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Commit 6cdaa27a authored by Jacob Vosmaer's avatar Jacob Vosmaer
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Move GitOperationService to Gitlab::Git

parent 129d6bf2
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Showing with 196 additions and 192 deletions
app/models/repository.rb
View file @ 6cdaa27a
......@@ -20,7 +20,6 @@ class Repository
delegate :ref_name_for_sha, to: :raw_repository
CommitError = Class.new(StandardError)
CreateTreeError = Class.new(StandardError)
# Methods that cache data from the Git repository.
......@@ -171,7 +170,7 @@ class Repository
return false unless newrev
GitOperationService.new(user, raw_repository).add_branch(branch_name, newrev)
Gitlab::Git::OperationService.new(user, raw_repository).add_branch(branch_name, newrev)
after_create_branch
find_branch(branch_name)
......@@ -183,7 +182,7 @@ class Repository
return false unless newrev
GitOperationService.new(user, raw_repository).add_tag(tag_name, newrev, options)
Gitlab::Git::OperationService.new(user, raw_repository).add_tag(tag_name, newrev, options)
find_tag(tag_name)
end
......@@ -192,7 +191,7 @@ class Repository
before_remove_branch
branch = find_branch(branch_name)
GitOperationService.new(user, raw_repository).rm_branch(branch)
Gitlab::Git::OperationService.new(user, raw_repository).rm_branch(branch)
after_remove_branch
true
......@@ -202,7 +201,7 @@ class Repository
before_remove_tag
tag = find_tag(tag_name)
GitOperationService.new(user, raw_repository).rm_tag(tag)
Gitlab::Git::OperationService.new(user, raw_repository).rm_tag(tag)
after_remove_tag
true
......@@ -772,7 +771,7 @@ class Repository
end
def with_branch(user, *args)
result = GitOperationService.new(user, raw_repository).with_branch(*args) do |start_commit|
result = Gitlab::Git::OperationService.new(user, raw_repository).with_branch(*args) do |start_commit|
yield start_commit
end
......@@ -868,7 +867,7 @@ class Repository
merge_request.update(in_progress_merge_commit_sha: commit_id)
commit_id
end
rescue Repository::CommitError # when merge_index.conflicts?
rescue Gitlab::Git::CommitError # when merge_index.conflicts?
false
end
......
app/services/commits/create_service.rb
View file @ 6cdaa27a
......@@ -17,7 +17,7 @@ module Commits
new_commit = create_commit!
success(result: new_commit)
rescue ValidationError, ChangeError, Gitlab::Git::Index::IndexError, Repository::CommitError, Gitlab::Git::HooksService::PreReceiveError => ex
rescue ValidationError, ChangeError, Gitlab::Git::Index::IndexError, Gitlab::Git::CommitError, Gitlab::Git::HooksService::PreReceiveError => ex
error(ex.message)
end
......
app/services/git_operation_service.rb deleted 100644 → 0
View file @ 129d6bf2
class GitOperationService
attr_reader :committer, :repository
def initialize(committer, new_repository)
committer = Gitlab::Git::Committer.from_user(committer) if committer.is_a?(User)
@committer = committer
# Refactoring aid
unless new_repository.is_a?(Gitlab::Git::Repository)
raise "expected a Gitlab::Git::Repository, got #{new_repository}"
end
@repository = new_repository
end
def add_branch(branch_name, newrev)
ref = Gitlab::Git::BRANCH_REF_PREFIX + branch_name
oldrev = Gitlab::Git::BLANK_SHA
update_ref_in_hooks(ref, newrev, oldrev)
end
def rm_branch(branch)
ref = Gitlab::Git::BRANCH_REF_PREFIX + branch.name
oldrev = branch.target
newrev = Gitlab::Git::BLANK_SHA
update_ref_in_hooks(ref, newrev, oldrev)
end
def add_tag(tag_name, newrev, options = {})
