#-*- coding: utf-8 -*-
"""
(c) 2014 - Copyright Red Hat Inc
Authors:
Pierre-Yves Chibon <pingou@pingoured.fr>
"""
import flask
import os
import shutil
import tempfile
from math import ceil
import pygit2
from sqlalchemy.exc import SQLAlchemyError
from pygments import highlight
from pygments.lexers import guess_lexer
from pygments.lexers.text import DiffLexer
from pygments.formatters import HtmlFormatter
import progit.doc_utils
import progit.lib
import progit.forms
from progit import (APP, SESSION, LOG, __get_file_in_tree, cla_required,
is_repo_admin, generate_gitolite_acls)
@APP.route('/<repo>/request-pulls')
@APP.route('/fork/<username>/<repo>/request-pulls')
def request_pulls(repo, username=None):
""" Request pulling the changes from the fork into the project.
"""
status = flask.request.args.get('status', True)
repo = progit.lib.get_project(SESSION, repo, user=username)
if not repo:
flask.abort(404, 'Project not found')
if status is False or str(status).lower() == 'closed':
requests = progit.lib.get_pull_requests(
SESSION, project_id=repo.id, status=False)
else:
requests = progit.lib.get_pull_requests(
SESSION, project_id=repo.id, status=status)
return flask.render_template(
'requests.html',
select='requests',
repo=repo,
username=username,
requests=requests,
status=status,
)
@APP.route('/<repo>/request-pull/<requestid>')
@APP.route('/fork/<username>/<repo>/request-pull/<requestid>')
def request_pull(repo, requestid, username=None):
""" Request pulling the changes from the fork into the project.
"""
repo = progit.lib.get_project(SESSION, repo, user=username)
if not repo:
flask.abort(404, 'Project not found')
request = progit.lib.get_pull_request(
SESSION, project_id=repo.id, requestid=requestid)
if not request:
flask.abort(404, 'Pull-request not found')
repo_from = request.repo_from
if repo_from.is_fork:
repopath = os.path.join(APP.config['FORK_FOLDER'], repo_from.path)
else:
repopath = os.path.join(APP.config['GIT_FOLDER'], repo_from.path)
repo_obj = pygit2.Repository(repopath)
if repo_from.parent:
parentname = os.path.join(APP.config['GIT_FOLDER'], repo_from.parent.path)
else:
parentname = os.path.join(APP.config['GIT_FOLDER'], repo_from.path)
orig_repo = pygit2.Repository(parentname)
diff_commits = []
diffs = []
repo_commit = repo_obj[request.stop_id]
if not repo_obj.is_empty and not orig_repo.is_empty:
orig_commit = orig_repo[
orig_repo.lookup_branch('master').get_object().hex]
master_commits = [
commit.oid.hex
for commit in orig_repo.walk(
orig_repo.lookup_branch('master').get_object().hex,
pygit2.GIT_SORT_TIME)
]
for commit in repo_obj.walk(
request.stop_id, pygit2.GIT_SORT_TIME):
if request.status is False and commit.oid.hex == request.start_id:
break
elif request.status and commit.oid.hex in master_commits:
break
diff_commits.append(commit)
diffs.append(
repo_obj.diff(
repo_obj.revparse_single(commit.parents[0].oid.hex),
repo_obj.revparse_single(commit.oid.hex)
)
)
elif orig_repo.is_empty:
orig_commit = None
diff = repo_commit.tree.diff_to_tree(swap=True)
else:
flask.flash(
'Fork is empty, there are no commits to request pulling',
'error')
return flask.redirect(flask.url_for(
'view_repo', username=username, repo=repo.name))
html_diffs = []
for diff in diffs:
html_diffs.append(
highlight(
diff.patch,
DiffLexer(),
HtmlFormatter(
noclasses=True,
style="tango",)
)
)
form = progit.forms.ConfirmationForm()
return flask.render_template(
'pull_request.html',
select='requests',
requestid=requestid,
repo=repo,
username=username,
request=request,
repo_admin=is_repo_admin(request.repo),
repo_obj=repo_obj,
orig_repo=orig_repo,
diff_commits=diff_commits,
diffs=diffs,
html_diffs=html_diffs,
mergeform=form,
)
@APP.route('/<repo>/request-pull/<requestid>.patch')
@APP.route('/fork/<username>/<repo>/request-pull/<requestid>.patch')
def request_pull_patch(repo, requestid, username=None):
""" Returns the commits from the specified pull-request as patches.
