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Fix git archive for .gitattributes #445

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Fix git archive for .gitattributes #445

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e526d57
Fix git archive for `.gitattributes`
LecrisUT Feb 27, 2023
d008bd1
Fix tar prefix
LecrisUT Mar 3, 2023
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2 changes: 1 addition & 1 deletion src/tito/builder/submodule_aware_builder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -86,7 +86,7 @@ def _setup_sources(self):

def run_git_archive(self, relative_git_dir, prefix, commit, dest_tar, subdir=None):
# command to generate a git-archive
git_archive_cmd = "git archive --format=tar --prefix=%s/ %s:%s --output=%s" % (
git_archive_cmd = "git archive --format=tar --prefix=%s/ %s %s --output=%s" % (
prefix,
commit,
relative_git_dir,
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27 changes: 23 additions & 4 deletions src/tito/common.py
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Original file line number Diff line number Diff line change
Expand Up @@ -868,8 +868,8 @@ def create_tgz(git_root, prefix, commit, relative_dir,
initial_tar = "%s.initial" % basename

# command to generate a git-archive
git_archive_cmd = 'git archive --format=tar --prefix=%s/ %s:%s --output=%s' % (
prefix, commit, relative_git_dir, initial_tar)
git_archive_cmd = 'git archive --format=tar %s %s --output=%s' % (
commit, relative_git_dir, initial_tar)
run_command(git_archive_cmd)

# Run git-archive separately if --debug was specified.
Expand All @@ -878,14 +878,33 @@ def create_tgz(git_root, prefix, commit, relative_dir,
debug('git-archive fails if relative dir is not in git tree',
'%s > /dev/null' % git_archive_cmd)

fixed_tar = "%s.tar" % basename
fixed_tar_fh = open(fixed_tar, 'wb')
fixed_timestamp_tar = "%s.fixed_timestamp" % basename
fixed_tar_fh = open(fixed_timestamp_tar, 'wb')
try:
tarfixer = TarFixer(open(initial_tar, 'rb'), fixed_tar_fh, timestamp, commit)
tarfixer.fix()
finally:
fixed_tar_fh.close()

# Fix tar archive locations
fixed_tar = "%s.tar" % basename
# First normalize paths
relative_git_dir = relative_git_dir.removeprefix("/").removeprefix("./")
if relative_git_dir and not relative_git_dir.endswith("/"):
# Note: if relative_git_dir is empty, it should remain empty
relative_git_dir += "/"
prefix = prefix.removeprefix("/").removeprefix("./")
if not prefix.endswith("/"):
prefix += "/"
# Extract archive to a temp folder
tar_extract_transform_cmd = 'tar -xf %s --transform="s|^%s|tmp_extract/%s|g"' % (
fixed_timestamp_tar, relative_git_dir, prefix)
run_command(tar_extract_transform_cmd)
# Re-compress the archive
tar_create_cmd = 'tar -cf %s -C tmp_extract/ %s' % (
fixed_tar, prefix)
run_command(tar_create_cmd)

# It's a pity we can't use Python's gzip, but it doesn't offer an equivalent of -n
return run_command("gzip -n -c < %s > %s" % (fixed_tar, dest_tgz))

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