81 lines
2.2 KiB
Python
81 lines
2.2 KiB
Python
# Copyright 2018 Open Source Foundries Limited.
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#
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# SPDX-License-Identifier: Apache-2.0
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'''Miscellaneous utilities used by west
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'''
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import os
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import shlex
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import textwrap
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def quote_sh_list(cmd):
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'''Transform a command from list into shell string form.'''
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fmt = ' '.join('{}' for _ in cmd)
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args = [shlex.quote(s) for s in cmd]
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return fmt.format(*args)
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def wrap(text, indent):
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'''Convenience routine for wrapping text to a consistent indent.'''
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return textwrap.wrap(text, initial_indent=indent,
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subsequent_indent=indent)
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class WestNotFound(RuntimeError):
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'''Neither the current directory nor any parent has a West installation.'''
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def west_dir(start=None):
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'''Returns the absolute path of the west/ top level directory.
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Starts the search from the start directory, and goes to its
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parents. If the start directory is not specified, the current
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directory is used.
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Raises WestNotFound if no west top-level directory is found.
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'''
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return os.path.join(west_topdir(start), 'west')
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def west_topdir(start=None):
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'''
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Like west_dir(), but returns the path to the parent directory of the west/
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directory instead, where project repositories are stored
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'''
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# If you change this function, make sure to update the bootstrap
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# script's find_west_topdir().
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if start is None:
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cur_dir = os.getcwd()
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else:
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cur_dir = start
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while True:
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if os.path.isfile(os.path.join(cur_dir, 'west', '.west_topdir')):
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return cur_dir
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parent_dir = os.path.dirname(cur_dir)
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if cur_dir == parent_dir:
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# At the root
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raise WestNotFound('Could not find a West installation '
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'in this or any parent directory')
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cur_dir = parent_dir
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def in_multirepo_install(start=None):
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'''Returns True iff the path ``start`` is in a multi-repo installation.
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If start is not given, it defaults to the current working directory.
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This is equivalent to checking if west_dir() raises an exception
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when given the same start kwarg.
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'''
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try:
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west_topdir(start)
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result = True
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except WestNotFound:
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result = False
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return result
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