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sb/build: Add -E to '%source setup' to handle tar dependency errors.

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Tar on Windows raises an error if a symlink appears before the target.
Windows needs the target to exist before a link can be created. This
patch adds support via the -E option to catch the error and rerun the
tar command a second time. The symlink should work as the target should
exist on the second pass.
This commit is contained in:
Chris Johns 2019-10-25 09:11:28 +11:00
parent 6bfc817f65
commit 591deae6d7
1 changed files with 25 additions and 1 deletions
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26
source-builder/sb/build.py
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@ -276,7 +276,7 @@ class build:
setup_name = args[1]
args = args[1:]
try:
opts, args = getopt.getopt(args[1:], 'qDcn:bas:g')
opts, args = getopt.getopt(args[1:], 'qDcn:bas:gE')
except getopt.GetoptError as ge:
raise error.general('source setup error: %s' % str(ge))
quiet = False
@ -286,6 +286,7 @@ class build:
deleted_dir = False
created_dir = False
changed_dir = False
no_errors = False
strip_components = 0
opt_name = None
download_only = False
@ -302,6 +303,8 @@ class build:
unpack_before_chdir = True
elif o[0] == '-a':
unpack_before_chdir = False
elif o[0] == '-E':
no_errors = True
elif o[0] == '-s':
if not o[1].isdigit():
raise error.general('source setup error: invalid strip count: %s' % \
@ -332,7 +335,28 @@ class build:
name is not None:
self.script_build.append(self.config.expand('cd ' + name))
changed_dir = True
#
# On Windows tar can fail on links if the link appears in the
# tar file before the target of the link exists. We can assume the
# tar file is correct, that is all files and links are valid,
# so on error redo the untar a second time.
#
if options.host_windows or no_errors:
self.script_build.append('set +e')
self.script_build.append(self.config.expand(source['script']))
if options.host_windows or not no_errors:
self.script_build.append('tar_exit=$?')
if options.host_windows or no_errors:
self.script_build.append('set -e')
if options.host_windows:
if no_errors:
self.script_build.append(' set +e')
self.script_build.append(' ' + self.config.expand(source['script']))
self.script_build.append(' set -e')
else:
self.script_build.append('if test $tar_exit != 0; then')
self.script_build.append(' ' + self.config.expand(source['script']))
self.script_build.append('fi')
if not changed_dir and (unpack_before_chdir and not create_dir) and \
name is not None and not download_only:
self.script_build.append(self.config.expand('cd ' + name))