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build_remote.py: better detection of invalid snaps

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This commit is contained in:
Will Greenberg
2026-07-21 17:02:15 -07:00
parent c777edbf77
commit 9dd1f5eb4c
1 changed files with 9 additions and 6 deletions
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tools/snap/build_remote.py
+9 -6
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@@ -144,14 +144,17 @@ def _build_snap(
for arch in archs:
snap_path_list = glob.glob(join(workspace, f'{target}_*_{arch}.snap'))
assert len(snap_path_list) == 1
with open(snap_path_list[0], 'r') as f:
with open(snap_path_list[0], 'rb') as f:
first_block = f.read(10)
# 'hsqs' is the magic number that SquashFS files start with
if first_block.startswith(b'hsqs'):
continue
failed_archs.add(arch)
try:
first_line = f.readline().rstrip()
first_block_str = first_block.decode()
except UnicodeDecodeError:
first_line = ''
if first_line == "<!DOCTYPE html>":
failed_archs.add(arch)
print(f'The {target} {arch} snap file contains html instead of a snap')
first_block_str = first_block.hex()
print(f'The {target} {arch} snap file began with invalid data: {first_block_str}')
dump_output = bool(failed_archs)
if not dump_output: