/usr/bin/moz-version is in mozilla-devscripts 0.44.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 | #! /usr/bin/python
# Copyright (c) 2009-2011, Benjamin Drung <bdrung@debian.org>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
import getopt
import os
import sys
from moz_version import (compare_versions, convert_debian_to_moz_version,
convert_moz_to_debian_version)
# error codes
COMMAND_LINE_SYNTAX_ERROR = 2
INVALID_COMPARATOR = 3
EMPTY_VERSION_STRING = 4
COMPARATORS = ("lt", "le", "eq", "ne", "ge", "gt")
def moz_version_compare(version1, comparator, version2, silent=False,
verbose=False):
"""Return true if the expression version1 comparator version2 is valid,
otherwise false"""
if comparator not in COMPARATORS:
if not silent:
print >> sys.stderr, "E: The comparator " + comparator + \
" is not valid. It should one of " + \
", ".join(COMPARATORS) + "."
sys.exit(INVALID_COMPARATOR)
if version1.strip() == "" or version2.strip() == "":
if not silent:
print >> sys.stderr, "E: At least one version string is empty."
sys.exit(EMPTY_VERSION_STRING)
if verbose:
symbol = {"lt": "<", "le": "<=", "eq": "=", "ne": "!=",
"ge": ">=", "gt": ">"}
print "I: Comparing %s %s %s." % \
(version1, symbol[comparator], version2)
if comparator == "lt":
return compare_versions(version1, version2, verbose) < 0
elif comparator == "le":
return compare_versions(version1, version2, verbose) <= 0
elif comparator == "eq":
return compare_versions(version1, version2, verbose) == 0
elif comparator == "ne":
return compare_versions(version1, version2, verbose) != 0
elif comparator == "ge":
return compare_versions(version1, version2, verbose) >= 0
elif comparator == "gt":
return compare_versions(version1, version2, verbose) > 0
def usage(output):
name = os.path.basename(sys.argv[0])
print >> output, """Usage: %s [options] action
Actions:
-c, --compare version1 comparator version2
compare both Mozilla version numbers
comparator must be one of %s
-d, --to-deb version converts Mozilla into a Debian upstream version
-m, --to-moz version converts Debian into a Mozilla version
Options:
-h, --help display this help and exit
-s, --silent do not print anything and die silent on errors
-v, --verbose print more information
See %s(1) for more info.""" % (name, ", ".join(COMPARATORS), name)
def main():
try:
long_opts = ["compare", "help", "silent", "to-deb", "to-moz", "verbose"]
opts, args = getopt.gnu_getopt(sys.argv[1:], "cdhmsv", long_opts)
except getopt.GetoptError, e:
# print help information and exit:
print >> sys.stderr, str(e)
usage(sys.stderr)
sys.exit(COMMAND_LINE_SYNTAX_ERROR)
actions = set()
silent = False
verbose = False
for o, _ in opts:
if o in ("-c", "--compare"):
actions.add("compare")
elif o in ("-d", "--to-deb"):
actions.add("to-deb")
elif o in ("-h", "--help"):
usage(sys.stdout)
sys.exit()
elif o in ("-m", "--to-moz"):
actions.add("to-moz")
elif o in ("-s", "--silent"):
silent = True
elif o in ("-v", "--verbose"):
verbose = True
else:
assert False, "unhandled option"
if len(actions) != 1:
if not silent:
print >> sys.stderr, "E: You must specify an action."
usage(sys.stderr)
sys.exit(COMMAND_LINE_SYNTAX_ERROR)
action = actions.pop()
if action == "compare":
if len(args) != 3:
if not silent:
usage(sys.stderr)
sys.exit(COMMAND_LINE_SYNTAX_ERROR)
if moz_version_compare(args[0], args[1], args[2], silent, verbose):
if verbose:
print "I: Compare expression true."
sys.exit(0)
else:
if verbose:
print "I: Compare expression false."
sys.exit(1)
elif action == "to-deb":
if len(args) != 1:
if not silent:
print >> sys.stderr, "E: The action --to-deb takes exactly " + \
"one argument."
sys.exit(COMMAND_LINE_SYNTAX_ERROR)
print convert_moz_to_debian_version(args[0], 0, verbose)
elif action == "to-moz":
if len(args) != 1:
if not silent:
print >> sys.stderr, "E: The action --to-moz takes exactly " + \
"one argument."
sys.exit(COMMAND_LINE_SYNTAX_ERROR)
print convert_debian_to_moz_version(args[0])
if __name__ == "__main__":
main()
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