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finalize_tags.py
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1 #!/usr/bin/env python
2 """
3 Small script finalize the "-pre" tags into regular tags for the packages in Gaudi.
4
5 See https://twiki.cern.ch/twiki/bin/view/Gaudi/GaudiSVNRepository for a
6 description of the repository structure.
7 """
8 __author__ = "Marco Clemencic <Marco.Clemencic@cern.ch>"
9
10 import os, sys
11 import tempfile, shutil, re
12 from subprocess import Popen, PIPE
13
14 def _spawn(*args, **kwargs):
15 cmd = args
16 cwd = kwargs.get("cwd", os.getcwd())
17 print ">>>> %s: %s" % (cwd, cmd)
18 return apply(Popen, (cmd,), kwargs)
19 def _exec_cmd(*args, **kwargs):
20 return apply(_spawn, args, kwargs).wait()
21 def _exec_cmd_output(*args, **kwargs):
22 kwargs["stdout"] = PIPE
23 p = apply(_spawn, args, kwargs)
24 out = p.communicate()[0]
25 return out, p.returncode
26
27 def svn(*args, **kwargs):
28 return apply(_exec_cmd, ["svn"] + list(args), kwargs)
29
30 def svn_output(*args, **kwargs):
31 return apply(_exec_cmd_output, ["svn"] + list(args), kwargs)
32
33 for c in ["co", "up", "ci", "ls", "add", "rm", "cp", "mkdir", "mv", "pg"]:
34 exec """
35 def svn_%(cmd)s(*args, **kwargs):
36 return apply(svn, ["%(cmd)s"] + list(args), kwargs)
37 def svn_%(cmd)s_output(*args, **kwargs):
38 return apply(svn_output, ["%(cmd)s"] + list(args), kwargs)
39 """ % {"cmd": c}
40
41 svn_ci_real = svn_ci
42 def svn_ci_fake(args, cwd = "."):
43 cmd = ["svn", "ci"] + args
44 print "(n)> %s: %s" % (cwd, cmd)
45 #svn_ci = svn_ci_fake
46
47 def basename(url):
48 return url.rsplit("/", 1)[-1]
49
50 def dirname(url):
51 return url.rsplit("/", 1)[1]
52
53 def svn_exists(url):
54 d,b = url.rsplit("/", 1)
55 l = [x.rstrip("/") for x in svn_ls(d)]
56 return b in l
57
58 def checkout_structure(url, proj):
59 def checkout_level(base):
60 dirs = ["%s/%s" % (base, d) for d in svn_ls_output(base)[0].splitlines() if d.endswith("/")]
61 apply(svn, ["up", "-N"] + dirs)
62 return dirs
63 root = basename(url)
64 svn("co","-N", url, root)
65 old_dir = os.getcwd()
66 os.chdir(root)
67 packages = [ pkg
68 for pkg, prj in
69 [ x.split()
70 for x in [ x.strip()
71 for x in svn_pg_output("packages", ".")[0].splitlines()]
72 if x and not x.startswith("#") ]
73 if prj == proj ]
74 pkg_tag_dirs = [ proj + "/tags/" + pkg for pkg in packages ]
75 apply(svn, ["up", "-N", proj, proj + "/tags"] + pkg_tag_dirs)
76 os.chdir(old_dir)
77 return root, packages
78
79 def svn_listdir(path):
80 return [f.rstrip("/") for f in svn_ls_output(path)[0].splitlines()]
81
82 def main():
83 url = "svn+ssh://svn.cern.ch/reps/gaudi"
84 proj = "Gaudi"
85 tempdir = tempfile.mkdtemp()
86 try:
87 os.chdir(tempdir)
88
89 # prepare repository structure (and move to its top level)
90 root, packages = checkout_structure(url, proj)
91 os.chdir(root)
92
93 pre_rx = re.compile("(v[0-9]+r[0-9]+(p[0-9]+)?)-pre([0-9]*)")
94 for p in packages:
95 entries = svn_listdir("%s/tags/%s" %(proj, p))
96 # get the list of -pre tags in the package
97 pre_tags = [ (t.group(0), t.group(1), t.group(3))
98 for t in map(pre_rx.match, entries)
99 if t ]
100 # extract the latest -pre tag for each tag
101 tags = {}
102 for pt, t, ptv in pre_tags:
103 if ptv:
104 ptv = int(ptv)
105 else:
106 ptv = -1
107 if (t not in tags) or (tags[t][0] < ptv):
108 tags[t] = (ptv, pt)
109 # throw away unneeded information from the map
110 tags = dict(zip(tags.keys(), map(lambda a: a[1], tags.values())))
111 for tag in tags:
112 pretagdir = "%s/tags/%s/%s" %(proj, p, tags[tag])
113 tagdir = "%s/tags/%s/%s" %(proj, p, tag)
114 if tag not in entries:
115 svn_up("-N", pretagdir)
116 svn_cp(pretagdir, tagdir)
117
118 return svn_ci()
119
120 finally:
121 shutil.rmtree(tempdir, ignore_errors = True)
122 pass
123
124 if __name__ == '__main__':
125 sys.exit(main())