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Merge pull request #12136 from NixOS/mergify/bp/2.24-maintenance/pr-11876

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Filter OSC 8 correctly (backport #11876)
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Jörg Thalheim 2025-01-07 07:22:37 +01:00 • committed by GitHub
commit b59b317e47
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7
src/libutil/terminal.cc
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@ -45,6 +45,13 @@ std::string filterANSIEscapes(std::string_view s, bool filterAll, unsigned int w
while (i != s.end() && *i >= 0x20 && *i <= 0x2f) e += *i++;
// eat final byte
if (i != s.end() && *i >= 0x40 && *i <= 0x7e) e += last = *i++;
} else if (i != s.end() && *i == ']') {
// OSC
e += *i++;
// eat ESC
while (i != s.end() && *i != '\e') e += *i++;
// eat backslash
if (i != s.end() && *i == '\\') e += last = *i++;
} else {
if (i != s.end() && *i >= 0x40 && *i <= 0x5f) e += *i++;
}

5
tests/unit/libutil/tests.cc
View file

@ -700,4 +700,9 @@ namespace nix {
ASSERT_EQ(filterANSIEscapes("f𐍈𐍈bär", true, 4), "f𐍈𐍈b");
}
TEST(filterANSIEscapes, osc8)
{
ASSERT_EQ(filterANSIEscapes("\e]8;;http://example.com\e\\This is a link\e]8;;\e\\"), "This is a link");
}
}