mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-05 02:36:39 +09:00
83d290c56f
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
120 lines
3.2 KiB
Python
120 lines
3.2 KiB
Python
# SPDX-License-Identifier: GPL-2.0+
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#
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# Copyright (c) 2016 Google, Inc
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#
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import os
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import shutil
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import tempfile
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import tout
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outdir = None
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indirs = None
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preserve_outdir = False
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def PrepareOutputDir(dirname, preserve=False):
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"""Select an output directory, ensuring it exists.
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This either creates a temporary directory or checks that the one supplied
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by the user is valid. For a temporary directory, it makes a note to
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remove it later if required.
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Args:
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dirname: a string, name of the output directory to use to store
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intermediate and output files. If is None - create a temporary
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directory.
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preserve: a Boolean. If outdir above is None and preserve is False, the
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created temporary directory will be destroyed on exit.
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Raises:
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OSError: If it cannot create the output directory.
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"""
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global outdir, preserve_outdir
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preserve_outdir = dirname or preserve
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if dirname:
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outdir = dirname
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if not os.path.isdir(outdir):
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try:
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os.makedirs(outdir)
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except OSError as err:
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raise CmdError("Cannot make output directory '%s': '%s'" %
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(outdir, err.strerror))
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tout.Debug("Using output directory '%s'" % outdir)
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else:
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outdir = tempfile.mkdtemp(prefix='binman.')
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tout.Debug("Using temporary directory '%s'" % outdir)
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def _RemoveOutputDir():
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global outdir
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shutil.rmtree(outdir)
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tout.Debug("Deleted temporary directory '%s'" % outdir)
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outdir = None
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def FinaliseOutputDir():
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global outdir, preserve_outdir
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"""Tidy up: delete output directory if temporary and not preserved."""
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if outdir and not preserve_outdir:
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_RemoveOutputDir()
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def GetOutputFilename(fname):
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"""Return a filename within the output directory.
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Args:
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fname: Filename to use for new file
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Returns:
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The full path of the filename, within the output directory
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"""
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return os.path.join(outdir, fname)
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def _FinaliseForTest():
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"""Remove the output directory (for use by tests)"""
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global outdir
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if outdir:
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_RemoveOutputDir()
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def SetInputDirs(dirname):
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"""Add a list of input directories, where input files are kept.
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Args:
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dirname: a list of paths to input directories to use for obtaining
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files needed by binman to place in the image.
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"""
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global indir
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indir = dirname
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tout.Debug("Using input directories %s" % indir)
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def GetInputFilename(fname):
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"""Return a filename for use as input.
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Args:
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fname: Filename to use for new file
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Returns:
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The full path of the filename, within the input directory
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"""
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if not indir:
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return fname
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for dirname in indir:
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pathname = os.path.join(dirname, fname)
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if os.path.exists(pathname):
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return pathname
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raise ValueError("Filename '%s' not found in input path (%s)" %
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(fname, ','.join(indir)))
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def Align(pos, align):
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if align:
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mask = align - 1
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pos = (pos + mask) & ~mask
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return pos
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def NotPowerOfTwo(num):
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return num and (num & (num - 1))
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