124 lines
3.0 KiB
Python
124 lines
3.0 KiB
Python
import re, os, sys, hashlib, tarfile, shutil, subprocess, tempfile
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def scrub(b):
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if sys.version_info >= (3,) and type(b) == bytes:
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return b.decode('ascii')
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else:
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return b
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src_dir = scrub(os.getenv("CFG_SRC_DIR"))
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if not src_dir:
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raise Exception("missing env var CFG_SRC_DIR")
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snapshotfile = os.path.join(src_dir, "src", "snapshots.txt")
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download_url_base = "http://dl.rust-lang.org/stage0-snapshots"
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download_dir_base = "dl"
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download_unpack_base = os.path.join(download_dir_base, "unpack")
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snapshot_files = {
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"linux": ["rustc", "glue.o", "libstd.so" ],
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"macos": ["rustc", "glue.o", "libstd.dylib" ],
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"winnt": ["rustc.exe", "glue.o", "std.dll" ]
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}
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def parse_line(n, line):
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global snapshotfile
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if re.match(r"\s*$", line): return None
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match = re.match(r"\s+([\w_-]+) ([a-fA-F\d]{40})\s*$", line)
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if match:
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return { "type": "file",
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"platform": match.group(1),
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"hash": match.group(2).lower() }
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match = re.match(r"([ST]) (\d{4}-\d{2}-\d{2}) ([a-fA-F\d]+)\s*$", line);
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if (not match):
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raise Exception("%s:%d:E syntax error" % (snapshotfile, n))
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ttype = "snapshot"
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if (match.group(1) == "T"):
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ttype = "transition"
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return {"type": ttype,
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"date": match.group(2),
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"rev": match.group(3)}
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def partial_snapshot_name(date, rev, platform):
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return ("rust-stage0-%s-%s-%s.tar.bz2"
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% (date, rev, platform))
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def full_snapshot_name(date, rev, platform, hsh):
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return ("rust-stage0-%s-%s-%s-%s.tar.bz2"
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% (date, rev, platform, hsh))
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def get_kernel():
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if os.name == "nt":
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return "winnt"
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kernel = os.uname()[0].lower()
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if kernel == "darwin":
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kernel = "macos"
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return kernel
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def get_cpu():
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# return os.uname()[-1].lower()
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return "i386"
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def get_platform():
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return "%s-%s" % (get_kernel(), get_cpu())
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def cmd_out(cmdline):
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p = subprocess.Popen(cmdline,
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stdout=subprocess.PIPE)
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return scrub(p.communicate()[0].strip())
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def local_rev_info(field):
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return cmd_out(["git", "--git-dir=" + os.path.join(src_dir, ".git"),
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"log", "-n", "1",
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"--format=%%%s" % field, "HEAD"])
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def local_rev_full_sha():
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return local_rev_info("H").split()[0]
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def local_rev_short_sha():
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return local_rev_info("h").split()[0]
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def local_rev_committer_date():
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return local_rev_info("ci")
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def get_url_to_file(u,f):
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subprocess.check_call(["curl", "-o", f, u])
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def hash_file(x):
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h = hashlib.sha1()
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h.update(open(x, "rb").read())
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return scrub(h.hexdigest())
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def make_snapshot():
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kernel = get_kernel()
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platform = get_platform()
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rev = local_rev_short_sha()
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date = local_rev_committer_date().split()[0]
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file0 = partial_snapshot_name(date, rev, platform)
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tar = tarfile.open(file0, "w:bz2")
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for name in snapshot_files[kernel]:
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tar.add(os.path.join("stage2", name),
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"rust-stage0/" + name)
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tar.close()
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h = hash_file(file0)
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file1 = full_snapshot_name(date, rev, platform, h)
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shutil.move(file0, file1)
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return file1
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