ref = Gitlab::Git::TAG_REF_PREFIX + tag_name
oldrev = Gitlab::Git::BLANK_SHA
with_hooks(ref, newrev, oldrev) do |service|
# We want to pass the OID of the tag object to the hooks. For an
# annotated tag we don't know that OID until after the tag object
# (raw_tag) is created in the repository. That is why we have to
# update the value after creating the tag object. Only the
# "post-receive" hook will receive the correct value in this case.
raw_tag = repository.rugged.tags.create(tag_name, newrev, options)
service.newrev = raw_tag.target_id
end
end
def rm_tag(tag)
ref = Gitlab::Git::TAG_REF_PREFIX + tag.name
oldrev = tag.target
newrev = Gitlab::Git::BLANK_SHA
update_ref_in_hooks(ref, newrev, oldrev) do
repository.rugged.tags.delete(tag_name)
end
end
# Whenever `start_branch_name` is passed, if `branch_name` doesn't exist,
# it would be created from `start_branch_name`.
# If `start_project` is passed, and the branch doesn't exist,
# it would try to find the commits from it instead of current repository.
def with_branch(
branch_name,
start_branch_name: nil,
start_repository: repository,
&block)
# Refactoring aid
unless start_repository.is_a?(Gitlab::Git::Repository)
raise "expected a Gitlab::Git::Repository, got #{start_repository}"
end
start_branch_name = nil if start_repository.empty_repo?
if start_branch_name && !start_repository.branch_exists?(start_branch_name)
raise ArgumentError, "Cannot find branch #{start_branch_name} in #{start_repository.full_path}"
end
update_branch_with_hooks(branch_name) do
repository.with_repo_branch_commit(
start_repository,
start_branch_name || branch_name,
&block)
end
end
private
# Returns [newrev, should_run_after_create, should_run_after_create_branch]
def update_branch_with_hooks(branch_name)
update_autocrlf_option
was_empty = repository.empty?
# Make commit
newrev = yield
unless newrev
raise Repository::CommitError.new('Failed to create commit')
end
branch = repository.find_branch(branch_name)
oldrev = find_oldrev_from_branch(newrev, branch)
ref = Gitlab::Git::BRANCH_REF_PREFIX + branch_name
update_ref_in_hooks(ref, newrev, oldrev)
[newrev, was_empty, was_empty || Gitlab::Git.blank_ref?(oldrev)]
end
def find_oldrev_from_branch(newrev, branch)
return Gitlab::Git::BLANK_SHA unless branch
oldrev = branch.target
if oldrev == repository.rugged.merge_base(newrev, branch.target)
oldrev
else
raise Repository::CommitError.new('Branch diverged')
end
end
def update_ref_in_hooks(ref, newrev, oldrev)
with_hooks(ref, newrev, oldrev) do
update_ref(ref, newrev, oldrev)
end
end
def with_hooks(ref, newrev, oldrev)
Gitlab::Git::HooksService.new.execute(
committer,
repository,
oldrev,
newrev,
ref) do |service|
yield(service)
end
end
# Gitaly note: JV: wait with migrating #update_ref until we know how to migrate its call sites.
def update_ref(ref, newrev, oldrev)
# We use 'git update-ref' because libgit2/rugged currently does not
# offer 'compare and swap' ref updates. Without compare-and-swap we can
# (and have!) accidentally reset the ref to an earlier state, clobbering
# commits. See also https://github.com/libgit2/libgit2/issues/1534.
command = %W[#{Gitlab.config.git.bin_path} update-ref --stdin -z]
_, status = Gitlab::Popen.popen(
command,
repository.path) do |stdin|
stdin.write("update #{ref}\x00#{newrev}\x00#{oldrev}\x00")
end
unless status.zero?
raise Repository::CommitError.new(
"Could not update branch #{Gitlab::Git.branch_name(ref)}." \
" Please refresh and try again.")
end
end
def update_autocrlf_option
if repository.autocrlf != :input
repository.autocrlf = :input
end
end
end
lib/gitlab/git.rb
View file @ 6cdaa27a
......@@ -5,6 +5,7 @@ module Gitlab
BRANCH_REF_PREFIX = "refs/heads/".freeze
CommandError = Class.new(StandardError)
CommitError = Class.new(StandardError)
class << self
include Gitlab::EncodingHelper
......
