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labels: tighten labels regexp

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This commit is contained in:
Dirk-Jan C. Binnema
2025-09-12 19:46:23 +03:00
committed by Seth Ladygo
parent 54aaaf98c1
commit 652b5ccbea
2 changed files with 15 additions and 10 deletions
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11
lib/message/mu-labels.cc
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@ -51,16 +51,16 @@ Mu::Labels::validate_label(const std::string &label)
if (::iscntrl(uc))
return Err(Error{Error::Code::InvalidArgument,
"control character {} is not allowed",
"control character {} not allowed in label",
static_cast<int>(uc)});
if (::isblank(uc))
return Err(Error{Error::Code::InvalidArgument,
"blank character {} is not allowed",
"blank character {} not allowed in label",
static_cast<int>(uc)});
if (uc == '"' || uc == '\'' || uc == '`' ||
if (uc == '"' || uc == '\'' || uc == '`' || uc == ',' ||
uc == '\\' || uc == '/' || uc == '$')
return Err(Error{Error::Code::InvalidArgument,
"character '{}' is not allowed", uc});
"character '{}' not allowed in label", uc});
}
return Ok();
@ -217,11 +217,14 @@ test_validate_label()
g_assert_true(!!validate_label("@raven+king"));
g_assert_true(!!validate_label("operation:mindcrime"));
g_assert_true(!!validate_label("😨"));
g_assert_true(!!validate_label("foo%bar+1"));
g_assert_false(!!validate_label("norrell strange"));
g_assert_false(!!validate_label(""));
g_assert_false(!!validate_label("+"));
g_assert_false(!!validate_label("-"));
g_assert_false(!!validate_label("foo$bar"));
g_assert_false(!!validate_label("foo,bar"));
g_assert_false(!!validate_label("foo`bar"));
g_assert_false(!!validate_label("\"quoted\""));
}

14
man/mu-labels.1.org
View File

@ -119,8 +119,8 @@ See *EXPORT FORMAT* below for details on the format.
*mu* does not wish to limit your creativity, but nevertheless puts a few
restrictions on what is accepted as a label.
- a *valid label character* is any character that is not a control-character, a
blank, or any of *'*, *"*, *`*, */*, *\*, *$*
- a *valid label character* is any character that is not a control-character, not
a blank, nor anything matching the regular expression ~[^\"$',/\\`]~
- a *valid label* consists of one or more valid label characters, the first of
which must *not* be either *+* or *-*
@ -165,14 +165,16 @@ it is recognized as a single parameter.
Remove the label "planet" and add the label "dwarf-planet" to all messages that
have "pluto" in their subject:
#+begin_export
#+begin_example
$ mu labels update "subject:pluto" --labels -planet,+dwarf-planet
#+end_export
#+end_example
Clear all labels from messages with the label "boring":
#+begin_export
#+begin_example
$ mu labels clear "label:boring"
#+end_export
#+end_example
#+include: "prefooter.inc" :minlevel 1