libcryfs: Remove automatic version detection

This commit is contained in:
Matéo Duparc 2022-06-26 15:08:23 +02:00
parent cabe9180e7
commit 356cf8a160
Signed by: hardcoresushi
GPG Key ID: AFE384344A45E13A
13 changed files with 11 additions and 2335 deletions

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@ -42,5 +42,8 @@ if(MSVC)
add_definitions(/bigobj)
endif()
# Hardcoded version. Don't forget to change this when merging upstream!
set(GIT_VERSION "0.11.2-libcryfs")
add_subdirectory(vendor EXCLUDE_FROM_ALL)
add_subdirectory(src)

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@ -14,6 +14,7 @@ Here is what has been modified from the original project:
- sh scripts, `cpack`, `doc`, `test` and `vendor/googletest` deleted
- Main program `cryfs-cli` removed
- boost build configured with [Boost-for-Android](https://github.com/moritz-wundke/Boost-for-Android)
- Automatic version detection removed
- Interactive mode removed (including any writes to stdout)
- Logging output redirected to logcat
- JNI API created in `src/jni`

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@ -145,7 +145,7 @@ namespace cryfs_cli {
return make_shared<fspp::FilesystemImpl>(std::move(*_device));
};
fuse = new fspp::fuse::Fuse(initFilesystem, "cryfs", "cryfs@" + options.baseDir().string());
fuse = new fspp::fuse::Fuse(initFilesystem);
fuse->init();
return fuse;

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@ -58,16 +58,8 @@ public:
// Remove the following line, if you don't want to output each fuse operation on the console
//#define FSPP_LOG 1
Fuse::~Fuse() {
for(char *arg : _argv) {
delete[] arg;
arg = nullptr;
}
_argv.clear();
}
Fuse::Fuse(std::function<shared_ptr<Filesystem> ()> init, std::string fstype, boost::optional<std::string> fsname)
:_init(std::move(init)), _fs(make_shared<InvalidFilesystem>()), _running(false), _fstype(std::move(fstype)), _fsname(std::move(fsname)) {
Fuse::Fuse(std::function<shared_ptr<Filesystem> ()> init)
:_init(std::move(init)), _fs(make_shared<InvalidFilesystem>()), _running(false) {
ASSERT(static_cast<bool>(_init), "Invalid init given");
}

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@ -25,8 +25,7 @@ class Filesystem;
class Fuse final {
public:
explicit Fuse(std::function<std::shared_ptr<Filesystem> ()> init, std::string fstype, boost::optional<std::string> fsname);
~Fuse();
explicit Fuse(std::function<std::shared_ptr<Filesystem> ()> init);
bool running() const;
void stop();
@ -71,10 +70,7 @@ private:
std::function<std::shared_ptr<Filesystem> ()> _init;
std::shared_ptr<Filesystem> _fs;
std::vector<char*> _argv;
std::atomic<bool> _running;
std::string _fstype;
boost::optional<std::string> _fsname;
boost::optional<Context> _context;
::uid_t uid;
::gid_t gid;

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@ -1,8 +1,5 @@
project (gitversion)
include(gitversion.cmake)
get_git_version(GIT_VERSION)
set(SOURCES
gitversion.cpp
versionstring.cpp
@ -12,6 +9,9 @@ set(SOURCES
add_library(${PROJECT_NAME} STATIC ${SOURCES})
target_link_libraries(${PROJECT_NAME} PUBLIC boost)
if (NOT DEFINED GIT_VERSION)
message(FATAL_ERROR "GIT_VERSION not defined")
endif()
target_compile_definitions(${PROJECT_NAME} PRIVATE GIT_VERSION_STRING="${GIT_VERSION}")
target_add_boost(${PROJECT_NAME})
target_enable_style_warnings(${PROJECT_NAME})

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@ -1,3 +0,0 @@
include versioneer.py
include _version_source.py
include _version.py

