gcloud setup repository script - devonfw/hangar GitHub Wiki

Setting up a repository on Google Cloud

By the end of this guide, a repository on Google Cloud will be created in an automated way using a script.

Prerequisites

  • Have a Google Cloud project already setup with billing and Cloud Source Repositories API enabled and GCloud CLI installed and configured. If it is not the case, please go back to corresponding guide.

  • Install Git.

Creating repository using provided script

The script located at /scripts/repositories/gcloud/create-repo.sh allows you to either:

  1. Create an empty repository with just a README file and clone it to your computer into the directory you set. Useful when starting a project from scratch.

  2. Import an already existing directory or Git repository into your project giving a path or an URL. Useful for taking to Google Cloud the development of an existing project.

Usage

create-repo.sh \
    -a <action> \
    -d <local directory> \
    -p <project id> \
    [-n <repository name>] \
    [-g <giturl>] \
    [-b <branch>] \
    [-r] \
    [-s <branch strategy>] \
    [-f] \
    [--subpath <subpath to import>] \
=== Flags 
-a, --action                [Required] Use case to fulfil: create, import.
-d, --directory             [Required] Path to the directory where your repository will be cloned or initialized.
-p, --project               [Required] Short name (ID) of the Google Cloud project.
-n, --name                             Name for the {provider_name} repository. By default, the source repository or directory name (either new or existing, depending on use case) is used.
-g, --source-git-url                   Source URL of the Git repository to import.
-b, --source-branch                    Source branch to be used as a basis to initialize the repository on import, as master branch.
-r, --remove-other-branches            Removes branches other than the (possibly new) default one.
-s, --setup-branch-strategy            Creates branches and policies required for the desired workflow. Requires -b on import. Accepted values: gitflow.
-f, --force                            Skips any user confirmation.
    --subpath                          When combined with -g and -r, imports only the specified subpath of the source Git repository.
=== Typical use cases
Tip
 This is non-exhaustive list. Make your own combination of flags if all of the following use cases does not fit your needs.

Creating an empty repository

./create-repo.sh -a create -p <project> -n <repository name> -d <local destination directory>

In case repository name is not specified, destination directory name will be used.

Creating an empty repository with Gitflow branching strategy

./create-repo.sh -a create -p <project> -n <repository name> -d <local destination directory> -s gitflow

Importing a remote Git repository

./create-repo.sh -a import -g <source git url> -p <project> -n <repository name> -d <local destination directory>

In case repository name is not specified, source repository name (in URL) will be used.

Importing a specific remote Git repository branch as source for a new repository with Gitflow branching strategy

./create-repo.sh -a import -p <project> -g <source git url> -b <source branch> -s gitflow -r -n <repository name> -d <local destination directory>

This will create master (and develop since a branching strategy is specified) from the <source branch>, removing any other branch (including <source branch>).

Importing local directory or Git repository

./create-repo.sh -a import -p <project> -d <local source directory> -n <repository name>

In case repository name is not specified, source directory name will be used.

Importing a specific local Git repository branch as source for a new repository with Gitflow branching strategy

./create-repo.sh -a 'import' -p <project> -d <local source directory> -b <source branch> -s gitflow -r -n <repository name>

This will create master (and develop since a branching strategy is specified) from the <source branch>, removing any other branch (including <source branch>).

Warning
 This operation is destructive regarding branches on the local repository.
Note
 Same command could also be used with a local directory, but then using -b and -r would be redundant.

Branching strategies

To ensure the quality of development, it is crucial to keep a clean Git workflow. The following branching strategies are supported (using -s flag):

Gitflow

This is not an explanation of Gitflow (there are plenty of them on the web), but the actions performed by the script to help you start using this worflow.

Branches

  • master is the initial (seed) branch.

  • develop branch is created from master branch.

Any other branch part the strategy (feature, release, and hotfix branches) will be created by developers during the lifecycle of the project.

Creative Commons License Agreement
This documentation is licensed under the Creative Commons License (Attribution-NoDerivatives 4.0 International).

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