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feat(vim.fs): slug() supports URI #41241

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Problem:
`vim.fs.slug()` does not handle URIs like `term://foo//123:bash`,
so callers (e.g. terminal persistence) must strip the scheme before
calling `slug()`.

Solution:
Detect `scheme://` from the raw input before `normalize()` and
replace it with a `=uri-<scheme>-` prefix.
This commit is contained in:
Willaaaaaaa
2026-08-17 01:29:34 +08:00
committed by GitHub
parent aaf57a053d
commit e0e2f978a0
3 changed files with 17 additions and 3 deletions
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14
runtime/lua/vim/fs.lua
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@@ -154,6 +154,7 @@ end
--- - A hash of the normalized input is appended to prevent collisions.
--- - Unsafe chars are replaced with "-".
--- - `$HOME` is replaced with "~".
--- - URIs (`scheme://...`) are prefixed with "=uri-{scheme}-".
--- - UNC paths (Windows) are prefixed with "=unc-".
--- - If `opts.maxlen` is exceeded, the result will be truncated to `{head}~~~{tail}-{hash8}`.
--- - If the sanitized name is empty, the reserved label `=special` will be used.
@@ -165,6 +166,7 @@ end
--- vim.print(vim.fs.slug('C:/src/project/main.c')) --> "C--src-project-main.c-{hash}"
--- vim.print(vim.fs.slug(vim.fn.expand('~/file.txt'))) --> "~-file.txt-{hash}"
--- vim.print(vim.fs.slug('---')) --> "=special-{hash}"
--- vim.print(vim.fs.slug('term://foo/bar//123:bash')) --> "=uri-term-foo-bar-123-bash-{hash}"
--- vim.print(vim.fs.slug(('/a/very/long/path'):rep(10) .. '/file.txt', { maxlen = 60 }))
--- --> "a-very-long-~~~-path-a-very-long-path-file.txt-{hash}"
--- ```
@@ -182,13 +184,19 @@ function M.slug(path, opts)
end, true, '`opts.maxlen` must be >= 8')
local maxlen = opts.maxlen or 180
-- Capture URI scheme before normalize() collapses "://" to ":/" (which looks like "C:/")
local uri_scheme = path:match('^([a-zA-Z][a-zA-Z0-9.+-]*)://') ---@type string?
-- Normalize before computing the hash so equivalent paths produce the same result
path = vim.fs.normalize(path, { plain = true })
local s = path
-- Replace $HOME with `~`
-- `fnamemodify` resolves relative paths against CWD, so only call it on absolute paths
if vim.startswith(s, '/') or (iswin and s:match('^%w:/')) then
if uri_scheme then
-- Replace scheme prefix with "=uri-{scheme}-"
s = '=uri-' .. uri_scheme .. '-' .. s:sub(#uri_scheme + 3) -- `+ 3` skips`:/`
elseif vim.startswith(s, '/') or (iswin and s:match('^%w:/')) then
-- Replace $HOME with `~`
-- `fnamemodify` resolves relative paths against CWD, so only call it on absolute paths
s = vim.fn.fnamemodify(s, ':~')
end