"""
repo = progit.lib.get_project(SESSION, repo, user=username)
if not repo:
flask.abort(404, 'Project not found')
request = progit.lib.get_pull_request(
SESSION, project_id=repo.id, requestid=requestid)
if not request:
flask.abort(404, 'Pull-request not found')
repo = request.repo_from
if repo.is_fork:
repopath = os.path.join(APP.config['FORK_FOLDER'], repo.path)
else:
repopath = os.path.join(APP.config['GIT_FOLDER'], repo.path)
repo_obj = pygit2.Repository(repopath)
if repo.parent:
parentname = os.path.join(APP.config['GIT_FOLDER'], repo.parent.path)
else:
parentname = os.path.join(APP.config['GIT_FOLDER'], repo.path)
orig_repo = pygit2.Repository(parentname)
diff_commits = []
repo_commit = repo_obj[request.stop_id]
if not repo_obj.is_empty and not orig_repo.is_empty:
orig_commit = orig_repo[
orig_repo.lookup_branch('master').get_object().hex]
master_commits = [
commit.oid.hex
for commit in orig_repo.walk(
orig_repo.lookup_branch('master').get_object().hex,
pygit2.GIT_SORT_TIME)
]
repo_commit = repo_obj[request.start_id]
for commit in repo_obj.walk(
request.stop_id, pygit2.GIT_SORT_TIME):
if commit.oid.hex in master_commits:
break
diff_commits.append(commit)
elif orig_repo.is_empty:
orig_commit = None
diff = repo_commit.tree.diff_to_tree(swap=True)
else:
flask.flash(
'Fork is empty, there are no commits to request pulling',
'error')
return flask.redirect(flask.url_for(
'view_repo', username=username, repo=repo.name))
diff_commits.reverse()
patch = progit.lib.commit_to_patch(repo_obj, diff_commits)
return flask.Response(patch, content_type="text/plain;charset=UTF-8")
@APP.route('/<repo>/request-pull/<requestid>/comment/<commit>/<row>',
methods=('GET', 'POST'))
@APP.route('/fork/<username>/<repo>/request-pull/<requestid>/comment/'
'<commit>/<row>', methods=('GET', 'POST'))
def pull_request_add_comment(repo, requestid, commit, row, username=None):
""" Add a comment to a commit in a pull-request.
"""
repo = progit.lib.get_project(SESSION, repo, user=username)
if not repo:
flask.abort(404, 'Project not found')
request = progit.lib.get_pull_request(
SESSION, project_id=repo.id, requestid=requestid)
repo = request.repo_from
if not request:
flask.abort(404, 'Pull-request not found')
form = progit.forms.AddPullRequestCommentForm()
form.commit.data = commit
form.requestid.data = requestid
form.row.data = row
if form.validate_on_submit():
comment = form.comment.data
try:
message = progit.lib.add_pull_request_comment(
SESSION,
request=request,
commit=commit,
row=row,
comment=comment,
user=flask.g.fas_user.username,
)
SESSION.commit()
flask.flash(message)
except SQLAlchemyError, err: # pragma: no cover
SESSION.rollback()
flask.flash(str(err), 'error')
return flask.redirect(flask.url_for(
'request_pull', username=username,
repo=repo.name, requestid=requestid))
return flask.render_template(
'pull_request_comment.html',
select='requests',
requestid=requestid,
repo=repo,
username=username,
commit=commit,
row=row,
form=form,
)
@APP.route('/<repo>/request-pull/merge/<requestid>')
@APP.route('/fork/<username>/<repo>/request-pull/merge/<requestid>')
def merge_request_pull(repo, requestid, username=None):
""" Request pulling the changes from the fork into the project.
