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# remote.py
# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
#
# This module is part of GitPython and is released under
# the BSD License: http://www.opensource.org/licenses/bsd-license.php
# Module implementing a remote object allowing easy access to git remotes
import
re
from
.
config
import
(
SectionConstraint
,
cp
,
)
from
.
refs
import
(
Head
,
Reference
,
RemoteReference
,
SymbolicReference
,
TagReference
)
from
git
.
util
import
(
LazyMixin
,
Iterable
,
IterableList
,
RemoteProgress
,
CallableRemoteProgress
)
from
git
.
util
import
(
join_path
,
)
from
git
.
cmd
import
handle_process_output
,
Git
from
gitdb
.
util
import
join
from
git
.
compat
import
(
defenc
,
force_text
,
is_win
)
import
logging
from
git
.
exc
import
GitCommandError
log
=
logging
.
getLogger
(
'git.remote'
)
__all__
=
(
'RemoteProgress'
,
'PushInfo'
,
'FetchInfo'
,
'Remote'
)
#{ Utilities
def
add_progress
(
kwargs
,
git
,
progress
):
"""Add the --progress flag to the given kwargs dict if supported by the
git command. If the actual progress in the given progress instance is not
given, we do not request any progress
:return: possibly altered kwargs"""
if
progress
is
not
None
:
v
=
git
.
version_info
[:
2
]
if
v
>=
(
1
,
7
):
kwargs
[
'progress'
]
=
True
# END handle --progress
# END handle progress
return
kwargs
#} END utilities
def
to_progress_instance
(
progress
):
"""Given the 'progress' return a suitable object derived from
RemoteProgress().
"""
# new API only needs progress as a function
if
callable
(
progress
):
return
CallableRemoteProgress
(
progress
)
# where None is passed create a parser that eats the progress
elif
progress
is
None
:
return
RemoteProgress
()
# assume its the old API with an instance of RemoteProgress.
else
:
return
progress
class
PushInfo
(
object
):
"""
Carries information about the result of a push operation of a single head::
info = remote.push()[0]
info.flags # bitflags providing more information about the result
info.local_ref # Reference pointing to the local reference that was pushed
# It is None if the ref was deleted.
info.remote_ref_string # path to the remote reference located on the remote side
info.remote_ref # Remote Reference on the local side corresponding to
# the remote_ref_string. It can be a TagReference as well.
info.old_commit # commit at which the remote_ref was standing before we pushed
# it to local_ref.commit. Will be None if an error was indicated
info.summary # summary line providing human readable english text about the push
"""
__slots__
=
(
'local_ref'
,
'remote_ref_string'
,
'flags'
,
'_old_commit_sha'
,
'_remote'
,
'summary'
)
NEW_TAG
,
NEW_HEAD
,
NO_MATCH
,
REJECTED
,
REMOTE_REJECTED
,
REMOTE_FAILURE
,
DELETED
, \
FORCED_UPDATE
,
FAST_FORWARD
,
UP_TO_DATE
,
ERROR
=
[
1
<<
x
for
x
in
range
(
11
)]
_flag_map
=
{
'X'
:
NO_MATCH
,
'-'
:
DELETED
,
'*'
:
0
,
'+'
:
FORCED_UPDATE
,
' '
:
FAST_FORWARD
,
'='
:
UP_TO_DATE
,
'!'
:
ERROR
}
def
__init__
(
self
,
flags
,
local_ref
,
remote_ref_string
,
remote
,
old_commit
=
None
,
summary
=
''
):
""" Initialize a new instance """
self
.
flags
=
flags
self
.
local_ref
=
local_ref
self
.
remote_ref_string
=
remote_ref_string
self
.
_remote
=
remote
self
.
_old_commit_sha
=
old_commit
self
.
summary
=
summary
@
property
def
old_commit
(
self
):
return
self
.
_old_commit_sha
and
self
.
_remote
.
repo
.
commit
(
self
.
_old_commit_sha
)
or
None
@
property
def
remote_ref
(
self
):
"""
:return:
Remote Reference or TagReference in the local repository corresponding
to the remote_ref_string kept in this instance."""
# translate heads to a local remote, tags stay as they are
if
self
.
remote_ref_string
.
startswith
(
"refs/tags"
):
return
TagReference
(
self
.
