Git

setup git repository gitolite style

dnf install gitolite3

create new git repo

clone giolite-admin. Then edit conf/gitolite.conf and push it.

git clone ssh://git@halfface.se:/gitolite-admin. 

Download a git repository

git clone git@www.halfface.se:project.git

clone git repository with other user and not trusted cert

env GIT_SSL_NO_VERIFY=true git clone https://user_name:P@ssW0rd@rb-gitlab01.int.redbridge.se/driften/ansible.git

which changes has occured

git status

commit changes

git commit -a -m "updated ..."

change commit message

git commit --amend

push changes upsteam

git push
git push origin master

list branches

List local and remote branches.

git branch -a

list remote branches.

git branch -r

Change branch

git checkout remotes/origin/code-18500

Change branch

git branch master

git pull

sync up against git head

git pull

list files from specific branch, e.g. master

git ls-tree -r master --name-only

If you want to get a list of all files that ever existed

git log --pretty=format: --name-status | cut -f2- | sort -u

show where git repository is coming from/source

git remote show origin

git list tags

git tag -n

git diff

Difference between tags.

git diff tag1 tag2

Only show name of changed files.

git diff --name-only tag1 tag2

diff between master and branch

git diff master..772974_blabla_description_of_branch

diff between commit and what it was commited too.

git diff COMMIT~ COMMIT

List all sha1 codes for all objects

git rev-list --objects --all

git revert local changes

git reset --hard ; git clean -fd
git reset --hard origin/master ; git clean -fd

list tags containing commit

git tag --contains ${commit}

list dates in iso format

git log --date=iso ./lib/IPsoft/IPdiscover/Module/Ish/ApplicationServer.pm

list log on line per entry

git log --oneline  ansible.yml

look at content of file

git show 123131234242411fs1fds234fds14f1s4:/git/file.java

download specific version of file

git show af5bb0fe325300844195975a2f0c1f82979a7dd6:./git/search/path/file.txt > /temp/file.txt.af5bb0fe325300844195975a2f0c1f82979a7dd6

git gc

Compress and optimize git repository.

Return to master

git checkout master

git reflog

Reference logs, or "reflogs" are a mechanism Git uses to record updates applied to tips of branches and other commit references. Reflog allows you to go back to commits even though they are not referenced by any branch or tag. After rewriting history, the reflog contains information about the old state of branches and allows you to go back to that state if necessary. Every time your branch tip is updated for any reason (by switching branches, pulling in new changes, rewriting history or simply by adding new commits), a new entry will be added to the reflog. In this section we will take a high level look at the git reflog command and explore some common uses.

git stash

git stash save   # which enables including temporary commit message, which will help you identify changes, among with other options
git stash list   # which lists all previously stashed commits (yes, there can be more) that were not poped
git stash pop    # which redoes previously stashed changes and removes them from stashed list
git stash apply  # which redoes previously stashed changes, but keeps them on stashed lis
git stash drop 0 # remove a stash entry.

rename branch

Rename current branch

git branch -m <newname>

Rename other branch

git branch -m <oldname> <newname>

Rename a local and remote branch

rename local branch.

git branch -m <newname>

Delete the old-name remote branch and push the new-name local branch.

git push origin :old-name new-name

Reset the upstream branch for the new-name local branch. Switch to the branch and then:

git push origin -u new-name

view changes since creating branch

git diff @~..@

git checkout specific date

git checkout 'master@{1979-02-26 18:30:00}'

=git push: fatal: The current branch "*" has no upstream branch.

To push the current branch and set the remote as upstream, use
git push --set-upstream origin Problem_updating_certificate_automatically

Fix

git config --global push.default current

are there updates remotely

git fetch --dry-run

add file to commit

git add $file

remove file from commit

git reset $file