"""
form = progit.forms.ConfirmationForm()
if not form.validate_on_submit():
flask.flash('Invalid input submitted', 'error')
return flask.redirect(flask.url_for('view_repo', repo=repo.name))
repo = progit.lib.get_project(SESSION, repo, user=username)
if not repo:
flask.abort(404, 'Project not found')
request = progit.lib.get_pull_request(
SESSION, project_id=repo.id, requestid=requestid)
if not request:
flask.abort(404, 'Pull-request not found')
if not is_repo_admin(repo):
flask.abort(
403,
'You are not allowed to merge pull-request for this project')
error_output = flask.url_for(
'request_pull', repo=repo.name, requestid=requestid)
if username:
error_output = flask.url_for(
'fork_request_pull',
repo=repo.name,
requestid=requestid,
username=username)
# Get the fork
if request.repo_from.is_fork:
repopath = os.path.join(
APP.config['FORK_FOLDER'], request.repo_from.path)
else:
repopath = os.path.join(
APP.config['GIT_FOLDER'], request.repo_from.path)
fork_obj = pygit2.Repository(repopath)
# Get the original repo
parentpath = os.path.join(APP.config['GIT_FOLDER'], request.repo.path)
orig_repo = pygit2.Repository(parentpath)
# Clone the original repo into a temp folder
newpath = tempfile.mkdtemp()
new_repo = pygit2.clone_repository(parentpath, newpath)
repo_commit = fork_obj[request.stop_id]
ori_remote = new_repo.remotes[0]
# Add the fork as remote repo
reponame = '%s_%s' % (request.user.user, repo.name)
remote = new_repo.create_remote(reponame, repopath)
# Fetch the commits
remote.fetch()
merge = new_repo.merge(repo_commit.oid)
master_ref = new_repo.lookup_reference('HEAD').resolve()
refname = '%s:%s' % (master_ref.name, master_ref.name)
if merge.is_uptodate:
flask.flash('Nothing to do, changes were already merged', 'error')
progit.lib.close_pull_request(SESSION, request)
SESSION.commit()
return flask.redirect(error_output)
elif merge.is_fastforward:
master_ref.target = merge.fastforward_oid
ori_remote.push(refname)
flask.flash('Changes merged!')
else:
new_repo.index.write()
try:
tree = new_repo.index.write_tree()
except pygit2.GitError:
shutil.rmtree(newpath)
flask.flash('Merge conflicts!', 'error')
return flask.redirect(flask.url_for(
'request_pull',
repo=repo.name,
username=username,
requestid=requestid))
head = new_repo.lookup_reference('HEAD').get_object()
commit = new_repo[head.oid]
sha = new_repo.create_commit(
'refs/heads/master',
repo_commit.author,
repo_commit.committer,
'Merge #%s `%s`' % (request.id, request.title),
tree,
[head.hex, repo_commit.oid.hex])
ori_remote.push(refname)
flask.flash('Changes merged!')
# Update status
progit.lib.close_pull_request(SESSION, request)
SESSION.commit()
shutil.rmtree(newpath)
return flask.redirect(flask.url_for('view_repo', repo=repo.name))
@APP.route('/<repo>/request-pull/cancel/<requestid>',
methods=('GET', 'POST'))
@APP.route('/fork/<username>/<repo>/request-pull/cancel/<requestid>',
methods=('GET', 'POST'))
def cancel_request_pull(repo, requestid, username=None):
""" Cancel request pulling request.
"""
form = progit.forms.ConfirmationForm()
if form.validate_on_submit():
repo = progit.lib.get_project(SESSION, repo, user=username)
if not repo:
flask.abort(404, 'Project not found')
request = progit.lib.get_pull_request(
SESSION, project_id=repo.id, requestid=requestid)
if not request:
flask.abort(404, 'Pull-request not found')
if not is_repo_admin(repo):
flask.abort(
403,
'You are not allowed to cancel pull-request for this project')
progit.lib.close_pull_request(SESSION, request, merged=False)
SESSION.commit()
flask.flash('Request pull canceled!')
else:
flask.flash('Invalid input submitted', 'error')
return flask.redirect(flask.url_for('view_repo', repo=repo.name))
## Specific actions
@APP.route('/do_fork/<repo>')
@APP.route('/do_fork/<username>/<repo>')
@cla_required
def fork_project(repo, username=None):
""" Fork the project specified into the user's namespace
"""
repo = progit.lib.get_project(SESSION, repo, user=username)
if repo is None:
flask.abort(404)
try:
message = progit.lib.fork_project(
session=SESSION,
repo=repo,
gitfolder=APP.config['GIT_FOLDER'],
forkfolder=APP.config['FORK_FOLDER'],
docfolder=APP.config['DOCS_FOLDER'],
ticketfolder=APP.config['TICKETS_FOLDER'],
user=flask.g.fas_user.username)
SESSION.commit()
generate_gitolite_acls()
flask.flash(message)
return flask.redirect(
flask.url_for(
'view_repo',
username=flask.g.fas_user.username,
repo=repo.name)
)
except progit.exceptions.ProgitException, err:
flask.flash(str(err), 'error')
except SQLAlchemyError, err: # pragma: no cover
SESSION.rollback()
flask.flash(str(err), 'error')
return flask.redirect(flask.url_for('view_repo', repo=repo.name))
@APP.route('/<repo>/request-pull/new',
methods=('GET', 'POST'))
@APP.route('/<repo>/request-pull/new/<commitid>',
methods=('GET', 'POST'))
@APP.route('/fork/<username>/<repo>/request-pull/new',
methods=('GET', 'POST'))
@APP.route('/fork/<username>/<repo>/request-pull/new/<commitid>',
methods=('GET', 'POST'))
@cla_required
def new_request_pull(repo, username=None, commitid=None):
""" Request pulling the changes from the fork into the project.