_remote
.
repo
,
self
.
remote_ref_string
)
elif
self
.
remote_ref_string
.
startswith
(
"refs/heads"
):
remote_ref
=
Reference
(
self
.
_remote
.
repo
,
self
.
remote_ref_string
)
return
RemoteReference
(
self
.
_remote
.
repo
,
"refs/remotes/%s/%s"
%
(
str
(
self
.
_remote
),
remote_ref
.
name
))
else
:
raise
ValueError
(
"Could not handle remote ref: %r"
%
self
.
remote_ref_string
)
# END
@
classmethod
def
_from_line
(
cls
,
remote
,
line
):
"""Create a new PushInfo instance as parsed from line which is expected to be like
refs/heads/master:refs/heads/master 05d2687..1d0568e as bytes"""
control_character
,
from_to
,
summary
=
line
.
split
(
'
\t
'
,
3
)
flags
=
0
# control character handling
try
:
flags
|=
cls
.
_flag_map
[
control_character
]
except
KeyError
:
raise
ValueError
(
"Control character %r unknown as parsed from line %r"
%
(
control_character
,
line
))
# END handle control character
# from_to handling
from_ref_string
,
to_ref_string
=
from_to
.
split
(
':'
)
if
flags
&
cls
.
DELETED
:
from_ref
=
None
else
:
from_ref
=
Reference
.
from_path
(
remote
.
repo
,
from_ref_string
)
# commit handling, could be message or commit info
old_commit
=
None
if
summary
.
startswith
(
'['
):
if
"[rejected]"
in
summary
:
flags
|=
cls
.
REJECTED
elif
"[remote rejected]"
in
summary
:
flags
|=
cls
.
REMOTE_REJECTED
elif
"[remote failure]"
in
summary
:
flags
|=
cls
.
REMOTE_FAILURE
elif
"[no match]"
in
summary
:
flags
|=
cls
.
ERROR
elif
"[new tag]"
in
summary
:
flags
|=
cls
.
NEW_TAG
elif
"[new branch]"
in
summary
:
flags
|=
cls
.
NEW_HEAD
# uptodate encoded in control character
else
:
# fast-forward or forced update - was encoded in control character,
# but we parse the old and new commit
split_token
=
"..."
if
control_character
==
" "
:
split_token
=
".."
old_sha
,
new_sha
=
summary
.
split
(
' '
)[
0
].
split
(
split_token
)
# @UnusedVariable
# have to use constructor here as the sha usually is abbreviated
old_commit
=
old_sha
# END message handling
return
PushInfo
(
flags
,
from_ref
,
to_ref_string
,
remote
,
old_commit
,
summary
)
class
FetchInfo
(
object
):
"""
Carries information about the results of a fetch operation of a single head::
info = remote.fetch()[0]
info.ref # Symbolic Reference or RemoteReference to the changed
# remote head or FETCH_HEAD
info.flags # additional flags to be & with enumeration members,
# i.e. info.flags & info.REJECTED
# is 0 if ref is SymbolicReference
info.note # additional notes given by git-fetch intended for the user
info.old_commit # if info.flags & info.FORCED_UPDATE|info.FAST_FORWARD,
# field is set to the previous location of ref, otherwise None
info.remote_ref_path # The path from which we fetched on the remote. It's the remote's version of our info.ref
"""
__slots__
=
(
'ref'
,
'old_commit'
,
'flags'
,
'note'
,
'remote_ref_path'
)
NEW_TAG
,
NEW_HEAD
,
HEAD_UPTODATE
,
TAG_UPDATE
,
REJECTED
,
FORCED_UPDATE
, \
FAST_FORWARD
,
ERROR
=
[
1
<<
x
for
x
in
range
(
8
)]
re_fetch_result
=
re
.
compile
(
'^\s*(.) (\[?[\w\s\.$@]+\]?)\s+(.+) -> ([^\s]+)( \(.*\)?$)?'
)
_flag_map
=
{
'!'
:
ERROR
,
'+'
:
FORCED_UPDATE
,
'-'
:
TAG_UPDATE
,
'*'
:
0
,
'='
:
HEAD_UPTODATE
,
' '
:
FAST_FORWARD
}
def
__init__
(
self
,
ref
,
flags
,
note
=
''
,
old_commit
=
None
,
remote_ref_path
=
None
):
"""
Initialize a new instance
"""
self
.
ref
=
ref
self
.
flags
=
flags
self
.
note
=
note
self
.
old_commit
=
old_commit
self
.
remote_ref_path
=
remote_ref_path
def
__str__
(
self
):
return
self
.
name
@
property
def
name
(
self
):
""":return: Name of our remote ref"""
return
self
.
ref
.
name
@
property
def
commit
(
self
):
""":return: Commit of our remote ref"""
return
self
.
ref
.
commit
@
classmethod
def
_from_line
(
cls
,
repo
,
line
,
fetch_line
):
"""Parse information from the given line as returned by git-fetch -v
and return a new FetchInfo object representing this information.
We can handle a line as follows
"%c %-*s %-*s -> %s%s"
Where c is either ' ', !, +, -, *, or =
! means error
+ means success forcing update
- means a tag was updated
* means birth of new branch or tag
= means the head was up to date ( and not moved )
' ' means a fast-forward
fetch line is the corresponding line from FETCH_HEAD, like
acb0fa8b94ef421ad60c8507b634759a472cd56c not-for-merge branch '0.1.7RC' of /tmp/tmpya0vairemote_repo"""
match
=
cls
.
re_fetch_result
.
match
(
line
)
if
match
is
None
:
raise
ValueError
(
"Failed to parse line: %r"
%
line
)
# parse lines
control_character
,
operation
,
local_remote_ref
,
remote_local_ref
,
note
=
match
.
groups
()
try
:
new_hex_sha
,
fetch_operation
,
fetch_note
=
fetch_line
.
split
(
"
\t
"
)
# @UnusedVariable
ref_type_name
,
fetch_note
=
fetch_note
.
split
(
' '
,
1
)
except
ValueError
:
# unpack error
raise
ValueError
(
"Failed to parse FETCH_HEAD line: %r"
%
fetch_line
)
# parse flags from control_character
flags
=
0
try
:
flags
|=
cls
.
_flag_map
[
control_character
]
except
KeyError
:
raise
ValueError
(
"Control character %r unknown as parsed from line %r"
%
(
control_character
,
line
))
# END control char exception hanlding
# parse operation string for more info - makes no sense for symbolic refs, but we parse it anyway
old_commit
=
None
is_tag_operation
=
False
if
'rejected'
in
operation
:
flags
|=
cls
.
REJECTED
if
'new tag'
in
operation
:
flags
|=
cls
.
NEW_TAG
is_tag_operation
=
True
if
'tag update'
in
operation
:
flags
|=
cls
.
TAG_UPDATE
is_tag_operation
=
True
if
'new branch'
in
operation
:
flags
|=
cls
.
NEW_HEAD
if
'...'
in
operation
or
'..'
in
operation
:
split_token
=
'...'
if
control_character
==
' '
:
split_token
=
split_token
[:
-
1
]
old_commit
=
repo
.
rev_parse
(
operation
.
split
(
split_token
)[
0
])
# END handle refspec
# handle FETCH_HEAD and figure out ref type
# If we do not specify a target branch like master:refs/remotes/origin/master,
# the fetch result is stored in FETCH_HEAD which destroys the rule we usually
# have. In that case we use a symbolic reference which is detached
ref_type
=
None
if
remote_local_ref
==
"FETCH_HEAD"
:
ref_type
=
SymbolicReference
elif
ref_type_name
==
"tag"
or
is_tag_operation
:
# the ref_type_name can be branch, whereas we are still seeing a tag operation. It happens during
# testing, which is based on actual git operations
ref_type
=
TagReference
elif
ref_type_name
in
(
"remote-tracking"
,
"branch"
):
# note: remote-tracking is just the first part of the 'remote-tracking branch' token.
# We don't parse it correctly, but its enough to know what to do, and its new in git 1.7something
ref_type
=
RemoteReference
elif
'/'
in
ref_type_name
:
# If the fetch spec look something like this '+refs/pull/*:refs/heads/pull/*', and is thus pretty
# much anything the user wants, we will have trouble to determine what's going on
# For now, we assume the local ref is a Head
ref_type
=
Head
else
:
raise
TypeError
(
"Cannot handle reference type: %r"
%
ref_type_name
)
# END handle ref type
# create ref instance
if
ref_type
is
SymbolicReference
:
remote_local_ref
=
ref_type
(
repo
,
"FETCH_HEAD"
)
else
:
# determine prefix. Tags are usually pulled into refs/tags, they may have subdirectories.
# It is not clear sometimes where exactly the item is, unless we have an absolute path as indicated
# by the 'ref/' prefix. Otherwise even a tag could be in refs/remotes, which is when it will have the
# 'tags/' subdirectory in its path.
# We don't want to test for actual existence, but try to figure everything out analytically.
ref_path
=
None
remote_local_ref
=
remote_local_ref
.
strip
()
if
remote_local_ref
.
startswith
(
Reference
.
_common_path_default
+
"/"
):
# always use actual type if we get absolute paths
# Will always be the case if something is fetched outside of refs/remotes (if its not a tag)
ref_path
=
remote_local_ref
if
ref_type
is
not
TagReference
and
not
\
remote_local_ref
.
startswith
(
RemoteReference
.
_common_path_default
+
"/"
):
ref_type
=
Reference
# END downgrade remote reference
elif
ref_type
is
TagReference
and
'tags/'
in
remote_local_ref
:
# even though its a tag, it is located in refs/remotes
ref_path
=
join_path
(
RemoteReference
.
_common_path_default
,
remote_local_ref
)
else
:
ref_path
=
join_path
(
ref_type
.
_common_path_default
,
remote_local_ref
)
# END obtain refpath
# even though the path could be within the git conventions, we make
# sure we respect whatever the user wanted, and disabled path checking
remote_local_ref
=
ref_type
(
repo
,
ref_path
,
check_path
=
False
)
# END create ref instance
note
=
(
note
and
note
.
strip
())
or
''
return
cls
(
remote_local_ref
,
flags
,
note
,
old_commit
,
local_remote_ref
)
class
Remote
(
LazyMixin
,
Iterable
):
"""Provides easy read and write access to a git remote.
Everything not part of this interface is considered an option for the current
remote, allowing constructs like remote.pushurl to query the pushurl.
NOTE: When querying configuration, the configuration accessor will be cached
to speed up subsequent accesses."""
__slots__
=
(
"repo"
,
"name"
,
"_config_reader"
)
_id_attribute_
=
"name"
def
__init__
(
self
,
repo
,
name
):
"""Initialize a remote instance
:param repo: The repository we are a remote of
:param name: the name of the remote, i.e. 'origin'"""
self
.
repo
=
repo
self
.
name
=
name
if
is_win
:
# some oddity: on windows, python 2.5, it for some reason does not realize
# that it has the config_writer property, but instead calls __getattr__
# which will not yield the expected results. 'pinging' the members
# with a dir call creates the config_writer property that we require
# ... bugs like these make me wonder whether python really wants to be used
# for production. It doesn't happen on linux though.
dir
(
self
)
# END windows special handling
def
__getattr__
(
self
,
attr
):
"""Allows to call this instance like
remote.special( \*args, \*\*kwargs) to call git-remote special self.name"""
if
attr
==
"_config_reader"
:
return
super
(
Remote
,
self
).
__getattr__
(
attr
)
# sometimes, probably due to a bug in python itself, we are being called
# even though a slot of the same name exists
try
:
return
self
.
_config_reader
.
get
(
attr
)
except
cp
.
NoOptionError
:
return
super
(
Remote
,
self
).
__getattr__
(
attr
)
# END handle exception
def
_config_section_name
(
self
):
return
'remote "%s"'
%
self
.
name
def
_set_cache_
(
self
,
attr
):
if
attr
==
"_config_reader"
:
# NOTE: This is cached as __getattr__ is overridden to return remote config values implicitly, such as
# in print(r.pushurl)
self
.
_config_reader
=
SectionConstraint
(
self
.
repo
.
config_reader
(
"repository"
),
self
.
_config_section_name
())
else
:
super
(
Remote
,
self
).
_set_cache_
(
attr
)
def
__str__
(
self
):
return
self
.
name
def
__repr__
(
self
):
return
'<git.%s "%s">'
%
(
self
.
__class__
.
