Update All Apps to Latest Revision

#!/usr/env/python
import os
import os.path
from subprocess import call

if __name__ == "__main__":
    apps_dir = os.path.abspath('.')
    for app_name in os.listdir(apps_dir):
        app_dir = os.path.abspath(os.path.join(apps_dir, app_name))
        git_path = os.path.join(app_dir, '.git')
        svn_path = os.path.join(app_dir, '.svn')
        if os.path.lexists(svn_path):
            print "Updating svn %s" % app_dir
            os.chdir(app_dir)
            call(['svn', 'update'])
        elif os.path.lexists(git_path):
            print "Updating git %s" % app_dir
            os.chdir(app_dir)
            call(['git', 'pull'])
        else:
            continue

A simple script that I have put in my Django applications directory to fetch the latest application code from git and svn.

For example, your directory structure might look like so:

django-apps/
    django-tagging/
    django-pagination/
    django-registration/
    django-threadedcomments/
    django-mptt/
    update_apps.py

Where update_apps.py is the source of this snippet.

To run, simply execute:

python update_apps.py

And the script will iterate through all of your apps and update them to the latest version.

Author:: ericflo
Posted:: July 1, 2008
Language:: Python
Tags:: apps git project script svn update
Score:: 6 (after 6 ratings)

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kcarnold (on July 1, 2008):

Subversion has an "externals" facility that works well in this situation: simply define all your external apps (even Django itself, perhaps) in svn:externals, then an svn up will pull all the latest versions. (You can also lock a specific revision.)

I think git has something similar, but I don't know how it works.

dnordberg (on July 2, 2008):

Thanks! been wanting this for sometime

Peritus (on July 2, 2008):

@kcarnold: yes, but with svn:externals you will always use the most recent version, not the one you've tested against. Have a look at http://piston.rubyforge.org/

ericflo (on July 2, 2008):

@kcarnold: That's a really great solution when all of your applications are within a subversion project, and we do it that way for the Pinax project. That being said, I like to keep a separate global directory just for Django apps, and this script addresses that particular use case.

izibi (on July 16, 2008):

Great snippet, but is it possible to add Mercurial support?

The update command is hg -u pull

Django snippets

Update All Apps to Latest Revision

python update_apps.py

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