Generate a bash script that clones all GitLab repositories and runs a commit on all branches.

glutils.py

#!/usr/bin/env python

"""
    Generate a bash script that clones all GitLab repositories and runs a commit on all branches. 

    Usage:
        python3 glutils.py $glURL $token $command $commitMessage > script.sh
        bash script.sh
"""
import sys
import os.path

try:
    import gitlab
except ImportError:
    print("Unable to find python-gitlab module. ")
    print("Please run `pip install python-gitlab` to install it. ")
    sys.exit(1)

def get_gl_branches(gl):
    """ Yield pairs (repo, ssh_url, branch) of all repositories """

    for project in gl.projects.list(all=True):
        name = project.path_with_namespace
        url = project.ssh_url_to_repo
        
        try:               
            for branch in project.branches.list(all=True):
                yield name, url, branch.name
        except gitlab.exceptions.GitlabListError:
            continue



def main():

    # read url
    if len(sys.argv) > 1:
        url = sys.argv[1]
    else:
        url = input("## Enter the URL to your GitLab Instance [e.g. https://gl.kwarc.info]>")
    
    # get api token
    if len(sys.argv) > 2:
        token = sys.argv[2]
    else:
        token = input("## Enter your OAuth token [see {}/profile/personal_access_tokens]>".format(url))
    
    # get command
    if len(sys.argv) > 3:
        command = sys.argv[3]
    else:
        command = input("## Enter command to run>")
    
    # commit message
    if len(sys.argv) > 4:
        msg = sys.argv[4]
    else:
        msg = input("## Enter commit message>")

    # connect to GitLab
    gl = gitlab.Gitlab(url, private_token=token)

    # iterate through all the branches
    for (name, url, branch) in get_gl_branches(gl):

        dirname = os.path.join(name, branch)
        
        print("# repo={} branch={}".format(name, branch))
        print("mkdir -p {}".format(dirname))
        print("pushd {}".format(dirname))
        print("git clone --depth 1 --branch {} {} .".format(url, branch))
        print(command)
        print("git add -A .")
        print("git commit -m \"{}\"".format(msg))
        print("git push")
        print("popd")
        print("")


if __name__ == "__main__":
    main()