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Merge branch 'apuignav/ignore-missing'

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This commit is contained in:
Anish Athalye 2019-12-31 14:26:26 -05:00
commit a7bfce3e23
3 changed files with 36 additions and 6 deletions
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1
README.md
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@ -178,6 +178,7 @@ Available extended configuration parameters:
| `relative` | Use a relative path to the source when creating the symlink (default:false, absolute links) |
| `glob` | Treat a `*` character as a wildcard, and perform link operations on all of those matches (default:false) |
| `if` | Execute this in your `$SHELL` and only link if it is successful. |
| `ignore-missing` | Do not fail if the source is missing and create the link anyway (default:false) |
#### Example

18
dotbot/plugins/link.py
View file

@ -31,6 +31,7 @@ class Link(dotbot.Plugin):
create = defaults.get('create', False)
use_glob = defaults.get('glob', False)
test = defaults.get('if', None)
ignore_missing = defaults.get('ignore-missing', False)
if isinstance(source, dict):
# extended config
test = source.get('if', test)
@ -39,6 +40,7 @@ class Link(dotbot.Plugin):
relink = source.get('relink', relink)
create = source.get('create', create)
use_glob = source.get('glob', use_glob)
ignore_missing = source.get('ignore-missing', ignore_missing)
path = self._default_source(destination, source.get('path'))
else:
path = self._default_source(destination, source)
@ -67,7 +69,7 @@ class Link(dotbot.Plugin):
success &= self._create(destination)
if force or relink:
success &= self._delete(path, destination, relative, force)
success &= self._link(path, destination, relative)
success &= self._link(path, destination, relative, ignore_missing)
else:
self._log.lowinfo("Globs from '" + path + "': " + str(glob_results))
glob_base = path[:glob_star_loc]
@ -78,18 +80,22 @@ class Link(dotbot.Plugin):
success &= self._create(glob_link_destination)
if force or relink:
success &= self._delete(glob_full_item, glob_link_destination, relative, force)
success &= self._link(glob_full_item, glob_link_destination, relative)
success &= self._link(glob_full_item, glob_link_destination, relative, ignore_missing)
else:
if create:
success &= self._create(destination)
if not self._exists(os.path.join(self._context.base_directory(), path)):
if not ignore_missing and not self._exists(os.path.join(self._context.base_directory(), path)):
# we seemingly check this twice (here and in _link) because
# if the file doesn't exist and force is True, we don't
# want to remove the original (this is tested by
# link-force-leaves-when-nonexistent.bash)
success = False
self._log.warning('Nonexistent source %s -> %s' %
(destination, path))
continue
if force or relink:
success &= self._delete(path, destination, relative, force)
success &= self._link(path, destination, relative)
success &= self._link(path, destination, relative, ignore_missing)
if success:
self._log.info('All links have been set up')
else:
@ -189,7 +195,7 @@ class Link(dotbot.Plugin):
destination_dir = os.path.dirname(destination)
return os.path.relpath(source, destination_dir)
def _link(self, source, link_name, relative):
def _link(self, source, link_name, relative, ignore_missing):
'''
Links link_name to source.
@ -209,7 +215,7 @@ class Link(dotbot.Plugin):
# we need to use absolute_source below because our cwd is the dotfiles
# directory, and if source is relative, it will be relative to the
# destination directory
elif not self._exists(link_name) and self._exists(absolute_source):
elif not self._exists(link_name) and (ignore_missing or self._exists(absolute_source)):
try:
os.symlink(source, destination)
except OSError:

23
test/tests/link-ignore-missing.bash Normal file
View file

@ -0,0 +1,23 @@
test_description='link is created even if source is missing'
. '../test-lib.bash'
test_expect_failure 'run' '
run_dotbot <<EOF
- link:
~/missing_link:
path: missing
EOF
'
test_expect_success 'run 2' '
run_dotbot <<EOF
- link:
~/missing_link:
path: missing
ignore-missing: true
EOF
'
test_expect_success 'test' '
test -L ~/missing_link
'