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reproducible: Refactor: get_source_date_epoch_from_youngest_file()

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(From OE-Core rev: 2c8baf6c50e5a266a1e9ac939415bd481668e17e)

Signed-off-by: Douglas Royds <douglas.royds@taitradio.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Douglas Royds
2018-09-14 14:58:13 +12:00
committed by Richard Purdie
parent 1bf7337bf8
commit d872b0e51e
1 changed files with 40 additions and 33 deletions
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meta/classes/reproducible_build.bbclass
+40 -33
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@@ -49,15 +49,15 @@ do_deploy_source_date_epoch[sstate-plaindirs] = "${SDE_DIR}"
addtask do_deploy_source_date_epoch_setscene
addtask do_deploy_source_date_epoch before do_configure after do_patch
def get_source_date_epoch_known_files(d, path):
source_date_epoch = 0
def get_source_date_epoch_from_known_files(d, path):
source_date_epoch = None
known_files = set(["NEWS", "ChangeLog", "Changelog", "CHANGES"])
for file in known_files:
filepath = os.path.join(path,file)
if os.path.isfile(filepath):
mtime = int(os.lstat(filepath).st_mtime)
# There may be more than one "known_file" present, if so, use the youngest one
if mtime > source_date_epoch:
if not source_date_epoch or mtime > source_date_epoch:
source_date_epoch = mtime
return source_date_epoch
@@ -68,8 +68,8 @@ def find_git_folder(path):
if '.git' in dirs:
return root
def get_source_date_epoch_git(d, path):
source_date_epoch = 0
def get_source_date_epoch_from_git(d, path):
source_date_epoch = None
if "git://" in d.getVar('SRC_URI'):
gitpath = find_git_folder(d.getVar('WORKDIR'))
if gitpath != None:
@@ -84,6 +84,31 @@ def get_source_date_epoch_git(d, path):
bb.warn("Failed to find a git repository for path:%s" % (path))
return source_date_epoch
def get_source_date_epoch_from_youngest_file(d, path):
# Do it the hard way: check all files and find the youngest one...
source_date_epoch = None
newest_file = None
# Just in case S = WORKDIR
exclude = set(["build", "image", "license-destdir", "patches", "pseudo",
"recipe-sysroot", "recipe-sysroot-native", "sysroot-destdir", "temp"])
for root, dirs, files in os.walk(path, topdown=True):
files = [f for f in files if not f[0] == '.']
dirs[:] = [d for d in dirs if d not in exclude]
for fname in files:
filename = os.path.join(root, fname)
try:
mtime = int(os.lstat(filename).st_mtime)
except ValueError:
mtime = 0
if not source_date_epoch or mtime > source_date_epoch:
source_date_epoch = mtime
newest_file = filename
if newest_file != None:
bb.debug(1," SOURCE_DATE_EPOCH %d derived from: %s" % (source_date_epoch, newest_file))
return source_date_epoch
python do_create_source_date_epoch_stamp() {
path = d.getVar('S')
if not os.path.isdir(path):
@@ -95,35 +120,17 @@ python do_create_source_date_epoch_stamp() {
bb.debug(1, " path: %s reusing __source_date_epoch.txt" % epochfile)
return
source_date_epoch = get_source_date_epoch_git(d, path)
source_date_epoch = (
get_source_date_epoch_from_git(d, path) or
get_source_date_epoch_from_known_files(d, path) or
get_source_date_epoch_from_youngest_file(d, path) or
0 # Last resort
)
if source_date_epoch == 0:
source_date_epoch = get_source_date_epoch_known_files(d, path)
if source_date_epoch == 0:
# Do it the hard way: check all files and find the youngest one...
filename_dbg = None
exclude = set(["temp", "license-destdir", "patches", "recipe-sysroot-native", "recipe-sysroot", "pseudo", "build", "image", "sysroot-destdir"])
for root, dirs, files in os.walk(path, topdown=True):
files = [f for f in files if not f[0] == '.']
dirs[:] = [d for d in dirs if d not in exclude]
for fname in files:
filename = os.path.join(root, fname)
try:
mtime = int(os.lstat(filename).st_mtime)
except ValueError:
mtime = 0
if mtime > source_date_epoch:
source_date_epoch = mtime
filename_dbg = filename
if filename_dbg != None:
bb.debug(1," SOURCE_DATE_EPOCH %d derived from: %s" % (source_date_epoch, filename_dbg))
if source_date_epoch == 0:
# empty folder, not a single file ...
# kernel source do_unpack is special cased
if not bb.data.inherits_class('kernel', d):
bb.debug(1, "Unable to determine source_date_epoch! path:%s" % path)
# empty folder, not a single file ...
# kernel source do_unpack is special cased
if not bb.data.inherits_class('kernel', d):
bb.debug(1, "Unable to determine source_date_epoch! path:%s" % path)
bb.utils.mkdirhier(d.getVar('SDE_DIR'))
with open(epochfile, 'w') as f: