#!/usr/bin/python3.9
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#
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# CDDL HEADER START
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#
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# The contents of this file are subject to the terms of the
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# Common Development and Distribution License (the "License").
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# You may not use this file except in compliance with the License.
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#
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# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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# or http://www.opensolaris.org/os/licensing.
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# See the License for the specific language governing permissions
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# and limitations under the License.
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#
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# When distributing Covered Code, include this CDDL HEADER in each
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# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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# If applicable, add the following below this CDDL HEADER, with the
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# fields enclosed by brackets "[]" replaced with your own identifying
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# information: Portions Copyright [yyyy] [name of copyright owner]
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#
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# CDDL HEADER END
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#
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# Copyright (c) 2010, Oracle and/or it's affiliates. All rights reserved.
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# Copyright (c) 2018-2019, Michal Nowak
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#
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#
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# unpack.py - an archive unpack utility
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#
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# A simple program to uncompress and unpack source archive files into a target
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# directory and fix permissions if requested.
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#
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import os
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import sys
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def uncompress_unpack_commands(filename, verbose=False):
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import re
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uncompress = "/bin/cat"
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if (re.search("(\.bz2|\.tbz|\.tbz2)$", filename) != None):
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uncompress = "/usr/bin/bzip2 -dc"
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elif (re.search("(\.gz|\.tgz)$", filename) != None):
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uncompress = "/usr/bin/gzip -dc"
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elif (re.search("(\.Z)$", filename) != None):
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uncompress = "/usr/bin/uncompress -c"
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elif (re.search("(\.7z)$", filename) != None):
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uncompress = "/usr/bin/7z x"
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elif (re.search("(\.lz)$", filename) != None):
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uncompress = "/usr/bin/lzip -dc"
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elif (re.search("(\.xz)$", filename) != None):
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uncompress = "/usr/bin/xz -dc"
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elif (re.search("(\.zip)$", filename) != None):
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uncompress = "/usr/bin/unzip -qo"
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elif (re.search("(\.oxt)$", filename) != None):
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uncompress = "/usr/bin/unzip -qo"
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elif (re.search("(\.zst|\.tzst)$", filename) != None):
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uncompress = "/usr/bin/unzstd -c"
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elif (re.search("(\.gem)$", filename) != None):
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ruby_ver = os.getenv('RUBY_VERSION', '')
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uncompress = "/usr/ruby/" + ruby_ver + "/bin/gem unpack"
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# if the file is just compressed, redirect stdout to ./filename with
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# one less extension.
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unpack = " > ./" + '.'.join(os.path.basename(filename).split('.')[:-1])
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if (re.search("(\.tar\.[^\.]+|\.tgz|\.txz|\.tbz2?)$",filename) != None):
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unpack = " | gtar -xf -"
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elif (re.search("(\.zip)$", filename) != None):
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unpack = ""
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elif (re.search("(\.oxt)$", filename) != None):
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unpack = ""
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elif (re.search("(\.jar)$", filename) != None):
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unpack = " | jar xf -"
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elif (re.search("(\.gem)$", filename) != None):
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unpack = ""
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if (verbose == True):
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print("command: %s %s%s" % (uncompress, filename, unpack))
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return uncompress, unpack
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#
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# recurse down a directory tree opening permissions so that others may access
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# files in the tree.
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#
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def fixup_permissions(dir, verbose):
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for entry in os.listdir(dir):
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import stat
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path = "%s/%s" % (dir, entry)
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st = os.lstat(path)
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mode = stat.S_IMODE(st.st_mode)
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mode |= (stat.S_IRUSR | stat.S_IRGRP | stat.S_IROTH)
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if stat.S_ISDIR(st.st_mode):
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mode |= (stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)
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if (stat.S_IMODE(st.st_mode) != mode):
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if (verbose == True):
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print("Changing %s from %4.4o to %4.4o" % (path,
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stat.S_IMODE(st.st_mode), mode))
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os.chmod(path, mode)
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if stat.S_ISDIR(st.st_mode):
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fixup_permissions(path, verbose)
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def usage():
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print("Usage: %s [-v|--verbose] [-f|--fix-permissions] [-r|--relocate-to (dir)] (file)" % (sys.argv[0].split('/')[-1]))
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sys.exit(1)
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def main():
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import getopt
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import sys
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import tempfile
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verbose = False
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permissions = None
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relocate_to = None
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if len(sys.argv) == 1:
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usage()
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try:
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opts, args = getopt.getopt(sys.argv[1:], "fr:v",
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["fix-permissions", "relocate-to=", "verbose"])
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except getopt.GetoptError as err:
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print(str(err))
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usage()
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for opt, arg in opts:
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if opt in [ "-v", "--verbose" ]:
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verbose = True
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elif opt in [ "-f", "--fix-permissions" ]:
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permissions = True
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elif opt in [ "-r", "--relocate-to" ]:
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relocate_to = arg
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else:
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assert False, "unknown option"
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filename = ((args[0][0] == '/') and "%s" or "../%s") % args[0]
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uncompress, unpack = uncompress_unpack_commands(filename)
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tempdir = tempfile.mkdtemp(dir='.')
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# extract the archive contents
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if (verbose == True):
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print("cd %s ; %s %s%s" % (tempdir, uncompress, filename,
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unpack))
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os.system("cd %s ; %s %s%s" % (tempdir, uncompress, filename, unpack))
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# open up the permissions on what we extracted
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if permissions:
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fixup_permissions(tempdir, verbose)
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if (relocate_to == None):
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# move everything in the tempdir here
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for entry in os.listdir(tempdir):
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path= "%s/%s" % (tempdir, entry)
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os.renames(path, entry)
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else:
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# rename the tempdir and open it's permissions
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os.renames(tempdir, relocate_to)
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os.chmod(relocate_to, 0o755)
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if __name__ == "__main__":
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main()
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