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import re, os, sys, glob, hashlib, tarfile, shutil, subprocess, tempfile
def scrub(b):
if sys.version_info >= (3,) and type(b) == bytes:
return b.decode('ascii')
else:
return b
src_dir = scrub(os.getenv("CFG_SRC_DIR"))
if not src_dir:
raise Exception("missing env var CFG_SRC_DIR")
snapshotfile = os.path.join(src_dir, "src", "snapshots.txt")
download_url_base = "http://dl.rust-lang.org/stage0-snapshots"
download_dir_base = "dl"
download_unpack_base = os.path.join(download_dir_base, "unpack")
snapshot_files = {
"linux": ["bin/rustc",
"bin/cargo",
"lib/libcore-*.so",
"lib/libstd-*.so",
"lib/librustc-*.so",
"lib/librustrt.so",
"lib/librustllvm.so"],
"macos": ["bin/rustc",
"bin/cargo",
"lib/libcore-*.dylib",
"lib/libstd-*.dylib",
"lib/librustc-*.dylib",
"lib/librustrt.dylib",
"lib/librustllvm.dylib"],
"winnt": ["bin/rustc.exe",
"bin/cargo.exe",
"lib/core-*.dll",
"lib/std-*.dll",
"lib/rustc-*.dll",
"lib/rustrt.dll",
"lib/rustllvm.dll"]
}
def parse_line(n, line):
global snapshotfile
if re.match(r"\s*$", line): return None
if re.match(r"^T\s*$", line): return None
match = re.match(r"\s+([\w_-]+) ([a-fA-F\d]{40})\s*$", line)
if match:
return { "type": "file",
"platform": match.group(1),
"hash": match.group(2).lower() }
match = re.match(r"([ST]) (\d{4}-\d{2}-\d{2}) ([a-fA-F\d]+)\s*$", line);
if (not match):
raise Exception("%s:%d:E syntax error" % (snapshotfile, n))
return {"type": "snapshot",
"date": match.group(2),
"rev": match.group(3)}
def partial_snapshot_name(date, rev, platform):
return ("rust-stage0-%s-%s-%s.tar.bz2"
% (date, rev, platform))
def full_snapshot_name(date, rev, platform, hsh):
return ("rust-stage0-%s-%s-%s-%s.tar.bz2"
% (date, rev, platform, hsh))
def get_kernel(triple):
os_name = triple.split('-')[-1]
#scrub(os.getenv("CFG_ENABLE_MINGW_CROSS")):
if os_name == "nt" or os_name == "mingw32":
return "winnt"
if os_name == "darwin":
return "macos"
return "linux"
def get_cpu(triple):
arch = triple.split('-')[0]
if arch == "i686":
return "i386"
return arch
def get_platform(triple):
return "%s-%s" % (get_kernel(triple), get_cpu(triple))
def cmd_out(cmdline):
p = subprocess.Popen(cmdline,
stdout=subprocess.PIPE)
return scrub(p.communicate()[0].strip())
def local_rev_info(field):
return cmd_out(["git", "--git-dir=" + os.path.join(src_dir, ".git"),
"log", "-n", "1",
"--format=%%%s" % field, "HEAD"])
def local_rev_full_sha():
return local_rev_info("H").split()[0]
def local_rev_short_sha():
return local_rev_info("h").split()[0]
def local_rev_committer_date():
return local_rev_info("ci")
def get_url_to_file(u,f):
subprocess.check_call(["curl", "-o", f, u])
def snap_filename_hash_part(snap):
match = re.match(r".*([a-fA-F\d]{40}).tar.bz2$", snap)
if not match:
raise Exception("unable to find hash in filename: " + snap)
return match.group(1)
def hash_file(x):
h = hashlib.sha1()
h.update(open(x, "rb").read())
return scrub(h.hexdigest())
def make_snapshot(stage, triple, flag):
kernel = get_kernel(triple)
platform = get_platform(triple)
rev = local_rev_short_sha()
date = local_rev_committer_date().split()[0]
file0 = partial_snapshot_name(date, rev, platform)
def in_tar_name(fn):
cs = re.split(r"[\\/]", fn)
if len(cs) >= 2:
return os.sep.join(cs[-2:])
tar = tarfile.open(file0, "w:bz2")
for name in snapshot_files[kernel]:
dir = stage
if stage == "stage1" and re.match(r"^lib/(lib)?std.*", name):
dir = "stage0"
fn_glob = os.path.join(triple, dir, name)
matches = glob.glob(fn_glob)
if not matches:
raise Exception("Not found file with name like " + fn_glob)
if len(matches) == 1:
tar.add(matches[0], "rust-stage0/" + in_tar_name(matches[0]))
else:
raise Exception("Found stale files: \n %s\n\
Please make a clean build." % "\n ".join(matches))
tar.close()
h = hash_file(file0)
file1 = full_snapshot_name(date, rev, platform, h)
shutil.move(file0, file1)
if flag == "install":
# FIXME this is an ugly quick hack; pls make it better
path = file1
comps = path.split("-")
parts = { 'year': comps[2], \
'month': comps[3], \
'date': comps[4], \
'check': comps[5], \
'plat': comps[6], \
'arch': comps[7], \
'sha': comps[8].split(".")[0] }
shutil.move(path, "dl/" + path)
shutil.move('src/snapshots.txt', 'src/snapshots-old.txt')
newf = open('src/snapshots.txt', 'w')
newf.write("T %(year)s-%(month)s-%(date)s %(check)s\n" % parts)
newf.write(" %(plat)s-%(arch)s %(sha)s\n\n" % parts)
oldf = open('src/snapshots-old.txt', 'r')
for line in oldf:
newf.write(line)
oldf.close()
newf.close()
os.remove('src/snapshots-old.txt')
return file1
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