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Issue #180

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Now, whenever a cheatsheet is to be edited, if that cheatsheet does not
exist on the `DEFAULT_SHEET_PATH`, it is first copied there before being
opened for editing. This prevents system-wide cheatsheets from being
edited when using `cheat` as `root`.
This commit is contained in:
Chris Lane
2015-02-11 21:02:45 -05:00
parent ff8ba4e717
commit c70dc002fa
3 changed files with 11 additions and 9 deletions
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16
cheat/sheet.py
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@ -25,14 +25,10 @@ def create_or_edit(sheet):
# if the cheatsheet does not exist
if not exists(sheet):
create(sheet)
# if the cheatsheet exists and is writeable...
elif exists(sheet) and is_writable(sheet):
edit(sheet)
# if the cheatsheet exists but is not writable...
elif exists(sheet) and not is_writable(sheet):
# copy the cheatsheet to the home directory before editing
# if the cheatsheet exists but not in the default_path, copy it to the
# default path before editing
elif exists(sheet) and not exists_in_default_path(sheet):
copy(path(sheet), os.path.join(sheets.default_path(), sheet))
edit(sheet)
@ -63,6 +59,12 @@ def exists(sheet):
return sheet in sheets.get() and os.access(path(sheet), os.R_OK)
def exists_in_default_path(sheet):
""" Predicate that returns true if the sheet exists in default_path"""
default_path_sheet = os.path.join(sheets.default_path(), sheet)
return sheet in sheets.get() and os.access(default_path_sheet, os.R_OK)
def is_writable(sheet):
""" Predicate that returns true if the sheet is writeable """
return sheet in sheets.get() and os.access(path(sheet), os.W_OK)