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fix(vim.version): prerelease compare

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Problem:
semver specifies that digit sequences in a prerelease string should be
compared as numbers, not lexically: https://semver.org/#spec-item-11
> Precedence for two pre-release versions with the same major, minor,
> and patch version MUST be determined by comparing each dot separated
> identifier from left to right until a difference is found as follows:
> 1. Identifiers consisting of only digits are compared numerically.
> 2. Identifiers with letters or hyphens are compared lexically in ASCII sort order.
> 3. Numeric identifiers always have lower precedence than non-numeric identifiers.
> 4. A larger set of pre-release fields has a higher precedence than a smaller set, if all of the preceding identifiers are equal.
Example:
1.0.0-alpha < 1.0.0-alpha.1 < 1.0.0-alpha.beta < 1.0.0-beta < 1.0.0-beta.2 < 1.0.0-beta.11 < 1.0.0-rc.1 < 1.0.0.

Solution:
cmp_prerel() treats all digit sequences in a prerelease string as
numbers. This doesn't _exactly_ match the spec, which specifies that
only dot-delimited digit sequences should be treated as numbers...
This commit is contained in:
Justin M. Keyes
2023-03-20 13:36:06 +01:00
parent 9c49c10470
commit 8a70adbde0
3 changed files with 50 additions and 24 deletions
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15
runtime/lua/vim/shared.lua
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@@ -66,14 +66,15 @@ end)()
--- end
--- </pre>
---
---@see |vim.split()|
---@see |luaref-patterns|
---@see https://www.lua.org/pil/20.2.html
---@see http://lua-users.org/wiki/StringLibraryTutorial
--- @see |string.gmatch()|
--- @see |vim.split()|
--- @see |luaref-patterns|
--- @see https://www.lua.org/pil/20.2.html
--- @see http://lua-users.org/wiki/StringLibraryTutorial
---
---@param s string String to split
---@param sep string Separator or pattern
---@param opts (table|nil) Keyword arguments |kwargs|:
--- @param s string String to split
--- @param sep string Separator or pattern
--- @param opts (table|nil) Keyword arguments |kwargs|:
--- - keepsep: (boolean) Include segments matching `sep` instead of discarding them.
--- - plain: (boolean) Use `sep` literally (as in string.find).
--- - trimempty: (boolean) Discard empty segments at start and end of the sequence.