"""

Do a git clone or pull depending on whether this is a cold deploy or not

"""

helpers.check_minimum_requirements()

# remove the newest release completely if something goes wrong

helpers.add_rollback("Removing checkout of project '%(current_release)s'" % env,

lambda: sudo("rm -rf %(current_release)s" % env, user=env.sudo_user))

# FIXME: this is hacky, we should have a file.exists() type if function

# to check the server if a file exists

# run a check to see if we've already got a repository checked out

cold_check = run("if [ -d %(shared_path)s/repositories/%(project)s ]; then "

"echo 'warm'; "

"else "

"echo 'cold'; fi" % env)

# FIXME: this probably needs to be split into two different functions,

# one that does 'git clone' and the other that does 'git pull'

# if it's a cold start then checkout the full repository and switch to the

# deploy branch

if cold_check == "cold":

sudo("git clone %(repository)s %(shared_path)s/repositories/%(project)s" % env, user=env.sudo_user)

# update the now warm repository to the latest code, pointless if we've

# just cloned

with cd("%(shared_path)s/repositories/%(project)s" % env):

sudo("git pull", user=env.sudo_user)

# create the release path

sudo("mkdir -p %(current_release)s/%(project)s" % env, user=env.sudo_user)

# copy it to the current release path

sudo("cp -RPp %(shared_path)s/repositories/%(project)s %(current_release)s/" % env, user=env.sudo_user)

with cd("%(current_release)s/%(project)s" % env):

# create a new local deploy branch, tracking the development/production

# branches in origin

sudo("git checkout -b deploy origin/%(branch)s" % env, user=env.sudo_user)

# store the BRANCH and REVISION in a local file for future reference

# when the shit certainly sometime will hit the fan

sudo("echo %(branch)s > BRANCH" % env, user=env.sudo_user)

with cd("%(current_path)s/%(project)s" % env):

# create a new local deploy branch, tracking the development/production

# branches in origin

sudo("git checkout -b deploy %s" % revision, user=env.sudo_user)

# store the BRANCH and REVISION in a local file for future reference

# when the shit certainly sometime will hit the fan

sudo("echo %(branch)s > BRANCH" % env, user=env.sudo_user)

helpers.check_minimum_requirements()

env.previous_revision = sudo("cat %(current_path)s/%(project)s/REVISION" % env, user=env.sudo_user)

helpers.add_rollback("Restoring to previous REVISION", lambda: _restore_revision(env.previous_revision))

# update the now warm repository to the latest code, pointless if we've

# just cloned

with cd("%(current_path)s/%(project)s" % env):

sudo("git pull", user=env.sudo_user)

# store the BRANCH and REVISION in a local file for future reference

# when the shit certainly sometime will hit the fan

sudo("echo %(branch)s > BRANCH" % env, user=env.sudo_user)