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@ -1,487 +0,0 @@
# This file helps to compute a version number in source trees obtained from
# git-archive tarball (such as those provided by githubs download-from-tag
# feature). Distribution tarballs (built by setup.py sdist) and build
# directories (produced by setup.py build) will contain a much shorter file
# that just contains the computed version number.
# This file is released into the public domain. Generated by
# versioneer-0.15+dev (https://github.com/warner/python-versioneer)
"""Git implementation of _version.py."""
import errno
import os
import re
import subprocess
import sys
def get_keywords():
"""Get the keywords needed to look up the version information."""
# these strings will be replaced by git during git-archive.
# setup.py/versioneer.py will grep for the variable names, so they must
# each be defined on a line of their own. _version.py will just call
# get_keywords().
git_refnames = "$Format:%d$"
git_full = "$Format:%H$"
keywords = {"refnames": git_refnames, "full": git_full}
return keywords
class VersioneerConfig:
"""Container for Versioneer configuration parameters."""
def get_config():
"""Create, populate and return the VersioneerConfig() object."""
# these strings are filled in when 'setup.py versioneer' creates
# _version.py
cfg = VersioneerConfig()
cfg.VCS = "git"
cfg.style = "pep440"
cfg.tag_prefix = ""
cfg.parentdir_prefix = "cryfs-"
cfg.versionfile_source = "_version.py"
cfg.verbose = False
return cfg
class NotThisMethod(Exception):
"""Exception raised if a method is not valid for the current scenario."""
LONG_VERSION_PY = {}
HANDLERS = {}
def register_vcs_handler(vcs, method): # decorator
"""Decorator to mark a method as the handler for a particular VCS."""
def decorate(f):
"""Store f in HANDLERS[vcs][method]."""
if vcs not in HANDLERS:
HANDLERS[vcs] = {}
HANDLERS[vcs][method] = f
return f
return decorate
def run_command(commands, args, cwd=None, verbose=False, hide_stderr=False):
"""Call the given command(s)."""
assert isinstance(commands, list)
p = None
for c in commands:
try:
dispcmd = str([c] + args)
# remember shell=False, so use git.cmd on windows, not just git
p = subprocess.Popen([c] + args, cwd=cwd, stdout=subprocess.PIPE,
stderr=(subprocess.PIPE if hide_stderr
else None))
break
except EnvironmentError:
e = sys.exc_info()[1]
if e.errno == errno.ENOENT:
continue
if verbose:
print("unable to run %s" % dispcmd)
print(e)
return None
else:
if verbose:
print("unable to find command, tried %s" % (commands,))
return None
stdout = p.communicate()[0].strip()
if sys.version_info[0] >= 3:
stdout = stdout.decode()
if p.returncode != 0:
if verbose:
print("unable to run %s (error)" % dispcmd)
return None
return stdout
def versions_from_parentdir(parentdir_prefix, root, verbose):
"""Try to determine the version from the parent directory name.
Source tarballs conventionally unpack into a directory that includes
both the project name and a version string.
"""
# -- (MESSMER) CHANGED FOLLOWING LINE TO LOOK IN ../.. instead of . --
dirname = os.path.basename(os.path.abspath(os.path.join(os.path.join(root, '..'), '..')))
if not dirname.startswith(parentdir_prefix):
if verbose:
print("guessing rootdir is '%s', but '%s' doesn't start with "
"prefix '%s'" % (root, dirname, parentdir_prefix))
raise NotThisMethod("rootdir doesn't start with parentdir_prefix")
return {"version": dirname[len(parentdir_prefix):],
"full-revisionid": None,
"dirty": False, "error": None}
@register_vcs_handler("git", "get_keywords")
def git_get_keywords(versionfile_abs):
"""Extract version information from the given file."""
# the code embedded in _version.py can just fetch the value of these
# keywords. When used from setup.py, we don't want to import _version.py,
# so we do it with a regexp instead. This function is not used from
# _version.py.
keywords = {}
try:
f = open(versionfile_abs, "r")
for line in f.readlines():
if line.strip().startswith("git_refnames ="):
mo = re.search(r'=\s*"(.*)"', line)
if mo:
keywords["refnames"] = mo.group(1)
if line.strip().startswith("git_full ="):
mo = re.search(r'=\s*"(.*)"', line)
if mo:
keywords["full"] = mo.group(1)
f.close()
except EnvironmentError:
pass
return keywords
@register_vcs_handler("git", "keywords")
def git_versions_from_keywords(keywords, tag_prefix, verbose):
"""Get version information from git keywords."""
if not keywords:
raise NotThisMethod("no keywords at all, weird")
refnames = keywords["refnames"].strip()
if refnames.startswith("$Format"):
if verbose:
print("keywords are unexpanded, not using")
raise NotThisMethod("unexpanded keywords, not a git-archive tarball")
