75 lines
2.6 KiB
Python
75 lines
2.6 KiB
Python
import sys
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import os
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from os import listdir
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from os.path import isfile, join
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from subprocess import PIPE, Popen
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# This is n list of files which are stable crates or simply are not crates,
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# we don't check for the instability of these crates as they're all stable!
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STABLE_CRATES = ['std', 'alloc', 'core', 'proc_macro',
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'rsbegin.o', 'rsend.o', 'dllcrt2.o', 'crt2.o', 'clang_rt']
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def convert_to_string(s):
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if s.__class__.__name__ == 'bytes':
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return s.decode('utf-8')
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return s
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def set_ld_lib_path():
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var = os.environ.get("LD_LIB_PATH_ENVVAR")
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rpath = os.environ.get("HOST_RPATH_DIR")
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if var and rpath:
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path = os.environ.get(var)
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if path:
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os.environ[var] = rpath + os.pathsep + path
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else:
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os.environ[var] = rpath
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def exec_command(command, to_input=None):
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child = None
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if to_input is None:
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child = Popen(command, stdout=PIPE, stderr=PIPE)
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else:
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child = Popen(command, stdout=PIPE, stderr=PIPE, stdin=PIPE)
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stdout, stderr = child.communicate(input=to_input)
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return (convert_to_string(stdout), convert_to_string(stderr))
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def check_lib(lib):
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if lib['name'] in STABLE_CRATES:
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return True
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print('verifying if {} is an unstable crate'.format(lib['name']))
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stdout, stderr = exec_command([os.environ['RUSTC'], '-', '--crate-type', 'rlib',
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'--extern', '{}={}'.format(lib['name'], lib['path'])],
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to_input=('extern crate {};'.format(lib['name'])).encode('utf-8'))
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if not 'use of unstable library feature' in '{}{}'.format(stdout, stderr):
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print('crate {} "{}" is not unstable'.format(lib['name'], lib['path']))
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print('{}{}'.format(stdout, stderr))
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print('')
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return False
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return True
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# Generate a list of all crates in the sysroot. To do this we list all files in
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# rustc's sysroot, look at the filename, strip everything after the `-`, and
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# strip the leading `lib` (if present)
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def get_all_libs(dir_path):
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return [{ 'path': join(dir_path, f), 'name': f[3:].split('-')[0] }
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for f in listdir(dir_path)
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if isfile(join(dir_path, f)) and f.endswith('.rlib') and f not in STABLE_CRATES]
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set_ld_lib_path()
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sysroot = exec_command([os.environ['RUSTC'], '--print', 'sysroot'])[0].replace('\n', '')
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assert sysroot, "Could not read the rustc sysroot!"
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libs = get_all_libs(join(sysroot, 'lib/rustlib/{}/lib'.format(os.environ['TARGET'])))
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ret = 0
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for lib in libs:
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if not check_lib(lib):
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# We continue so users can see all the not unstable crates.
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ret = 1
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sys.exit(ret)
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