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* lisp/vc/vc.el (vc-deduce-fileset): Improve docstring (bug#34949).

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Juri Linkov 2020-04-14 02:24:51 +03:00
parent cdbb37f628
commit 086faceb1c
1 changed files with 22 additions and 12 deletions
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34
lisp/vc/vc.el
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@ -1012,23 +1012,33 @@ Within directories, only files already under version control are noticed."
allow-unregistered
state-model-only-files)
"Deduce a set of files and a backend to which to apply an operation.
Return (BACKEND FILESET FILESET-ONLY-FILES STATE CHECKOUT-MODEL).
Return a list of the form:
NOT-STATE-CHANGING if non-nil, means that the operation
requesting the fileset doesn't intend to change VC state,
such as printing the log or showing the diff.
(BACKEND FILESET FILESET-ONLY-FILES STATE CHECKOUT-MODEL)
If we're in VC-dir mode, FILESET is the list of marked files,
or the directory if no files are marked.
Otherwise, if in a buffer visiting a version-controlled file,
FILESET is a single-file fileset containing that file.
where the last 3 members are optional, and must be present only if
STATE-MODEL-ONLY-FILES is non-nil.
NOT-STATE-CHANGING, if non-nil, means that the operation
requesting the fileset doesn't intend to change the VC state,
such as when printing the log or showing the diffs.
If the current buffer is in `vc-dir' or Dired mode, FILESET is the
list of marked files, or the current directory if no files are
marked.
Otherwise, if the current buffer is visiting a version-controlled
file, FILESET is a single-file list containing that file's name.
Otherwise, if ALLOW-UNREGISTERED is non-nil and the visited file
is unregistered, FILESET is a single-file fileset containing it.
is unregistered, FILESET is a single-file list containing the
name of the visited file.
Otherwise, throw an error.
STATE-MODEL-ONLY-FILES if non-nil, means that the caller needs
the FILESET-ONLY-FILES STATE and MODEL info. Otherwise, that
part may be skipped.
STATE-MODEL-ONLY-FILES, if non-nil, means that the caller needs
the FILESET-ONLY-FILES, STATE, and CHECKOUT-MODEL info, where
FILESET-ONLY-FILES means only files in similar VC states,
possible values of STATE are explained in `vc-state', and MODEL in
`vc-checkout-model'. Otherwise, these 3 members may be omitted from
the returned list.
BEWARE: this function may change the current buffer."
(let (backend)