refs = set([r.strip() for r in refnames.strip("()").split(",")])
# starting in git-1.8.3, tags are listed as "tag: foo-1.0" instead of
# just "foo-1.0". If we see a "tag: " prefix, prefer those.
TAG = "tag: "
tags = set([r[len(TAG):] for r in refs if r.startswith(TAG)])
if not tags:
# Either we're using git < 1.8.3, or there really are no tags. We use
# a heuristic: assume all version tags have a digit. The old git %d
# expansion behaves like git log --decorate=short and strips out the
# refs/heads/ and refs/tags/ prefixes that would let us distinguish
# between branches and tags. By ignoring refnames without digits, we
# filter out many common branch names like "release" and
# "stabilization", as well as "HEAD" and "master".
tags = set([r for r in refs if re.search(r'\d', r)])
if verbose:
print("discarding '%s', no digits" % ",".join(refs-tags))
if verbose:
print("likely tags: %s" % ",".join(sorted(tags)))
for ref in sorted(tags):
# sorting will prefer e.g. "2.0" over "2.0rc1"
if ref.startswith(tag_prefix):
r = ref[len(tag_prefix):]
if verbose:
print("picking %s" % r)
return {"version": r,
"full-revisionid": keywords["full"].strip(),
"dirty": False, "error": None
}
# no suitable tags, so version is "0+unknown", but full hex is still there
if verbose:
print("no suitable tags, using unknown + full revision id")
return {"version": "0+unknown",
"full-revisionid": keywords["full"].strip(),
"dirty": False, "error": "no suitable tags"}
@register_vcs_handler("git", "pieces_from_vcs")
def git_pieces_from_vcs(tag_prefix, root, verbose, run_command=run_command):
"""Get version from 'git describe' in the root of the source tree.
This only gets called if the git-archive 'subst' keywords were *not*
expanded, and _version.py hasn't already been rewritten with a short
version string, meaning we're inside a checked out source tree.
"""
if not os.path.exists(os.path.join(root, ".git")):
if verbose:
print("no .git in %s" % root)
raise NotThisMethod("no .git directory")
GITS = ["git"]
if sys.platform == "win32":
GITS = ["git.cmd", "git.exe"]
# if there is a tag matching tag_prefix, this yields TAG-NUM-gHEX[-dirty]
# if there isn't one, this yields HEX[-dirty] (no NUM)
describe_out = run_command(GITS, ["describe", "--tags", "--dirty",
"--always", "--long",
"--match", "%s*" % tag_prefix],
cwd=root)
# --long was added in git-1.5.5
if describe_out is None:
raise NotThisMethod("'git describe' failed")
describe_out = describe_out.strip()
full_out = run_command(GITS, ["rev-parse", "HEAD"], cwd=root)
if full_out is None:
raise NotThisMethod("'git rev-parse' failed")
full_out = full_out.strip()
pieces = {}
pieces["long"] = full_out
pieces["short"] = full_out[:7] # maybe improved later
pieces["error"] = None
# parse describe_out. It will be like TAG-NUM-gHEX[-dirty] or HEX[-dirty]
# TAG might have hyphens.
git_describe = describe_out
# look for -dirty suffix
dirty = git_describe.endswith("-dirty")
pieces["dirty"] = dirty
if dirty:
git_describe = git_describe[:git_describe.rindex("-dirty")]
# now we have TAG-NUM-gHEX or HEX
if "-" in git_describe:
# TAG-NUM-gHEX
mo = re.search(r'^(.+)-(\d+)-g([0-9a-f]+)$', git_describe)
if not mo:
# unparseable. Maybe git-describe is misbehaving?
pieces["error"] = ("unable to parse git-describe output: '%s'"
% describe_out)
return pieces
# tag
full_tag = mo.group(1)
if not full_tag.startswith(tag_prefix):
if verbose:
fmt = "tag '%s' doesn't start with prefix '%s'"
print(fmt % (full_tag, tag_prefix))
pieces["error"] = ("tag '%s' doesn't start with prefix '%s'"
% (full_tag, tag_prefix))
return pieces
pieces["closest-tag"] = full_tag[len(tag_prefix):]
# distance: number of commits since tag
pieces["distance"] = int(mo.group(2))
# commit: short hex revision ID
pieces["short"] = mo.group(3)
else:
# HEX: no tags
pieces["closest-tag"] = None
count_out = run_command(GITS, ["rev-list", "HEAD", "--count"],
cwd=root)
pieces["distance"] = int(count_out) # total number of commits
return pieces
def plus_or_dot(pieces):
"""Return a + if we don't already have one, else return a ."""
if "+" in pieces.get("closest-tag", ""):
return "."
return "+"
def render_pep440(pieces):
"""Build up version string, with post-release "local version identifier".
Our goal: TAG[+DISTANCE.gHEX[.dirty]] . Note that if you
get a tagged build and then dirty it, you'll get TAG+0.gHEX.dirty
Exceptions:
1: no tags. git_describe was just HEX. 0+untagged.DISTANCE.gHEX[.dirty]
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
if pieces["distance"] or pieces["dirty"]:
rendered += plus_or_dot(pieces)
rendered += "%d.g%s" % (pieces["distance"], pieces["short"])