lib/gitlab/git/operation_service.rb 0 → 100644
View file @ 6cdaa27a
module Gitlab
module Git
class OperationService
attr_reader :committer, :repository
def initialize(committer, new_repository)
committer = Gitlab::Git::Committer.from_user(committer) if committer.is_a?(User)
@committer = committer
# Refactoring aid
unless new_repository.is_a?(Gitlab::Git::Repository)
raise "expected a Gitlab::Git::Repository, got #{new_repository}"
end
@repository = new_repository
end
def add_branch(branch_name, newrev)
ref = Gitlab::Git::BRANCH_REF_PREFIX + branch_name
oldrev = Gitlab::Git::BLANK_SHA
update_ref_in_hooks(ref, newrev, oldrev)
end
def rm_branch(branch)
ref = Gitlab::Git::BRANCH_REF_PREFIX + branch.name
oldrev = branch.target
newrev = Gitlab::Git::BLANK_SHA
update_ref_in_hooks(ref, newrev, oldrev)
end
def add_tag(tag_name, newrev, options = {})
ref = Gitlab::Git::TAG_REF_PREFIX + tag_name
oldrev = Gitlab::Git::BLANK_SHA
with_hooks(ref, newrev, oldrev) do |service|
# We want to pass the OID of the tag object to the hooks. For an
# annotated tag we don't know that OID until after the tag object
# (raw_tag) is created in the repository. That is why we have to
# update the value after creating the tag object. Only the
# "post-receive" hook will receive the correct value in this case.
raw_tag = repository.rugged.tags.create(tag_name, newrev, options)
service.newrev = raw_tag.target_id
end
end
def rm_tag(tag)
ref = Gitlab::Git::TAG_REF_PREFIX + tag.name
oldrev = tag.target
newrev = Gitlab::Git::BLANK_SHA
update_ref_in_hooks(ref, newrev, oldrev) do
repository.rugged.tags.delete(tag_name)
end
end
# Whenever `start_branch_name` is passed, if `branch_name` doesn't exist,
# it would be created from `start_branch_name`.
# If `start_project` is passed, and the branch doesn't exist,
# it would try to find the commits from it instead of current repository.
def with_branch(
branch_name,
start_branch_name: nil,
start_repository: repository,
&block)
# Refactoring aid
unless start_repository.is_a?(Gitlab::Git::Repository)
raise "expected a Gitlab::Git::Repository, got #{start_repository}"
end
start_branch_name = nil if start_repository.empty_repo?
if start_branch_name && !start_repository.branch_exists?(start_branch_name)
raise ArgumentError, "Cannot find branch #{start_branch_name} in #{start_repository.full_path}"
end
update_branch_with_hooks(branch_name) do
repository.with_repo_branch_commit(
start_repository,
start_branch_name || branch_name,
&block)
end
end
private
# Returns [newrev, should_run_after_create, should_run_after_create_branch]
def update_branch_with_hooks(branch_name)
update_autocrlf_option
was_empty = repository.empty?
# Make commit
newrev = yield
unless newrev
raise Gitlab::Git::CommitError.new('Failed to create commit')
end
branch = repository.find_branch(branch_name)
oldrev = find_oldrev_from_branch(newrev, branch)
ref = Gitlab::Git::BRANCH_REF_PREFIX + branch_name
update_ref_in_hooks(ref, newrev, oldrev)
[newrev, was_empty, was_empty || Gitlab::Git.blank_ref?(oldrev)]
end
def find_oldrev_from_branch(newrev, branch)
return Gitlab::Git::BLANK_SHA unless branch
oldrev = branch.target
if oldrev == repository.rugged.merge_base(newrev, branch.target)
oldrev
else
raise Gitlab::Git::CommitError.new('Branch diverged')
end
end
def update_ref_in_hooks(ref, newrev, oldrev)
with_hooks(ref, newrev, oldrev) do
update_ref(ref, newrev, oldrev)
end
end
def with_hooks(ref, newrev, oldrev)
Gitlab::Git::HooksService.new.execute(
committer,
repository,
oldrev,
newrev,
ref) do |service|
yield(service)
end
end
# Gitaly note: JV: wait with migrating #update_ref until we know how to migrate its call sites.
def update_ref(ref, newrev, oldrev)
# We use 'git update-ref' because libgit2/rugged currently does not
# offer 'compare and swap' ref updates. Without compare-and-swap we can
# (and have!) accidentally reset the ref to an earlier state, clobbering
# commits. See also https://github.com/libgit2/libgit2/issues/1534.
command = %W[#{Gitlab.config.git.bin_path} update-ref --stdin -z]
_, status = Gitlab::Popen.popen(
command,
repository.path) do |stdin|
stdin.write("update #{ref}\x00#{newrev}\x00#{oldrev}\x00")
end
unless status.zero?
