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Implement 'functions -d' to set function description

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This was documented, but didn't actually work.

Fixes #5105
This commit is contained in:
ridiculousfish 2018-07-22 11:22:47 -07:00
parent 7af3adc344
commit 9d1fc1045e
3 changed files with 16 additions and 1 deletions
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1
CHANGELOG.md
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@ -60,6 +60,7 @@ This section is for changes merged to the `major` branch that are not also merge
- `alias` now has a `-s` and `--save` option to save the function generated by the alias using `funcsave` (#4878). - `alias` now has a `-s` and `--save` option to save the function generated by the alias using `funcsave` (#4878).
- Path completions now support expansions, meaning expressions like `python ~/<TAB>` now provides file suggestions just like any other relative or absolute path. (This includes support for other expansions, too.) - Path completions now support expansions, meaning expressions like `python ~/<TAB>` now provides file suggestions just like any other relative or absolute path. (This includes support for other expansions, too.)
- The `string` builtin has new commands `split0` and `join0` for working with NUL-delimited output. - The `string` builtin has new commands `split0` and `join0` for working with NUL-delimited output.
- The `-d` option to `functions` to set the description of an existing function now works; before 3.0 it was documented but unimplemented. Note that the long form `--description` continues to work. (#5105)
## Other significant changes ## Other significant changes
- Command substitution output is now limited to 10 MB by default (#3822). - Command substitution output is now limited to 10 MB by default (#3822).

2
src/builtin_functions.cpp
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@ -39,7 +39,7 @@ struct functions_cmd_opts_t {
wchar_t *handlers_type = NULL; wchar_t *handlers_type = NULL;
wchar_t *description = NULL; wchar_t *description = NULL;
}; };
static const wchar_t *short_options = L":HDacehnqv"; static const wchar_t *short_options = L":HDacd:ehnqv";
static const struct woption long_options[] = { static const struct woption long_options[] = {
{L"erase", no_argument, NULL, 'e'}, {L"description", required_argument, NULL, 'd'}, {L"erase", no_argument, NULL, 'e'}, {L"description", required_argument, NULL, 'd'},
{L"names", no_argument, NULL, 'n'}, {L"all", no_argument, NULL, 'a'}, {L"names", no_argument, NULL, 'n'}, {L"all", no_argument, NULL, 'a'},

14
tests/functions.in
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@ -60,3 +60,17 @@ set x (functions -v -D multiline_descr)
if test $x[5] != 'line 1\\\\n\\nline 2 & more; way more' if test $x[5] != 'line 1\\\\n\\nline 2 & more; way more'
echo "Unexpected output for 'functions -v -D multiline_descr': $x" >&2 echo "Unexpected output for 'functions -v -D multiline_descr': $x" >&2
end end
# ==========
# Verify function description setting
function test_func_desc ; end
functions test_func_desc | string match --quiet '*description*'
and echo "Unexpected description" >&2
functions --description description1 test_func_desc
functions test_func_desc | string match --quiet '*description1*'
or echo "Failed to find description 1" >&2
functions -d description2 test_func_desc
functions test_func_desc | string match --quiet '*description2*'
or echo "Failed to find description 2" >&2