__name__
,
self
.
name
)
def
__eq__
(
self
,
other
):
return
self
.
name
==
other
.
name
def
__ne__
(
self
,
other
):
return
not
(
self
==
other
)
def
__hash__
(
self
):
return
hash
(
self
.
name
)
def
exists
(
self
):
"""
:return: True if this is a valid, existing remote.
Valid remotes have an entry in the repository's configuration"""
try
:
self
.
config_reader
.
get
(
'url'
)
return
True
except
cp
.
NoOptionError
:
# we have the section at least ...
return
True
except
cp
.
NoSectionError
:
return
False
# end
@
classmethod
def
iter_items
(
cls
,
repo
):
""":return: Iterator yielding Remote objects of the given repository"""
for
section
in
repo
.
config_reader
(
"repository"
).
sections
():
if
not
section
.
startswith
(
'remote '
):
continue
lbound
=
section
.
find
(
'"'
)
rbound
=
section
.
rfind
(
'"'
)
if
lbound
==
-
1
or
rbound
==
-
1
:
raise
ValueError
(
"Remote-Section has invalid format: %r"
%
section
)
yield
Remote
(
repo
,
section
[
lbound
+
1
:
rbound
])
# END for each configuration section
def
set_url
(
self
,
new_url
,
old_url
=
None
,
**
kwargs
):
"""Configure URLs on current remote (cf command git remote set_url)
This command manages URLs on the remote.
:param new_url: string being the URL to add as an extra remote URL
:param old_url: when set, replaces this URL with new_url for the remote
:return: self
"""
scmd
=
'set-url'
kwargs
[
'insert_kwargs_after'
]
=
scmd
if
old_url
:
self
.
repo
.
git
.
remote
(
scmd
,
self
.
name
,
old_url
,
new_url
,
**
kwargs
)
else
:
self
.
repo
.
git
.
remote
(
scmd
,
self
.
name
,
new_url
,
**
kwargs
)
return
self
def
add_url
(
self
,
url
,
**
kwargs
):
"""Adds a new url on current remote (special case of git remote set_url)
This command adds new URLs to a given remote, making it possible to have
multiple URLs for a single remote.
:param url: string being the URL to add as an extra remote URL
:return: self
"""
return
self
.
set_url
(
url
,
add
=
True
)
def
delete_url
(
self
,
url
,
**
kwargs
):
"""Deletes a new url on current remote (special case of git remote set_url)
This command deletes new URLs to a given remote, making it possible to have
multiple URLs for a single remote.
:param url: string being the URL to delete from the remote
:return: self
"""
return
self
.
set_url
(
url
,
delete
=
True
)
@
property
def
urls
(
self
):
""":return: Iterator yielding all configured URL targets on a remote as strings"""
try
:
remote_details
=
self
.
repo
.
git
.
remote
(
"get-url"
,
"--all"
,
self
.
name
)
for
line
in
remote_details
.
split
(
'
\n
'
):
yield
line
except
GitCommandError
as
ex
:
## We are on git < 2.7 (i.e TravisCI as of Oct-2016),
# so `get-utl` command does not exist yet!
# see: https://github.com/gitpython-developers/GitPython/pull/528#issuecomment-252976319
# and: http://stackoverflow.com/a/32991784/548792
#
if
'Unknown subcommand: get-url'
in
str
(
ex
):
remote_details
=
self
.
repo
.
git
.
remote
(
"show"
,
self
.
name
)
for
line
in
remote_details
.
split
(
'
\n
'
):
if
' Push URL:'
in
line
:
yield
line
.
split
(
': '
)[
-
1
]
else
:
raise
ex
@
property
def
refs
(
self
):
"""
:return:
IterableList of RemoteReference objects. It is prefixed, allowing
you to omit the remote path portion, i.e.::
remote.refs.master # yields RemoteReference('/refs/remotes/origin/master')"""
out_refs
=
IterableList
(
RemoteReference
.
_id_attribute_
,
"%s/"
%
self
.
name
)
out_refs
.
extend
(
RemoteReference
.
list_items
(
self
.
repo
,
remote
=
self
.
name
))
return
out_refs
@
property
def
stale_refs
(
self
):
"""
:return:
IterableList RemoteReference objects that do not have a corresponding
head in the remote reference anymore as they have been deleted on the
remote side, but are still available locally.
