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add ability to not deploy empty template

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This commit is contained in:
deadc0de6
2018-11-15 19:34:49 +01:00
parent 0d407337ea
commit 1543762a5b
7 changed files with 187 additions and 19 deletions
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18
dotdrop/config.py
View File

@@ -29,6 +29,7 @@ class Cfg:
key_banner = 'banner'
key_long = 'longkey'
key_keepdot = 'keepdot'
key_ignoreempty = 'ignoreempty'
key_showdiff = 'showdiff'
key_deflink = 'link_by_default'
key_workdir = 'workdir'
@@ -49,6 +50,7 @@ class Cfg:
key_dotfiles_src = 'src'
key_dotfiles_dst = 'dst'
key_dotfiles_link = 'link'
key_dotfiles_noempty = 'ignoreempty'
key_dotfiles_cmpignore = 'cmpignore'
key_dotfiles_actions = 'actions'
key_dotfiles_trans = 'trans'
@@ -66,6 +68,7 @@ class Cfg:
default_longkey = False
default_keepdot = False
default_showdiff = False
default_ignoreempty = False
default_link_by_default = False
default_workdir = '~/.config/dotdrop'
@@ -191,6 +194,9 @@ class Cfg:
dst = v[self.key_dotfiles_dst]
link = v[self.key_dotfiles_link] if self.key_dotfiles_link \
in v else self.default_link
noempty = v[self.key_dotfiles_noempty] if \
self.key_dotfiles_noempty \
in v else self.lnk_settings[self.key_ignoreempty]
itsactions = v[self.key_dotfiles_actions] if \
self.key_dotfiles_actions in v else []
actions = self._parse_actions(itsactions)
@@ -206,7 +212,8 @@ class Cfg:
self.key_dotfiles_cmpignore in v else []
self.dotfiles[k] = Dotfile(k, dst, src,
link=link, actions=actions,
trans=trans, cmpignore=ignores)
trans=trans, cmpignore=ignores,
noempty=noempty)
# assign dotfiles to each profile
for k, v in self.lnk_profiles.items():
@@ -222,7 +229,12 @@ class Cfg:
self.prodots[k] = list(self.dotfiles.values())
else:
# add the dotfiles
self.prodots[k].extend([self.dotfiles[d] for d in dots])
for d in dots:
if d not in self.dotfiles:
msg = 'unknown dotfile \"{}\" for {}'.format(d, k)
self.log.err(msg)
continue
self.prodots[k].append(self.dotfiles[d])
# handle "include" for each profile
for k in self.lnk_profiles.keys():
@@ -319,6 +331,8 @@ class Cfg:
self.lnk_settings[self.key_workdir] = self.default_workdir
if self.key_showdiff not in self.lnk_settings:
self.lnk_settings[self.key_showdiff] = self.default_showdiff
if self.key_ignoreempty not in self.lnk_settings:
self.lnk_settings[self.key_ignoreempty] = self.default_ignoreempty
def abs_dotpath(self, path):
"""transform path to an absolute path based on config path"""

11
dotdrop/dotdrop.py
View File

@@ -86,8 +86,8 @@ def cmd_install(opts, conf, temporary=False, keys=[]):
# filtered dotfiles to install
dotfiles = [d for d in dotfiles if d.key in set(keys)]
if not dotfiles:
msg = 'no dotfiles to install for this profile (\"{}\")'
LOG.err(msg.format(opts['profile']))
msg = 'no dotfile to install for this profile (\"{}\")'
LOG.warn(msg.format(opts['profile']))
return False
t = Templategen(opts['profile'], base=opts['dotpath'],
@@ -118,7 +118,8 @@ def cmd_install(opts, conf, temporary=False, keys=[]):
if not tmp:
continue
src = tmp
r = inst.install(t, src, dotfile.dst, actions=preactions)
r = inst.install(t, src, dotfile.dst, actions=preactions,
noempty=dotfile.noempty)
if tmp:
tmp = os.path.join(opts['dotpath'], tmp)
if os.path.exists(tmp):
@@ -145,8 +146,8 @@ def cmd_compare(opts, conf, tmp, focus=[], ignore=[]):
"""compare dotfiles and return True if all identical"""
dotfiles = conf.get_dotfiles(opts['profile'])
if dotfiles == []:
msg = 'no dotfiles defined for this profile (\"{}\")'
LOG.err(msg.format(opts['profile']))
msg = 'no dotfile defined for this profile (\"{}\")'
LOG.warn(msg.format(opts['profile']))
return True
# compare only specific files
same = True

