109 lines
3.9 KiB
Python
109 lines
3.9 KiB
Python
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#
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# SPDX-License-Identifier: GPL-2.0-only
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#
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import os
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import subprocess
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import bb
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def get_source_date_epoch_from_known_files(d, sourcedir):
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source_date_epoch = None
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newest_file = None
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known_files = set(["NEWS", "ChangeLog", "Changelog", "CHANGES"])
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for file in known_files:
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filepath = os.path.join(sourcedir, file)
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if os.path.isfile(filepath):
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mtime = int(os.lstat(filepath).st_mtime)
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# There may be more than one "known_file" present, if so, use the youngest one
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if not source_date_epoch or mtime > source_date_epoch:
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source_date_epoch = mtime
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newest_file = filepath
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if newest_file:
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bb.debug(1, "SOURCE_DATE_EPOCH taken from: %s" % newest_file)
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return source_date_epoch
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def find_git_folder(d, sourcedir):
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# First guess: WORKDIR/git
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# This is the default git fetcher unpack path
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workdir = d.getVar('WORKDIR')
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gitpath = os.path.join(workdir, "git/.git")
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if os.path.isdir(gitpath):
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return gitpath
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# Second guess: ${S}
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gitpath = os.path.join(sourcedir, ".git")
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if os.path.isdir(gitpath):
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return gitpath
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# Perhaps there was a subpath or destsuffix specified.
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# Go looking in the WORKDIR
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exclude = set(["build", "image", "license-destdir", "patches", "pseudo",
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"recipe-sysroot", "recipe-sysroot-native", "sysroot-destdir", "temp"])
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for root, dirs, files in os.walk(workdir, topdown=True):
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dirs[:] = [d for d in dirs if d not in exclude]
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if '.git' in dirs:
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return os.path.join(root, ".git")
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bb.warn("Failed to find a git repository in WORKDIR: %s" % workdir)
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return None
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def get_source_date_epoch_from_git(d, sourcedir):
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if not "git://" in d.getVar('SRC_URI') and not "gitsm://" in d.getVar('SRC_URI'):
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return None
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gitpath = find_git_folder(d, sourcedir)
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if not gitpath:
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return None
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# Check that the repository has a valid HEAD; it may not if subdir is used
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# in SRC_URI
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p = subprocess.run(['git', '--git-dir', gitpath, 'rev-parse', 'HEAD'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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if p.returncode != 0:
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bb.debug(1, "%s does not have a valid HEAD: %s" % (gitpath, p.stdout.decode('utf-8')))
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return None
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bb.debug(1, "git repository: %s" % gitpath)
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p = subprocess.run(['git', '--git-dir', gitpath, 'log', '-1', '--pretty=%ct'], check=True, stdout=subprocess.PIPE)
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return int(p.stdout.decode('utf-8'))
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def get_source_date_epoch_from_youngest_file(d, sourcedir):
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if sourcedir == d.getVar('WORKDIR'):
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# These sources are almost certainly not from a tarball
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return None
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# Do it the hard way: check all files and find the youngest one...
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source_date_epoch = None
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newest_file = None
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for root, dirs, files in os.walk(sourcedir, topdown=True):
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files = [f for f in files if not f[0] == '.']
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for fname in files:
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filename = os.path.join(root, fname)
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try:
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mtime = int(os.lstat(filename).st_mtime)
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except ValueError:
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mtime = 0
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if not source_date_epoch or mtime > source_date_epoch:
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source_date_epoch = mtime
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newest_file = filename
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if newest_file:
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bb.debug(1, "Newest file found: %s" % newest_file)
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return source_date_epoch
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def fixed_source_date_epoch(d):
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bb.debug(1, "No tarball or git repo found to determine SOURCE_DATE_EPOCH")
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source_date_epoch = d.getVar('SOURCE_DATE_EPOCH_FALLBACK')
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if source_date_epoch:
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bb.debug(1, "Using SOURCE_DATE_EPOCH_FALLBACK")
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return int(source_date_epoch)
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return 0
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def get_source_date_epoch(d, sourcedir):
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return (
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get_source_date_epoch_from_git(d, sourcedir) or
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get_source_date_epoch_from_known_files(d, sourcedir) or
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get_source_date_epoch_from_youngest_file(d, sourcedir) or
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fixed_source_date_epoch(d) # Last resort
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)
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