lazy.nvim/lua/lazy/manage/git.lua

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local Util = require("lazy.util")
local Semver = require("lazy.manage.semver")
local M = {}
---@alias GitInfo {branch?:string, commit?:string, tag?:string, version?:Semver}
---@param details? boolean
---@return GitInfo?
function M.info(repo, details)
local line = Util.head(repo .. "/.git/HEAD")
if line then
---@type string, string
local ref, branch = line:match("ref: (refs/heads/(.*))")
local ret = ref and {
branch = branch,
commit = Util.head(repo .. "/.git/" .. ref),
} or { commit = line }
if details then
Util.ls(repo .. "/.git/refs/tags", function(_, name)
if M.ref(repo, "tags/" .. name) == ret.commit then
ret.tag = name
ret.version = Semver.version(name)
return false
end
end)
end
return ret
end
end
---@class TaggedSemver: Semver
---@field tag string
---@param spec? string
function M.get_versions(repo, spec)
local range = Semver.range(spec or "*")
---@type TaggedSemver[]
local versions = {}
Util.ls(repo .. "/.git/refs/tags", function(_, name)
local v = Semver.version(name)
---@cast v TaggedSemver
if v and range:matches(v) then
v.tag = name
table.insert(versions, v)
end
end)
return versions
end
---@param plugin LazyPlugin
---@return {branch:string, commit?:string}?
function M.get_branch(plugin)
if plugin.branch then
return {
branch = plugin.branch,
commit = M.ref(plugin.dir, "heads/" .. plugin.branch),
}
else
local main = M.ref(plugin.dir, "remotes/origin/HEAD")
if main then
local branch = main:match("ref: refs/remotes/origin/(.*)")
if branch then
return {
branch = branch,
commit = M.ref(plugin.dir, "heads/" .. branch),
}
end
end
end
end
---@param plugin LazyPlugin
---@return GitInfo?
function M.get_target(plugin)
local branch = M.get_branch(plugin)
if plugin.commit then
return {
branch = branch and branch.branch,
commit = plugin.commit,
}
end
if plugin.tag then
return {
branch = branch and branch.branch,
tag = plugin.tag,
commit = M.ref(plugin.dir, "tags/" .. plugin.tag),
}
end
if plugin.version then
local last = Semver.last(M.get_versions(plugin.dir, plugin.version))
if last then
return {
branch = branch and branch.branch,
version = last,
tag = last.tag,
commit = M.ref(plugin.dir, "tags/" .. last.tag),
}
end
end
---@diagnostic disable-next-line: return-type-mismatch
return branch
end
function M.ref(repo, ref)
return Util.head(repo .. "/.git/refs/" .. ref)
end
return M