5
dotdrop/dotfile.py
View File

@@ -10,7 +10,8 @@ class Dotfile:
def __init__(self, key, dst, src,
actions={}, trans=[],
link=False, cmpignore=[]):
link=False, cmpignore=[],
noempty=False):
# key of dotfile in the config
self.key = key
# path where to install this dotfile
@@ -25,6 +26,8 @@ class Dotfile:
self.trans = trans
# pattern to ignore when comparing
self.cmpignore = cmpignore
# do not deploy empty file
self.noempty = noempty
def __str__(self):
msg = 'key:\"{}\", src:\"{}\", dst:\"{}\", link:\"{}\"'

23
dotdrop/installer.py
View File

@@ -35,7 +35,7 @@ class Installer:
self.action_executed = False
self.log = Logger()
def install(self, templater, src, dst, actions=[]):
def install(self, templater, src, dst, actions=[], noempty=False):
"""install the src to dst using a template"""
self.action_executed = False
src = os.path.join(self.base, os.path.expanduser(src))
@@ -52,8 +52,10 @@ class Installer:
if self.debug:
self.log.dbg('install {} to {}'.format(src, dst))
if os.path.isdir(src):
return self._handle_dir(templater, src, dst, actions=actions)
return self._handle_file(templater, src, dst, actions=actions)
return self._handle_dir(templater, src, dst, actions=actions,
noempty=noempty)
return self._handle_file(templater, src, dst,
actions=actions, noempty=noempty)
def link(self, templater, src, dst, actions=[]):
"""set src as the link target of dst"""
@@ -110,15 +112,19 @@ class Installer:
self.log.sub('linked {} to {}'.format(dst, src))
return [(src, dst)]
def _handle_file(self, templater, src, dst, actions=[]):
def _handle_file(self, templater, src, dst, actions=[], noempty=False):
"""install src to dst when is a file"""
if self.debug:
self.log.dbg('generate template for {}'.format(src))
self.log.dbg('ignore empty: {}'.format(noempty))
if utils.samefile(src, dst):
# symlink loop
self.log.err('dotfile points to itself: {}'.format(dst))
return []
content = templater.generate(src)
if noempty and utils.content_empty(content):
self.log.warn('ignoring empty template: {}'.format(src))
return []
if content is None:
self.log.err('generate from template {}'.format(src))
return []
@@ -140,8 +146,11 @@ class Installer:
return [(src, dst)]
return []
def _handle_dir(self, templater, src, dst, actions=[]):
def _handle_dir(self, templater, src, dst, actions=[], noempty=False):
"""install src to dst when is a directory"""
if self.debug:
self.log.dbg('install dir {}'.format(src))
self.log.dbg('ignore empty: {}'.format(noempty))
ret = []
if not self._create_dirs(dst):
return []
@@ -150,11 +159,11 @@ class Installer:
f = os.path.join(src, entry)
if not os.path.isdir(f):
res = self._handle_file(templater, f, os.path.join(dst, entry),
actions=actions)
actions=actions, noempty=noempty)
ret.extend(res)
else:
res = self._handle_dir(templater, f, os.path.join(dst, entry),
actions=actions)
actions=actions, noempty=noempty)
ret.extend(res)
return ret

10
dotdrop/utils.py
View File

@@ -78,4 +78,14 @@ def samefile(path1, path2):
def header():
"""return dotdrop header"""
return 'This dotfile is managed using dotdrop'
def content_empty(string):
"""return True if is empty or only one CRLF"""
if not string:
return True
if string == b'\n':
return True
return False