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ba239351 AM |
1 | #!/usr/bin/python3 |
2 | ||
178671a1 | 3 | # thisscript.py --buildroot=~/tmp/somepackage ~/rpm/BUILD/somepackage/ |
b7387090 AM |
4 | |
5 | import argparse | |
ba289b0b | 6 | import hashlib |
ba239351 AM |
7 | import io |
8 | import os | |
9 | import re | |
10 | import sys | |
11 | ||
b7387090 AM |
12 | parser = argparse.ArgumentParser() |
13 | parser.add_argument('sourcedir', help='RPM_SOURCE_DIR directory') | |
14 | parser.add_argument("--buildroot", help="RPM_BUILD_ROOT directory") | |
15 | args = parser.parse_args() | |
16 | ||
ba239351 AM |
17 | rep = { |
18 | 'python2': [], | |
19 | 'python3': [], | |
20 | 'perl': [], | |
21 | } | |
22 | ||
b7387090 AM |
23 | skip_files = [".h", ".c", ".cc", ".gif", ".png", ".jpg", ".ko", ".gz", ".o"] |
24 | ||
ba289b0b AM |
25 | def hash(fname): |
26 | hash_alg = hashlib.sha256() | |
27 | with open(fname, "rb") as f: | |
28 | for chunk in iter(lambda: f.read(4096), b""): | |
29 | hash_alg.update(chunk) | |
30 | return hash_alg.hexdigest() | |
31 | ||
32 | rpm_build_root_files = [] | |
b7387090 AM |
33 | if args.buildroot: |
34 | print("%s: Caching `%s' files..." % (sys.argv[0], args.buildroot)) | |
b7387090 AM |
35 | for root, dirs, files in os.walk(args.buildroot): |
36 | for name in files: | |
37 | fname, fext = os.path.splitext(name) | |
38 | if fext in skip_files: | |
39 | continue | |
ba289b0b AM |
40 | fpath = os.path.join(root, name) |
41 | rpm_build_root_files.append(hash(fpath)) | |
b7387090 | 42 | print("%s: Caching done." % (sys.argv[0])) |
ba239351 | 43 | |
b7387090 | 44 | for root, dirs, files in os.walk(args.sourcedir): |
ba239351 AM |
45 | for name in files: |
46 | fname, fext = os.path.splitext(name) | |
47 | if fext in skip_files: | |
48 | continue | |
49 | ||
50 | fpath = os.path.join(root, name) | |
51 | with open(fpath, 'rt', encoding='utf-8', errors='replace') as f: | |
52 | try: | |
53 | fline = f.read(128) | |
54 | f = io.StringIO(fline) | |
55 | shebang = f.readline() | |
56 | except UnicodeDecodeError as e: | |
57 | print("%s: skipping file `%s': %s" % (sys.argv[0], fpath, e), file=sys.stderr) | |
58 | continue | |
0b6e4a06 AM |
59 | if re.compile(r'^#!\s*/usr/bin/env python\s').match(shebang) \ |
60 | or re.compile(r'^#!\s*/usr/bin/env\s+python2\s').match(shebang) \ | |
61 | or re.compile(r'^#!\s*/usr/bin/python\s').match(shebang): | |
ba239351 | 62 | rep['python2'].append(fpath) |
0b6e4a06 | 63 | elif re.compile(r'^#!\s*/usr/bin/env\s+python3\s').match(shebang): |
ba239351 | 64 | rep['python3'].append(fpath) |
0b6e4a06 | 65 | elif re.compile(r'^#!\s*/usr/bin/env\s+perl\s').match(shebang): |
ba239351 AM |
66 | rep['perl'].append(fpath) |
67 | ||
ba289b0b | 68 | def gf(cmd, files): |
b7387090 AM |
69 | newfiles = [] |
70 | for f in files: | |
ba289b0b | 71 | if not rpm_build_root_files or hash(f) in rpm_build_root_files: |
b7387090 AM |
72 | newfiles.append(f) |
73 | newfiles.sort() | |
ba289b0b AM |
74 | if not newfiles: |
75 | return | |
76 | print(cmd) | |
b7387090 | 77 | for i in range(0, len(newfiles) - 1): |
2c47d05a AM |
78 | print(" %s \\\n" % os.path.relpath(newfiles[i], start=args.sourcedir), end='') |
79 | print(" %s\n" % os.path.relpath(newfiles[len(newfiles) - 1], start=args.sourcedir)) | |
ba239351 | 80 | |
178671a1 | 81 | print("\n# Copy from here:") |
b7387090 AM |
82 | print("# %s " % sys.argv[0], end='') |
83 | if args.buildroot: | |
2c47d05a | 84 | print("--buildroot=%s " % args.buildroot, end='') |
b7387090 | 85 | print("%s\n" % args.sourcedir) |
ba239351 | 86 | |
2c47d05a | 87 | gf("sed -E -i -e '1s,#!\s*/usr/bin/env\s+python2(\s|$),#!%{__python}\\1,' -e '1s,#!\s*/usr/bin/env\s+python(\s|$),#!%{__python}\\1,' -e '1s,#!\s*/usr/bin/python(\s|$),#!%{__python}\\1,' \\", |
ba289b0b | 88 | rep['python2']) |
2c47d05a AM |
89 | gf("sed -E -i -e '1s,#!\s*/usr/bin/env\s+python3(\s|$),#!%{__python3}\\1,' \\", rep['python3']) |
90 | gf("sed -E -i -e '1s,#!\s*/usr/bin/env\s+perl(\s|$),#!%{__perl}\\1,' \\", rep['perl']) |