if pieces["dirty"]:
rendered += ".dirty"
else:
# exception #1
rendered = "0+untagged.%d.g%s" % (pieces["distance"],
pieces["short"])
if pieces["dirty"]:
rendered += ".dirty"
return rendered
def render_pep440_pre(pieces):
"""TAG[.post.devDISTANCE] -- No -dirty.
Exceptions:
1: no tags. 0.post.devDISTANCE
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
if pieces["distance"]:
rendered += ".post.dev%d" % pieces["distance"]
else:
# exception #1
rendered = "0.post.dev%d" % pieces["distance"]
return rendered
def render_pep440_post(pieces):
"""TAG[.postDISTANCE[.dev0]+gHEX] .
The ".dev0" means dirty. Note that .dev0 sorts backwards
(a dirty tree will appear "older" than the corresponding clean one),
but you shouldn't be releasing software with -dirty anyways.
Exceptions:
1: no tags. 0.postDISTANCE[.dev0]
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
if pieces["distance"] or pieces["dirty"]:
rendered += ".post%d" % pieces["distance"]
if pieces["dirty"]:
rendered += ".dev0"
rendered += plus_or_dot(pieces)
rendered += "g%s" % pieces["short"]
else:
# exception #1
rendered = "0.post%d" % pieces["distance"]
if pieces["dirty"]:
rendered += ".dev0"
rendered += "+g%s" % pieces["short"]
return rendered
def render_pep440_old(pieces):
"""TAG[.postDISTANCE[.dev0]] .
The ".dev0" means dirty.
Eexceptions:
1: no tags. 0.postDISTANCE[.dev0]
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
if pieces["distance"] or pieces["dirty"]:
rendered += ".post%d" % pieces["distance"]
if pieces["dirty"]:
rendered += ".dev0"
else:
# exception #1
rendered = "0.post%d" % pieces["distance"]
if pieces["dirty"]:
rendered += ".dev0"
return rendered
def render_git_describe(pieces):
"""TAG[-DISTANCE-gHEX][-dirty].
Like 'git describe --tags --dirty --always'.
Exceptions:
1: no tags. HEX[-dirty] (note: no 'g' prefix)
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
if pieces["distance"]:
rendered += "-%d-g%s" % (pieces["distance"], pieces["short"])
else:
# exception #1
rendered = pieces["short"]
if pieces["dirty"]:
rendered += "-dirty"
return rendered
def render_git_describe_long(pieces):
"""TAG-DISTANCE-gHEX[-dirty].
Like 'git describe --tags --dirty --always -long'.
The distance/hash is unconditional.
Exceptions:
1: no tags. HEX[-dirty] (note: no 'g' prefix)
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
rendered += "-%d-g%s" % (pieces["distance"], pieces["short"])
else:
# exception #1
rendered = pieces["short"]
if pieces["dirty"]:
rendered += "-dirty"
return rendered
def render(pieces, style):
"""Render the given version pieces into the requested style."""
if pieces["error"]:
return {"version": "unknown",
"full-revisionid": pieces.get("long"),
"dirty": None,
"error": pieces["error"]}
if not style or style == "default":
style = "pep440" # the default
if style == "pep440":
rendered = render_pep440(pieces)
elif style == "pep440-pre":
rendered = render_pep440_pre(pieces)
elif style == "pep440-post":
rendered = render_pep440_post(pieces)
elif style == "pep440-old":
rendered = render_pep440_old(pieces)
elif style == "git-describe":
rendered = render_git_describe(pieces)
elif style == "git-describe-long":
rendered = render_git_describe_long(pieces)
else:
raise ValueError("unknown style '%s'" % style)
return {"version": rendered, "full-revisionid": pieces["long"],
"dirty": pieces["dirty"], "error": None}
def get_versions():
"""Get version information or return default if unable to do so."""
# I am in _version.py, which lives at ROOT/VERSIONFILE_SOURCE. If we have
# __file__, we can work backwards from there to the root. Some
# py2exe/bbfreeze/non-CPython implementations don't do __file__, in which
# case we can only use expanded keywords.
cfg = get_config()
verbose = cfg.verbose
try:
return git_versions_from_keywords(get_keywords(), cfg.tag_prefix,
verbose)
except NotThisMethod:
pass
try:
root = os.path.realpath(__file__)
# versionfile_source is the relative path from the top of the source
# tree (where the .git directory might live) to this file. Invert
# this to find the root from __file__.
for i in cfg.versionfile_source.split('/'):
root = os.path.dirname(root)
except NameError:
return {"version": "0+unknown", "full-revisionid": None,
"dirty": None,
"error": "unable to find root of source tree"}
try:
pieces = git_pieces_from_vcs(cfg.tag_prefix, root, verbose)
return render(pieces, cfg.style)
except NotThisMethod:
pass
try:
if cfg.parentdir_prefix:
return versions_from_parentdir(cfg.parentdir_prefix, root, verbose)
except NotThisMethod:
pass
return {"version": "0+unknown", "full-revisionid": None,
"dirty": None,
"error": "unable to compute version"}

