62 lines
1.5 KiB
Lua
62 lines
1.5 KiB
Lua
---@class ow.Git.Revision
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---@field stage 0|1|2|3?
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---@field path string?
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---@field base string?
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local Revision = {}
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Revision.__index = Revision
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local URI_PREFIX = "git://"
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---@return string
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function Revision:format()
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if self.stage then
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return ":" .. self.stage .. ":" .. self.path
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elseif self.path then
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return self.base .. ":" .. self.path
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end
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return self.base or error("Revision:format: empty Revision")
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end
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---@return string
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function Revision:uri()
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return URI_PREFIX .. self:format()
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end
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---@param parts { stage?: integer, base?: string, path?: string }
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---@return ow.Git.Revision
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function Revision.new(parts)
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return setmetatable(parts, Revision)
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end
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---@param str string
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---@return ow.Git.Revision
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function Revision.parse(str)
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local stage, path = str:match("^:([0123]):(.+)$")
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if stage then
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return Revision.new({
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stage = tonumber(stage) --[[@as (0|1|2|3)?]],
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path = path,
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})
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end
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path = str:match("^:([^:]+)$")
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if path then
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return Revision.new({ stage = 0, path = path })
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end
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local base, p = str:match("^([^:]+):(.+)$")
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if base then
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return Revision.new({ base = base, path = p })
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end
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return Revision.new({ base = str })
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end
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---@param str string
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---@return ow.Git.Revision?
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function Revision.from_uri(str)
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local raw = str:match("^" .. URI_PREFIX .. "(.+)$")
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if raw then
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return Revision.parse(raw)
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end
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end
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return Revision
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