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make get-snapshot externally usable

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This commit is contained in:
Richo Healey 2015-01-27 00:10:27 -08:00
parent f230683b1a
commit 958dea1745
1 changed files with 21 additions and 17 deletions
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38
src/etc/get-snapshot.py
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@ -48,23 +48,27 @@ def unpack_snapshot(triple, dl_path):
# The first is the O/S triple.
# The second is an optional path to the snapshot to use.
triple = sys.argv[1]
if len(sys.argv) == 3:
dl_path = sys.argv[2]
else:
snap = determine_curr_snapshot(triple)
dl = os.path.join(download_dir_base, snap)
url = download_url_base + "/" + snap
print("determined most recent snapshot: " + snap)
if (not os.path.exists(dl)):
get_url_to_file(url, dl)
if (snap_filename_hash_part(snap) == hash_file(dl)):
print("got download with ok hash")
def main(argv):
triple = argv[1]
if len(argv) == 3:
dl_path = argv[2]
else:
raise Exception("bad hash on download")
snap = determine_curr_snapshot(triple)
dl = os.path.join(download_dir_base, snap)
url = download_url_base + "/" + snap
print("determined most recent snapshot: " + snap)
dl_path = os.path.join(download_dir_base, snap)
if (not os.path.exists(dl)):
get_url_to_file(url, dl)
unpack_snapshot(triple, dl_path)
if (snap_filename_hash_part(snap) == hash_file(dl)):
print("got download with ok hash")
else:
raise Exception("bad hash on download")
dl_path = os.path.join(download_dir_base, snap)
unpack_snapshot(triple, dl_path)
if __name__ == '__main__':
main(sys.argv)