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"""Subroutines for repository initialization"""
from shutil import rmtree
from git import Repo
from os import path, makedirs
import portage
from pomu.util.result import Result, ResultException
def init_plain_repo(create, repo_path, name=None): #name might be extraneous
"""Initialize a plain repository"""
if not repo_path:
return Result.Err('repository path required')
if create:
if path.isdir(repo_path):
return Result.Err('this repository already exists')
try:
makedirs(repo_path)
except PermissionError:
return Result.Err('you do not have enough permissions to create the git repository')
Repo.init(repo_path)
try:
return Result.Ok(init_new(repo_path).unwrap())
except ResultException as e:
rmtree(repo_path)
return Result.Err(str(e))
else:
if not path.isdir(repo_path):
return Result.Err('directory not found')
return init_pomu(repo_path)
def init_portage_repo(create, repo, repo_dir):
"""Initialize a portage repository"""
if not repo:
return Result.Err('repository name required')
rsets = portage.db[portage.root]['vartree'].settings.repositories
if create:
if repo in rsets.prepos_order:
return Result.Err('a repository with such name already exists!')
repo_path = path.join(repo_dir, repo)
try:
makedirs(repo_path)
except PermissionError:
return Result.Err('you do not have enough permissions to create the git repository')
try:
with open(path.join(portage.root, 'etc/portage/repos.conf', 'pomu.conf'), 'a') as f:
f.write('[' + repo + ']' + '\n')
f.write('location = ' + repo_path + '\n')
except PermissionError:
rmtree(repo_path)
return Result.Err('you do not have enough permissions to setup a portage repo')
Repo.init(repo_path)
try:
return Result.Ok(init_new(repo_path, repo).unwrap())
except ResultException as e:
rmtree(repo_path)
return Result.Err(str(e))
else:
if repo not in rsets.prepos_order:
return Result.Err('repository not found')
return init_pomu(rsets.prepos[repo], repo)
def init_new(repo_path, name=None):
"""Initialize a newly created repository (metadata/layout.conf and pomu)"""
cnf = path.join(repo_path, 'metadata', 'layout.conf')
if not path.isfile(cnf):
try:
makedirs(path.join(repo_path, 'metadata'))
with open(cnf, 'w') as f:
f.write('masters = gentoo\n')
except PermissionError:
return Result.Err('you do not have enough permissions to modify the repo')
return init_pomu(repo_path, name)
def init_pomu(repo_path, name=None):
"""Initialise pomu for a repository"""
pomu_path = path.join(repo_path, 'metadata', 'pomu')
if not path.isdir(path.join(repo_path, '.git')):
return Result.Err('target repository should be a git repo')
if path.isdir(pomu_path):
return Result.Ok('Repository ' + name if name else 'at {}'.format(repo_path) + ' already initialized')
r = Repo(repo_path)
try:
makedirs(pomu_path)
open(path.join(pomu_path, '.sentinel'), 'w').close()
except PermissionError:
return Result.Err('you do not have enough permissions to modify the repo')
r.index.add([path.join('metadata', 'pomu')])
r.index.commit('Initialized pomu')
ret = Result.Ok('Initialized repository ' + name + ' successfully')
return ret
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