devel branch

git add 

Stage commits.

Usage	Explanation
.	add all changes to files in the currently working directory and below to be committed
<FILE>	add all changes to a specific file to be committed

git commit 

Usage	Explanation
-m ‘<USEFUL_COMMENT>’	provide a commit comment
-s	automatically sign off on the commit (add the git name and email address)
–amend	change the last commit message
–amend –no-edit	update the current commit and keep the same message
–amend –reset-author	update the author name and email on the current commit

git push 

Upload commits to a git repository.

Usage	Explanation
origin	push all local commits, branches, and tags to the remote origin
origin <TAG>	upload a new read-only tag branch
origin master	upload your changes to the master branch
origin –delete <BRANCH>	delete a remote branch
-f, –force	force a push that will rewrite the commit history to mirror the local commits

git branch 

Manage branches.

Usage	Explanation
	show local branches
-b	create a new branch
-d	delete a branch
-D	delete a remote branch; use ‘git push origin :<BRANCH>’ to fully remove it after this command is run
-a	show all local and remote branches
-r	show remote branches only
-m	rename a branch

git tag 

Usage	Explanation
	show tags
<TAG>	create a special tag branch; useful for saving specific versions of a software

git checkout 

Change the currently active branch.

Usage	Explanation
<BRANCH>	use a different branch
–track -b	checkout a remote branch

git merge 

Merge one or more commits between branches.

Usage	Explanation
<BRANCH_TAG_OR_COMMIT>	merge a specified branch to the current branch

git reset 

Undo changes to the current branch.

Usage	Explanation
<BRANCH>@{#}	switch to a specific commit
–soft HEAD~1	undo the last saved commit; the file changes will be preserved
–hard HEAD~1	undo the last saved commit; all changes from the current commit will be lost
–hard	remove all uncommitted changes

git clean 

Delete inodes that are not part of the git repository.

Usage	Explanation
-f	delete files
-d	delete empty directories
-x	delete hidden files or directories

Example	Explanation
-fdx	delete all files and directories that do not belong to the git repository

git stash 

Usage	Explanation
save	temporarily save uncommitted changes in a branch and revert to HEAD; this is useful for saving changes and then switching to another branch
pop	revert back from HEAD to the committed changes

git fsck 

Usage	Explanation
	fix issues with the Git project by syncing against the remote branches

git count-objects 

Count the number of git objects.

Usage	Explanation
-v	verbose, show additional size information
-H	show the size in human readable format

git log 

Display the history of commits.

Usage	Explanation
	show the commit history of the current branch
-p <FILE>	show the commit history of only a specific file or directory
<BRANCH>	show the commit history for a specific branch

git show 

Usage	Explanation
<COMMIT_HASH>	show the patch/diff of a specific commit
HEAD	show the newest commit
–pretty=full	show the patch with the commit hash, author, and committer
–pretty=email	show the patch with the required information to use git over e-mail (commit hash, author, author date, and subject line)

git blame 

Usage	Explanation
<FILE>	find the author and commit hash of each line of code within a file
<BRANCH> <FILE>	look for commits from other branches (useful for merge conflicts)

git review 

Manage patches through the Gerrit gating platform.

Usage	Explanation
-s	automatically configure the local settings for gating jobs
	send a patch for testing and peer review
-d <CHANGE_ID>	checkout a change-id from Gerrit

git reflog 

View all actions that were down to the local git repository. git checkout can be used to switch to a commit and/or recreate previous steps.

Usage	Explanation
	view all of the local changes to and history of the git repository

git rebase 

Usage	Explanation
<COMMIT>	add a commit from another branch to the current one
–continue	after fixing merge conflicts and doing a `git add`, the rebase will be committed
–abort	revert changes from a cherry pick that has merge conflicts

git cherry-pick 

Usage	Explanation
<COMMIT>	add a commit from another branch to the current one
-x <COMMIT>	add a commit from another branch and reference the original commit hash at the bottom of the commit message
–continue	after fixing merge conflicts and doing a `git add`, the cherry-pick will be committed
–abort	revert changes from a cherry pick that has merge conflicts