The IterableList is prefixed, hence the 'origin' must be omitted. See
'refs' property for an example.
To make things more complicated, it can be possble for the list to include
other kinds of references, for example, tag references, if these are stale
as well. This is a fix for the issue described here:
https://github.com/gitpython-developers/GitPython/issues/260
"""
out_refs
=
IterableList
(
RemoteReference
.
_id_attribute_
,
"%s/"
%
self
.
name
)
for
line
in
self
.
repo
.
git
.
remote
(
"prune"
,
"--dry-run"
,
self
).
splitlines
()[
2
:]:
# expecting
# * [would prune] origin/new_branch
token
=
" * [would prune] "
if
not
line
.
startswith
(
token
):
raise
ValueError
(
"Could not parse git-remote prune result: %r"
%
line
)
ref_name
=
line
.
replace
(
token
,
""
)
# sometimes, paths start with a full ref name, like refs/tags/foo, see #260
if
ref_name
.
startswith
(
Reference
.
_common_path_default
+
'/'
):
out_refs
.
append
(
SymbolicReference
.
from_path
(
self
.
repo
,
ref_name
))
else
:
fqhn
=
"%s/%s"
%
(
RemoteReference
.
_common_path_default
,
ref_name
)
out_refs
.
append
(
RemoteReference
(
self
.
repo
,
fqhn
))
# end special case handlin
# END for each line
return
out_refs
@
classmethod
def
create
(
cls
,
repo
,
name
,
url
,
**
kwargs
):
"""Create a new remote to the given repository
:param repo: Repository instance that is to receive the new remote
:param name: Desired name of the remote
:param url: URL which corresponds to the remote's name
:param kwargs: Additional arguments to be passed to the git-remote add command
:return: New Remote instance
:raise GitCommandError: in case an origin with that name already exists"""
scmd
=
'add'
kwargs
[
'insert_kwargs_after'
]
=
scmd
repo
.
git
.
remote
(
scmd
,
name
,
Git
.
polish_url
(
url
),
**
kwargs
)
return
cls
(
repo
,
name
)
# add is an alias
add
=
create
@
classmethod
def
remove
(
cls
,
repo
,
name
):
"""Remove the remote with the given name
:return: the passed remote name to remove
"""
repo
.
git
.
remote
(
"rm"
,
name
)
if
isinstance
(
name
,
cls
):
name
.
_clear_cache
()
return
name
# alias
rm
=
remove
def
rename
(
self
,
new_name
):
"""Rename self to the given new_name
:return: self """
if
self
.
name
==
new_name
:
return
self
self
.
repo
.
git
.
remote
(
"rename"
,
self
.
name
,
new_name
)
self
.
name
=
new_name
self
.
_clear_cache
()
return
self
def
update
(
self
,
**
kwargs
):
"""Fetch all changes for this remote, including new branches which will
be forced in ( in case your local remote branch is not part the new remote branches
ancestry anymore ).
:param kwargs:
Additional arguments passed to git-remote update
:return: self """
scmd
=
'update'
kwargs
[
'insert_kwargs_after'
]
=
scmd
self
.
repo
.
git
.
remote
(
scmd
,
self
.
name
,
**
kwargs
)
return
self
def
_get_fetch_info_from_stderr
(
self
,
proc
,
progress
):
progress
=
to_progress_instance
(
progress
)
# skip first line as it is some remote info we are not interested in
output
=
IterableList
(
'name'
)
# lines which are no progress are fetch info lines
# this also waits for the command to finish
# Skip some progress lines that don't provide relevant information
fetch_info_lines
=
list
()
# Basically we want all fetch info lines which appear to be in regular form, and thus have a
# command character. Everything else we ignore,
cmds
=
set
(
PushInfo
.
_flag_map
.
keys
())
&
set
(
FetchInfo
.