raise Gitlab::Git::CommitError.new(
"Could not update branch #{Gitlab::Git.branch_name(ref)}." \
" Please refresh and try again.")
end
end
def update_autocrlf_option
if repository.autocrlf != :input
repository.autocrlf = :input
end
end
end
end
end
spec/models/repository_spec.rb
View file @ 6cdaa27a
......@@ -938,14 +938,14 @@ describe Repository, models: true do
it 'runs without errors' do
expect do
GitOperationService.new(committer, repository.raw_repository).with_branch('feature') do
Gitlab::Git::OperationService.new(committer, repository.raw_repository).with_branch('feature') do
new_rev
end
end.not_to raise_error
end
it 'ensures the autocrlf Git option is set to :input' do
service = GitOperationService.new(committer, repository.raw_repository)
service = Gitlab::Git::OperationService.new(committer, repository.raw_repository)
expect(service).to receive(:update_autocrlf_option)
......@@ -956,7 +956,7 @@ describe Repository, models: true do
it 'updates the head' do
expect(repository.find_branch('feature').dereferenced_target.id).to eq(old_rev)
GitOperationService.new(committer, repository.raw_repository).with_branch('feature') do
Gitlab::Git::OperationService.new(committer, repository.raw_repository).with_branch('feature') do
new_rev
end
......@@ -974,7 +974,7 @@ describe Repository, models: true do
expect(target_project.repository.raw_repository).to receive(:fetch_ref)
.and_call_original
GitOperationService.new(committer, target_repository.raw_repository)
Gitlab::Git::OperationService.new(committer, target_repository.raw_repository)
.with_branch(
'master',
start_repository: project.repository.raw_repository,
......@@ -990,7 +990,7 @@ describe Repository, models: true do
it 'does not fetch_ref and just pass the commit' do
expect(target_repository).not_to receive(:fetch_ref)
GitOperationService.new(committer, target_repository.raw_repository)
Gitlab::Git::OperationService.new(committer, target_repository.raw_repository)
.with_branch('feature', start_repository: project.repository.raw_repository) { new_rev }
end
end
......@@ -1009,7 +1009,7 @@ describe Repository, models: true do
end
expect do
GitOperationService.new(committer, target_project.repository.raw_repository)
Gitlab::Git::OperationService.new(committer, target_project.repository.raw_repository)
.with_branch('feature',
start_repository: project.repository.raw_repository,
&:itself)
......@@ -1031,7 +1031,7 @@ describe Repository, models: true do
repository.add_branch(user, branch, old_rev)
expect do
GitOperationService.new(committer, repository.raw_repository).with_branch(branch) do
Gitlab::Git::OperationService.new(committer, repository.raw_repository).with_branch(branch) do
