from snapshot import *
def unpack_snapshot(triple, dl_path):
- print("opening snapshot " + dl_path)
- tar = tarfile.open(dl_path)
- kernel = get_kernel(triple)
+ print("opening snapshot " + dl_path)
+ tar = tarfile.open(dl_path)
+ kernel = get_kernel(triple)
- stagep = os.path.join(triple, "stage0")
+ stagep = os.path.join(triple, "stage0")
- # Remove files from prior unpackings, since snapshot rustc may not
- # be able to disambiguate between multiple candidate libraries.
- # (Leave dirs in place since extracting step still needs them.)
- for root, _, files in os.walk(stagep):
- for f in files:
- print("removing " + os.path.join(root, f))
- os.unlink(os.path.join(root, f))
+ # Remove files from prior unpackings, since snapshot rustc may not
+ # be able to disambiguate between multiple candidate libraries.
+ # (Leave dirs in place since extracting step still needs them.)
+ for root, _, files in os.walk(stagep):
+ for f in files:
+ print("removing " + os.path.join(root, f))
+ os.unlink(os.path.join(root, f))
- for p in tar.getnames():
- name = p.replace("rust-stage0/", "", 1);
+ for p in tar.getnames():
+ name = p.replace("rust-stage0/", "", 1);
- fp = os.path.join(stagep, name)
- print("extracting " + p)
- tar.extract(p, download_unpack_base)
- tp = os.path.join(download_unpack_base, p)
- if os.path.isdir(tp) and os.path.exists(fp):
- continue
- shutil.move(tp, fp)
- tar.close()
- shutil.rmtree(download_unpack_base)
+ fp = os.path.join(stagep, name)
+ print("extracting " + p)
+ tar.extract(p, download_unpack_base)
+ tp = os.path.join(download_unpack_base, p)
+ if os.path.isdir(tp) and os.path.exists(fp):
+ continue
+ shutil.move(tp, fp)
+ tar.close()
+ shutil.rmtree(download_unpack_base)
# Main
triple = sys.argv[1]
if len(sys.argv) == 3:
- dl_path = sys.argv[2]
+ 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)
+ 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 (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")
- else:
- raise Exception("bad hash on download")
+ 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)
+ dl_path = os.path.join(download_dir_base, snap)
unpack_snapshot(triple, dl_path)