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Code Issues Releases Wiki Activity

Make Linker check for existence of targets

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Linker now reports an error when links are configured to point to
nonexistent targets. This fixes the old behavior where Linker silently
created invalid links.
This commit is contained in:
Anish Athalye 2014-07-15 18:25:53 -07:00
parent 4feb4845e8
commit a97096ef96
1 changed files with 11 additions and 3 deletions
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14
dotbot/executor/linker.py
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@ -55,10 +55,11 @@ class Linker(Executor):
'''
success = False
source = os.path.join(self._base_directory, source)
if not self._exists(link_name) and self._is_link(link_name):
if (not self._exists(link_name) and self._is_link(link_name) and
self._link_destination(link_name) != source):
self._log.warning('Invalid link %s -> %s' %
(link_name, self._link_destination(link_name)))
elif not self._exists(link_name):
elif not self._exists(link_name) and self._exists(source):
self._log.lowinfo('Creating link %s -> %s' % (link_name, source))
os.symlink(source, os.path.expanduser(link_name))
success = True
@ -66,9 +67,16 @@ class Linker(Executor):
self._log.warning(
'%s already exists but is a regular file or directory' %
link_name)
elif self._link_destination(link_name) != source:
elif self._is_link(link_name) and self._link_destination(link_name) != source:
self._log.warning('Incorrect link %s -> %s' %
(link_name, self._link_destination(link_name)))
elif not self._exists(source):
if self._is_link(link_name):
self._log.warning('Nonexistant target %s -> %s' %
(link_name, source))
else:
self._log.warning('Nonexistant target for %s : %s' %
(link_name, source))
else:
self._log.lowinfo('Link exists %s -> %s' % (link_name, source))
success = True