fa1e6cc5bf
The old deployment script doesn't work anymore due to the change to cmake, and since we build the distribution packages (zip / dmg / AppImage) with cmake directly there's not much need left for the old deployment. Change-Id: Ide20887c5bc2e22aabbfb47374d70529609fbc3c
252 lines
8.7 KiB
Python
Executable file
252 lines
8.7 KiB
Python
Executable file
#!/usr/bin/python
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# __________ __ ___.
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# Open \______ \ ____ ____ | | _\_ |__ _______ ___
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# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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# \/ \/ \/ \/ \/
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#
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# Copyright (c) 2012 Dominik Riebeling
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#
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# All files in this archive are subject to the GNU General Public License.
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# See the file COPYING in the source tree root for full license agreement.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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'''Scrape files from a git repository.
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This module provides functions to get a subset of files from a git repository.
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The files to retrieve can be specified, and the git tree to work on can be
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specified. That way arbitrary trees can be retrieved (like a subset of files
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for a given tag).
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Retrieved files can be packaged into a bzip2 compressed tarball or stored in a
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given folder for processing afterwards.
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Calls git commands directly for maximum compatibility.
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'''
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import re
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import subprocess
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import os
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import tarfile
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import tempfile
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import shutil
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def get_refs(repo):
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'''Get dict matching refs to hashes from repository pointed to by repo.
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@param repo Path to repository root.
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@return Dict matching hashes to each ref.
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'''
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print("Getting list of refs")
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output = subprocess.Popen(
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["git", "show-ref", "--abbrev", "--head"],
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stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=repo)
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cmdout = output.communicate()
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refs = dict()
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if len(cmdout[1]) > 0:
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print("An error occured!\n")
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print(cmdout[1])
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return refs
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for line in cmdout:
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regex = re.findall(b'([a-f0-9]+)\\s+(\\S+)', line)
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for r in regex:
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# ref is the key, hash its value.
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refs[r[1].decode()] = r[0].decode()
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return refs
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def get_lstree(repo, start, filterlist=None):
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'''Get recursive list of tree objects for a given tree.
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@param repo Path to repository root.
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@param start Hash identifying the tree.
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@param filterlist List of paths to retrieve objecs hashes for.
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An empty list will retrieve all paths.
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@return Dict mapping filename to blob hash
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'''
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if filterlist is None:
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filterlist = list()
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output = subprocess.Popen(
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["git", "ls-tree", "-r", start],
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stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=repo)
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cmdout = output.communicate()
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objects = dict()
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if len(cmdout[1]) > 0:
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print("An error occured!\n")
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print(cmdout[1])
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return objects
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for line in cmdout[0].decode().split('\n'):
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regex = re.findall(b'([0-9]+)\\s+([a-z]+)\\s+([0-9a-f]+)\\s+(.*)',
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line.encode())
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for rf in regex:
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# filter
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add = False
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for f in filterlist:
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if rf[3].decode().find(f) == 0:
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add = True
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# If two files have the same content they have the same hash, so
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# the filename has to be used as key.
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if len(filterlist) == 0 or add == True:
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if rf[3] in objects:
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print("FATAL: key already exists in dict!")
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return {}
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objects[rf[3].decode()] = rf[2].decode()
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return objects
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def get_file_timestamp(repo, tree, filename):
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'''Get timestamp for a file.
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@param repo Path to repository root.
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@param tree Hash of tree to use.
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@param filename Filename in tree
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@return Timestamp as string.
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'''
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output = subprocess.Popen(
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["git", "log", "--format=%ai", "-n", "1", tree, filename],
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stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=repo)
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cmdout = output.communicate()
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return cmdout[0].decode().rstrip()
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def get_object(repo, blob, destfile):
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'''Get an identified object from the repository.
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@param repo Path to repository root.
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@param blob hash for blob to retrieve.
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@param destfile filename for blob output.
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@return True if file was successfully written, False on error.