_flag_map
.
keys
())
progress_handler
=
progress
.
new_message_handler
()
handle_process_output
(
proc
,
None
,
progress_handler
,
finalizer
=
None
,
decode_streams
=
False
)
stderr_text
=
progress
.
error_lines
and
'
\n
'
.
join
(
progress
.
error_lines
)
or
''
proc
.
wait
(
stderr
=
stderr_text
)
if
stderr_text
:
log
.
warning
(
"Error lines received while fetching: %s"
,
stderr_text
)
for
line
in
progress
.
other_lines
:
line
=
force_text
(
line
)
for
cmd
in
cmds
:
if
len
(
line
)
>
1
and
line
[
0
]
==
' '
and
line
[
1
]
==
cmd
:
fetch_info_lines
.
append
(
line
)
continue
# read head information
with
open
(
join
(
self
.
repo
.
git_dir
,
'FETCH_HEAD'
),
'rb'
)
as
fp
:
fetch_head_info
=
[
l
.
decode
(
defenc
)
for
l
in
fp
.
readlines
()]
l_fil
=
len
(
fetch_info_lines
)
l_fhi
=
len
(
fetch_head_info
)
if
l_fil
!=
l_fhi
:
msg
=
"Fetch head lines do not match lines provided via progress information
\n
"
msg
+=
"length of progress lines %i should be equal to lines in FETCH_HEAD file %i
\n
"
msg
+=
"Will ignore extra progress lines or fetch head lines."
msg
%=
(
l_fil
,
l_fhi
)
log
.
debug
(
msg
)
if
l_fil
<
l_fhi
:
fetch_head_info
=
fetch_head_info
[:
l_fil
]
else
:
fetch_info_lines
=
fetch_info_lines
[:
l_fhi
]
# end truncate correct list
# end sanity check + sanitization
output
.
extend
(
FetchInfo
.
_from_line
(
self
.
repo
,
err_line
,
fetch_line
)
for
err_line
,
fetch_line
in
zip
(
fetch_info_lines
,
fetch_head_info
))
return
output
def
_get_push_info
(
self
,
proc
,
progress
):
progress
=
to_progress_instance
(
progress
)
# read progress information from stderr
# we hope stdout can hold all the data, it should ...
# read the lines manually as it will use carriage returns between the messages
# to override the previous one. This is why we read the bytes manually
progress_handler
=
progress
.
new_message_handler
()
output
=
IterableList
(
'name'
)
def
stdout_handler
(
line
):
try
:
output
.
append
(
PushInfo
.
_from_line
(
self
,
line
))
except
ValueError
:
# If an error happens, additional info is given which we parse below.
pass
handle_process_output
(
proc
,
stdout_handler
,
progress_handler
,
finalizer
=
None
,
decode_streams
=
False
)
stderr_text
=
progress
.
error_lines
and
'
\n
'
.
join
(
progress
.
error_lines
)
or
''
try
:
proc
.
wait
(
stderr
=
stderr_text
)
except
Exception
:
if
not
output
:
raise
elif
stderr_text
:
log
.
warning
(
"Error lines received while fetching: %s"
,
stderr_text
)
return
output
def
_assert_refspec
(
self
):
"""Turns out we can't deal with remotes if the refspec is missing"""
config
=
self
.
config_reader
unset
=
'placeholder'
try
:
if
config
.
get_value
(
'fetch'
,
default
=
unset
)
is
unset
:
msg
=
"Remote '%s' has no refspec set.
\n
"
msg
+=
"You can set it as follows:"
msg
+=
" 'git config --add
\"
remote.%s.fetch +refs/heads/*:refs/heads/*
\"
'."
%
(
self
.
name
,
self
.
name
)
raise
AssertionError
(
msg
)
finally
:
config
.
release
()
def
fetch
(
self
,
refspec
=
None
,
progress
=
None
,
**
kwargs
):
"""Fetch the latest changes for this remote
:param refspec:
A "refspec" is used by fetch and push to describe the mapping
between remote ref and local ref. They are combined with a colon in
the format <src>:<dst>, preceded by an optional plus sign, +.
For example: git fetch $URL refs/heads/master:refs/heads/origin means
"grab the master branch head from the $URL and store it as my origin
branch head". And git push $URL refs/heads/master:refs/heads/to-upstream
means "publish my master branch head as to-upstream branch at $URL".
See also git-push(1).
Taken from the git manual
Fetch supports multiple refspecs (as the
underlying git-fetch does) - supplying a list rather than a string
for 'refspec' will make use of this facility.
