dotfiles/tasks/util.py

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import errno
import os
from invoke import run
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TASKS_DIRECTORY = os.path.dirname(__file__)
REPO_DIRECTORY = os.path.dirname(TASKS_DIRECTORY)
DOTFILES_DIRECTORY = os.path.join(REPO_DIRECTORY, 'dotfiles')
RESOURCES_DIRECTORY = os.path.join(REPO_DIRECTORY, 'resources')
def command_exists(command, run=run):
return run("hash {0}".format(command), warn=True, hide=True).exited == 0
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def link_filenames(ctx, link_pairs, force=False):
for source, destination in link_pairs:
destination = os.path.expanduser(destination)
source = os.path.expanduser(source)
if force:
ctx.run("sudo rm -rf {0}".format(destination))
if os.path.exists(destination):
print("Skipping {0} because path already exists".format(destination))
else:
print("Linking {0} to {1}".format(destination, source))
ctx.run('ln -s {0} {1}'.format(source, destination))
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def ensure_path_exists(path):
try:
os.makedirs(path)
except OSError as exception:
if exception.errno != errno.EEXIST:
raise