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@ -1,5 +0,0 @@
#!/usr/bin/env python
import versioneer
print(versioneer.get_version())

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@ -1,18 +0,0 @@
set(DIR_OF_GITVERSION_TOOL "${CMAKE_CURRENT_LIST_DIR}" CACHE INTERNAL "DIR_OF_GITVERSION_TOOL")
function (get_git_version OUTPUT_VARIABLE)
EXECUTE_PROCESS(COMMAND python3 ${DIR_OF_GITVERSION_TOOL}/getversion.py
WORKING_DIRECTORY ${DIR_OF_GITVERSION_TOOL}
OUTPUT_VARIABLE VERSION
ERROR_VARIABLE error
RESULT_VARIABLE result)
STRING(STRIP "${VERSION}" STRIPPED_VERSION)
SET(${OUTPUT_VARIABLE} "${STRIPPED_VERSION}" CACHE INTERNAL "${OUTPUT_VARIABLE}")
MESSAGE(STATUS "Building version ${${OUTPUT_VARIABLE}}")
IF(NOT ${result} EQUAL 0)
MESSAGE(FATAL_ERROR "Error running versioneer. Return code is: ${result}, error message is: ${error}")
ENDIF()
IF("${STRIPPED_VERSION}" STREQUAL "0+unknown")
MESSAGE(FATAL_ERROR "Unable to find git version information. Please build directly from a git repository (i.e. after git clone).")
ENDIF()
endfunction(get_git_version)

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@ -1,12 +0,0 @@
# See the docstring in versioneer.py for instructions. Note that you must
# re-run 'versioneer.py setup' after changing this section, and commit the
# resulting files.
[versioneer]
VCS = git
style = pep440
versionfile_source = _version.py
versionfile_build = None
tag_prefix =
parentdir_prefix = cryfs-

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@ -1,13 +0,0 @@
#!/usr/bin/env python
from setuptools import setup
import versioneer
setup(name='git-version',
version=versioneer.get_version(),
cmdclass=versioneer.get_cmdclass(),
description='Make git version information (e.g. git tag name, git commit id, ...) available to C++ source files.',
author='Sebastian Messmer',
author_email='messmer@cryfs.org',
license='LGPLv3'
)

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