"""
repo = progit.lib.get_project(SESSION, repo, user=username)
if not repo:
flask.abort(404)
if not is_repo_admin(repo):
flask.abort(
403,
'You are not allowed to create pull-requests for this project')
if repo.is_fork:
repopath = os.path.join(APP.config['FORK_FOLDER'], repo.path)
else:
repopath = os.path.join(APP.config['GIT_FOLDER'], repo.path)
repo_obj = pygit2.Repository(repopath)
if repo.parent:
parentname = os.path.join(APP.config['GIT_FOLDER'], repo.parent.path)
else:
parentname = os.path.join(APP.config['GIT_FOLDER'], repo.path)
orig_repo = pygit2.Repository(parentname)
frombranchname = flask.request.args.get('from_branch', 'master')
frombranch = repo_obj.lookup_branch(frombranchname)
if not frombranch:
flask.flash('Branch %s does not exist' % frombranchname, 'error')
frombranchname = 'master'
branchname = flask.request.args.get('branch', 'master')
branch = orig_repo.lookup_branch(branchname)
if not branch:
flask.flash('Branch %s does not exist' % branchname, 'error')
branchname = 'master'
if commitid is None:
commitid = repo_obj.head.target
if branchname:
branch = repo_obj.lookup_branch(frombranchname)
commitid = branch.get_object().hex
diff_commits = []
diffs = []
if not repo_obj.is_empty and not orig_repo.is_empty:
orig_commit = orig_repo[
orig_repo.lookup_branch(branchname).get_object().hex]
master_commits = [
commit.oid.hex
for commit in orig_repo.walk(
orig_repo.lookup_branch(branchname).get_object().hex,
pygit2.GIT_SORT_TIME)
]
repo_commit = repo_obj[commitid]
for commit in repo_obj.walk(
repo_commit.oid.hex, pygit2.GIT_SORT_TIME):
if commit.oid.hex in master_commits:
break
diff_commits.append(commit)
diffs.append(
repo_obj.diff(
repo_obj.revparse_single(commit.parents[0].oid.hex),
repo_obj.revparse_single(commit.oid.hex)
)
)
elif orig_repo.is_empty:
orig_commit = None
repo_commit = repo_obj[repo_obj.head.target]
diff = repo_commit.tree.diff_to_tree(swap=True)
else:
flask.flash(
'Fork is empty, there are no commits to request pulling',
'error')
return flask.redirect(flask.url_for(
'view_repo', username=username, repo=repo.name))
html_diffs = []
for diff in diffs:
html_diffs.append(
highlight(
diff.patch,
DiffLexer(),
HtmlFormatter(
noclasses=True,
style="tango",)
)
)
form = progit.forms.RequestPullForm()
if form.validate_on_submit():
try:
if orig_commit:
orig_commit = orig_commit.oid.hex
parent = repo
if repo.parent:
parent = repo.parent
message = progit.lib.new_pull_request(
SESSION,
repo=parent,
repo_from=repo,
branch=branchname,
title=form.title.data,
start_id=orig_commit,
stop_id=repo_commit.oid.hex,
user=flask.g.fas_user.username,
)
SESSION.commit()
flask.flash(message)
if not parent.is_fork:
url = flask.url_for(
'request_pulls', username=None, repo=parent.name)
else:
url = flask.url_for(
'request_pulls', username=parent.user, repo=parent.name)
return flask.redirect(url)
except progit.exceptions.ProgitException, err:
flask.flash(str(err), 'error')
except SQLAlchemyError, err: # pragma: no cover
SESSION.rollback()
flask.flash(str(err), 'error')
return flask.render_template(
'pull_request.html',
select='requests',
repo=repo,
username=username,
commitid=commitid,
repo_obj=repo_obj,
orig_repo=orig_repo,
diff_commits=diff_commits,
diffs=diffs,
html_diffs=html_diffs,
form=form,
branches=[
branch.replace('refs/heads/', '')
for branch in sorted(orig_repo.listall_references())
],
branchname=branchname,
)