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7aeaa2fc SR |
1 | import os |
2 | import subprocess | |
3 | import sys | |
4 | ||
5 | ||
6 | class GitExporter(object): | |
7 | """An exporter for testgit repositories. | |
8 | ||
9 | The exporter simply delegates to git fast-export. | |
10 | """ | |
11 | ||
12 | def __init__(self, repo): | |
13 | """Creates a new exporter for the specified repo. | |
14 | """ | |
15 | ||
16 | self.repo = repo | |
17 | ||
18 | def export_repo(self, base): | |
19 | """Exports a fast-export stream for the given directory. | |
20 | ||
21 | Simply delegates to git fast-epxort and pipes it through sed | |
22 | to make the refs show up under the prefix rather than the | |
23 | default refs/heads. This is to demonstrate how the export | |
24 | data can be stored under it's own ref (using the refspec | |
25 | capability). | |
26 | """ | |
27 | ||
28 | dirname = self.repo.get_base_path(base) | |
29 | path = os.path.abspath(os.path.join(dirname, 'testgit.marks')) | |
30 | ||
31 | if not os.path.exists(dirname): | |
32 | os.makedirs(dirname) | |
33 | ||
34 | print "feature relative-marks" | |
35 | if os.path.exists(os.path.join(dirname, 'git.marks')): | |
36 | print "feature import-marks=%s/git.marks" % self.repo.hash | |
37 | print "feature export-marks=%s/git.marks" % self.repo.hash | |
38 | sys.stdout.flush() | |
39 | ||
40 | args = ["git", "--git-dir=" + self.repo.gitpath, "fast-export", "--export-marks=" + path] | |
41 | ||
42 | if os.path.exists(path): | |
43 | args.append("--import-marks=" + path) | |
44 | ||
45 | args.append("HEAD") | |
46 | ||
47 | p1 = subprocess.Popen(args, stdout=subprocess.PIPE) | |
48 | ||
49 | args = ["sed", "s_refs/heads/_" + self.repo.prefix + "_g"] | |
50 | ||
51 | subprocess.check_call(args, stdin=p1.stdout) |