scp_changed - upload modified files of your git repository to your server

scp_changed.py

#!/usr/bin/env python

'''
# scp_changed

Upload changed files in a git repository to a server that has a copy of the project

## installation

save it as scp_changed
chmod +x scp_changed
echo alias scp_changed=\'$(pwd)/scp_changed\' >> .bash_profile

## usage

scp_changed ?

'''

from os import system, getcwd
from os.path import exists
from sys import argv
import subprocess

__DEFAULT_SERVER__ = 'myserver'
__KNOWN_CWD_CONFIGURATIONS__ = {
    '/Users/demo/projects/deusex': ('devbox', 'projects/deusex'),
}

def upload_changed(server, server_project_path):
    '''
    upload changed files of git repository using scp
    '''
    if not exists('.git'):
        print('not a git repository')
        return
    sp = server_project_path
    cwd = getcwd()
    files = subprocess.check_output('git ls-files -m --full-name', shell=True)
    for file in files.split('\n'):
        if not file: continue
        c = 'scp {cwd}/{path} {server}:{server_path}/{path}'.format(
            cwd=cwd,
            path=file,
            server_path=sp[:-1] if sp[-1] == '/' else sp,
            server=server,
        )
        print(c)
        system(c)


def usage():
    print('''
scp_changed - upload modified files of your git repository to your server.

usage:
    scp_changed server_name:projects/deusex
    scp_changed <path> (use default server)
    scp_changed <path> <server>
    scp_changed (determine configuration based on current working directory)
    ''')


def main():
    args = argv[1:]
    args_len = len(args)
    if args_len == 0:
        cwd = getcwd()
        config = __KNOWN_CWD_CONFIGURATIONS__.get(cwd)
        if config:
            print('found config for current working directory')
            upload_changed(*config)
        else:
            usage()
    elif args_len == 1:
        arg = args[0]
        if ':' in arg:
            # server:path pair
            try:
                server, path = arg.split(':')
                if server and path:
                    upload_changed(server, path)
                    return
            except Exception:
                pass
            usage()
        elif '?' == arg:
            usage()
        elif arg:
            upload_changed(__DEFAULT_SERVER__, arg)
        else:
            usage()
    elif args_len == 2:
        upload_changed(args[1], args[0])
    else:
        usage()

if __name__ == '__main__':
    main()