new_rev
end
end.not_to raise_error
......@@ -1049,10 +1049,10 @@ describe Repository, models: true do
# Updating 'master' to new_rev would lose the commits on 'master' that
# are not contained in new_rev. This should not be allowed.
expect do
GitOperationService.new(committer, repository.raw_repository).with_branch(branch) do
Gitlab::Git::OperationService.new(committer, repository.raw_repository).with_branch(branch) do
new_rev
end
end.to raise_error(Repository::CommitError)
end.to raise_error(Gitlab::Git::CommitError)
end
end
......@@ -1061,7 +1061,7 @@ describe Repository, models: true do
allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([false, ''])
expect do
GitOperationService.new(committer, repository.raw_repository).with_branch('feature') do
Gitlab::Git::OperationService.new(committer, repository.raw_repository).with_branch('feature') do
new_rev
end
end.to raise_error(Gitlab::Git::HooksService::PreReceiveError)
......@@ -1160,7 +1160,7 @@ describe Repository, models: true do
end
it 'sets autocrlf to :input' do
GitOperationService.new(nil, repository.raw_repository).send(:update_autocrlf_option)
Gitlab::Git::OperationService.new(nil, repository.raw_repository).send(:update_autocrlf_option)
expect(repository.raw_repository.autocrlf).to eq(:input)
end
......@@ -1175,7 +1175,7 @@ describe Repository, models: true do
expect(repository.raw_repository).not_to receive(:autocrlf=)
.with(:input)
GitOperationService.new(nil, repository.raw_repository).send(:update_autocrlf_option)
Gitlab::Git::OperationService.new(nil, repository.raw_repository).send(:update_autocrlf_option)
end
end
end
......@@ -1758,15 +1758,15 @@ describe Repository, models: true do
describe '#update_ref' do
it 'can create a ref' do
GitOperationService.new(nil, repository.raw_repository).send(:update_ref, 'refs/heads/foobar', 'refs/heads/master', Gitlab::Git::BLANK_SHA)
Gitlab::Git::OperationService.new(nil, repository.raw_repository).send(:update_ref, 'refs/heads/foobar', 'refs/heads/master', Gitlab::Git::BLANK_SHA)
expect(repository.find_branch('foobar')).not_to be_nil
end
it 'raises CommitError when the ref update fails' do
expect do
GitOperationService.new(nil, repository.raw_repository).send(:update_ref, 'refs/heads/master', 'refs/heads/master', Gitlab::Git::BLANK_SHA)
end.to raise_error(Repository::CommitError)
Gitlab::Git::OperationService.new(nil, repository.raw_repository).send(:update_ref, 'refs/heads/master', 'refs/heads/master', Gitlab::Git::BLANK_SHA)
end.to raise_error(Gitlab::Git::CommitError)
end
end
......
spec/requests/api/files_spec.rb
View file @ 6cdaa27a
......@@ -215,7 +215,7 @@ describe API::Files do
it "returns a 400 if editor fails to create file" do
allow_any_instance_of(Repository).to receive(:create_file)
.and_raise(Repository::CommitError, 'Cannot create file')
.and_raise(Gitlab::Git::CommitError, 'Cannot create file')
post api(route("any%2Etxt"), user), valid_params
......@@ -330,7 +330,7 @@ describe API::Files do
end
it "returns a 400 if fails to delete file" do
allow_any_instance_of(Repository).to receive(:delete_file).and_raise(Repository::CommitError, 'Cannot delete file')
allow_any_instance_of(Repository).to receive(:delete_file).and_raise(Gitlab::Git::CommitError, 'Cannot delete file')
delete api(route(file_path), user), valid_params
......
spec/requests/api/v3/files_spec.rb
View file @ 6cdaa27a
......@@ -127,7 +127,7 @@ describe API::V3::Files do
it "returns a 400 if editor fails to create file" do
allow_any_instance_of(Repository).to receive(:create_file)
.and_raise(Repository::CommitError, 'Cannot create file')
.and_raise(Gitlab::Git::CommitError, 'Cannot create file')
post v3_api("/projects/#{project.id}/repository/files", user), valid_params
......@@ -228,7 +228,7 @@ describe API::V3::Files do
end
it "returns a 400 if fails to delete file" do
allow_any_instance_of(Repository).to receive(:delete_file).and_raise(Repository::CommitError, 'Cannot delete file')
allow_any_instance_of(Repository).to receive(:delete_file).and_raise(Gitlab::Git::CommitError, 'Cannot delete file')
delete v3_api("/projects/#{project.id}/repository/files", user), valid_params
......
spec/workers/git_garbage_collect_worker_spec.rb
View file @ 6cdaa27a
......@@ -143,7 +143,7 @@ describe GitGarbageCollectWorker do
tree: old_commit.tree,
parents: [old_commit]
)
GitOperationService.new(nil, project.repository.raw_repository).send(
Gitlab::Git::OperationService.new(nil, project.repository.raw_repository).send(
:update_ref,
"refs/heads/#{SecureRandom.hex(6)}",
new_commit_sha,
......
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