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'''
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output = subprocess.Popen(
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["git", "cat-file", "-p", blob],
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stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=repo)
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cmdout = output.communicate()
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# make sure output path exists
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if len(cmdout[1]) > 0:
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print("An error occured!\n")
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print(cmdout[1])
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return False
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if not os.path.exists(os.path.dirname(destfile)):
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os.makedirs(os.path.dirname(destfile))
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f = open(destfile, 'wb')
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f.write(cmdout[0])
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f.close()
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return True
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def parse_rev(repo, hash):
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'''Retrieve output of git rev-parse for a given hash.
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@param repo Path to repository root.
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@param hash Hash identifying the tree / commit to describe.
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@return Description string.
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'''
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output = subprocess.Popen(
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["git", "rev-parse", "--verify", "--short=10", hash],
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stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=repo)
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cmdout = output.communicate()
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if len(cmdout[1]) > 0:
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print("An error occured!\n")
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print(cmdout[1])
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return ""
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return cmdout[0].decode().rstrip()
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def describe_treehash(repo, treehash):
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'''Retrieve output of git-describe for a given hash.
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@param repo Path to repository root.
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@param treehash Hash identifying the tree / commit to describe.
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@return Description string.
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'''
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output = subprocess.Popen(
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["git", "describe", treehash],
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stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=repo)
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cmdout = output.communicate()
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if len(cmdout[1]) > 0:
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print("An error occured!\n")
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print(cmdout[1])
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return ""
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return cmdout[0].rstrip()
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def scrape_files(repo, treehash, filelist, dest=None, timestamp_files=None):
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'''Scrape list of files from repository.
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@param repo Path to repository root.
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@param treehash Hash identifying the tree.
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@param filelist List of files to get from repository.
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@param dest Destination path for files. Files will get retrieved with full
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path from the repository, and the folder structure will get
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created below dest as necessary.
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@param timestamp_files List of files to also get the last modified date.
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WARNING: this is SLOW!
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@return Destination path, filename:timestamp dict.
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'''
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print("Scraping files from repository")
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if timestamp_files is None:
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timestamp_files = list()
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if dest is None:
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dest = tempfile.mkdtemp()
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treeobjects = get_lstree(repo, treehash, filelist)
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timestamps = {}
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for obj in treeobjects:
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get_object(repo, treeobjects[obj], os.path.join(dest, obj))
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for f in timestamp_files:
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if obj.find(f) == 0:
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timestamps[obj] = get_file_timestamp(repo, treehash, obj)
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return [dest, timestamps]
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def archive_files(repo, treehash, filelist, basename, tmpfolder=None,
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archive="tbz"):
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'''Archive list of files into tarball.
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@param repo Path to repository root.
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@param treehash Hash identifying the tree.
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@param filelist List of files to archive. All files in the archive if left
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empty.
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@param basename Basename (including path) of output file. Will get used as
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basename inside of the archive as well (i.e. no tarbomb).
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@param tmpfolder Folder to put intermediate files in. If no folder is given
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a temporary one will get used.
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@param archive Type of archive to create. Supported values are "tbz" and
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"7z". The latter requires the 7z binary available in the
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system's path.
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@return Output filename.
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'''
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if tmpfolder is None:
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temp_remove = True
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tmpfolder = tempfile.mkdtemp()
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else:
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temp_remove = False
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workfolder = scrape_files(
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repo, treehash, filelist, os.path.join(tmpfolder, basename))[0]
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if basename == "":
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return ""
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print("Archiving files from repository")
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if archive == "7z":
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outfile = basename + ".7z"
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output = subprocess.Popen(
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["7z", "a", os.path.join(os.getcwd(), basename + ".7z"), basename],
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cwd=tmpfolder, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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output.communicate()
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elif archive == "tbz":
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outfile = basename + ".tar.bz2"
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tf = tarfile.open(outfile, "w:bz2")
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tf.add(workfolder, basename)
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tf.close()
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else:
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print("Files not archived")
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if tmpfolder != workfolder:
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shutil.rmtree(workfolder)
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if temp_remove:
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shutil.rmtree(tmpfolder)
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return outfile
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