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23 from translate.storage.versioncontrol import run_command
24 from translate.storage.versioncontrol import GenericRevisionControlSystem
25
26 -class darcs(GenericRevisionControlSystem):
27 """Class to manage items under revision control of darcs."""
28
29 RCS_METADIR = "_darcs"
30 SCAN_PARENTS = True
31
32 - def update(self, revision=None):
33 """Does a clean update of the given path
34
35 @param revision: ignored for darcs
36 """
37
38 command = ["darcs", "revert", "--repodir", self.root_dir,
39 "-a", self.location_rel]
40 exitcode, output_revert, error = run_command(command)
41 if exitcode != 0:
42 raise IOError("[Darcs] error running '%s': %s" % (command, error))
43
44 command = ["darcs", "pull", "--repodir", self.root_dir, "-a"]
45 exitcode, output_pull, error = run_command(command)
46 if exitcode != 0:
47 raise IOError("[Darcs] error running '%s': %s" % (command, error))
48 return output_revert + output_pull
49
50 - def commit(self, message=None):
51 """Commits the file and supplies the given commit message if present"""
52 if message is None:
53 message = ""
54
55 command = ["darcs", "record", "-a", "--repodir", self.root_dir,
56 "--skip-long-comment", "-m", message, self.location_rel]
57 exitcode, output_record, error = run_command(command)
58 if exitcode != 0:
59 raise IOError("[Darcs] Error running darcs command '%s': %s" \
60 % (command, error))
61
62 command = ["darcs", "push", "-a", "--repodir", self.root_dir]
63 exitcode, output_push, error = run_command(command)
64 if exitcode != 0:
65 raise IOError("[Darcs] Error running darcs command '%s': %s" \
66 % (command, error))
67 return output_record + output_push
68
70 """Get a clean version of a file from the darcs repository
71
72 @param revision: ignored for darcs
73 """
74 import os
75 filename = os.path.join(self.root_dir, self.RCS_METADIR, 'pristine',
76 self.location_rel)
77 try:
78 darcs_file = open(filename)
79 output = darcs_file.read()
80 darcs_file.close()
81 except IOError, error:
82 raise IOError("[Darcs] error reading original file '%s': %s" % \
83 (filename, error))
84 return output
85