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ls: --color: honor separate sequences for extension cases

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Following on from commit v8.29-45-g24053fbd8 which unconditionally
used case insensitive extension matching, support selective
case sensitive matching when there are separate extension cases
defined with different display sequences.

* src/dircolors.hin: Document how file name suffixes are matched.
Note this is displayed with `dircolors --print-database` which
the texi info recommends to use for details.
* src/ls.c (parse_ls_color): Postprocess the list to
mark entries for case sensitive matching,
and also adjust so that unmatchable entries are more quickly ignored.
(get_color_indicator): Use exact matching rather than
case insensitive matching if so marked.
* tests/ls/color-ext.sh: Add test cases.
* NEWS: Mention the change in behavior.
Addresses https://bugs.gnu.org/33123
This commit is contained in:
Pádraig Brady
2022-09-04 19:59:25 +01:00
parent 1ac1d6def6
commit 47988fad88
4 changed files with 114 additions and 9 deletions
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NEWS
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@@ -103,6 +103,9 @@ GNU coreutils NEWS -*- outline -*-
reverting to the behavior in coreutils-9.0 and earlier.
This behavior is now documented.
ls --color now matches a file extension case sensitively
if there are different sequences defined for separate cases.
printf unicode \uNNNN, \UNNNNNNNN syntax, now supports all valid
unicode code points. Previously is was restricted to the C
universal character subset, which restricted most points <= 0x9F.