:param progress: See 'push' method
:param kwargs: Additional arguments to be passed to git-fetch
:return:
IterableList(FetchInfo, ...) list of FetchInfo instances providing detailed
information about the fetch results
:note:
As fetch does not provide progress information to non-ttys, we cannot make
it available here unfortunately as in the 'push' method."""
if
refspec
is
None
:
# No argument refspec, then ensure the repo's config has a fetch refspec.
self
.
_assert_refspec
()
kwargs
=
add_progress
(
kwargs
,
self
.
repo
.
git
,
progress
)
if
isinstance
(
refspec
,
list
):
args
=
refspec
else
:
args
=
[
refspec
]
proc
=
self
.
repo
.
git
.
fetch
(
self
,
*
args
,
as_process
=
True
,
with_stdout
=
False
,
universal_newlines
=
True
,
v
=
True
,
**
kwargs
)
res
=
self
.
_get_fetch_info_from_stderr
(
proc
,
progress
)
if
hasattr
(
self
.
repo
.
odb
,
'update_cache'
):
self
.
repo
.
odb
.
update_cache
()
return
res
def
pull
(
self
,
refspec
=
None
,
progress
=
None
,
**
kwargs
):
"""Pull changes from the given branch, being the same as a fetch followed
by a merge of branch with your local branch.
:param refspec: see 'fetch' method
:param progress: see 'push' method
:param kwargs: Additional arguments to be passed to git-pull
:return: Please see 'fetch' method """
if
refspec
is
None
:
# No argument refspec, then ensure the repo's config has a fetch refspec.
self
.
_assert_refspec
()
kwargs
=
add_progress
(
kwargs
,
self
.
repo
.
git
,
progress
)
proc
=
self
.
repo
.
git
.
pull
(
self
,
refspec
,
with_stdout
=
False
,
as_process
=
True
,
universal_newlines
=
True
,
v
=
True
,
**
kwargs
)
res
=
self
.
_get_fetch_info_from_stderr
(
proc
,
progress
)
if
hasattr
(
self
.
repo
.
odb
,
'update_cache'
):
self
.
repo
.
odb
.
update_cache
()
return
res
def
push
(
self
,
refspec
=
None
,
progress
=
None
,
**
kwargs
):
"""Push changes from source branch in refspec to target branch in refspec.
:param refspec: see 'fetch' method
:param progress:
Can take one of many value types:
* None to discard progress information
* A function (callable) that is called with the progress infomation.
Signature: ``progress(op_code, cur_count, max_count=None, message='')``.
`Click here <http://goo.gl/NPa7st>`_ for a description of all arguments
given to the function.
* An instance of a class derived from ``git.RemoteProgress`` that
overrides the ``update()`` function.
:note: No further progress information is returned after push returns.
:param kwargs: Additional arguments to be passed to git-push
:return:
IterableList(PushInfo, ...) iterable list of PushInfo instances, each
one informing about an individual head which had been updated on the remote
side.
If the push contains rejected heads, these will have the PushInfo.ERROR bit set
in their flags.
If the operation fails completely, the length of the returned IterableList will
be null."""
kwargs
=
add_progress
(
kwargs
,
self
.
repo
.
git
,
progress
)
proc
=
self
.
repo
.
git
.
push
(
self
,
refspec
,
porcelain
=
True
,
as_process
=
True
,
universal_newlines
=
True
,
**
kwargs
)
return
self
.
_get_push_info
(
proc
,
progress
)
@
property
def
config_reader
(
self
):
"""
:return:
GitConfigParser compatible object able to read options for only our remote.
Hence you may simple type config.get("pushurl") to obtain the information"""
return
self
.
_config_reader
def
_clear_cache
(
self
):
try
:
del
(
self
.
_config_reader
)
except
AttributeError
:
pass
# END handle exception
@
property
def
config_writer
(
self
):
"""
:return: GitConfigParser compatible object able to write options for this remote.
:note:
You can only own one writer at a time - delete it to release the
configuration file and make it useable by others.
To assure consistent results, you should only query options through the
writer. Once you are done writing, you are free to use the config reader
once again."""
writer
=
self
.
repo
.
config_writer
()
# clear our cache to assure we re-read the possibly changed configuration
self
.
_clear_cache
()
return
SectionConstraint
(
writer
,
self
.
_config_section_name
())
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