git

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GitLab runner

Instlal with Ansible
https://github.com/panticz/ansible/tree/master/roles/gitlab-runner

Get token from GitLab server
http://gitlab/admin/runners

# configure DNS for GitLab server
echo "10.0.1.12 gitlab.example.com gitlab" >> /etc/hosts

Register
sudo gitlab-runner register \
--non-interactive \
--url "http://gitlab/" \
--registration-token "XAr8-bZz2PbpFSrYRFMt" \
--executor "shell" \
--description "runner1" \
--tag-list "shell,runner" \
--run-untagged \
--locked="false"

GitLab: Web-based Git repository manager

Install
http://www.panticz.de/install-gitlab

# restart gitlab
gitlab-ctl restart

# git home directory
/var/opt/gitlab

Reset admin password
gitlab-rails console production
u = User.where(id: 1).first
u.password = 'secret'
u.password_confirmation = 'secret'
u.save!

backup
https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/raketasks/backup_restore.md
# full backup
gitlab-rake gitlab:backup:create

# backup without reposiories
sudo gitlab-rake gitlab:backup:create SKIP=repositories

# backup target

Git

git hooks post-merge example

#!/bin/bash

# check for modified files
for FILE in $(git diff-tree -r --name-only --no-commit-id ORIG_HEAD HEAD); do
  case "${FILE}" in
    *.json)
      # Repository configuration changed: update configuration
      ~/my_repository/scripts/json_update.sh
      ;;
    cronjobs/crontab)
      # Crontab changed: update user cronjobs
      ~/my_repository/scripts/crontab_update.sh
      ;;
  esac
done

# show repository info
git describe
git config -l

# show diff for one file
git diff

# commit only one file
git commit -m 'my comment' path/to/file

# create Git repository
git init

# add all files
git add .

# commit
git commit -m "initial project version"

# list tag
git tag -l

checkout
# checkout over SSH
git clone git@github.com:foo/bar.git

# pull single file
git checkout filename

# pull single file from remote
git checkout origin/master -- path/to/file

# checkout to checkout to specific folder
git clone https://github.com/panticz/installit.git /path/to/folder

# create tag
git tag -a v1.4 -m 'version 1.4'
git push --tags
git push origin

# remove tag
git tag -d tag123
git push origin :refs/tags/tag123

# checkout tag
git clone --branch bar-1.0.4 git@git.example.com:foo/ansible.git /tmp/bar-1.0.4

# git pull single file
git checkout origin/master -- file_name

# rollback to revision
git checkout 96fe40ded8277725d244aac83c42256ad554cc3b .

# switch branch
git checkout branch_name
git checkout master

# checkout branch
git clone --branch --single-branch []

# test
git reset file/to/overwrite

# search for string
git grep "string/regexp" $(git rev-list --all)

# grep
git grep foo HEAD

# remove last commit
git reset HEAD~1

# reset to latest revision
git reset --hard

git cherry-pick commit1

branch
# diff between branches
git diff master

# show branches
git branch

# push local Git branch to remote master branch
git push origin local_branch_1:master

# delete local branch
git branch -d local_branch_name

# delete remote branch
git push origin :remote_branch_name

# ignore
./.gitignore

# git global setup
git config --global user.name "first_name last_name"
git config --global user.email "user@example.com"
git config --global core.autocrlf true

# create a new repository
git clone git@example.com:repository_group/repository_name.git
cd repository_name
touch README.md
git add README.md
git commit -m "add README"
git push -u origin master

# Add existing folder or Git repository
cd existing_folder
git init
git remote add origin git@example.com:repository_group/repository_name.git
git add .
git commit
git push -u origin master

# search for string in commit
git grep foo $(git rev-list --all)

# check out single file
git archive --remote=git@git.example.com:foo/bar.git HEAD:path1/file_or_dir target_file_name | tar --extract

# set proxy
http://cms-sw.github.io/tutorial-proxy.html
git config --global http.proxy $http_proxy
git config --global https.proxy $https_proxy

http.sslVerify
http.sslCAInfo
http.sslCAPath
http.sslCert
http.sslKey
http.sslCertPasswordProtected

Install GitLab

wget -q --no-check-certificate https://raw.githubusercontent.com/panticz/installit/master/install.gitlab.sh -O - | bash -

#!/bin/bash

# ensure that this script is run by root
if [ $(id -u) -ne 0 ]; then
    sudo $0
    exit
fi

# install required packages
apt-get install -y ca-certificates curl cron

#  bypass the apt-cacher-ng proxy
echo 'Acquire::HTTP::Proxy::packages.gitlab.com "DIRECT";' > /etc/apt/apt.conf.d/99_gitlab

# download GitLab installation script
curl -s https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.deb.sh | bash

# workaround for PostgreSQL shmmax issue
echo "kernel.shmmax=17179869184" >> /etc/sysctl.d/90-shmmax.conf
/sbin/sysctl -p /etc/sysctl.d/90-shmmax.conf

# install GitLab Community Edition
apt-get install -y gitlab-ce

# configure domain
sed -i "s|gitlab.example.com|$(hostname -A | tr -d ' ')|g" /etc/gitlab/gitlab.rb
gitlab-ctl reconfigure

Login
http://YOUR_SERVER_IP
user: root
pass: 5iveL!fe

Downloads: GitLab CE Download Archives
https://about.gitlab.com/downloads/archives/

# check instalation
gitlab-rake gitlab:check

# GitLab APT repository
https://packages.gitlab.com/gitlab/gitlab-ce

# rebuild an authorized_keys file
gitlab-rake gitlab:shell:setup

# install specific version
sudo apt-get install -y gitlab-ce=7.10.1~omnibus.1-1

Send email notification
Notify.test_email('foo@example.com', 'GitLab test subject', 'GitLab test message').deliver_now

Links
https://packages.gitlab.com/gitlab/gitlab-ce/install
https://packages.gitlab.com/gitlab/gitlab-ce/
https://about.gitlab.com/downloads/
https://gitlab.com/gitlab-org/omnibus-gitlab/blob/master/README.md#installation
https://www.gitlab.com/2014/02/14/gitlab-is-now-simple-to-install/
https://about.gitlab.com/downloads/archives/ - old GitLab packages archive

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