git

Section: (pj)
Updated: 2021-10-19
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.TH git pj "10 July 2014" .SH Comparing branches

To compare two branches: git diff master..develop

To show all commits in develop that aren't in master: git log develop hamaster -no-merges

To diff by date: git log `master@{3 days ago}' master git log `master@{3 days ago}' master - path/to/file

.SH Old history

To see an old version of something: git show HEAD~1:path/to/file

Here ~1 means "1 revision before HEAD"

To find the commit in which you removed an object: git log -n 1 -

To get it back: git checkout ha

To use git blame but only show changes prior to an old commit: git blame ha -

.SH Remotes

To see everything on a remote repository: git remote show origin

To enable access to new remote branches, you might have to do this: git fetch origin

To create a local branch based on a remote branch: git checkout -b origin/

http://stackoverflow.com/questions/1783405/git-checkout-remote-branch

To set a local branch to track a remote branch: git branch -set-upstream foo origin/foo

To make a bare repo you can push to via ssh: git init -bare .

.SH Erasing

To erase the last commit without altering your index or checkout: git reset -soft HEAD~1

To reset your checkout to origin: git fetch origin && git reset -hard origin/master

.SH Security

To run git with a different ssh key: ssh-agent bash -c `git add ; git

or even better (especially if you have multiple Github/Bitbucket accounts):


git config core.sshCommand "ssh -i ~/.ssh/foo -F /dev/null"

.SH Blame

To skip whitespace-only changes, use the -w option.

To ask about specific lines, use -L:


git blame -L10,+5 -- path/to/file

That will show only information about line 10 and the next 5 lines.

To get the second-to-last change (or third-to-last, etc.), ask git to run blame as of the commit right before the one you want to skip:


git blame 123abcha -- path/to/file

where 123abc is the commit that later changed those lines.

It is probably useful to combine this with -L:


git blame -L 10,+5 123abcha -- path/to/file

Credits: http://stackoverflow.com/questions/5098256/git-blame-prior-commits  

AUTHORS

Paul A. Jungwirth.


 

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Time: 16:45:10 GMT, April 11, 2022